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annotate menu.s68 @ 949:5e4fb650de58

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Make Exit option in menu work
author Michael Pavone <pavone@retrodev.com>
date Sat, 19 Mar 2016 17:53:50 -0700
parents 6b90ec50daf3
children 938c72a2f7a9
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>
parents:
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1 dc.l $0, start
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
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2 dc.l empty_handler
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
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3 dc.l empty_handler
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
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4 ;$10
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Michael Pavone <pavone@retrodev.com>
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5 dc.l empty_handler
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
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6 dc.l empty_handler
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Michael Pavone <pavone@retrodev.com>
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7 dc.l empty_handler
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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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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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Michael Pavone <pavone@retrodev.com>
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27 dc.l empty_handler
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Michael Pavone <pavone@retrodev.com>
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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 "
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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
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108
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109 MODE_1 equ 0
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110 MODE_2 equ 1
814
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111 SCROLL_A equ 2
109ac52ffecd Menu cleanup with macros
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112 WINDOW equ 3
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113 SCROLL_B equ 4
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114 SAT equ 5
109ac52ffecd Menu cleanup with macros
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115 BG_COLOR equ 7
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116 HINT equ $A
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117 MODE_3 equ $B
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118 MODE_4 equ $C
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119 HSCROLL equ $D
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
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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
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125 DMALEN_H equ $14
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126 DMASRC_L equ $15
109ac52ffecd Menu cleanup with macros
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127 DMASRC_M equ $16
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128 DMASRC_H equ $17
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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
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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
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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
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142
814
109ac52ffecd Menu cleanup with macros
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143 ;Writes a normal VDP command to the control port
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144 ;\1 - VDP address
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145 ;\2 - Access type
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146 vdpaccess macro
945
67f738bda7e2 Working about menu
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147 ifeq NARG-2
814
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148 move.l #((\2) | (\1) << 16 & $3FFF0000 | (\1) >> 14 & 3), (a1)
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149 else
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150 move.l #((\2) | (\1) << 16 & $3FFF0000 | (\1) >> 14 & 3), \3
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151 endif
814
109ac52ffecd Menu cleanup with macros
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152 endm
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
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153
827
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154 ;Writes a DMA command to the control port
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155 ;\1 - Destination address
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156 ;\2 - Destination type
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
157 startdma macro
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
158 move.l #(\2 | VDP_DMA_FLAG | (\1 << 16) & $3FFF0000 | (\1 >> 14) & 3), (a1)
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
159 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
160
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
161 DMA_SRC_68K equ 0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
162 DMA_SRC_VRAM equ $C0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
163 DMA_SRC_FILL equ $80
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
164
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
165 dmasrc macro
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
166 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
167 move.w #($9700 + (\1) >> 17 & $7F | (\2)), (a1)
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
168 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
169
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 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
171 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
172
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
173 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
174
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 rsset $FFFF8000
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
176 x_pos rs.w 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
177 base_cmd rs.l 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
178 sprite_list rs.l 160
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
179 page_index rs.l MAX_DISPLAY+1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
180 page_stack rs.l 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
181 page_pointers rs.l 1024
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
182 mouse_sprite rs.l 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
183 menu_functions rs.l 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
184 mouse_x rs.w 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
185 num_sprites rs.b 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
186 last_pad1 rs.b 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
187 last_pad2 rs.b 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
188 selected rs.b 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
189 more_pages rs.b 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
190 mouse_buf rs.b 3
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
191 mouse_shown rs.b 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
192 last_mbuttons rs.b 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
193 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
194
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
195
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
196 int_6:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
197 dmasrc sprite_list, DMA_SRC_68K
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
198 ;set DMA length
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
199 move.l #$94009300, d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
200 moveq #0, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
201 move.b num_sprites.w, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
202 add.w d1, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
203 add.w d1, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
204 move.b d1, d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
205 swap d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
206 lsr.w #8, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
207 move.b d1, d0
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
208 move.l d0, (a1)
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
209 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
210
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
211 ;read gamepad/mouse in port 1
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
212 lea PAD1_DATA, a2
909
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 bsr io_read
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
215
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
216 cmp.b #3, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
217 beq .mouse
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 move.b last_pad1.w, d1
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
220 eor.b d0, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
221 and.b d0, d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
222 move.b d0, last_pad1.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
223
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
224 bsr handle_pad_buttons
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
225
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
226 bra pad2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
227 .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
228 bsr handle_mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
229
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
230 pad2:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
231 ;read gamepad/mouse in port 2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
232 lea PAD2_DATA, a2
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 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
235
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
236 cmp.b #3, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
237 beq .mouse
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 move.b last_pad2.w, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
240 eor.b d0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
241 and.b d0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
242 move.b d0, last_pad2.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
243
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
244 bsr handle_pad_buttons
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
245 rte
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
246 .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
247 bsr handle_mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
248 rte
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
249
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
250
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
251 ;d0 = SACBRLUD
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
252 ;d1 = newly pressed buttons
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
253 handle_pad_buttons:
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
254 tst.b num_menu.w
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
255 bne handle_buttons_menu
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
256 moveq #16, d2
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
257
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
258
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
259 btst #3, d1
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
260 bne right
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
261 btst #2, d1
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
262 bne left
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
263 buttons_no_leftright
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
264 btst #1, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
265 bne down
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
266 btst #0, d1
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
267 bne up
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
268 btst #7, d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
269 bne select_entry
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
270 btst #5, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
271 bne select_entry
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
272 handle_done:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
273 rts
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
274 handle_buttons_menu
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
275 moveq #48, d2
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
276 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
277
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
278 down:
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
279
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
280 ;check if we are already at the bottom of the page
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
281 moveq #1, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
282 add.b (selected).w, d0
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
283 tst.b num_menu.w
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
284 bne .menu
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
285 move.w d0, d1
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
286 add.w d1, d1
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
287 add.w d1, d1
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
288 lea page_index.w, a2
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
289 tst.l (0, a2, d1.w)
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
290 beq handle_done
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
291 .do_move
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
292 move.b d0, (selected).w
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
293
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
294 add.w d2, (sprite_list).w
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
295 add.w d2, (sprite_list+8).w
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
296 rts
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
297 .menu:
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
298 cmp.b num_menu.w, d0
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
299 beq handle_done
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
300 bra .do_move
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
301
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
302 up:
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
303 ;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
304 move.b (selected).w, d0
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
305 beq handle_done
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
306 subq #1, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
307 move.b d0, (selected).w
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
308
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
309 sub.w d2, (sprite_list).w
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
310 sub.w d2, (sprite_list+8).w
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
311 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
312
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
313 right:
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
314 ;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
315 tst.b more_pages.w
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
316 beq handle_done
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
317 ;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
318 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
319 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
320
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
321 addq #6, a7
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
322 bra render_page
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
323
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
324 left:
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
325 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
326 ;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
327 cmp.l #(page_pointers+8), a5
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
328 beq handle_done
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
329 ;switch to previous page
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
330 lea (-12, a5), a5
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
331 move.l (a5)+, a6
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
332 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
333
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
334 addq #6, a7
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
335 bra render_page
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
336
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
337 select_entry:
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
338 moveq #0, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
339 move.b (selected).w, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
340 add.w d0, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
341 add.w d0, d0
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
342 tst.b num_menu.w
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
343 bne .select_menu_button
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
344 lea page_index.w, a2
869
4298db923cf8 Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 868
diff changeset
345 move.l (0, a2, d0.w), a2
4298db923cf8 Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 868
diff changeset
346 tst.b (-1, a2)
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
347 bne enter_dir
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
348 ;regular file
872
7022ba865cfd Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents: 871
diff changeset
349 lea menu_port+8, a3
7022ba865cfd Initial work for allowing loading a ROM from menu
Michael Pavone <pavone@retrodev.com>
parents: 871
diff changeset
350 move.l a2, (a3)
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
351 rts
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
352 .select_menu_button:
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
353 movea.l menu_functions.w, a2
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
354 move.l (0, a2, d0.w), a2
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
355 addq #6, a7
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
356 jmp (a2)
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
357 enter_dir:
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
358 lea menu_port+4, a3
869
4298db923cf8 Fix detection of directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 868
diff changeset
359 move.l a2, (a3)
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
360 .wait_complete
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
361 tst.w (a3)
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
362 bne .wait_complete
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
363 addq #6, a7
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
364 bra menu_start
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
365
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
366 handle_mouse:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
367 move.b last_mbuttons.w, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
368 eor.b d3, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
369 and.b d3, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
370 move.b d3, last_mbuttons.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
371
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
372 move.b d0, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
373 or.b d1, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
374 beq .no_mouse_move
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
375
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
376
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
377 tst.b mouse_shown.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
378 bne .skip_show_check
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
379
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
380 moveq #0, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
381 move.b num_sprites.w, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
382 move.w d2, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
383 lsl.w #3, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
384 lea sprite_list.w, a2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
385 move.b d2, (-5, a2, d4.w)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
386 lea (0, a2, d4.w), a2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
387 move.l a2, mouse_sprite.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
388 move.l #$01000500, (a2)+
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
389 move.w #$8083, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
390 move.w #$100, mouse_x.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
391 addq #1, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
392 move.b d2, num_sprites.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
393
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
394 move.b #1, mouse_shown.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
395
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
396 .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
397 neg.w d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
398 move.l mouse_sprite.w, a2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
399 add.w d1, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
400 add.w d0, mouse_x.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
401 move.w mouse_x.w, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
402 asr.w #1, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
403 move.w d0, (6, a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
404 move.w (a2), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
405 cmp.w #272, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
406 blo .done
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
407 cmp.w #655, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
408 bhi .done
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
409 and.w #$FFF0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
410 subq #8, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
411 move.w d1, (sprite_list).w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
412 move.w d1, (sprite_list+8).w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
413
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
414 sub.w #264, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
415 lsr.w #4, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
416 move.b d1, selected.w
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
417 .no_mouse_move
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
418 btst #0, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
419 bne select_entry
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
420 .done
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
421 rts
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
422 int_4:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
423 empty_handler:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
424 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
425
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
426 id_lookup:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
427 dc.b $0, $1, $4, $5
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
428 dc.b $2, $3, $6, $7
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
429 dc.b $8, $9, $C, $D
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
430 dc.b $A, $B, $E, $F
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
431
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
432 io_read:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
433 ;read TH=1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
434 move.b (a2), d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
435 ;read TH=0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
436 move.b #0, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
437 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
438 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
439 move.b (a2), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
440 ;reset TH to 1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
441 move.b #$40, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
442
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
443 moveq #0, d2 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
444
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
445 ;calculate Mega Drive peripheral ID
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
446 move.b d1, d2 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
447 lsr.b #1, d2 ;8, 12
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
448 or.b d1, d2 ;4, 16
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
449 and.b #5, d2 ;8, 24
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
450
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
451 move.b d0, d3 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
452 add.b d3, d3 ;4, 8
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
453 or.b d0, d3 ;4, 12
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
454 and.b #$A, d3 ;8, 20
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
455
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
456 or.b d3, d2 ;4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
457 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
458
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
459
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
460 cmp.b #$3, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
461 beq .mouse
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
462
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
463 cmp.b #$D, d2
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
464 bne .not_pad
