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annotate menu.s68 @ 944:10dd8c04cbbc

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Handle up down buttons when in a menu
author Michael Pavone <pavone@retrodev.com>
date Sat, 12 Mar 2016 14:24:43 -0800
parents 05229aa23b00
children 67f738bda7e2
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
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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
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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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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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29 ;$60
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Michael Pavone <pavone@retrodev.com>
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30 dc.l empty_handler
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31 dc.l empty_handler
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32 dc.l empty_handler
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33 dc.l empty_handler
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34 ;$70
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35 dc.l int_4
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36 dc.l empty_handler
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37 dc.l int_6
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38 dc.l empty_handler
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39 ;$80
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40 dc.l empty_handler
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41 dc.l empty_handler
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42 dc.l empty_handler
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43 dc.l empty_handler
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44 ;$90
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45 dc.l empty_handler
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46 dc.l empty_handler
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47 dc.l empty_handler
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48 dc.l empty_handler
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49 ;$A0
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50 dc.l empty_handler
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51 dc.l empty_handler
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52 dc.l empty_handler
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53 dc.l empty_handler
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54 ;$B0
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55 dc.l empty_handler
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56 dc.l empty_handler
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57 dc.l empty_handler
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58 dc.l empty_handler
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59 ;$C0
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60 dc.l empty_handler
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61 dc.l empty_handler
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62 dc.l empty_handler
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63 dc.l empty_handler
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64 ;$D0
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65 dc.l empty_handler
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66 dc.l empty_handler
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67 dc.l empty_handler
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68 dc.l empty_handler
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69 ;$E0
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70 dc.l empty_handler
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71 dc.l empty_handler
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72 dc.l empty_handler
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73 dc.l empty_handler
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74 ;$F0
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75 dc.l empty_handler
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76 dc.l empty_handler
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77 dc.l empty_handler
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78 dc.l empty_handler
790
e8b14d5a5b5a Add something resembling a proper header
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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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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
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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
Michael Pavone <pavone@retrodev.com>
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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))
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141 endm
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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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
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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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147 move.l #((\2) | (\1) << 16 & $3FFF0000 | (\1) >> 14 & 3), (a1)
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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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155 endm
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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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
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
188 num_menu rs.b 1
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
189
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
190
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
191 int_6:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
192 dmasrc sprite_list, DMA_SRC_68K
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
193 ;set DMA length
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
194 move.l #$94009300, d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
195 moveq #0, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
196 move.b num_sprites.w, 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 add.w d1, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
199 move.b d1, d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
200 swap d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
201 lsr.w #8, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
202 move.b d1, d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
203 move.l d0, (a1)
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
204 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
205
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
206 ;read gamepad/mouse in port 1
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
207 lea PAD1_DATA, a2
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
208
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
209 bsr io_read
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
210
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
211 cmp.b #3, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
212 beq .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
213
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
214 move.b last_pad1.w, d1
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
215 eor.b d0, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
216 and.b d0, d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
217 move.b d0, last_pad1.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
218
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
219 bsr handle_pad_buttons
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
220
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
221 bra pad2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
222 .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
223 bsr handle_mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
224
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
225 pad2:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
226 ;read gamepad/mouse in port 2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
227 lea PAD2_DATA, a2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
228
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
229 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
230
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
231 cmp.b #3, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
232 beq .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
233
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
234 move.b last_pad2.w, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
235 eor.b d0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
236 and.b d0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
237 move.b d0, last_pad2.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
238
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
239 bsr handle_pad_buttons
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
240 rte
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
241 .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
242 bsr handle_mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
243 rte
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
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
246 ;d0 = SACBRLUD
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
247 ;d1 = newly pressed buttons
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
248 handle_pad_buttons:
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
249 tst.b num_menu.w
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
250 bne handle_buttons_menu
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
251 moveq #16, d2
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
252
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
253
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
254 btst #3, d1
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
255 bne right
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
256 btst #2, d1
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
257 bne left
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
258 buttons_no_leftright
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
259 btst #1, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
260 bne down
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
261 btst #0, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
262 bne up
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
263 btst #7, d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
264 bne select_entry
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
265 btst #5, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
266 bne select_entry
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
267 handle_done:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
268 rts
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
269 handle_buttons_menu
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
270 moveq #48, d2
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
271 bra buttons_no_leftright
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
272
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
273 down:
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
274
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
275 ;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
276 moveq #1, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
277 add.b (selected).w, d0
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
278 tst.b num_menu.w
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
279 bne .menu
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
280 move.w d0, d1
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
281 add.w d1, d1
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
282 add.w d1, d1
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
283 lea page_index.w, a2
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
284 tst.l (0, a2, d1.w)
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
285 beq handle_done
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
286 .do_move
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
287 move.b d0, (selected).w
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
288
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
289 add.w d2, (sprite_list).w
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
290 add.w d2, (sprite_list+8).w
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
291 rts
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
292 .menu:
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
293 cmp.b num_menu.w, d0
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
294 beq handle_done
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
295 bra .do_move
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
296
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
297 up:
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
298 ;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
299 move.b (selected).w, d0
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
300 beq handle_done
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
301 subq #1, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
302 move.b d0, (selected).w
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
303
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
304 sub.w d2, (sprite_list).w
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
305 sub.w d2, (sprite_list+8).w
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
306 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
307
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
308 right:
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
309 ;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
310 tst.b more_pages.w
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
311 beq handle_done
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
312 ;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
313 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
314 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
315
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
316 addq #6, a7
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
317 bra render_page
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
318
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
319 left:
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
320 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
321 ;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
322 cmp.l #(page_pointers+8), a5
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
323 beq handle_done
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
324 ;switch to previous page
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
325 lea (-12, a5), a5
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
326 move.l (a5)+, a6
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
327 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
328
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
329 addq #6, a7
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
330 bra render_page
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
331
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
332 select_entry:
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
333 moveq #0, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
334 move.b (selected).w, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
335 add.w d0, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
336 add.w d0, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
337 lea page_index.w, a2
869
4298db923cf8 Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 868
diff changeset
338 move.l (0, a2, d0.w), a2
4298db923cf8 Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 868
diff changeset
339 tst.b (-1, a2)
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
340 bne enter_dir
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
341 ;regular file
872
7022ba865cfd Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents: 871
diff changeset
342 lea menu_port+8, a3
7022ba865cfd Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents: 871
diff changeset
343 move.l a2, (a3)
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
344 rts
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
345 enter_dir:
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
346 lea menu_port+4, a3
869
4298db923cf8 Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 868
diff changeset
347 move.l a2, (a3)
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
348 .wait_complete
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
349 tst.w (a3)
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
350 bne .wait_complete
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
351 addq #6, a7
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
352 bra menu_start
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
353
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
354 handle_mouse:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
355 move.b last_mbuttons.w, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
356 eor.b d3, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
357 and.b d3, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
358 move.b d3, last_mbuttons.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
359
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
360 move.b d0, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
361 or.b d1, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
362 beq .no_mouse_move
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
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
365 tst.b mouse_shown.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
366 bne .skip_show_check
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
367
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
368 moveq #0, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
369 move.b num_sprites.w, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
370 move.w d2, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
371 lsl.w #3, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
372 lea sprite_list.w, a2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
373 move.b d2, (-5, a2, d4.w)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
374 lea (0, a2, d4.w), a2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
375 move.l a2, mouse_sprite.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
376 move.l #$01000500, (a2)+
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
377 move.w #$8083, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
378 move.w #$100, mouse_x.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
379 addq #1, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
380 move.b d2, num_sprites.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
381
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
382 move.b #1, mouse_shown.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 .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
385 neg.w d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
386 move.l mouse_sprite.w, a2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
387 add.w d1, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
388 add.w d0, mouse_x.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
389 move.w mouse_x.w, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
390 asr.w #1, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
391 move.w d0, (6, a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
392 move.w (a2), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
393 cmp.w #272, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
394 blo .done
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
395 cmp.w #655, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
396 bhi .done
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
397 and.w #$FFF0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
398 subq #8, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
399 move.w d1, (sprite_list).w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
400 move.w d1, (sprite_list+8).w
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 sub.w #264, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
403 lsr.w #4, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
404 move.b d1, selected.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
405 .no_mouse_move
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
406 btst #0, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
407 bne select_entry
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
408 .done
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
409 rts
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
410 int_4:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
411 empty_handler:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
412 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
413
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
414 id_lookup:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
415 dc.b $0, $1, $4, $5
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
416 dc.b $2, $3, $6, $7
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
417 dc.b $8, $9, $C, $D
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
418 dc.b $A, $B, $E, $F
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
419
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
420 io_read:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
421 ;read TH=1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
422 move.b (a2), d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
423 ;read TH=0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
424 move.b #0, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
425 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
426 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
427 move.b (a2), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
428 ;reset TH to 1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
429 move.b #$40, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
430
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
431 moveq #0, d2 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
432
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
433 ;calculate Mega Drive peripheral ID
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
434 move.b d1, d2 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
435 lsr.b #1, d2 ;8, 12
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
436 or.b d1, d2 ;4, 16
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
437 and.b #5, d2 ;8, 24
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
438
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
439 move.b d0, d3 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
440 add.b d3, d3 ;4, 8
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
441 or.b d0, d3 ;4, 12
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
442 and.b #$A, d3 ;8, 20
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
443
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
444 or.b d3, d2 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
445 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
446
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
447
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
448 cmp.b #$3, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
449 beq .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
450
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
451 cmp.b #$D, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
452 bne .not_pad
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
453
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
454 and.b #$3F, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
455 and.b #$30, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
456 add.b d1, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
457 add.b d1, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
458 or.b d1, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
459 not.b d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
460 rts
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
461 .not_pad:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
462 moveq #0, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
463 rts
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
464
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
465 .mouse:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
466
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
467 move.b #$60, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
468 move.b #$60, (PAD1_CTRL-PAD1_DATA, a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
469 move.b #$60, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
470
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
471 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
472 wait_hi_init:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
473 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
474 beq wait_hi_init
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
475 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
476 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
477 move.b #$20, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
478 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
479 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
480 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
481 move.b #0, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
482 .wait_lo
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
483 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
484 bne .wait_lo
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 #$20, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
487 .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
488 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
489 beq .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
490
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
491 lea mouse_buf.w, a3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
492 move.l a3, a4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
493 moveq #2, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
494 moveq #0, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
495 loop:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
496 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
497 move.b #0, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
498 .wait_lo
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
499 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
500 bne .wait_lo
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
501 move.b (a2), d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
502 lsl.b #4, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
503 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
504 move.b #$20, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
505 .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
506 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
507 beq .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
508 move.b (a2), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
509 and.b #$f, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
510 or.b d1, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
511 move.b d0, (a3)+
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
512
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
513 dbra d3, loop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
514
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
515 ;end request
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
516 move.b #$60, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
517
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
518
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
519 ;massage data
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
520 moveq #0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
521 move.b d0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
522 move.b (a4)+, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
523 move.b (a4), d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
524
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
525 btst #4, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
526 beq xpos
910
c030e4af32b7 Mouse X and Y are 9-bit 2's complement not 8-bit magnitude + sign bit like I thought. Fixed mouse Y direction.
Michael Pavone <pavone@retrodev.com>
parents: 909
diff changeset
527 or.w #$FF00, d0
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
528 xpos
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
529 btst #5, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
530 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
531 or.w #$FF00, d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
532 ypos
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
533 ;set port config back to normal controller mode
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
534 move.b #$40, (PAD1_CTRL-PAD1_DATA, a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
535 rts
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
536
925
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
537 topcorner equ (button-font)/64 + 32
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
538 topmiddle equ topcorner+1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
539 botcorner equ topmiddle+1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
540 botmiddle equ botcorner+1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
541 horiz_flip equ $800
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
542 vert_flip equ $1000
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
543
925
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
544 ; draws a button
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
545 ; d0.w - x in cells
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
546 ; d1.w - y in cells
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
547 ; d2.w - width in cells
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
548 ;
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
549 ; clobbers a6
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
550 draw_button:
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
551 ;multiply x by 2
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
552 add.w d0, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
553 ;multiply y by 128
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
554 lsl.w #7, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
555 add.w d1, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
556 add.w #$A000, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
557 move.w d0, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
558 and.w #$3FFF, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
559 rol.w #2, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
560 and.w #3, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
561 ori.w #(VDP_VRAM_WRITE >> 16), d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
562 swap d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
563 move.w d1, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
564 move.l d0, (a1)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
565 move.w d2, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
566 ;top left corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
567 move.w #topcorner, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
568 subq #3, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
569 bmi .notopmiddle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
570 .toploop:
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
571 ;top middle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
572 move.w #topmiddle, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
573 dbra d1, .toploop
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
574 .notopmiddle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
575 ;top right corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
576 move.w #(topcorner | horiz_flip), (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
577 ;go to next row in name table
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
578 add.l #((2*64) << 16), d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
579 move.l d0, (a1)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
580 ;bottom left corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
581 move.w #botcorner, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
582 subq #3, d2
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
583 bmi .nomiddlebot
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
584 .botloop:
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
585 ;bottom middle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
586 move.w #botmiddle, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
587 dbra d2, .botloop
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
588 .nomiddlebot
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
589 ;bottom right corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
590 move.w #(botcorner | horiz_flip), (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
591 rts
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
592
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
593 ;a5 - menu pointer
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
594 ;d6 - initial Y position of menu
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
595 draw_menu:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
596 moveq #0, d7
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
597 moveq #0, d5
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
598 ;save menu pointer for second pass
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
599 movea.l a5, a4
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
600 .lenloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
601 tst.b (a5)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
602 beq .lendone
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
603 addq #1, d5
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
604 movea.l a5, a6
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
605 bsr strlen
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
606 cmp.w d7, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
607 blo .nochange
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
608 move.w d0, d7
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
609 .nochange
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
610 lea (1, a5, d0.w), a5
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
611 bra .lenloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
612 .lendone
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
613
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
614 addq #2, d7
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
615 move.b d5, num_menu.w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
616
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
617 ;calculate X position
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
618 move.w d7, d4
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
619 lsr.w #1, d4
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
620 moveq #20, d5
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
621 sub.w d4, d5
943
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
622 ;calculate left arrow X
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
623 move.w d5, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
624 lsl.w #3, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
625 add.w #(128-24), d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
626 move.w d4, (sprite_list+6).w
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
627 ;calculate right arrow x
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
628 move.w d7, d3
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
629 lsl.w #3, d3
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
630 add.w d3, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
631 add.w #32, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
632 move.w d4, (sprite_list+6+8).w
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
633 ;update left arrow Y
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
634 move.w d6, d4
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
635 lsl.w #4, d4
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
636 add.w #256, d4
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
637 move.w d4, (sprite_list).w
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
638 move.w d4, (sprite_list+8).w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
639 ;restore menu pointer
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
640 movea.l a4, a5
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
641 .drawloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
642 tst.b (a5)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
643 beq .done
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
644 ;x pos
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
645 move.w d5, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
646 ;y pos
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
647 move.w d6, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
648 ;width
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
649 move.w d7, d2
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
650 bsr draw_button
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
651
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
652 movea.l a5, a6
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
653 bsr strlen
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
654 movea.l a5, a6
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
655 lea (1, a5, d0.w), a5
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
656 ;x pos
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
657 move.w d7, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
658 lsr.w #1, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
659 add.w d5, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
660 lsr.w #1, d0
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
661 sub.w d0, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
662 ;y pos
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
663 move.w d6, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
664 ;base attribute
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
665 move.w #$206B, d0
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
666 bsr print_string_fixed
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
667
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
668 addq #3, d6
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
669 bra .drawloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
670 .done
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
671 rts
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
672
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
673 initial_regs:
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
674 vdpreg MODE_2, $4 ;Mode 5, everything turned off
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
675 vdpreg MODE_1, $4
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
676 vdpreg SCROLL_A, $20 ;Scroll a table $8000
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
677 vdpreg SCROLL_B, $05 ;Scroll b table $A000
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
678 vdpreg SAT, $60 ;SAT table $C000
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
679 vdpreg BG_COLOR, 0
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
680 vdpreg HINT, $FF
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
681 vdpreg MODE_3, 0 ;full screen scroll
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
682 vdpreg MODE_4, $87 ;40 cell mode, double-res interlace
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
683 vdpreg HSCROLL, 0
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
684 vdpreg AUTOINC, 2
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
685 vdpreg SCROLL, 1 ;64x32 scroll size
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
686 end_initial_regs
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
687
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
688 start:
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
689 lea $FF0000, a0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
690 moveq #0, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
691 move.w #($10000/8 - 1), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
692 .clearloop:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
693 move.l d0, (a0)+
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
694 move.l d0, (a0)+
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
695 dbra d1, .clearloop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
696
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
697 lea $C00000, a0
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
698 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
699
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
700 moveq #(end_initial_regs-initial_regs-1), d0
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
701 lea initial_regs.w, a2
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
702 .regloop
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
703 move.w (a2)+, (a1)
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
704 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
705
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
706 vdpaccess $0, VDP_CRAM_WRITE
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
707 move.w #$020, (a0)
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
708 move.w #$EEE, (a0)
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
709 move.w #$222, (a0)
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
710
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
711 ;init scroll table
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
712 vdpaccess $0, VDP_VRAM_WRITE
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
713 move.w #0, (a0)
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
714 move.w #0, (a0)
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
715
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
716 ;init vertical scroll RAM
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
717 vdpaccess $0, VDP_VSRAM_WRITE
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
718 move.w #-4, (a0)
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
719 move.w #0, (a0)
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
720
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
721 ;load tiles
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
722 vdpaccess $800, VDP_VRAM_WRITE
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
723 lea font(pc), a2
925
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
724 move.w #((buttonend-font)/4 - 1), d0
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
725 tloop:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
726 move.l (a2)+, (a0)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
727 dbra d0, tloop
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
728 move.w #((fontfixedend-fontfixed)/4 - 1), d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
729 dtloop:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
730 move.l (a2)+, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
731 move.l d1, (a0)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
732 move.l d1, (a0)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
733 dbra d0, dtloop
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
734
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
735
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
736 ;setup SAT
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
737 ;;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
738
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
739 lea sprite_list.w, a2
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
740 ;left arrow
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
741 move.l #$01080501, (a2)+
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
742 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
743
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
744 ;right arrow
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
745 move.l #$01080500, (a2)+
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
746 move.l #$887F01AA, (a2)+
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
747 move.b #2, num_sprites.w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
748
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
749
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
750
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
751 menu_start:
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
752 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
753 lea dir_buffer, a6
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
754 move.l a6, (a5)+
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
755 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
756 lea menu_port, a2
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
757 move.l a6, (a2)
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
758
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
759 wait_complete:
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
760 tst.w (a2)
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
761 bne wait_complete
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
762
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
763 render_page:
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
764 ;clear name tables
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
765 vdpaccess $8000, VDP_VRAM_WRITE
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
766 moveq #32, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
767 swap d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
768 move.b #32, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
769 move.w #(64*64-1), d1
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
770 ploop:
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
771 move.l d0, (a0)
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
772 dbra d1, ploop
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
773
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
774 move.l #$40860002, d3
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
775 move.l d3, (a1)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
776 move.l d3, base_cmd.w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
777
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
778 moveq #8, d6
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
779 lea main_menu(pc), a5
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
780 bsr draw_menu
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
781 bra gamepad_setup
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
782
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
783 ;init scroll table
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
784 vdpaccess $0, VDP_VRAM_WRITE
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
785 move.w #0, (a0)
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
786 move.w #4, (a0)
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
787
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
788
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
789 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
790 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
791 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
792 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
793 tst.b (a6)+
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
794 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
795 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
796
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
797 ;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
798 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
799 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
800 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
801 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
802 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
803 .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
804 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
805 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
806 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
807 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
808 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
809 normal:
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
810 ;save entry pointer to page index
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
811 move.l a6, (a3)+
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
812 ;print name on screen
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
813 moveq #0, d0
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
814 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
815 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
816
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
817 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
818 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
819
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
820 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
821 ;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
822 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
823 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
824 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
825
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
826 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
827 tst.b (a6)
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
828 beq done_files
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
829 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
830 done_files:
