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annotate menu.s68 @ 910:c030e4af32b7

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Mouse X and Y are 9-bit 2's complement not 8-bit magnitude + sign bit like I thought. Fixed mouse Y direction.
author Michael Pavone <pavone@retrodev.com>
date Sat, 05 Dec 2015 18:40:34 -0800
parents e60eb88d7b09
children f057975212e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
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1 dc.l $0, start
41e83b38bdc8 Initial work on silly Genesis based menu
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2 dc.l empty_handler
41e83b38bdc8 Initial work on silly Genesis based menu
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3 dc.l empty_handler
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
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4 ;$10
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Michael Pavone <pavone@retrodev.com>
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5 dc.l empty_handler
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
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6 dc.l empty_handler
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Michael Pavone <pavone@retrodev.com>
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7 dc.l empty_handler
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8 dc.l empty_handler
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Michael Pavone <pavone@retrodev.com>
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9 ;$20
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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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14 ;$30
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Michael Pavone <pavone@retrodev.com>
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15 dc.l empty_handler
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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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19 ;$40
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Michael Pavone <pavone@retrodev.com>
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20 dc.l empty_handler
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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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24 ;$50
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Michael Pavone <pavone@retrodev.com>
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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
41e83b38bdc8 Initial work on silly Genesis based menu
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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
e8b14d5a5b5a Add something resembling a proper header
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parents: 789
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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 " "
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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parents: 827
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87 dc.b "MP BlstMenu-00", 0, 0
790
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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 "
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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95
814
109ac52ffecd Menu cleanup with macros
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96 ;register addresses
827
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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)
814
109ac52ffecd Menu cleanup with macros
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108
827
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109 MODE_1 equ 0
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110 MODE_2 equ 1
814
109ac52ffecd Menu cleanup with macros
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111 SCROLL_A equ 2
109ac52ffecd Menu cleanup with macros
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112 WINDOW equ 3
109ac52ffecd Menu cleanup with macros
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113 SCROLL_B equ 4
109ac52ffecd Menu cleanup with macros
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114 SAT equ 5
109ac52ffecd Menu cleanup with macros
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115 BG_COLOR equ 7
109ac52ffecd Menu cleanup with macros
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116 HINT equ $A
109ac52ffecd Menu cleanup with macros
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117 MODE_3 equ $B
109ac52ffecd Menu cleanup with macros
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118 MODE_4 equ $C
109ac52ffecd Menu cleanup with macros
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119 HSCROLL equ $D
109ac52ffecd Menu cleanup with macros
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120 AUTOINC equ $F
109ac52ffecd Menu cleanup with macros
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121 SCROLL EQU $10
109ac52ffecd Menu cleanup with macros
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122 WINDOW_H equ $11
109ac52ffecd Menu cleanup with macros
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123 WINDOW_V equ $12
109ac52ffecd Menu cleanup with macros
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124 DMALEN_L equ $13
109ac52ffecd Menu cleanup with macros
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125 DMALEN_H equ $14
109ac52ffecd Menu cleanup with macros
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126 DMASRC_L equ $15
109ac52ffecd Menu cleanup with macros
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127 DMASRC_M equ $16
109ac52ffecd Menu cleanup with macros
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128 DMASRC_H equ $17
109ac52ffecd Menu cleanup with macros
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129
109ac52ffecd Menu cleanup with macros
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130 VDP_VRAM_WRITE equ $40000000
109ac52ffecd Menu cleanup with macros
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131 VDP_CRAM_WRITE equ $C0000000
109ac52ffecd Menu cleanup with macros
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132 VDP_VSRAM_WRITE equ $40000010
109ac52ffecd Menu cleanup with macros
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133 VDP_DMA_FLAG equ $80
109ac52ffecd Menu cleanup with macros
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134
109ac52ffecd Menu cleanup with macros
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135 vdpregset macro
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136 move.w #(((\1) << 8) | $8000 | (\2)), (a1)
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137 endm
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138
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139 vdpreg macro
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140 dc.w (((\1) << 8) | $8000 | (\2))
109ac52ffecd Menu cleanup with macros
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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
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142
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
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143 ;Writes a normal VDP command to the control port
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
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144 ;\1 - VDP address
109ac52ffecd Menu cleanup with macros
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145 ;\2 - Access type
109ac52ffecd Menu cleanup with macros
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146 vdpaccess macro
109ac52ffecd Menu cleanup with macros
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parents: 791
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147 move.l #((\2) | (\1) << 16 & $3FFF0000 | (\1) >> 14 & 3), (a1)
109ac52ffecd Menu cleanup with macros
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parents: 791
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148 endm
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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149
827
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150 ;Writes a DMA command to the control port
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151 ;\1 - Destination address
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152 ;\2 - Destination type
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153 startdma macro
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154 move.l #(\2 | VDP_DMA_FLAG | (\1 << 16) & $3FFF0000 | (\1 >> 14) & 3), (a1)
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parents: 814
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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:
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
736
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
737 widths:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
738 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
739 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
740 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
741 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
742 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
743
790
e8b14d5a5b5a Add something resembling a proper header
Michael Pavone <pavone@retrodev.com>
parents: 789
diff changeset
744 rom_end: