Mercurial > repos > blastem
annotate menu.s68 @ 922:913a6336ce20
Shift slot number to slot behavior mapping by six slots in H40 mode. This makes the line change slot align with the point at which the display turns on and off at the end of the active display area. Also fixed a regression in which an external slot got accidentally changed into a sprite draw slot
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Thu, 28 Jan 2016 09:10:14 -0800 |
parents | f057975212e9 |
children | a3b08915624b |
rev | line source |
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789
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1 dc.l $0, start |
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2 dc.l empty_handler |
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3 dc.l empty_handler |
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4 ;$10 |
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5 dc.l empty_handler |
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6 dc.l empty_handler |
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7 dc.l empty_handler |
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8 dc.l empty_handler |
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9 ;$20 |
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10 dc.l empty_handler |
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11 dc.l empty_handler |
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12 dc.l empty_handler |
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13 dc.l empty_handler |
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14 ;$30 |
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15 dc.l empty_handler |
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16 dc.l empty_handler |
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17 dc.l empty_handler |
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18 dc.l empty_handler |
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19 ;$40 |
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20 dc.l empty_handler |
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21 dc.l empty_handler |
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22 dc.l empty_handler |
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23 dc.l empty_handler |
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24 ;$50 |
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25 dc.l empty_handler |
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26 dc.l empty_handler |
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27 dc.l empty_handler |
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28 dc.l empty_handler |
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29 ;$60 |
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30 dc.l empty_handler |
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31 dc.l empty_handler |
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32 dc.l empty_handler |
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33 dc.l empty_handler |
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34 ;$70 |
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35 dc.l int_4 |
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36 dc.l empty_handler |
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37 dc.l int_6 |
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38 dc.l empty_handler |
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39 ;$80 |
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40 dc.l empty_handler |
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41 dc.l empty_handler |
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42 dc.l empty_handler |
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43 dc.l empty_handler |
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44 ;$90 |
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45 dc.l empty_handler |
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46 dc.l empty_handler |
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47 dc.l empty_handler |
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48 dc.l empty_handler |
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49 ;$A0 |
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50 dc.l empty_handler |
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51 dc.l empty_handler |
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52 dc.l empty_handler |
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53 dc.l empty_handler |
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54 ;$B0 |
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55 dc.l empty_handler |
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56 dc.l empty_handler |
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57 dc.l empty_handler |
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58 dc.l empty_handler |
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59 ;$C0 |
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60 dc.l empty_handler |
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61 dc.l empty_handler |
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62 dc.l empty_handler |
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63 dc.l empty_handler |
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64 ;$D0 |
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65 dc.l empty_handler |
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66 dc.l empty_handler |
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67 dc.l empty_handler |
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68 dc.l empty_handler |
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69 ;$E0 |
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70 dc.l empty_handler |
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71 dc.l empty_handler |
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72 dc.l empty_handler |
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73 dc.l empty_handler |
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74 ;$F0 |
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75 dc.l empty_handler |
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76 dc.l empty_handler |
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77 dc.l empty_handler |
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78 dc.l empty_handler |
790
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79 dc.b "SEGA GENESIS " |
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80 dc.b "(c) 2015.JULY " |
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81 dc.b "Menu " |
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82 dc.b " " |
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83 dc.b " " |
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84 dc.b "Menu " |
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85 dc.b " " |
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86 dc.b " " |
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Menu ROM now pulls real file names from the OS rather than using a fake list
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87 dc.b "MP BlstMenu-00", 0, 0 |
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88 dc.b " " |
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89 dc.l $0, rom_end-1, $FF0000, $FFFFFF |
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90 dc.b " " |
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91 dc.b " " |
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92 dc.b " " |
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93 dc.b " " |
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94 dc.b "JUE " |
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95 |
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96 ;register addresses |
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97 VDP_DATA equ $C00000 |
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98 VDP_CTRL equ $C00004 |
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99 VDP_HV equ $C00008 |
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100 Z80_RAM equ $A00000 |
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101 IO_AREA equ $A10000 |
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102 PAD1_DATA equ (IO_AREA + 3) |
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103 PAD2_DATA equ (IO_AREA + 5) |
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104 EXT_DATA equ (IO_AREA + 7) |
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105 PAD1_CTRL equ (IO_AREA + 9) |
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106 PAD2_CTRL equ (IO_AREA + 11) |
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107 EXT_CTRL equ (IO_AREA + 13) |
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108 |
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109 MODE_1 equ 0 |
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110 MODE_2 equ 1 |
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111 SCROLL_A equ 2 |
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112 WINDOW equ 3 |
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113 SCROLL_B equ 4 |
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114 SAT equ 5 |
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115 BG_COLOR equ 7 |
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116 HINT equ $A |
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117 MODE_3 equ $B |
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118 MODE_4 equ $C |
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119 HSCROLL equ $D |
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120 AUTOINC equ $F |
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121 SCROLL EQU $10 |
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122 WINDOW_H equ $11 |
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123 WINDOW_V equ $12 |
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124 DMALEN_L equ $13 |
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125 DMALEN_H equ $14 |
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126 DMASRC_L equ $15 |
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127 DMASRC_M equ $16 |
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128 DMASRC_H equ $17 |
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129 |
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130 VDP_VRAM_WRITE equ $40000000 |
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131 VDP_CRAM_WRITE equ $C0000000 |
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132 VDP_VSRAM_WRITE equ $40000010 |
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133 VDP_DMA_FLAG equ $80 |
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|
134 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
135 vdpregset macro |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
136 move.w #(((\1) << 8) | $8000 | (\2)), (a1) |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
137 endm |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
138 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
139 vdpreg macro |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
140 dc.w (((\1) << 8) | $8000 | (\2)) |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
141 endm |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
142 |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
143 ;Writes a normal VDP command to the control port |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
144 ;\1 - VDP address |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
145 ;\2 - Access type |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
146 vdpaccess macro |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
147 move.l #((\2) | (\1) << 16 & $3FFF0000 | (\1) >> 14 & 3), (a1) |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
148 endm |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
149 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
150 ;Writes a DMA command to the control port |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
151 ;\1 - Destination address |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
152 ;\2 - Destination type |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
153 startdma macro |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
154 move.l #(\2 | VDP_DMA_FLAG | (\1 << 16) & $3FFF0000 | (\1 >> 14) & 3), (a1) |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
155 endm |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
156 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
157 DMA_SRC_68K equ 0 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
158 DMA_SRC_VRAM equ $C0 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
159 DMA_SRC_FILL equ $80 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
160 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
161 dmasrc macro |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
162 move.l #($95009600 + (\1) << 15 & $FF0000 + (\1) >> 9 & $FF), (a1) |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
163 move.w #($9700 + (\1) >> 17 & $7F | (\2)), (a1) |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
164 endm |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
165 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
166 dir_buffer equ $100000 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
167 menu_port equ $180000 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
168 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
169 MAX_DISPLAY equ 24 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
170 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
171 rsset $FFFF8000 |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
172 x_pos rs.w 1 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
173 base_cmd rs.l 1 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
174 sprite_list rs.l 160 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
175 page_index rs.l MAX_DISPLAY+1 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
176 page_stack rs.l 1 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
177 page_pointers rs.l 1024 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
178 mouse_sprite rs.l 1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
179 mouse_x rs.w 1 |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
180 num_sprites rs.b 1 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
181 last_pad1 rs.b 1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
182 last_pad2 rs.b 1 |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
183 selected rs.b 1 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
184 more_pages rs.b 1 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
185 mouse_buf rs.b 3 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
186 mouse_shown rs.b 1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
187 last_mbuttons rs.b 1 |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
188 |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
189 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
190 int_6: |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
191 dmasrc sprite_list, DMA_SRC_68K |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
192 ;set DMA length |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
193 move.l #$94009300, d0 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
194 moveq #0, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
195 move.b num_sprites.w, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
196 add.w d1, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
197 add.w d1, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
198 move.b d1, d0 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
199 swap d0 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
200 lsr.w #8, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
201 move.b d1, d0 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
202 move.l d0, (a1) |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
203 startdma $C000, VDP_VRAM_WRITE |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
204 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
205 ;read gamepad/mouse in port 1 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
206 lea PAD1_DATA, a2 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
207 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
208 bsr io_read |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
209 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
210 cmp.b #3, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
211 beq .mouse |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
212 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
213 move.b last_pad1.w, d1 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
214 eor.b d0, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
215 and.b d0, d1 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
216 move.b d0, last_pad1.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
217 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
218 bsr handle_pad_buttons |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
219 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
220 bra pad2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
221 .mouse |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
222 bsr handle_mouse |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
223 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
224 pad2: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
225 ;read gamepad/mouse in port 2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
226 lea PAD2_DATA, a2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
227 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
228 bsr io_read |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
229 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
230 cmp.b #3, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
231 beq .mouse |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
232 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
233 move.b last_pad2.w, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
234 eor.b d0, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
235 and.b d0, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
236 move.b d0, last_pad2.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
237 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
238 bsr handle_pad_buttons |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
239 rte |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
240 .mouse |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
241 bsr handle_mouse |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
242 rte |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
243 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
244 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
245 ;d0 = SACBRLUD |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
246 ;d1 = newly pressed buttons |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
247 handle_pad_buttons: |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
248 moveq #16, d2 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
249 btst #1, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
250 bne down |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
251 btst #0, d1 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
252 bne up |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
253 btst #3, d1 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
254 bne right |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
255 btst #2, d1 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
256 bne left |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
257 btst #7, d1 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
258 bne select_entry |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
259 btst #5, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
260 bne select_entry |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
261 handle_done: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
262 rts |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
263 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
264 down: |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
265 ;check if we are already at the bottom of the page |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
266 moveq #1, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
267 add.b (selected).w, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
268 move.w d0, d1 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
269 add.w d0, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
270 add.w d0, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
271 lea page_index.w, a2 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
272 tst.l (0, a2, d0.w) |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
273 beq handle_done |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
274 move.b d1, (selected).w |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
275 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
276 add.w d2, (sprite_list).w |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
277 add.w d2, (sprite_list+8).w |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
278 rts |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
279 up: |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
280 ;check if we are already at the top of the page |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
281 move.b (selected).w, d0 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
282 beq handle_done |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
283 subq #1, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
284 move.b d0, (selected).w |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
285 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
286 sub.w d2, (sprite_list).w |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
287 sub.w d2, (sprite_list+8).w |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
288 rts |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
289 |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
290 right: |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
291 ;check that we have another page to go to |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
292 tst.b more_pages.w |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
293 beq handle_done |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
294 ;switch to the next page |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
295 move.l page_stack.w, a6 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
296 move.l (-4, a6), a6 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
297 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
298 addq #6, a7 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
299 bra render_page |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
300 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
301 left: |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
302 move.l page_stack.w, a5 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
303 ;check if we're already on the first page |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
304 cmp.l #(page_pointers+8), a5 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
305 beq handle_done |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
306 ;switch to previous page |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
307 lea (-12, a5), a5 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
308 move.l (a5)+, a6 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
309 move.l a5, page_stack.w |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
310 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
311 addq #6, a7 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
312 bra render_page |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
313 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
314 select_entry: |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
315 moveq #0, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
316 move.b (selected).w, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
317 add.w d0, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