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
465
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
466 and.b #$3F, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
467 and.b #$30, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
468 add.b d1, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
469 add.b d1, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
470 or.b d1, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
471 not.b d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
472 rts
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
473 .not_pad:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
474 moveq #0, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
475 rts
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
476
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
477 .mouse:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
478
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
479 move.b #$60, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
480 move.b #$60, (PAD1_CTRL-PAD1_DATA, a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
481 move.b #$60, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
482
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
483 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
484 wait_hi_init:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
485 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
486 beq wait_hi_init
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
487 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
488 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
489 move.b #$20, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
490 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
491 nop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
492 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
493 move.b #0, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
494 .wait_lo
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
495 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
496 bne .wait_lo
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
497 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
498 move.b #$20, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
499 .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
500 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
501 beq .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
502
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
503 lea mouse_buf.w, a3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
504 move.l a3, a4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
505 moveq #2, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
506 moveq #0, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
507 loop:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
508 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
509 move.b #0, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
510 .wait_lo
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
511 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
512 bne .wait_lo
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
513 move.b (a2), d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
514 lsl.b #4, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
515 moveq #$f, d4
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
516 move.b #$20, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
517 .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
518 btst #4, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
519 beq .wait_hi
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
520 move.b (a2), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
521 and.b #$f, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
522 or.b d1, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
523 move.b d0, (a3)+
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 dbra d3, loop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
526
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
527 ;end request
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
528 move.b #$60, (a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
529
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
530
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
531 ;massage data
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
532 moveq #0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
533 move.b d0, d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
534 move.b (a4)+, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
535 move.b (a4), d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
536
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
537 btst #4, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
538 beq xpos
910
c030e4af32b7 Mouse X and Y are 9-bit 2's complement not 8-bit magnitude + sign bit like I thought. Fixed mouse Y direction.
Michael Pavone <pavone@retrodev.com>
parents: 909
diff changeset
539 or.w #$FF00, d0
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
540 xpos
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
541 btst #5, d3
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
542 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
543 or.w #$FF00, d1
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
544 ypos
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
545 ;set port config back to normal controller mode
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
546 move.b #$40, (PAD1_CTRL-PAD1_DATA, a2)
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
547 rts
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
548
925
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
549 topcorner equ (button-font)/64 + 32
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
550 topmiddle equ topcorner+1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
551 botcorner equ topmiddle+1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
552 botmiddle equ botcorner+1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
553 horiz_flip equ $800
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
554 vert_flip equ $1000
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
555
925
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
556 ; draws a button
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
557 ; d0.w - x in cells
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
558 ; d1.w - y in cells
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
559 ; d2.w - width in cells
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
560 ;
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
561 ; clobbers a6
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
562 draw_button:
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
563 ;multiply x by 2
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
564 add.w d0, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
565 ;multiply y by 128
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
566 lsl.w #7, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
567 add.w d1, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
568 add.w #$A000, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
569 move.w d0, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
570 and.w #$3FFF, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
571 rol.w #2, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
572 and.w #3, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
573 ori.w #(VDP_VRAM_WRITE >> 16), d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
574 swap d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
575 move.w d1, d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
576 move.l d0, (a1)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
577 move.w d2, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
578 ;top left corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
579 move.w #topcorner, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
580 subq #3, d1
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
581 bmi .notopmiddle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
582 .toploop:
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
583 ;top middle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
584 move.w #topmiddle, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
585 dbra d1, .toploop
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
586 .notopmiddle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
587 ;top right corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
588 move.w #(topcorner | horiz_flip), (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
589 ;go to next row in name table
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
590 add.l #((2*64) << 16), d0
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
591 move.l d0, (a1)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
592 ;bottom left corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
593 move.w #botcorner, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
594 subq #3, d2
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
595 bmi .nomiddlebot
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
596 .botloop:
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
597 ;bottom middle
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
598 move.w #botmiddle, (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
599 dbra d2, .botloop
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
600 .nomiddlebot
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
601 ;bottom right corner
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
602 move.w #(botcorner | horiz_flip), (a0)
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
603 rts
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
604
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
605 ;a5 - menu pointer
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
606 ;d6 - initial Y position of menu
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
607 draw_menu:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
608 moveq #0, d7
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
609 moveq #0, d5
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
610 ;select first item
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
611 move.b d7, selected.w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
612 ;save menu pointer for second pass
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
613 movea.l a5, a4
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
614 .lenloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
615 tst.b (a5)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
616 beq .lendone
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
617 addq #1, d5
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
618 movea.l a5, a6
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
619 bsr strlen
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
620 cmp.w d7, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
621 blo .nochange
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
622 move.w d0, d7
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
623 .nochange
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
624 lea (1, a5, d0.w), a5
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
625 bra .lenloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
626 .lendone
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
627
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
628 addq #2, d7
944
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
629 move.b d5, num_menu.w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
630
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
631 ;calculate X position
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
632 move.w d7, d4
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
633 lsr.w #1, d4
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
634 moveq #20, d5
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
635 sub.w d4, d5
943
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
636 ;calculate left arrow X
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
637 move.w d5, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
638 lsl.w #3, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
639 add.w #(128-24), d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
640 move.w d4, (sprite_list+6).w
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
641 ;calculate right arrow x
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
642 move.w d7, d3
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
643 lsl.w #3, d3
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
644 add.w d3, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
645 add.w #32, d4
05229aa23b00 Adjust arrow X positions in menu
Michael Pavone <pavone@retrodev.com>
parents: 942
diff changeset
646 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
647 ;update left arrow Y
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
648 move.w d6, d4
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
649 lsl.w #4, d4
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
650 add.w #256, d4
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
651 move.w d4, (sprite_list).w
10dd8c04cbbc Handle up down buttons when in a menu
Michael Pavone <pavone@retrodev.com>
parents: 943
diff changeset
652 move.w d4, (sprite_list+8).w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
653 ;restore menu pointer
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
654 movea.l a4, a5
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
655 .drawloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
656 tst.b (a5)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
657 beq .done
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
658 ;x pos
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
659 move.w d5, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
660 ;y pos
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
661 move.w d6, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
662 ;width
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
663 move.w d7, d2
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
664 bsr draw_button
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
665
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
666 movea.l a5, a6
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
667 bsr strlen
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
668 movea.l a5, a6
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
669 lea (1, a5, d0.w), a5
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
670 ;x pos
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
671 move.w d7, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
672 lsr.w #1, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
673 add.w d5, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
674 lsr.w #1, d0
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
675 sub.w d0, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
676 ;y pos
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
677 move.w d6, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
678 ;base attribute
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
679 move.w #$206B, d0
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
680 bsr print_string_fixed
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
681
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
682 addq #3, d6
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
683 bra .drawloop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
684 .done
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
685 rts
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
686
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
687 clear_screen:
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
688 ;clear name tables
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
689 vdpaccess $8000, VDP_VRAM_WRITE
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
690 moveq #32, d0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
691 swap d0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
692 move.b #32, d0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
693 move.w #(64*64-1), d1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
694 ploop:
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
695 move.l d0, (a0)
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
696 dbra d1, ploop
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
697 rts
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
698
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
699 initial_regs:
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
700 vdpreg MODE_2, $4 ;Mode 5, everything turned off
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
701 vdpreg MODE_1, $4
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
702 vdpreg SCROLL_A, $20 ;Scroll a table $8000
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
703 vdpreg SCROLL_B, $05 ;Scroll b table $A000
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
704 vdpreg SAT, $60 ;SAT table $C000
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
705 vdpreg BG_COLOR, 0
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
706 vdpreg HINT, $FF
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
707 vdpreg MODE_3, 0 ;full screen scroll
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
708 vdpreg MODE_4, $87 ;40 cell mode, double-res interlace
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
709 vdpreg HSCROLL, 0
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
710 vdpreg AUTOINC, 2
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
711 vdpreg SCROLL, 1 ;64x32 scroll size
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
712 end_initial_regs
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
713
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
714 start:
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
715 lea $FF0000, a0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
716 moveq #0, d0
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
717 move.w #($10000/8 - 1), d1
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
718 .clearloop:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
719 move.l d0, (a0)+
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
720 move.l d0, (a0)+
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
721 dbra d1, .clearloop
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
722
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
723 lea $C00000, a0
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
724 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
725
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
726 moveq #(end_initial_regs-initial_regs-1), d0
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
727 lea initial_regs.w, a2
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
728 .regloop
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
729 move.w (a2)+, (a1)
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
730 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
731
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
732 vdpaccess $0, VDP_CRAM_WRITE
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
733 move.w #$020, (a0)
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
734 move.w #$EEE, (a0)
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
735 move.w #$222, (a0)
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
736
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
737 ;init scroll table
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
738 vdpaccess $0, VDP_VRAM_WRITE
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
739 move.w #0, (a0)
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
740 move.w #0, (a0)
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
741
946
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
742
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
743 ;load tiles
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
744 vdpaccess $800, VDP_VRAM_WRITE
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
745 lea font(pc), a2
925
a3b08915624b WIP menu button stuff
Michael Pavone <pavone@retrodev.com>
parents: 917
diff changeset
746 move.w #((buttonend-font)/4 - 1), d0
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
747 tloop:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
748 move.l (a2)+, (a0)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
749 dbra d0, tloop
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
750 move.w #((fontfixedend-fontfixed)/4 - 1), d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
751 dtloop:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
752 move.l (a2)+, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
753 move.l d1, (a0)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
754 move.l d1, (a0)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
755 dbra d0, dtloop
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
756
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
757
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
758 ;setup SAT
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
759 ;;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
760
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
761 lea sprite_list.w, a2
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
762 ;left arrow
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
763 move.l #$01080501, (a2)+
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
764 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
765
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
766 ;right arrow
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
767 move.l #$01080500, (a2)+
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
768 move.l #$887F01AA, (a2)+
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
769 move.b #2, num_sprites.w
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
770
946
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
771 show_main_menu:
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
772 bsr clear_screen
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
773 ;init vertical scroll RAM
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
774 vdpaccess $0, VDP_VSRAM_WRITE
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
775 move.w #-4, (a0)
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
776 move.w #0, (a0)
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
777
946
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
778 moveq #8, d6
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
779 move.l #main_menu_func, menu_functions.w
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
780 lea main_menu(pc), a5
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
781 bsr draw_menu
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
782 bra gamepad_setup
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
783
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
784
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
785 menu_start:
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
786 ;init vertical scroll RAM
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
787 vdpaccess $0, VDP_VSRAM_WRITE
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
788 move.w #0, (a0)
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
789 move.w #0, (a0)
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
790
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
791 ;reset arrow position
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
792 move.w #$0108, sprite_list.w
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
793 move.w #$0108, (sprite_list + 8).w
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
794 move.w #$0086, (sprite_list + 6).w
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
795 move.w #$01AA, (sprite_list + 6 + 8).w
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
796
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
797 ;reset selection
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
798 move.b #0, selected.w
866
69a6ec208111 Menu ROM now pulls real file names from the OS rather than using a fake list
Michael Pavone <pavone@retrodev.com>
parents: 827
diff changeset
799
946
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
800
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
801 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
802 lea dir_buffer, a6
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
803 move.l a6, (a5)+
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
804 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
805 lea menu_port, a2
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
806 move.l a6, (a2)
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
807
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
808 wait_complete:
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
809 tst.w (a2)
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
810 bne wait_complete
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
811
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
812 render_page:
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
813 bsr clear_screen
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
814
946
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
815 ;clear menu state
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
816 move.b #0, num_menu.w
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
817
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
818 ;init scroll table
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
819 vdpaccess $0, VDP_VRAM_WRITE
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
820 move.w #0, (a0)
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
821 move.w #4, (a0)
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
822
946
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
823 move.l #$40860002, d3
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
824 move.l d3, (a1)
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
825 move.l d3, base_cmd.w
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
826
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
827
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
828 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
829 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
830 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
831 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
832 tst.b (a6)+
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
833 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
834 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
835
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
836 ;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
837 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
838 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
839 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
840 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
841 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
842 .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
843 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
844 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
845 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
846 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
847 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
848 normal:
868
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
849 ;save entry pointer to page index
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
850 move.l a6, (a3)+
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
851 ;print name on screen
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
852 moveq #0, d0
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
853 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
854 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
855
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
856 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
857 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
858
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
859 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
860 ;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
861 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
862 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
863 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
864
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
865 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
866 tst.b (a6)
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
867 beq done_files
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
868 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
869 done_files:
871
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
870 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
871 move.l a6, (a5)+
f364f4f22f8f Allow navigation between pages for long directories in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 869
diff changeset
872 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
873
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
874 ;null terminate page_index
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
875 moveq #0, d0
1bab7e01ae98 Allow directory navigation in menu. Sort directory entries
Michael Pavone <pavone@retrodev.com>
parents: 866
diff changeset
876 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
877
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
878 gamepad_setup:
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
879 ;setup gamepads
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
880 move.b #$40, PAD1_CTRL
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
881 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
882
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
883 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
884
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
885
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
886 wait_forever
814
109ac52ffecd Menu cleanup with macros
Michael Pavone <pavone@retrodev.com>
parents: 791
diff changeset
887 stop #2500
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
888 bra wait_forever
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
889
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
890 show_about:
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
891 bsr clear_screen
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
892 moveq #1, d7
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
893 lea about_text(pc), a6
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
894 ;base attribute
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
895 move.w #$006B, d0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
896 .loop
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
897 tst.b (a6)
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
898 beq .done
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
899 ;x pos
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
900 moveq #1, d1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
901 ;y pos
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
902 move.w d7, d2
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
903 bsr print_string_fixed
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
904 addq #1, d7
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
905 bra .loop
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
906 .done
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
907 moveq #8, d6
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
908 move.l #about_menu_func, menu_functions.w
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
909 lea about_menu(pc), a5
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
910 bsr draw_menu
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
911 .wait
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
912 stop #2500
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
913 bra .wait
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
914
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
915 exit:
949
5e4fb650de58 Make Exit option in menu work
Michael Pavone <pavone@retrodev.com>
parents: 946
diff changeset
916 move.w #1, menu_port+12
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
917 bra exit
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
918
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
919 about_text:
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
920 dc.b "BlastEm v0.4.0", 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
921 dc.b "Copyright 2011-2016 Michael Pavone", 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
922 dc.b " ", 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
923 dc.b "BlastEm is a high performance, open", 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
924 dc.b "source (GPLv3) Genesis/Megadrive", 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
925 dc.b "emulator.",0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
926 dc.b 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
927
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
928
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
929 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
930 dc.b $A, 0
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
931
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
932 align 1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
933
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
934 ;Prints a null terminated string
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
935 ;a6 - pointer to string
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
936 ;a0 - VDP data port
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
937 ;d0 - base tile attribute
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
938 ;
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
939 ;Clobbers: d1.w, d2.w, d3.l
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
940 print_string:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
941 lea widths(pc), a5
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
942 move.w x_pos.w, d2
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
943 move.l base_cmd.w, d3
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
944 .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
945 moveq #0, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
946 move.b (a6)+, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
947 beq .end
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
948 cmp.b #$A, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
949 beq .newline
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
950 tst.b (-32, a5, d1.w)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
951 beq .narrow
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
952 add.w d0, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
953 move.w d1, (a0)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
954 addq #2, d2
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
955 bra .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
956 .narrow
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
957 add.w d0, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
958 move.w d1, (a0)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
959 addq #1, d2
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
960 move.l d2, d1
791
60686f8d5e48 Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents: 790
diff changeset
961 ;switch to other plane
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
962 and.w #$FFFE, d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
963 swap d1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
964 eor.l #$20000000, d3
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
965 add.l d3, d1
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
966 move.l d1, (a1)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
967 bra .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
968 .newline
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
969 moveq #0, d2
791
60686f8d5e48 Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents: 790
diff changeset
970 ;switch back to plane A
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
971 and.l #$DFFFFFFF, d3
791
60686f8d5e48 Add a couple of comments to menu.s68
Michael Pavone <pavone@retrodev.com>
parents: 790
diff changeset
972 ;skip to next row
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
973 add.l #$00800000, d3
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
974 move.l d3, (a1)
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
975 bra .loop
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
976 .end
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
977 move.w d2, x_pos.w
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
978 move.l d3, base_cmd.w
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
979 rts
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
980
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
981 ;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
982 ;a6 - pointer to string
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
983 ;a0 - VDP data port
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
984 ;d0 - base tile attribute
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
985 ;d1 - x col
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
986 ;d2 - y col
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
987 ;
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
988 print_string_fixed:
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
989 ;multiply x by 2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
990 add.w d1, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
991 ;multiply y by 128
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
992 lsl.w #7, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
993 add.w d2, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
994 add.w #$8000, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
995 move.w d1, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
996 and.w #$3FFF, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
997 rol.w #2, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
998 and.w #3, d2
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
999 ori.w #(VDP_VRAM_WRITE >> 16), d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
1000 swap d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
1001 move.w d2, d1
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
1002 move.l d1, (a1)
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1003 .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1004 moveq #0, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1005 move.b (a6)+, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1006 beq .end
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1007 add.w d0, d1
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1008 move.w d1, (a0)
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1009 bra .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1010 .end
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1011 rts
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1012
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1013 ;Returns string length in d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1014 ;a6 - pointer to string
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1015 strlen:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1016 moveq #-1, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1017 .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1018 addq #1, d0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1019 tst.b (a6)+
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1020 bne .loop
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1021 rts
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1022
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1023 align 1
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1024 font:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1025 incbin font_interlace_variable.tiles
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1026 fontend
827
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
1027 arrow:
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
1028 incbin arrow.tiles
35f5658d141f Add selection arrow to menu
Michael Pavone <pavone@retrodev.com>
parents: 814
diff changeset
1029 arrowend:
909
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
1030 cursor:
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
1031 incbin cursor.tiles
e60eb88d7b09 Added mouse support to menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 872
diff changeset
1032 cursorend:
917
f057975212e9 Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
1033 button:
f057975212e9 Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
1034 incbin button.tiles
f057975212e9 Added button graphic for menu
Michael Pavone <pavone@retrodev.com>
parents: 910
diff changeset
1035 buttonend:
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1036 fontfixed:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1037 incbin font.tiles
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1038 fontfixedend:
789
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1039
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1040 widths:
41e83b38bdc8 Initial work on silly Genesis based menu
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1041 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
1042 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
1043 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
1044 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
1045 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
1046
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1047 main_menu:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1048 dc.b "Load ROM", 0
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
1049 dc.b "About", 0
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1050 dc.b "Exit", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1051 dc.b 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1052
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1053 align 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1054 main_menu_func:
946
6b90ec50daf3 Get "Load ROM" menu option working correctly
Michael Pavone <pavone@retrodev.com>
parents: 945
diff changeset
1055 dc.l menu_start
945
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1056 dc.l show_about
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1057 dc.l exit
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1058
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1059 about_menu:
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1060 dc.b "Return", 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1061 dc.b 0
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1062
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1063 align 1
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1064 about_menu_func:
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1065 dc.l show_main_menu
67f738bda7e2 Working about menu
Michael Pavone <pavone@retrodev.com>
parents: 944
diff changeset
1066
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1067 pause_menu:
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1068 dc.b "Resume", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1069 dc.b "Load ROM", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1070 dc.b "Save State", 0
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1071 dc.b "Load State", 0
942
74bb286e6174 Draw button labels
Michael Pavone <pavone@retrodev.com>
parents: 941
diff changeset
1072 dc.b "Exit", 0
941
c96647630320 WIP buttons in menu ROM
Michael Pavone <pavone@retrodev.com>
parents: 932
diff changeset
1073 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
1074
790
e8b14d5a5b5a Add something resembling a proper header
Michael Pavone <pavone@retrodev.com>
parents: 789
diff changeset
1075 rom_end: