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annotate gen_test_hv.s68 @ 1374:8f404b1fa572

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Go back to resetting the refresh counter after a DMA. Probably not quite correct as it is probably reset on VDP triggered refresh, but this is close enough for now given the general limitations with my refresh code. VDP FIFO Testing seems to be passing 100% reliably again (was occassionally failing still with the last commit)
author Michael Pavone <pavone@retrodev.com>
date Tue, 23 May 2017 23:47:40 -0700
parents c86f27f5c5a6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
649
c86f27f5c5a6 Added HV counter test ROM source
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diff changeset
1 dc.l $0, start
c86f27f5c5a6 Added HV counter test ROM source
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2 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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3 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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4 ;$10
c86f27f5c5a6 Added HV counter test ROM source
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5 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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6 dc.l empty_handler
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7 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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8 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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9 ;$20
c86f27f5c5a6 Added HV counter test ROM source
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10 dc.l empty_handler
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11 dc.l empty_handler
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12 dc.l empty_handler
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13 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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14 ;$30
c86f27f5c5a6 Added HV counter test ROM source
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15 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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16 dc.l empty_handler
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17 dc.l empty_handler
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18 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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19 ;$40
c86f27f5c5a6 Added HV counter test ROM source
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20 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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21 dc.l empty_handler
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22 dc.l empty_handler
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23 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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24 ;$50
c86f27f5c5a6 Added HV counter test ROM source
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25 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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26 dc.l empty_handler
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27 dc.l empty_handler
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28 dc.l empty_handler
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29 ;$60
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30 dc.l empty_handler
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31 dc.l empty_handler
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32 dc.l empty_handler
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33 dc.l empty_handler
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34 ;$70
c86f27f5c5a6 Added HV counter test ROM source
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35 dc.l int_4
c86f27f5c5a6 Added HV counter test ROM source
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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 ;$90
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45 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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46 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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47 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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48 dc.l empty_handler
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49 ;$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 ;$B0
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55 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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56 dc.l empty_handler
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57 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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58 dc.l empty_handler
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59 ;$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
c86f27f5c5a6 Added HV counter test ROM source
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63 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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64 ;$D0
c86f27f5c5a6 Added HV counter test ROM source
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65 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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66 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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67 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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68 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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69 ;$E0
c86f27f5c5a6 Added HV counter test ROM source
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70 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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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
c86f27f5c5a6 Added HV counter test ROM source
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78 dc.l empty_handler
c86f27f5c5a6 Added HV counter test ROM source
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79 dc.b "SEGA"
c86f27f5c5a6 Added HV counter test ROM source
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80 empty_handler:
c86f27f5c5a6 Added HV counter test ROM source
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81 int_6:
c86f27f5c5a6 Added HV counter test ROM source
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82 rte
c86f27f5c5a6 Added HV counter test ROM source
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83 int_4:
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84 move.w (a2), d0
c86f27f5c5a6 Added HV counter test ROM source
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diff changeset
85 ori.w #$8000, d0
c86f27f5c5a6 Added HV counter test ROM source
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86 move.w d0, (a4)+
c86f27f5c5a6 Added HV counter test ROM source
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87 rte
c86f27f5c5a6 Added HV counter test ROM source
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88
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89 start:
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diff changeset
90 lea $C00000, a0
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91 lea $C00004, a1
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92 move.w #$8104, (a1) ;Mode 5, everything turned off
c86f27f5c5a6 Added HV counter test ROM source
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diff changeset
93 move.w #$8004, (a1)
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94 move.w #$8220, (a1) ;Scroll a table $8000
c86f27f5c5a6 Added HV counter test ROM source
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95 move.w #$8404, (a1) ;Scroll b table $8000
c86f27f5c5a6 Added HV counter test ROM source
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96 move.w #$8560, (a1) ;SAT table $C000
c86f27f5c5a6 Added HV counter test ROM source
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97 move.w #$8700, (a1) ;backdrop color 0
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98 move.w #$8B00, (a1) ;full screen scroll
c86f27f5c5a6 Added HV counter test ROM source
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99 move.w #$8C81, (a1) ;40 cell mode, no interlace
c86f27f5c5a6 Added HV counter test ROM source
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100 move.w #$8C81, (mode).w
c86f27f5c5a6 Added HV counter test ROM source
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101 move.w #$8D00, (a1) ;hscroll table at 0
c86f27f5c5a6 Added HV counter test ROM source
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102 move.w #$8F02, (a1) ;autoinc 2
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103 move.w #$9011, (a1) ;64x64 scroll size
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104 move.l #$C0000000, (a1)
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105 move.w #$000, (a0)
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106 move.w #$EEE, (a0)
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107
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108 ;clear scroll table
c86f27f5c5a6 Added HV counter test ROM source
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109 move.l #$40000000, (a1)
c86f27f5c5a6 Added HV counter test ROM source
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diff changeset
110 move.l #0, (a0)
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111
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112 ;load tiles
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113 move.l #$44000000, (a1)
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114 lea font(pc), a2
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115 move.w #((fontend-font)/4 - 1), d0
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116 tloop:
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117 move.l (a2)+, (a0)
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118 dbra d0, tloop
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119
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120
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121
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Michael Pavone <pavone@retrodev.com>
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122 ;clear name table
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diff changeset
123 move.l #$40000002, (a1)
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124 moveq #32, d0
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125 move.w #(64*64-1), d1
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126 ploop:
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127 move.w d0, (a0)
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128 dbra d1, ploop
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129
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130
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131 lea $FF0000, a4
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132 move.b #$40, (a4, 6)
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133 move.w #$8144, (a1) ;enable display
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134 move #$2300, sr
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Michael Pavone <pavone@retrodev.com>
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135
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136 lea (4, a1), a2 ;hv counter line address
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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diff changeset
137 lea (2, a1), a3 ;second contro/status address
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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138
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Michael Pavone <pavone@retrodev.com>
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139 move.b #254, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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140 init_wait:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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141 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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diff changeset
142 beq init_wait
c86f27f5c5a6 Added HV counter test ROM source
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143
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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diff changeset
144 top:
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Michael Pavone <pavone@retrodev.com>
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diff changeset
145 move.b #254, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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diff changeset
146 lea $FF0000, a4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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147 move.w #$8F00, (a1) ;autoinc of 0
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diff changeset
148 move.l #$40040000, (a1) ;unused VRAM address
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
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149 wait_active:
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150 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151 bne.s wait_active
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 move.l #$8A718014, (a1) ;enable Hints
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 ;sync to VDP by attempting to fill FIFO
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 ;being in vblank makes this a bit difficult
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 rept 8
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 endr
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 ;sample data for vblank flag off
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 rept 82 ;two lines worth of move.l
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 move.l (a3), (a4)+
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 endr
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 move.l a4, a5 ;save end of first buffer
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 move.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 wait_new_line:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172 beq.s wait_new_line
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174 ;sync to VDP by filling FIFO
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 move.w d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 ;sample data for line change HV value
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180 rept 45 ;one line worth of move.l
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 move.l (a2), (a4)+
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 endr
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 move.l a4, usp ;save end of second buffer
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 moveq #$70, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187 wait_hint_line:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 bne.s wait_hint_line
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 ;sample data for line change HV value
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 rept 45 ;one line worth of move.l
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 move.l (a2), (a4)+
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 endr
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
195
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
196 move.l a4, a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
197
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
198 move.b #223, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 wait_inactive:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200 cmp.b (a2), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 bne.s wait_inactive
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 ;sync to VDP by filling FIFO
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205 move.l d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 move.w d0, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208 ;sample data for vblank on
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 rept 82 ;two lines worth of move.l
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 move.l (a3), (a4)+
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
211 endr
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
212
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
213 move.l #$8AFF8004, (a1) ;disable Hints
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 rsset $FFFF8000
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 vblank_start_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 vblank_start_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218 vblank_end_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 vblank_end_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 hblank_start_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 hblank_start_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 hblank_end_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 hblank_end_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 line_change_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 line_change_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 hint_min rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 hint_max rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228 mode rs.w 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 printed_hv_dump rs.b 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230 button_state rs.b 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 lea $FF0001, a4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
233 .loop:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234 btst.b #3, (a4)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 beq.s found_vblank_off
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 move.w 1(a4), d6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
237 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
238 bra.s .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 found_vblank_off:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
241 move.w (vblank_end_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 cmp.w d0, d6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
244 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 move.w d6, (vblank_end_max).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 move.w 1(a4), d6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 move.w (vblank_end_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
254 cmp.w d0, d6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
255 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
257 move.w d6, (vblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
258 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
260 lea $FF0001, a4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
261 ;first find a point where HBLANK is not set
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
262 bra.s .start
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
263 .loop:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
264 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
265 .start
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
266 btst.b #2, (a4)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
267 bne.s .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
268
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
269 ;then find a point after that where it switches to on
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
270 .loop2:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
271 btst.b #2, (a4)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
272 bne.s found_hblank_on
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
273 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
274 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 bra.s .loop2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 found_hblank_on:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
278 move.w (hblank_start_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
280 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
281 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
283 move.w d5, (hblank_start_max).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
284 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
285
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
286
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
287 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
288
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
289 move.w (hblank_start_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
290 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
291 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
292 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
293 .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
294 move.w d5, (hblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
295 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
296
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
297 ;finally find a point after that where it switches back off
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
298 .loop2:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
299 btst.b #2, (a4)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
300 beq.s found_hblank_off
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
301 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
302 addq #4, a4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
303 bra.s .loop2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
304 found_hblank_off:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
305
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
306 move.w (hblank_end_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
307 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
308 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
309 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
310 .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
311 move.w d5, (hblank_end_max).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
312 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
313
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
314
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
315 move.w 1(a4), d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
316
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
317 move.w (hblank_end_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
318 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
319 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
320 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
321 .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
322 move.w d5, (hblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
323 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
324
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
325 move.l a5, a4 ;save line change buffer for later
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
326 move.b (a5), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
327 .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
328 move.w (a5), d7
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
329 addq #2, a5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
330 cmp.b (a5), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
331 beq .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
332 found_line_change:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
333
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
334 move.w (line_change_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
335 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
336 cmp.w d0, d7
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
337 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
338 .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
339 move.w d7, (line_change_max).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
340 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
341
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
342 move.w (a5), d7
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
343
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
344 move.w (line_change_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
345 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346 cmp.w d0, d7
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
347 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
348 .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
349 move.w d7, (line_change_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
350 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
351
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
352 addq #1, a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
353 .loop:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
354 btst.b #3, (a6)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
355 bne.s found_vblank_on
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
356 move.w 1(a6), d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
357 addq #4, a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
358 bra.s .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
359 found_vblank_on:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
360
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
361 move.w (vblank_start_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
362 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
363 cmp.w d0, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
364 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
365 .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
366 move.w d5, (vblank_start_max).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
367 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
368
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
369 move.w 1(a6), d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
370
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
371 move.w (vblank_start_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
372 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
373 cmp.b d0, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
374 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
375 .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
376 move.w d5, (vblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
377 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
378
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
379 move usp, a5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
380 .loop:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
381 btst.b #7, (a5)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
382 bne.s found_hint
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
383 move.w (a5), d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
384 addq #2, a5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
385 bra.s .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
386 found_hint:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
387
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
388 move.w (hint_max).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
389 beq .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
390 cmp.w d0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
391 blo .no_new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
392 .new_max
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
393 move.w d1, (hint_max).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
394 .no_new_max:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
395
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
396 move.w (a5), d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
397 and.w #$7FFF, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
398
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
399 move.w (hint_min).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
400 beq .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
401 cmp.b d0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
402 bhi .no_new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
403 .new_min
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
404 move.w d1, (hint_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
405 .no_new_min:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
406
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
407 draw_info:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
408 ;draw data
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
409 move.w #$8F02, (a1) ;autoinc of 2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
410 move.l #$40840002, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
411
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
412 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
413 lea VBlankStart(pc), a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
414 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
415
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
416
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
417 move.w (vblank_start_max), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
418 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
419 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
420
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
421 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
422 move.w d5, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
423 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
424
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
425 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
426 move.w (vblank_start_min), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
427 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
428
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
429 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
430 move.l #$41040002, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
431 lea VBlankEnd(pc), a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
432 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
433
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
434 ;max value before vblank end
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
435 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
436 move.w (vblank_end_max), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
437 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
438
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
439 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
440 move.w d6, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
441 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
442
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
443 ;min value after vblank end
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
444 move.w (vblank_end_min), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
445 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
446 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
447
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
448 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
449 move.l #$41840002, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
450 lea LineChange(pc), a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
451 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
452
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
453 move.w (line_change_max), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
454 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
455 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
456
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
457 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
458 move.w d7, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
459 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
460
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
461 move.w (line_change_min), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
462 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
463 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
464
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
465 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
466 move.l #$42040002, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
467 lea HBlankStart(pc), a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
468 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
469
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
470 move.w (hblank_start_max), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
471 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
472 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
473
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
474 move.w (hblank_start_min), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
475 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
476 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
477
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
478 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
479 move.l #$42840002, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
480 lea HBlankEnd(pc), a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
481 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
482
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
483 move.w (hblank_end_max), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
484 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
485 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
486
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
487 move.w (hblank_end_min), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
488 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
489 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
490
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
491 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
492 move.l #$43040002, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
493 lea HInterrupt(pc), a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
494 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
495
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
496 move.w (hint_max), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
497 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
498 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
499
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
500 move.w (hint_min), d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
501 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
502 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
503
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
504 ;read pad
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
505 move.b #$40, $A10003
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
506 move.b $A10003, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
507 move.b #$00, $A10003
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
508 and.b #$3f, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
509 move.b $A10003, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
510 and.b #$30, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
511 lsl.b #2, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
512 or.b d1, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
513 not.b d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
514 move.b (button_state).w, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
515 eor.b d0, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
516 and.b d0, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
517 move.b d2, d3 ;d3 contains newly pressed buttons, SACBRLDU
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
518 move.b d0, (button_state).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
519
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
520 btst.l #7, d3
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
521 beq not_pressed
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
522
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
523 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
524 move.l d0, (vblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
525 move.l d0, (vblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
526 move.l d0, (hblank_start_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
527 move.l d0, (hblank_end_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
528 move.l d0, (line_change_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
529 move.l d0, (hint_min).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
530 move.b d0, (printed_hv_dump).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
531 move.w (mode).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
532 eor.w #$81, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
533 move.w d0, (mode).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
534 move.w d0, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
535 bra top
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
536
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
537 not_pressed
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
538
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
539 move.b (printed_hv_dump).w, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
540 bne top
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
541 move.b #1, (printed_hv_dump).w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
542
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
543 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
544 moveq #89, d4
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
545 moveq #6, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
546 move.l #$45820002, d6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
547 move.l d6, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
548
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
549 print_loop:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
550 dbra d5, .no_line_change
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
551 ;#$45820002
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
552 add.l #$00800000, d6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
553 move.l d6, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
554 moveq #5, d5
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
555 .no_line_change
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
556 move.w #32, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
557 move.w (a4)+, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
558 bsr print_hexw
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
559 dbra d4, print_loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
560
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
561 add.l #$01020000, d6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
562 move.l d6, (a1)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
563 moveq #0, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
564 lea Instructions(pc), a6
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
565 bsr print_string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
566
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
567 bra top
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
568
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
569 VBlankStart:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
570 dc.b "VBlank Start: ", 0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
571 VBlankEnd:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
572 dc.b "VBlank End: ", 0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
573 LineChange:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
574 dc.b "Line Change: ", 0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
575 HBlankStart:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
576 dc.b "HBlank Start: ", 0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
577 HBlankEnd:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
578 dc.b "HBlank End: ", 0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
579 HInterrupt:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
580 dc.b "HInterrupt: ", 0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
581 Instructions:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
582 dc.b "Press Start to switch modes", 0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
583
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
584 align 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
585 ;Prints a number in hex format
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
586 ;d0.w - number to print
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
587 ;d1.w - base tile attribute
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
588 ;a0 - VDP data port
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
589 ;
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
590 ;Clobbers: d2.l, d3.l
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
591 ;
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
592 print_hexw:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
593 moveq #3, d3
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
594 .digitloop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
595 rol.w #4, d0
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
596 moveq #$F, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
597 and.b d0, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
598 cmp.b #$A, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
599 bge .hex
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
600 add.w #$30, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
601 bra .makeattrib
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
602 .hex
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
603 add.w #($41-$A), d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
604 .makeattrib
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
605 add.w d1, d2
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
606 move.w d2, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
607 dbra d3, .digitloop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
608 rts
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
609
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
610 ;Prints a null terminated string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
611 ;a6 - pointer to string
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
612 ;a0 - VDP data port
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
613 ;d0 - base tile attribute
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
614 ;
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
615 ;Clobbers: d1.w
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
616 print_string:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
617 .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
618 moveq #0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
619 move.b (a6)+, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
620 beq .end
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
621 add.w d0, d1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
622 move.w d1, (a0)
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
623 bra .loop
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
624 .end
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
625 rts
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
626
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
627 align 1
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
628 font:
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
629 incbin font.tiles
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
630 fontend
c86f27f5c5a6 Added HV counter test ROM source
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
631