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
831 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
832 move.l a6, (a5)+
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
833 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
834
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
835 ;null terminate page_index
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
836 moveq #0, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
837 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
838
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
839 gamepad_setup:
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
840 ;setup gamepads
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
841 move.b #$40, PAD1_CTRL
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
842 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
843
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
844 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
845
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
846
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
847 wait_forever
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
848 stop #2500
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
849 bra wait_forever
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
850
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
851 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
852 dc.b $A, 0
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
853
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
854 align 1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
855
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
856 ;Prints a null terminated string
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
857 ;a6 - pointer to string
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
858 ;a0 - VDP data port
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
859 ;d0 - base tile attribute
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
860 ;
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
861 ;Clobbers: d1.w, d2.w, d3.l
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
862 print_string:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
863 lea widths(pc), a5
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
864 move.w x_pos.w, d2
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
865 move.l base_cmd.w, d3
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
866 .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
867 moveq #0, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
868 move.b (a6)+, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
869 beq .end
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
870 cmp.b #$A, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
871 beq .newline
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
872 tst.b (-32, a5, d1.w)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
873 beq .narrow
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
874 add.w d0, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
875 move.w d1, (a0)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
876 addq #2, d2
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
877 bra .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
878 .narrow
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
879 add.w d0, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
880 move.w d1, (a0)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
881 addq #1, d2
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
882 move.l d2, d1
791
60686f8d5e48 Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents: 790
diff changeset
883 ;switch to other plane
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
884 and.w #$FFFE, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
885 swap d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
886 eor.l #$20000000, d3
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
887 add.l d3, d1
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
888 move.l d1, (a1)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
889 bra .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
890 .newline
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
891 moveq #0, d2
791
60686f8d5e48 Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents: 790
diff changeset
892 ;switch back to plane A
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
893 and.l #$DFFFFFFF, d3
791
60686f8d5e48 Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents: 790
diff changeset
894 ;skip to next row
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
895 add.l #$00800000, d3
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
896 move.l d3, (a1)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
897 bra .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
898 .end
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
899 move.w d2, x_pos.w
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
900 move.l d3, base_cmd.w
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
901 rts
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
902
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
903 ;Prints a null-terminated string with a fixed width font
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
904 ;a6 - pointer to string
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
905 ;a0 - VDP data port
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
906 ;d0 - base tile attribute
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
907 ;d1 - x col
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
908 ;d2 - y col
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
909 ;
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
910 print_string_fixed:
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
911 ;multiply x by 2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
912 add.w d1, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
913 ;multiply y by 128
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
914 lsl.w #7, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
915 add.w d2, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
916 add.w #$8000, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
917 move.w d1, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
918 and.w #$3FFF, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
919 rol.w #2, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
920 and.w #3, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
921 ori.w #(VDP_VRAM_WRITE >> 16), d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
922 swap d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
923 move.w d2, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
924 move.l d1, (a1)
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
925 .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
926 moveq #0, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
927 move.b (a6)+, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
928 beq .end
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
929 add.w d0, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
930 move.w d1, (a0)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
931 bra .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
932 .end
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
933 rts
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
934
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
935 ;Returns string length in d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
936 ;a6 - pointer to string
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
937 strlen:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
938 moveq #-1, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
939 .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
940 addq #1, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
941 tst.b (a6)+
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
942 bne .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
943 rts
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
944
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
945 align 1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
946 font:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
947 incbin font_interlace_variable.tiles
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
948 fontend
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
949 arrow:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
950 incbin arrow.tiles
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
951 arrowend:
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
952 cursor:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
953 incbin cursor.tiles
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
954 cursorend:
917
f057975212e9 Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
955 button:
f057975212e9 Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
956 incbin button.tiles
f057975212e9 Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
957 buttonend:
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
958 fontfixed:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
959 incbin font.tiles
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
960 fontfixedend:
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
961
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
962 widths:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
963 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
964 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
965 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
966 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
967 dc.b 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
968
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
969 main_menu:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
970 dc.b "Load ROM", 0
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
971 dc.b "About", 0
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
972 dc.b "Exit", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
973 dc.b 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
974
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
975 pause_menu:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
976 dc.b "Resume", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
977 dc.b "Load ROM", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
978 dc.b "Save State", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
979 dc.b "Load State", 0
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
980 dc.b "Exit", 0
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
981 dc.b 0
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
982
790
e8b14d5a5b5a Add something resembling a proper header
Michael Pavone <pavone@retrodev.com>
parents: 789
diff changeset
983 rom_end: