Mercurial > repos > blastem
comparison multi_game.c @ 1444:14a2834d010c
Save/restore mapper state in native save states
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 27 Aug 2017 18:15:00 -0700 |
parents | 11ac0b511cff |
children | adb62000d296 |
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1443:93c1b056ccdd | 1444:14a2834d010c |
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2 | 2 |
3 void *write_multi_game_b(uint32_t address, void *vcontext, uint8_t value) | 3 void *write_multi_game_b(uint32_t address, void *vcontext, uint8_t value) |
4 { | 4 { |
5 m68k_context *context = vcontext; | 5 m68k_context *context = vcontext; |
6 genesis_context *gen = context->system; | 6 genesis_context *gen = context->system; |
7 gen->bank_regs[0] = address; | |
7 uint32_t base = (address & 0x3F) << 16, start = 0, end = 0x400000; | 8 uint32_t base = (address & 0x3F) << 16, start = 0, end = 0x400000; |
8 //find the memmap chunk, so we can properly mask the base value | 9 //find the memmap chunk, so we can properly mask the base value |
9 for (int i = 0; i < context->options->gen.memmap_chunks; i++) | 10 for (int i = 0; i < context->options->gen.memmap_chunks; i++) |
10 { | 11 { |
11 if (context->options->gen.memmap[i].flags & MMAP_PTR_IDX) { | 12 if (context->options->gen.memmap[i].flags & MMAP_PTR_IDX) { |
22 | 23 |
23 void *write_multi_game_w(uint32_t address, void *context, uint16_t value) | 24 void *write_multi_game_w(uint32_t address, void *context, uint16_t value) |
24 { | 25 { |
25 return write_multi_game_b(address, context, value); | 26 return write_multi_game_b(address, context, value); |
26 } | 27 } |
28 | |
29 void multi_game_serialize(genesis_context *gen, serialize_buffer *buf) | |
30 { | |
31 save_int8(buf, gen->bank_regs[0]); | |
32 } | |
33 | |
34 void multi_game_deserialize(deserialize_buffer *buf, genesis_context *gen) | |
35 { | |
36 write_multi_game_b(load_int8(buf), gen, 0); | |
37 } |