318 add.w d0, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
319 lea page_index.w, a2 |
869
4298db923cf8
Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
868
diff
changeset
|
320 move.l (0, a2, d0.w), a2 |
4298db923cf8
Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
868
diff
changeset
|
321 tst.b (-1, a2) |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
322 bne enter_dir |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
323 ;regular file |
872
7022ba865cfd
Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents:
871
diff
changeset
|
324 lea menu_port+8, a3 |
7022ba865cfd
Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents:
871
diff
changeset
|
325 move.l a2, (a3) |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
326 rts |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
327 enter_dir: |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
328 lea menu_port+4, a3 |
869
4298db923cf8
Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
868
diff
changeset
|
329 move.l a2, (a3) |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
330 .wait_complete |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
331 tst.w (a3) |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
332 bne .wait_complete |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
333 addq #6, a7 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
334 bra menu_start |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
335 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
336 handle_mouse: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
337 move.b last_mbuttons.w, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
338 eor.b d3, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
339 and.b d3, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
340 move.b d3, last_mbuttons.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
341 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
342 move.b d0, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
343 or.b d1, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
344 beq .no_mouse_move |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
345 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
346 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
347 tst.b mouse_shown.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
348 bne .skip_show_check |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
349 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
350 moveq #0, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
351 move.b num_sprites.w, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
352 move.w d2, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
353 lsl.w #3, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
354 lea sprite_list.w, a2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
355 move.b d2, (-5, a2, d4.w) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
356 lea (0, a2, d4.w), a2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
357 move.l a2, mouse_sprite.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
358 move.l #$01000500, (a2)+ |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
359 move.w #$8083, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
360 move.w #$100, mouse_x.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
361 addq #1, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
362 move.b d2, num_sprites.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
363 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
364 move.b #1, mouse_shown.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
365 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
366 .skip_show_check |
910
c030e4af32b7
Mouse X and Y are 9-bit 2's complement not 8-bit magnitude + sign bit like I thought. Fixed mouse Y direction.
Michael Pavone <pavone@retrodev.com>
parents:
909
diff
changeset
|
367 neg.w d1 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
368 move.l mouse_sprite.w, a2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
369 add.w d1, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
370 add.w d0, mouse_x.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
371 move.w mouse_x.w, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
372 asr.w #1, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
373 move.w d0, (6, a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
374 move.w (a2), d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
375 cmp.w #272, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
376 blo .done |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
377 cmp.w #655, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
378 bhi .done |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
379 and.w #$FFF0, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
380 subq #8, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
381 move.w d1, (sprite_list).w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
382 move.w d1, (sprite_list+8).w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
383 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
384 sub.w #264, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
385 lsr.w #4, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
386 move.b d1, selected.w |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
387 .no_mouse_move |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
388 btst #0, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
389 bne select_entry |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
390 .done |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
391 rts |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
392 int_4: |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
393 empty_handler: |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
394 rte |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
395 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
396 id_lookup: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
397 dc.b $0, $1, $4, $5 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
398 dc.b $2, $3, $6, $7 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
399 dc.b $8, $9, $C, $D |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
400 dc.b $A, $B, $E, $F |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
401 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
402 io_read: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
403 ;read TH=1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
404 move.b (a2), d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
405 ;read TH=0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
406 move.b #0, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
407 nop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
408 nop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
409 move.b (a2), d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
410 ;reset TH to 1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
411 move.b #$40, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
412 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
413 moveq #0, d2 ;4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
414 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
415 ;calculate Mega Drive peripheral ID |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
416 move.b d1, d2 ;4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
417 lsr.b #1, d2 ;8, 12 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
418 or.b d1, d2 ;4, 16 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
419 and.b #5, d2 ;8, 24 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
420 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
421 move.b d0, d3 ;4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
422 add.b d3, d3 ;4, 8 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
423 or.b d0, d3 ;4, 12 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
424 and.b #$A, d3 ;8, 20 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
425 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
426 or.b d3, d2 ;4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
427 move.b (id_lookup, pc, d2.w), d2 ;14 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
428 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
429 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
430 cmp.b #$3, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
431 beq .mouse |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
432 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
433 cmp.b #$D, d2 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
434 bne .not_pad |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
435 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
436 and.b #$3F, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
437 and.b #$30, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
438 add.b d1, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
439 add.b d1, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
440 or.b d1, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
441 not.b d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
442 rts |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
443 .not_pad: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
444 moveq #0, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
445 rts |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
446 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
447 .mouse: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
448 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
449 move.b #$60, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
450 move.b #$60, (PAD1_CTRL-PAD1_DATA, a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
451 move.b #$60, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
452 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
453 moveq #$f, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
454 wait_hi_init: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
455 btst #4, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
456 beq wait_hi_init |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
457 nop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
458 nop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
459 move.b #$20, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
460 nop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
461 nop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
462 moveq #$f, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
463 move.b #0, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
464 .wait_lo |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
465 btst #4, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
466 bne .wait_lo |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
467 moveq #$f, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
468 move.b #$20, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
469 .wait_hi |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
470 btst #4, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
471 beq .wait_hi |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
472 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
473 lea mouse_buf.w, a3 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
474 move.l a3, a4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
475 moveq #2, d3 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
476 moveq #0, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
477 loop: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
478 moveq #$f, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
479 move.b #0, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
480 .wait_lo |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
481 btst #4, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
482 bne .wait_lo |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
483 move.b (a2), d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
484 lsl.b #4, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
485 moveq #$f, d4 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
486 move.b #$20, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
487 .wait_hi |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
488 btst #4, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
489 beq .wait_hi |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
490 move.b (a2), d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
491 and.b #$f, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
492 or.b d1, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
493 move.b d0, (a3)+ |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
494 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
495 dbra d3, loop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
496 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
497 ;end request |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
498 move.b #$60, (a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
499 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
500 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
501 ;massage data |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
502 moveq #0, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
503 move.b d0, d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
504 move.b (a4)+, d3 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
505 move.b (a4), d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
506 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
507 btst #4, d3 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
508 beq xpos |
910
c030e4af32b7
Mouse X and Y are 9-bit 2's complement not 8-bit magnitude + sign bit like I thought. Fixed mouse Y direction.
Michael Pavone <pavone@retrodev.com>
parents:
909
diff
changeset
|
509 or.w #$FF00, d0 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
510 xpos |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
511 btst #5, d3 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
512 beq ypos |
910
c030e4af32b7
Mouse X and Y are 9-bit 2's complement not 8-bit magnitude + sign bit like I thought. Fixed mouse Y direction.
Michael Pavone <pavone@retrodev.com>
parents:
909
diff
changeset
|
513 or.w #$FF00, d1 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
514 ypos |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
515 ;set port config back to normal controller mode |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
516 move.b #$40, (PAD1_CTRL-PAD1_DATA, a2) |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
517 rts |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
518 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
519 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
520 |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
521 initial_regs: |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
522 vdpreg MODE_2, $4 ;Mode 5, everything turned off |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
523 vdpreg MODE_1, $4 |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
524 vdpreg SCROLL_A, $20 ;Scroll a table $8000 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
525 vdpreg SCROLL_B, $05 ;Scroll b table $A000 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
526 vdpreg SAT, $60 ;SAT table $C000 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
527 vdpreg BG_COLOR, 0 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
528 vdpreg HINT, $FF |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
529 vdpreg MODE_3, 0 ;full screen scroll |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
530 vdpreg MODE_4, $87 ;40 cell mode, double-res interlace |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
531 vdpreg HSCROLL, 0 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
532 vdpreg AUTOINC, 2 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
533 vdpreg SCROLL, 1 ;64x32 scroll size |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
534 end_initial_regs |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
535 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
