Mercurial > repos > blastem
annotate sms.c @ 1536:982c5327dfcc nuklear_ui
Fix memory leak in edge case of font_win
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Sun, 25 Mar 2018 10:29:40 -0700 |
parents | 8464a3f09b94 |
children | ce1f93be0104 |
rev | line source |
---|---|
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
1 #include <string.h> |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
2 #include <stdlib.h> |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
3 #include <stddef.h> |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
4 #include "sms.h" |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
5 #include "blastem.h" |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
6 #include "render.h" |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
7 #include "util.h" |
1129
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
8 #include "debug.h" |
1478
da1dce39e846
Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI
Michael Pavone <pavone@retrodev.com>
parents:
1433
diff
changeset
|
9 #include "saves.h" |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
10 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
11 static void *memory_io_write(uint32_t location, void *vcontext, uint8_t value) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
12 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
13 z80_context *z80 = vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
14 sms_context *sms = z80->system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
15 if (location & 1) { |
1154
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
16 uint8_t fuzzy_ctrl_0 = sms->io.ports[0].control, fuzzy_ctrl_1 = sms->io.ports[1].control; |
1379
65f1d6558e9e
Update SMS code for changes supporting slow rise time emulation in IO code
Michael Pavone <pavone@retrodev.com>
parents:
1377
diff
changeset
|
17 io_control_write(sms->io.ports, (~value) << 5 & 0x60, z80->current_cycle); |
1154
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
18 fuzzy_ctrl_0 |= sms->io.ports[0].control; |
1379
65f1d6558e9e
Update SMS code for changes supporting slow rise time emulation in IO code
Michael Pavone <pavone@retrodev.com>
parents:
1377
diff
changeset
|
19 io_control_write(sms->io.ports+1, (~value) << 3 & 0x60, z80->current_cycle); |
1154
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
20 fuzzy_ctrl_1 |= sms->io.ports[1].control; |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
21 if ( |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
22 (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[0].output ^ (value << 1)) & (value << 1)) |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
23 || (fuzzy_ctrl_0 & 0x40 & (sms->io.ports[1].output ^ (value >> 1)) & (value >> 1)) |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
24 ) { |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
25 //TH is an output and it went from 0 -> 1 |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
26 vdp_run_context(sms->vdp, z80->current_cycle); |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
27 vdp_latch_hv(sms->vdp); |
c83ec07ddbac
Implemented Mode 4 H conter latching
Michael Pavone <pavone@retrodev.com>
parents:
1149
diff
changeset
|
28 } |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
29 io_data_write(sms->io.ports, value << 1, z80->current_cycle); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
30 io_data_write(sms->io.ports + 1, value >> 1, z80->current_cycle); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
31 } else { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
32 //TODO: memory control write |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
33 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
34 return vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
35 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
36 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
37 static uint8_t hv_read(uint32_t location, void *vcontext) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
38 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
39 z80_context *z80 = vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
40 sms_context *sms = z80->system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
41 vdp_run_context(sms->vdp, z80->current_cycle); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
42 uint16_t hv = vdp_hv_counter_read(sms->vdp); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
43 if (location & 1) { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
44 return hv; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
45 } else { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
46 return hv >> 8; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
47 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
48 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
49 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
50 static void *sms_psg_write(uint32_t location, void *vcontext, uint8_t value) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
51 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
52 z80_context *z80 = vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
53 sms_context *sms = z80->system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
54 psg_run(sms->psg, z80->current_cycle); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
55 psg_write(sms->psg, value); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
56 return vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
57 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
58 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
59 static void update_interrupts(sms_context *sms) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
60 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
61 uint32_t vint = vdp_next_vint(sms->vdp); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
62 uint32_t hint = vdp_next_hint(sms->vdp); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
63 sms->z80->int_pulse_start = vint < hint ? vint : hint; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
64 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
65 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
66 static uint8_t vdp_read(uint32_t location, void *vcontext) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
67 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
68 z80_context *z80 = vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
69 sms_context *sms = z80->system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
70 vdp_run_context(sms->vdp, z80->current_cycle); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
71 if (location & 1) { |
1126
63cd87d910cc
Clear interrupt status flags after getting the status register value rather than before
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
72 uint8_t ret = vdp_control_port_read(sms->vdp); |
1119
55ea7f9a4e92
Fix clearing of interrupt pending flags on control port read in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1117
diff
changeset
|
73 sms->vdp->flags2 &= ~(FLAG2_VINT_PENDING|FLAG2_HINT_PENDING); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
74 update_interrupts(sms); |
1126
63cd87d910cc
Clear interrupt status flags after getting the status register value rather than before
Michael Pavone <pavone@retrodev.com>
parents:
1120
diff
changeset
|
75 return ret; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
76 } else { |
1149
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
77 return vdp_data_port_read_pbc(sms->vdp); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
78 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
79 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
80 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
81 static void *vdp_write(uint32_t location, void *vcontext, uint8_t value) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
82 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
83 z80_context *z80 = vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
84 sms_context *sms = z80->system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
85 if (location & 1) { |
1371
5b20840711c1
Remove HINT_FUDGE and make a small adjustment to how VDP syncs with rest of system instead. Worse results on CRAM dot issue, but much less of a hack
Michael Pavone <pavone@retrodev.com>
parents:
1326
diff
changeset
|
86 vdp_run_context_full(sms->vdp, z80->current_cycle); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
87 vdp_control_port_write_pbc(sms->vdp, value); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
88 update_interrupts(sms); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
89 } else { |
1371
5b20840711c1
Remove HINT_FUDGE and make a small adjustment to how VDP syncs with rest of system instead. Worse results on CRAM dot issue, but much less of a hack
Michael Pavone <pavone@retrodev.com>
parents:
1326
diff
changeset
|
90 vdp_run_context(sms->vdp, z80->current_cycle); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
91 vdp_data_port_write_pbc(sms->vdp, value); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
92 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
93 return vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
94 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
95 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
96 static uint8_t io_read(uint32_t location, void *vcontext) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
97 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
98 z80_context *z80 = vcontext; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
99 sms_context *sms = z80->system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
100 if (location == 0xC0 || location == 0xDC) { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
101 uint8_t port_a = io_data_read(sms->io.ports, z80->current_cycle); |
1148
80ef49539550
Fix reading from second controller port in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1143
diff
changeset
|
102 uint8_t port_b = io_data_read(sms->io.ports+1, z80->current_cycle); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
103 return (port_a & 0x3F) | (port_b << 6); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
104 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
105 if (location == 0xC1 || location == 0xDD) { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
106 uint8_t port_a = io_data_read(sms->io.ports, z80->current_cycle); |
1148
80ef49539550
Fix reading from second controller port in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1143
diff
changeset
|
107 uint8_t port_b = io_data_read(sms->io.ports+1, z80->current_cycle); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
108 return (port_a & 0x40) | (port_b >> 2 & 0xF) | (port_b << 1 & 0x80) | 0x10; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
109 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
110 return 0xFF; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
111 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
112 |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
113 static void update_mem_map(uint32_t location, sms_context *sms, uint8_t value) |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
114 { |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
115 z80_context *z80 = sms->z80; |
1142
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
116 void *old_value; |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
117 if (location) { |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
118 uint32_t idx = location - 1; |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
119 old_value = z80->mem_pointers[idx]; |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
120 z80->mem_pointers[idx] = sms->rom + (value << 14 & (sms->rom_size-1)); |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
121 if (old_value != z80->mem_pointers[idx]) { |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
122 //invalidate any code we translated for the relevant bank |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
123 z80_invalidate_code_range(z80, idx ? idx * 0x4000 : 0x400, idx * 0x4000 + 0x4000); |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
124 } |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
125 } else { |
1149
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
126 old_value = z80->mem_pointers[2]; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
127 if (value & 8) { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
128 //cartridge RAM is enabled |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
129 z80->mem_pointers[2] = sms->cart_ram + (value & 4 ? (SMS_CART_RAM_SIZE/2) : 0); |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
130 } else { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
131 //cartridge RAM is disabled |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
132 z80->mem_pointers[2] = sms->rom + (sms->bank_regs[3] << 14 & (sms->rom_size-1)); |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
133 } |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
134 if (old_value != z80->mem_pointers[2]) { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
135 //invalidate any code we translated for the relevant bank |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
136 z80_invalidate_code_range(z80, 0x8000, 0xC000); |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
137 } |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
138 } |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
139 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
140 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
141 static void *mapper_write(uint32_t location, void *vcontext, uint8_t value) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
142 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
143 z80_context *z80 = vcontext; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
144 sms_context *sms = z80->system; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
145 location &= 3; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
146 sms->ram[0x1FFC + location] = value; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
147 sms->bank_regs[location] = value; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
148 update_mem_map(location, sms, value); |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
149 return vcontext; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
150 } |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
151 |
1149
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
152 static void *cart_ram_write(uint32_t location, void *vcontext, uint8_t value) |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
153 { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
154 z80_context *z80 = vcontext; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
155 sms_context *sms = z80->system; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
156 if (sms->bank_regs[0] & 8) { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
157 //cartridge RAM is enabled |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
158 location &= 0x3FFF; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
159 z80->mem_pointers[2][location] = value; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
160 z80_handle_code_write(0x8000 + location, z80); |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
161 } |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
162 return vcontext; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
163 } |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
164 |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
165 uint8_t debug_commands(system_header *system, char *input_buf) |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
166 { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
167 sms_context *sms = (sms_context *)system; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
168 switch(input_buf[0]) |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
169 { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
170 case 'v': |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
171 if (input_buf[1] == 'r') { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
172 vdp_print_reg_explain(sms->vdp); |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
173 } else if (input_buf[1] == 's') { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
174 vdp_print_sprite_table(sms->vdp); |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
175 } else { |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
176 return 0; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
177 } |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
178 break; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
179 } |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
180 return 1; |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
181 } |
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
182 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
183 static memmap_chunk io_map[] = { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
184 {0x00, 0x40, 0xFF, 0, 0, 0, NULL, NULL, NULL, NULL, memory_io_write}, |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
185 {0x40, 0x80, 0xFF, 0, 0, 0, NULL, NULL, NULL, hv_read, sms_psg_write}, |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
186 {0x80, 0xC0, 0xFF, 0, 0, 0, NULL, NULL, NULL, vdp_read, vdp_write}, |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
187 {0xC0, 0x100,0xFF, 0, 0, 0, NULL, NULL, NULL, io_read, NULL} |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
188 }; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
189 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
190 static void set_speed_percent(system_header * system, uint32_t percent) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
191 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
192 sms_context *context = (sms_context *)system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
193 uint32_t old_clock = context->master_clock; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
194 context->master_clock = ((uint64_t)context->normal_clock * (uint64_t)percent) / 100; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
195 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
196 psg_adjust_master_clock(context->psg, context->master_clock); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
197 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
198 |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
199 void sms_serialize(sms_context *sms, serialize_buffer *buf) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
200 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
201 start_section(buf, SECTION_Z80); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
202 z80_serialize(sms->z80, buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
203 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
204 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
205 start_section(buf, SECTION_VDP); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
206 vdp_serialize(sms->vdp, buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
207 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
208 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
209 start_section(buf, SECTION_PSG); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
210 psg_serialize(sms->psg, buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
211 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
212 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
213 start_section(buf, SECTION_SEGA_IO_1); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
214 io_serialize(sms->io.ports, buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
215 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
216 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
217 start_section(buf, SECTION_SEGA_IO_2); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
218 io_serialize(sms->io.ports + 1, buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
219 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
220 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
221 start_section(buf, SECTION_MAIN_RAM); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
222 save_int8(buf, sizeof(sms->ram) / 1024); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
223 save_buffer8(buf, sms->ram, sizeof(sms->ram)); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
224 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
225 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
226 start_section(buf, SECTION_MAPPER); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
227 save_int8(buf, 1);//mapper type, 1 for Sega mapper |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
228 save_buffer8(buf, sms->bank_regs, sizeof(sms->bank_regs)); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
229 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
230 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
231 start_section(buf, SECTION_CART_RAM); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
232 save_int8(buf, SMS_CART_RAM_SIZE / 1024); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
233 save_buffer8(buf, sms->cart_ram, SMS_CART_RAM_SIZE); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
234 end_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
235 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
236 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
237 static void ram_deserialize(deserialize_buffer *buf, void *vsms) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
238 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
239 sms_context *sms = vsms; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
240 uint32_t ram_size = load_int8(buf) * 1024; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
241 if (ram_size > sizeof(sms->ram)) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
242 fatal_error("State has a RAM size of %d bytes", ram_size); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
243 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
244 load_buffer8(buf, sms->ram, ram_size); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
245 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
246 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
247 static void cart_ram_deserialize(deserialize_buffer *buf, void *vsms) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
248 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
249 sms_context *sms = vsms; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
250 uint32_t ram_size = load_int8(buf) * 1024; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
251 if (ram_size > SMS_CART_RAM_SIZE) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
252 fatal_error("State has a cart RAM size of %d bytes", ram_size); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
253 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
254 load_buffer8(buf, sms->cart_ram, ram_size); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
255 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
256 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
257 static void mapper_deserialize(deserialize_buffer *buf, void *vsms) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
258 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
259 sms_context *sms = vsms; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
260 uint8_t mapper_type = load_int8(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
261 if (mapper_type != 1) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
262 warning("State contains an unrecognized mapper type %d, it may be from a newer version of BlastEm\n", mapper_type); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
263 return; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
264 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
265 for (int i = 0; i < sizeof(sms->bank_regs); i++) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
266 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
267 sms->bank_regs[i] = load_int8(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
268 update_mem_map(i, sms, sms->bank_regs[i]); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
269 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
270 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
271 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
272 void sms_deserialize(deserialize_buffer *buf, sms_context *sms) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
273 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
274 register_section_handler(buf, (section_handler){.fun = z80_deserialize, .data = sms->z80}, SECTION_Z80); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
275 register_section_handler(buf, (section_handler){.fun = vdp_deserialize, .data = sms->vdp}, SECTION_VDP); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
276 register_section_handler(buf, (section_handler){.fun = psg_deserialize, .data = sms->psg}, SECTION_PSG); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
277 register_section_handler(buf, (section_handler){.fun = io_deserialize, .data = sms->io.ports}, SECTION_SEGA_IO_1); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
278 register_section_handler(buf, (section_handler){.fun = io_deserialize, .data = sms->io.ports + 1}, SECTION_SEGA_IO_2); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
279 register_section_handler(buf, (section_handler){.fun = ram_deserialize, .data = sms}, SECTION_MAIN_RAM); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
280 register_section_handler(buf, (section_handler){.fun = mapper_deserialize, .data = sms}, SECTION_MAPPER); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
281 register_section_handler(buf, (section_handler){.fun = cart_ram_deserialize, .data = sms}, SECTION_CART_RAM); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
282 //TODO: cart RAM |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
283 while (buf->cur_pos < buf->size) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
284 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
285 load_section(buf); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
286 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
287 z80_invalidate_code_range(sms->z80, 0xC000, 0x10000); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
288 if (sms->bank_regs[0] & 8) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
289 //cart RAM is enabled, invalidate the region in case there is any code there |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
290 z80_invalidate_code_range(sms->z80, 0x8000, 0xC000); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
291 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
292 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
293 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
294 static void save_state(sms_context *sms, uint8_t slot) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
295 { |
1478
da1dce39e846
Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI
Michael Pavone <pavone@retrodev.com>
parents:
1433
diff
changeset
|
296 char *save_path = get_slot_name(&sms->header, slot, "state"); |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
297 serialize_buffer state; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
298 init_serialize(&state); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
299 sms_serialize(sms, &state); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
300 save_to_file(&state, save_path); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
301 printf("Saved state to %s\n", save_path); |
1478
da1dce39e846
Refactored save slot related logic to reduce duplication and allow reuse in new UI. Get state loading/saving mostly working in new UI
Michael Pavone <pavone@retrodev.com>
parents:
1433
diff
changeset
|
302 free(save_path); |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
303 free(state.data); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
304 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
305 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
306 static uint8_t load_state_path(sms_context *sms, char *path) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
307 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
308 deserialize_buffer state; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
309 uint8_t ret; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
310 if ((ret = load_from_file(&state, path))) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
311 sms_deserialize(&state, sms); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
312 free(state.data); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
313 printf("Loaded %s\n", path); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
314 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
315 return ret; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
316 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
317 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
318 static uint8_t load_state(system_header *system, uint8_t slot) |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
319 { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
320 sms_context *sms = (sms_context *)system; |
1480
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
321 char *statepath = get_slot_name(system, slot, "state"); |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
322 uint8_t ret; |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
323 if (!sms->z80->native_pc) { |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
324 ret = get_modification_time(statepath) != 0; |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
325 if (ret) { |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
326 system->delayed_load_slot = slot + 1; |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
327 } |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
328 goto done; |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
329 |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
330 } |
1480
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
331 ret = load_state_path(sms, statepath); |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
332 done: |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
333 free(statepath); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
334 return ret; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
335 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
336 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
337 static void run_sms(system_header *system) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
338 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
339 render_disable_ym(); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
340 sms_context *sms = (sms_context *)system; |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
341 uint32_t target_cycle = sms->z80->current_cycle + 3420*16; |
1184
b1147418254a
Overscan is now configurable
Michael Pavone <pavone@retrodev.com>
parents:
1162
diff
changeset
|
342 //TODO: PAL support |
b1147418254a
Overscan is now configurable
Michael Pavone <pavone@retrodev.com>
parents:
1162
diff
changeset
|
343 render_set_video_standard(VID_NTSC); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
344 while (!sms->should_return) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
345 { |
1480
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
346 if (system->delayed_load_slot) { |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
347 load_state(system, system->delayed_load_slot - 1); |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
348 system->delayed_load_slot = 0; |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
349 |
8464a3f09b94
Get SMS savestates working in Nuklear UI
Michael Pavone <pavone@retrodev.com>
parents:
1478
diff
changeset
|
350 } |
1129
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
351 if (system->enter_debugger && sms->z80->pc) { |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
352 system->enter_debugger = 0; |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
353 zdebugger(sms->z80, sms->z80->pc); |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
354 } |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
355 if (sms->z80->nmi_start == CYCLE_NEVER) { |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
356 uint32_t nmi = vdp_next_nmi(sms->vdp); |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
357 if (nmi != CYCLE_NEVER) { |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
358 z80_assert_nmi(sms->z80, nmi); |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
359 } |
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
360 } |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
361 z80_run(sms->z80, target_cycle); |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
362 if (sms->z80->reset) { |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
363 z80_clear_reset(sms->z80, sms->z80->current_cycle + 128*15); |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
364 } |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
365 target_cycle = sms->z80->current_cycle; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
366 vdp_run_context(sms->vdp, target_cycle); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
367 psg_run(sms->psg, target_cycle); |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
368 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
369 if (system->save_state) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
370 while (!sms->z80->pc) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
371 //advance Z80 to an instruction boundary |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
372 z80_run(sms->z80, sms->z80->current_cycle + 1); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
373 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
374 save_state(sms, system->save_state - 1); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
375 system->save_state = 0; |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
376 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
377 |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
378 target_cycle += 3420*16; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
379 if (target_cycle > 0x10000000) { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
380 uint32_t adjust = sms->z80->current_cycle - 3420*262*2; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
381 io_adjust_cycles(sms->io.ports, sms->z80->current_cycle, adjust); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
382 io_adjust_cycles(sms->io.ports+1, sms->z80->current_cycle, adjust); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
383 z80_adjust_cycles(sms->z80, adjust); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
384 vdp_adjust_cycles(sms->vdp, adjust); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
385 sms->psg->cycles -= adjust; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
386 target_cycle -= adjust; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
387 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
388 } |
1401
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
389 vdp_release_framebuffer(sms->vdp); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
390 sms->should_return = 0; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
391 render_enable_ym(); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
392 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
393 |
1401
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
394 static void resume_sms(system_header *system) |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
395 { |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
396 sms_context *sms = (sms_context *)system; |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
397 vdp_reacquire_framebuffer(sms->vdp); |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
398 run_sms(system); |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
399 } |
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
400 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
401 static void start_sms(system_header *system, char *statefile) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
402 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
403 sms_context *sms = (sms_context *)system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
404 set_keybindings(&sms->io); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
405 |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
406 z80_assert_reset(sms->z80, 0); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
407 z80_clear_reset(sms->z80, 128*15); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
408 |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
409 if (statefile) { |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
410 load_state_path(sms, statefile); |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
411 } |
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
412 |
1129
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
413 if (system->enter_debugger) { |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
414 system->enter_debugger = 0; |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
415 zinsert_breakpoint(sms->z80, sms->z80->pc, (uint8_t *)zdebugger); |
1129
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
416 } |
6b5c92b6205c
Enabled Z80 debugger in PBC mode
Michael Pavone <pavone@retrodev.com>
parents:
1126
diff
changeset
|
417 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
418 run_sms(system); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
419 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
420 |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
421 static void soft_reset(system_header *system) |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
422 { |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
423 sms_context *sms = (sms_context *)system; |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
424 z80_assert_reset(sms->z80, sms->z80->current_cycle); |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
425 sms->z80->target_cycle = sms->z80->sync_cycle = sms->z80->current_cycle; |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
426 } |
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
427 |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
428 static void free_sms(system_header *system) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
429 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
430 sms_context *sms = (sms_context *)system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
431 vdp_free(sms->vdp); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
432 z80_options_free(sms->z80->options); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
433 free(sms->z80); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
434 psg_free(sms->psg); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
435 free(sms); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
436 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
437 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
438 static uint16_t get_open_bus_value(system_header *system) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
439 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
440 return 0xFFFF; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
441 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
442 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
443 static void request_exit(system_header *system) |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
444 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
445 sms_context *sms = (sms_context *)system; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
446 sms->should_return = 1; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
447 } |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
448 |
1120
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
449 static void inc_debug_mode(system_header *system) |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
450 { |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
451 sms_context *sms = (sms_context *)system; |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
452 sms->vdp->debug++; |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
453 if (sms->vdp->debug == 7) { |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
454 sms->vdp->debug = 0; |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
455 } |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
456 } |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
457 |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
458 static void inc_debug_pal(system_header *system) |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
459 { |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
460 sms_context *sms = (sms_context *)system; |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
461 sms->vdp->debug_pal++; |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
462 if (sms->vdp->debug_pal == 4) { |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
463 sms->vdp->debug_pal = 0; |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
464 } |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
465 } |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
466 |
1384
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
467 static void load_save(system_header *system) |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
468 { |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
469 //TODO: Implement me |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
470 } |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
471 |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
472 static void persist_save(system_header *system) |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
473 { |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
474 //TODO: Implement me |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
475 } |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
476 |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
477 sms_context *alloc_configure_sms(system_media *media, uint32_t opts, uint8_t force_region, rom_info *info_out) |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
478 { |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
479 memset(info_out, 0, sizeof(*info_out)); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
480 sms_context *sms = calloc(1, sizeof(sms_context)); |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
481 uint32_t rom_size = nearest_pow2(media->size); |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
482 memmap_chunk memory_map[6]; |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
483 if (media->size > 0xC000) { |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
484 info_out->map_chunks = 6; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
485 uint8_t *ram_reg_overlap = sms->ram + sizeof(sms->ram) - 4; |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
486 memory_map[0] = (memmap_chunk){0x0000, 0x0400, 0xFFFF, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL}; |
1142
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
487 memory_map[1] = (memmap_chunk){0x0400, 0x4000, 0xFFFF, 0, 0, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, NULL}; |
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
488 memory_map[2] = (memmap_chunk){0x4000, 0x8000, 0x3FFF, 0, 1, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, NULL}; |
1149
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
489 memory_map[3] = (memmap_chunk){0x8000, 0xC000, 0x3FFF, 0, 2, MMAP_READ|MMAP_PTR_IDX|MMAP_CODE, NULL, NULL, NULL, NULL, cart_ram_write}; |
1142
5c8b1c33ca10
Invalidate translated code on a cartridge bank change in SMS mode. Fix handling of bank 0
Michael Pavone <pavone@retrodev.com>
parents:
1141
diff
changeset
|
490 memory_map[4] = (memmap_chunk){0xC000, 0xFFFC, sizeof(sms->ram)-1, 0, 0, MMAP_READ|MMAP_WRITE|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL}; |
1162
c4ea535cf57e
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Michael Pavone <pavone@retrodev.com>
parents:
1154
diff
changeset
|
491 memory_map[5] = (memmap_chunk){0xFFFC, 0x10000, 0x0003, 0, 0, MMAP_READ, ram_reg_overlap, NULL, NULL, NULL, mapper_write}; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
492 } else { |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
493 info_out->map_chunks = 2; |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
494 memory_map[0] = (memmap_chunk){0x0000, 0xC000, rom_size-1, 0, 0, MMAP_READ, media->buffer, NULL, NULL, NULL, NULL}; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
495 memory_map[1] = (memmap_chunk){0xC000, 0x10000, sizeof(sms->ram)-1, 0, 0, MMAP_READ|MMAP_WRITE|MMAP_CODE, sms->ram, NULL, NULL, NULL, NULL}; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
496 }; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
497 info_out->map = malloc(sizeof(memmap_chunk) * info_out->map_chunks); |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
498 memcpy(info_out->map, memory_map, sizeof(memmap_chunk) * info_out->map_chunks); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
499 z80_options *zopts = malloc(sizeof(z80_options)); |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
500 init_z80_opts(zopts, info_out->map, info_out->map_chunks, io_map, 4, 15, 0xFF); |
1130
8f14767661fa
Remove memory map assumptions from Z80 core and move a little bit of logic to the generic backend.c so it can be shared between CPU cores
Michael Pavone <pavone@retrodev.com>
parents:
1129
diff
changeset
|
501 sms->z80 = init_z80_context(zopts); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
502 sms->z80->system = sms; |
1149
6b0da6021544
Don't lock up CPU if performing a read with writes configured when in PBC mode. Allow access to VDP debug commands from Z80 debugger in PBC mode. Handle Mode 4 in VDP debug print functions
Michael Pavone <pavone@retrodev.com>
parents:
1148
diff
changeset
|
503 sms->z80->options->gen.debug_cmd_handler = debug_commands; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
504 |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
505 sms->rom = media->buffer; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
506 sms->rom_size = rom_size; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
507 if (info_out->map_chunks > 2) { |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
508 sms->z80->mem_pointers[0] = sms->rom; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
509 sms->z80->mem_pointers[1] = sms->rom + 0x4000; |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
510 sms->z80->mem_pointers[2] = sms->rom + 0x8000; |
1162
c4ea535cf57e
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Michael Pavone <pavone@retrodev.com>
parents:
1154
diff
changeset
|
511 sms->bank_regs[1] = 0; |
c4ea535cf57e
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Michael Pavone <pavone@retrodev.com>
parents:
1154
diff
changeset
|
512 sms->bank_regs[2] = 0x4000 >> 14; |
c4ea535cf57e
Forgot that the expansion to 32-bit values for 16-bit addresses is not done when calling a C function to handle a memory operation. Mask on location in mapper_write was needed afterall
Michael Pavone <pavone@retrodev.com>
parents:
1154
diff
changeset
|
513 sms->bank_regs[3] = 0x8000 >> 14; |
1141
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
514 } |
7e199bebde2f
Initial support for Sega's family of SMS mappers
Michael Pavone <pavone@retrodev.com>
parents:
1130
diff
changeset
|
515 |
1326
071e761bcdcf
Fix a deficiency in the way types were handled in my ternary tree. Fixes in which some paths that were constructed from a template with variables would sometimes get an extra garbage character thrown in
Michael Pavone <pavone@retrodev.com>
parents:
1209
diff
changeset
|
516 char * lowpass_cutoff_str = tern_find_path(config, "audio\0lowpass_cutoff\0", TVAL_PTR).ptrval; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
517 uint32_t lowpass_cutoff = lowpass_cutoff_str ? atoi(lowpass_cutoff_str) : 3390; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
518 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
519 //TODO: Detect region and pick master clock based off of that |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
520 sms->normal_clock = sms->master_clock = 53693175; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
521 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
522 sms->psg = malloc(sizeof(psg_context)); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
523 psg_init(sms->psg, render_sample_rate(), sms->master_clock, 15*16, render_audio_buffer(), lowpass_cutoff); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
524 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
525 sms->vdp = malloc(sizeof(vdp_context)); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
526 init_vdp_context(sms->vdp, 0); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
527 sms->vdp->system = &sms->header; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
528 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
529 info_out->save_type = SAVE_NONE; |
1201
aee2177a1630
Use filename for game title in SMS mode
Michael Pavone <pavone@retrodev.com>
parents:
1184
diff
changeset
|
530 info_out->name = strdup(media->name); |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
531 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
532 setup_io_devices(config, info_out, &sms->io); |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
533 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
534 sms->header.set_speed_percent = set_speed_percent; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
535 sms->header.start_context = start_sms; |
1401
b56c8c51ca5d
Properly release and reacquire framebuffer pointer when switching contexts. Hopefully fixes the LOCKRECT issue some people are seeing with the SDL 2 fallback renderer
Michael Pavone <pavone@retrodev.com>
parents:
1384
diff
changeset
|
536 sms->header.resume_context = resume_sms; |
1384
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
537 sms->header.load_save = load_save; |
1df16f5985f3
Added stub load_save and persist_save functions to SMS system so that we don't crash when switching games via the menu
Michael Pavone <pavone@retrodev.com>
parents:
1379
diff
changeset
|
538 sms->header.persist_save = persist_save; |
1433
c886c54d8cf1
Added save states to SMS emulation
Michael Pavone <pavone@retrodev.com>
parents:
1401
diff
changeset
|
539 sms->header.load_state = load_state; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
540 sms->header.free_context = free_sms; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
541 sms->header.get_open_bus_value = get_open_bus_value; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
542 sms->header.request_exit = request_exit; |
1209
5ee6b6345ea9
Implement SMS hardware soft reset (note only available on real hardware on the Genesis in PBC mode)
Michael Pavone <pavone@retrodev.com>
parents:
1201
diff
changeset
|
543 sms->header.soft_reset = soft_reset; |
1120
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
544 sms->header.inc_debug_mode = inc_debug_mode; |
e9369d6f0101
Somewhat broken implementation of Mode 4
Michael Pavone <pavone@retrodev.com>
parents:
1119
diff
changeset
|
545 sms->header.inc_debug_pal = inc_debug_pal; |
1377
e587f16e7d3d
Implemented SMS pause button
Michael Pavone <pavone@retrodev.com>
parents:
1371
diff
changeset
|
546 sms->header.type = SYSTEM_SMS; |
1117
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
547 |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
548 return sms; |
928a65750345
Initial support for Genesis/Megadrive PBC mode. VDP still needs Mode 4 to be useful.
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
549 } |