536 start: |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
537 lea $FF0000, a0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
538 moveq #0, d0 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
539 move.w #($10000/8 - 1), d1 |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
540 .clearloop: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
541 move.l d0, (a0)+ |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
542 move.l d0, (a0)+ |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
543 dbra d1, .clearloop |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
544 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
545 lea $C00000, a0 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
546 lea $C00004, a1 |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
547 |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
548 moveq #(end_initial_regs-initial_regs-1), d0 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
549 lea initial_regs.w, a2 |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
550 .regloop |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
551 move.w (a2)+, (a1) |
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
552 dbra d0, .regloop |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
553 |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
554 vdpaccess $0, VDP_CRAM_WRITE |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
555 move.w #$020, (a0) |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
556 move.w #$EEE, (a0) |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
557 move.w #$222, (a0) |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
558 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
559 ;init scroll table |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
560 vdpaccess $0, VDP_VRAM_WRITE |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
561 move.w #0, (a0) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
562 move.w #4, (a0) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
563 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
564 ;load tiles |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
565 vdpaccess $800, VDP_VRAM_WRITE |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
566 lea font(pc), a2 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
567 move.w #((cursorend-font)/4 - 1), d0 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
568 tloop: |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
569 move.l (a2)+, (a0) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
570 dbra d0, tloop |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
571 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
572 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
573 ;setup SAT |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
574 ;;vdpaccess $C000, VDP_VRAM_WRITE |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
575 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
576 lea sprite_list.w, a2 |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
577 ;left arrow |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
578 move.l #$01080501, (a2)+ |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
579 move.l #$807F0086, (a2)+ |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
580 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
581 ;right arrow |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
582 move.l #$01080500, (a2)+ |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
583 move.l #$887F01AA, (a2)+ |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
584 move.b #2, num_sprites.w |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
585 |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
586 menu_start: |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
587 lea page_pointers.w, a5 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
588 lea dir_buffer, a6 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
589 move.l a6, (a5)+ |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
590 move.l a5, page_stack.w |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
591 lea menu_port, a2 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
592 move.l a6, (a2) |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
593 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
594 wait_complete: |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
595 tst.w (a2) |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
596 bne wait_complete |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
597 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
598 render_page: |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
599 ;clear name tables |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
600 vdpaccess $8000, VDP_VRAM_WRITE |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
601 moveq #32, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
602 swap d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
603 move.b #32, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
604 move.w #(64*64-1), d1 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
605 ploop: |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
606 move.l d0, (a0) |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
607 dbra d1, ploop |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
608 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
609 move.l #$40860002, d3 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
610 move.l d3, (a1) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
611 move.l d3, base_cmd.w |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
612 |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
613 move.b #0, more_pages.w |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
614 lea page_index.w, a3 |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
615 moveq #MAX_DISPLAY-1, d7 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
616 file_loop: |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
617 tst.b (a6)+ |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
618 beq done_files |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
619 addq #1, a6 ;TODO: Do something with directory flag |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
620 |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
621 ;skip over entries starting with a dot except .. |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
622 cmp.b #$2E, (a6) |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
623 bne normal |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
624 cmp.b #$2E, (1, a6) |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
625 beq normal |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
626 addq #1, a6 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
627 .skip_loop: |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
628 tst.b (a6)+ |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
629 bne .skip_loop |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
630 addq #1, d7 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
631 move.l a6, d6 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
632 bra skip |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
633 normal: |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
634 ;save entry pointer to page index |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
635 move.l a6, (a3)+ |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
636 ;print name on screen |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
637 moveq #0, d0 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
638 bsr print_string |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
639 move.l a6, d6 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
640 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
641 lea Newline(pc), a6 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
642 bsr print_string |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
643 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
644 skip: |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
645 ;word align pointer |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
646 addq #1, d6 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
647 and.w #$FFFE, d6 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
648 move.l d6, a6 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
649 |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
650 dbra d7, file_loop |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
651 tst.b (a6) |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
652 beq done_files |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
653 move.b #1, more_pages.w |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
654 done_files: |
871
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
655 move.l page_stack.w, a5 |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
656 move.l a6, (a5)+ |
f364f4f22f8f
Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
869
diff
changeset
|
657 move.l a5, page_stack.w |
868
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
658 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
659 ;null terminate page_index |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
660 moveq #0, d0 |
1bab7e01ae98
Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents:
866
diff
changeset
|
661 move.l d0, (a3) |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
662 |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
663 ;setup gamepads |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
664 move.b #$40, PAD1_CTRL |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
665 move.b #$40, PAD2_CTRL |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
666 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
667 move.w #$8174, (a1) ;enable display, vertical interrupts, DMA |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
668 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
669 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
670 wait_forever |
814
109ac52ffecd
Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents:
791
diff
changeset
|
671 stop #2500 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
672 bra wait_forever |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
673 |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
674 Newline: |
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
675 dc.b $A, 0 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
676 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
677 align 1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
678 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
679 ;Prints a null terminated string |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
680 ;a6 - pointer to string |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
681 ;a0 - VDP data port |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
682 ;d0 - base tile attribute |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
683 ; |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
684 ;Clobbers: d1.w, d2.w, d3.l |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
685 print_string: |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
686 lea widths(pc), a5 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
687 move.w x_pos.w, d2 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
688 move.l base_cmd.w, d3 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
689 .loop |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
690 moveq #0, d1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
691 move.b (a6)+, d1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
692 beq .end |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
693 cmp.b #$A, d1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
694 beq .newline |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
695 tst.b (-32, a5, d1.w) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
696 beq .narrow |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
697 add.w d0, d1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
698 move.w d1, (a0) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
699 addq #2, d2 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
700 bra .loop |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
701 .narrow |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
702 add.w d0, d1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
703 move.w d1, (a0) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
704 addq #1, d2 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
705 move.l d2, d1 |
791
60686f8d5e48
Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents:
790
diff
changeset
|
706 ;switch to other plane |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
707 and.w #$FFFE, d1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
708 swap d1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
709 eor.l #$20000000, d3 |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
710 add.l d3, d1 |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
711 move.l d1, (a1) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
712 bra .loop |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
713 .newline |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
714 moveq #0, d2 |
791
60686f8d5e48
Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents:
790
diff
changeset
|
715 ;switch back to plane A |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
716 and.l #$DFFFFFFF, d3 |
791
60686f8d5e48
Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents:
790
diff
changeset
|
717 ;skip to next row |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
718 add.l #$00800000, d3 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
719 move.l d3, (a1) |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
720 bra .loop |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
721 .end |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
722 move.w d2, x_pos.w |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
723 move.l d3, base_cmd.w |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
724 rts |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
725 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
726 align 1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
727 font: |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
728 incbin font_interlace_variable.tiles |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
729 fontend |
827
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
730 arrow: |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
731 incbin arrow.tiles |
35f5658d141f
Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents:
814
diff
changeset
|
732 arrowend: |
909
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
733 cursor: |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
734 incbin cursor.tiles |
e60eb88d7b09
Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents:
872
diff
changeset
|
735 cursorend: |
917
f057975212e9
Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents:
910
diff
changeset
|
736 button: |
f057975212e9
Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents:
910
diff
changeset
|
737 incbin button.tiles |
f057975212e9
Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents:
910
diff
changeset
|
738 buttonend: |
789
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
739 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
740 widths: |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
741 dc.b 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
742 dc.b 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
743 dc.b 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
744 dc.b 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 |
41e83b38bdc8
Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
745 dc.b 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1 |
866
69a6ec208111
Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents:
827
diff
changeset
|
746 |
790
e8b14d5a5b5a
Add something resembling a proper header
Michael Pavone <pavone@retrodev.com>
parents:
789
diff
changeset
|
747 rom_end: |