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annotate vdp.c @ 20:f664eeb55cb4

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Mostly broken VDP core and savestate viewer
author Mike Pavone <pavone@retrodev.com>
date Sat, 08 Dec 2012 02:00:54 -0800
parents
children 72ce60cb1711
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rev   line source
20
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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1 #include "vdp.h"
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2 #include <stdlib.h>
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3 #include <string.h>
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4
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5 #define MCLKS_LINE 3420
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6 #define NTSC_ACTIVE 225
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7 #define PAL_ACTIVE 241
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8 #define BUF_BIT_PRIORITY 0x40
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9 #define MAP_BIT_PRIORITY 0x8000
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10 #define MAP_BIT_H_FLIP 0x800
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11 #define MAP_BIT_V_FLIP 0x1000
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12
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13 #define BIT_PAL 0x8
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14 #define BIT_H40 0x1
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15
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16 void init_vdp_context(vdp_context * context)
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17 {
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18 memset(context, 0, sizeof(context));
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19 context->vdpmem = malloc(VRAM_SIZE);
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20 context->framebuf = malloc(FRAMEBUF_SIZE);
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21 context->linebuf = malloc(LINEBUF_SIZE + 48);
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22 context->tmp_buf_a = context->linebuf + LINEBUF_SIZE;
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23 context->tmp_buf_b = context->tmp_buf_a + 24;
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24 }
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25
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26 void render_sprite_cells(uint32_t linecyc, vdp_context * context)
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27 {
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28 if (linecyc < context->sprite_draws) {
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29 sprite_draw * d = context->sprite_draw_list + linecyc;
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30 uint16_t dir;
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31 int16_t x;
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32 if (d->h_flip) {
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33 x = d->x_pos + 7;
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34 dir = -1;
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35 } else {
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36 x = d->x_pos;
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37 dir = 1;
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38 }
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39 for (uint16_t address = d->address; address < d->address+4; address++) {
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40 if (x >= 0 && x < 320) {
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41 context->linebuf[x] = (context->vdpmem[address] >> 4) | d->pal_priority;
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42 }
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43 x += dir;
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44 if (x >= 0 && x < 320) {
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45 context->linebuf[x] = (context->vdpmem[address] & 0xF) | d->pal_priority;
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46 }
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47 x += dir;
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48 }
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49 }
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50 }
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51
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52 void scan_sprite_table(uint32_t line, vdp_context * context)
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53 {
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54 if (context->sprite_index && context->slot_counter) {
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55 line += 1;
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56 line &= 0xFF;
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57 line += 128;
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58 context->sprite_index &= 0x7F;
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59 //TODO: Read from SAT cache rather than from VRAM
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60 uint16_t sat_address = (context->regs[REG_SAT] & 0x7F) << 9;
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61 uint16_t address = context->sprite_index * 8 + sat_address;
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62 uint16_t y = ((context->vdpmem[address] & 0x3) << 8 | context->vdpmem[address+1]) - 128;
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63 uint8_t height = ((context->vdpmem[address+2] & 0x3) + 1) * 8;
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64 if (y >= line && (y + height) < line) {
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65 context->sprite_info_list[--(context->slot_counter)].size = context->vdpmem[address+2];
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66 context->sprite_info_list[context->slot_counter].index = context->sprite_index;
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67 context->sprite_info_list[context->slot_counter].y = y;
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68 }
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69 context->sprite_index = context->vdpmem[address+3] & 0x7F;
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70 if (context->sprite_index && context->slot_counter)
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71 {
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72 address = context->sprite_index * 8 + sat_address;
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73 y = ((context->vdpmem[address] & 0x3) << 8 | context->vdpmem[address+1]) - 128;
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74 height = ((context->vdpmem[address+2] & 0x3) + 1) * 8;
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75 if (y >= line && y < (line + height)) {
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76 context->sprite_info_list[--(context->slot_counter)].size = context->vdpmem[address+2];
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77 context->sprite_info_list[context->slot_counter].index = context->sprite_index;
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78 context->sprite_info_list[context->slot_counter].y = y;
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79 }
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80 }
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81 }
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82 }
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83
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84 void read_sprite_x(uint32_t line, vdp_context * context)
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85 {
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86 if (context->slot_counter && context->sprite_draws) {
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87 context->slot_counter--;
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88 uint8_t width = (context->sprite_info_list[context->slot_counter].size & 0x3) + 1;
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89 uint8_t height = (((context->sprite_info_list[context->slot_counter].size >> 2) & 0x3) + 1) * 8;
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90 uint16_t att_addr = ((context->regs[REG_SAT] & 0x7F) << 9) + context->sprite_info_list[context->slot_counter].index * 8 + 4;
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91 uint16_t tileinfo = (context->vdpmem[att_addr] << 8) | context->vdpmem[att_addr+1];
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92 uint8_t pal_priority = (tileinfo >> 9) & 0x70;
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93 uint8_t row;
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94 if (tileinfo & MAP_BIT_V_FLIP) {
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95 row = (context->sprite_info_list[context->slot_counter].y + height - 1) - line;
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96 } else {
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97 row = line-context->sprite_info_list[context->slot_counter].y;
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98 }
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99 uint16_t address = ((tileinfo & 0x7FF) << 5) + row * width * 4;
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100 int16_t x = ((context->vdpmem[att_addr+ 6] & 0x3) << 8) | context->vdpmem[att_addr + 7];
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101 if (x) {
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102 x -= 128;
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103 for (;width && context->sprite_draws; --width, --context->sprite_draws, address += 4, x += 8) {
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104 context->sprite_draw_list[context->sprite_draws].address = address;
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105 context->sprite_draw_list[context->sprite_draws].x_pos = x;
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106 context->sprite_draw_list[context->sprite_draws].pal_priority = pal_priority;
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107 context->sprite_draw_list[context->sprite_draws].h_flip = (tileinfo & MAP_BIT_H_FLIP) ? 1 : 0;
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108 }
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109 } else {
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110 //sprite masking enabled, no more sprites on this line
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111 context->slot_counter = 0;
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112 }
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113 }
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114 }
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115
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116 void external_slot(vdp_context * context)
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117 {
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118 //TODO: Implement me
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119 }
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120
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121 void read_map_scroll(uint16_t column, uint32_t line, uint32_t scroll_reg, uint16_t hscroll_val, vdp_context * context)
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122 {
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123 uint16_t address = (context->regs[scroll_reg] & 0x38) << 10;
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124 uint16_t vscroll;
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125 switch(context->regs[REG_SCROLL] & 0x30)
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126 {
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127 case 0:
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128 vscroll = 0xFF;
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129 break;
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130 case 0x10:
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131 vscroll = 0x1FF;
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diff changeset
132 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
133 case 0x20:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
134 //TODO: Verify this behavior
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
135 vscroll = 0;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
136 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
137 case 0x30:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
138 vscroll = 0x3FF;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
139 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
140 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
141 vscroll &= (context->vsram[context->regs[REG_MODE_3] & 0x4 ? column : 0] + line);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
142 context->v_offset = vscroll & 0x7;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
143 vscroll /= 8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
144 uint16_t hscroll_mask;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
145 uint16_t v_mul;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
146 switch(context->regs[REG_SCROLL] & 0x3)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
147 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
148 case 0:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
149 hscroll_mask = 0xF8;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
150 v_mul = 64;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
151 break;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
152 case 0x1:
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
153 hscroll_mask = 0x1F8;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
154 v_mul = 128;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
155 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
156 case 0x2:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
157 //TODO: Verify this behavior
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
158 hscroll_mask = 0;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
159 v_mul = 0;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
160 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
161 case 0x3:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
162 hscroll_mask = 0x3F8;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
163 v_mul = 256;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
165 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
166 uint16_t hscroll = (hscroll_val + (column-1) * 8) & hscroll_mask;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167 uint16_t offset = address + ((vscroll * v_mul + hscroll/4) & 0x1FFF);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 //printf("A | line: %d, col: %d, x: %d, hs_mask %X, v_mul: %d, scr reg: %X, tbl addr: %X\n", line, column, hscroll, hscroll_mask, v_mul, context->regs[REG_SCROLL], offset);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169 context->col_1 = (context->vdpmem[offset] << 8) | context->vdpmem[offset+1];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 hscroll = (hscroll_val + column * 8) & hscroll_mask;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
171 offset = address + ((vscroll * v_mul + hscroll/4) & 0x1FFF);
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 context->col_2 = (context->vdpmem[offset] << 8) | context->vdpmem[offset+1];
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parents:
diff changeset
173 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 void read_map_scroll_a(uint16_t column, uint32_t line, vdp_context * context)
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parents:
diff changeset
176 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
177 read_map_scroll(column, line, REG_SCROLL_A, context->hscroll_a, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
178 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
180 void read_map_scroll_b(uint16_t column, uint32_t line, vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
181 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
182 read_map_scroll(column, line, REG_SCROLL_B, context->hscroll_b, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
183 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 void render_map(uint16_t col, uint8_t * tmp_buf, vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
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parents:
diff changeset
186 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 uint16_t address = ((col & 0x3FF) << 5);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 if (col & MAP_BIT_V_FLIP) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 address += 24 - 4 * context->v_offset;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 } else {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 address += 4 * context->v_offset;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
192 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
193 uint16_t pal_priority = (col >> 9) & 0x70;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
194 int32_t dir;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
195 if (col & MAP_BIT_H_FLIP) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
196 tmp_buf += 7;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
197 dir = -1;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
198 } else {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
199 dir = 1;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
200 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
201 for (uint32_t i=0; i < 4; i++, address++)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
202 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
203 *tmp_buf = pal_priority | (context->vdpmem[address] >> 4);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
204 tmp_buf += dir;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
205 *tmp_buf = pal_priority | (context->vdpmem[address] & 0xF);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
206 tmp_buf += dir;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
207 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
208 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
209
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
210 void render_map_1(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
211 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 render_map(context->col_1, context->tmp_buf_a+8, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
213 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
214
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
215 void render_map_2(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
216 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
217 render_map(context->col_2, context->tmp_buf_a+16, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
218 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
219
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
220 void render_map_3(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
221 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
222 render_map(context->col_1, context->tmp_buf_b+8, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
223 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
224
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
225 void render_map_output(uint32_t line, int32_t col, vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
226 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
227 if (line >= 240) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
228 return;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
229 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
230 render_map(context->col_2, context->tmp_buf_b+16, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
231 uint16_t *dst, *end;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
232 uint8_t *sprite_buf, *plane_a, *plane_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
233 if (col)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
234 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
235 col-=2;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
236 dst = context->framebuf + line * 320 + col * 8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
237 sprite_buf = context->linebuf + col * 8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
238 plane_a = context->tmp_buf_a + 8 - (context->hscroll_a & 0x7);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
239 plane_b = context->tmp_buf_b + 8 - (context->hscroll_b & 0x7);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
240 /*if (col == 40)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
241 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
242 end = dst + 8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
243 } else {*/
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
244 end = dst + 16;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
245 //}
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
246 for (; dst < end; ++plane_a, ++plane_b, ++sprite_buf, ++dst) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
247 uint8_t pixel;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
248 if (*sprite_buf & BUF_BIT_PRIORITY) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
249 pixel = *sprite_buf;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
250 } else if (*plane_a & BUF_BIT_PRIORITY) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
251 pixel = *plane_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
252 } else if (*plane_b & BUF_BIT_PRIORITY) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
253 pixel = *plane_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
254 } else if (*sprite_buf & 0xF) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
255 pixel = *sprite_buf;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
256 } else if (*plane_a & 0xF) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
257 pixel = *plane_a;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
258 } else if (*plane_b & 0xF){
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
259 pixel = *plane_b;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
260 } else {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
261 pixel = context->regs[REG_BG_COLOR] & 0x3F;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
262 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
263 *dst = context->cram[pixel & 0x3F] | ((pixel & BUF_BIT_PRIORITY) ? 0x1000 : 0);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
264 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
265 } else {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
266 //dst = context->framebuf + line * 320;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
267 //sprite_buf = context->linebuf + col * 8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
268 //plane_a = context->tmp_buf_a + 16 - (context->hscroll_a & 0x7);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
269 //plane_b = context->tmp_buf_b + 16 - (context->hscroll_b & 0x7);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
270 //end = dst + 8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
271 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
272
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
273 uint16_t remaining = context->hscroll_a & 0x7;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
274 memcpy(context->tmp_buf_a + 8 - remaining, context->tmp_buf_a + 24 - remaining, remaining);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
275 remaining = context->hscroll_b & 0x7;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
276 memcpy(context->tmp_buf_b + 8 - remaining, context->tmp_buf_a + 24 - remaining, remaining);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
277 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
278
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
279 #define COLUMN_RENDER_BLOCK(column, startcyc) \
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
280 case startcyc:\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
281 read_map_scroll_a(column, line, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
282 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
283 case (startcyc+1):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
284 external_slot(context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
285 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
286 case (startcyc+2):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
287 render_map_1(context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
288 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
289 case (startcyc+3):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
290 render_map_2(context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
291 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
292 case (startcyc+4):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
293 read_map_scroll_b(column, line, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
294 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
295 case (startcyc+5):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
296 read_sprite_x(line, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
297 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
298 case (startcyc+6):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
299 render_map_3(context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
300 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
301 case (startcyc+7):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
302 render_map_output(line, column, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
303 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
304
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
305 #define COLUMN_RENDER_BLOCK_REFRESH(column, startcyc) \
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
306 case startcyc:\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
307 read_map_scroll_a(column, line, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
308 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
309 case (startcyc+1):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
310 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
311 case (startcyc+2):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
312 render_map_1(context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
313 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
314 case (startcyc+3):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
315 render_map_2(context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
316 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
317 case (startcyc+4):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
318 read_map_scroll_b(column, line, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
319 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
320 case (startcyc+5):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
321 read_sprite_x(line, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
322 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
323 case (startcyc+6):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
324 render_map_3(context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
325 break;\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
326 case (startcyc+7):\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
327 render_map_output(line, column, context);\
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
328 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
329
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
330 void vdp_h40(uint32_t line, uint32_t linecyc, vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
331 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
332 uint16_t address;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
333 uint32_t mask;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
334 switch(linecyc)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
335 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
336 //sprite render to line buffer starts
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
337 case 0:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
338 memset(context->linebuf, 0, LINEBUF_SIZE);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
339 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
340 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
341 case 1:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
342 case 2:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
343 case 3:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
344 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
345 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
346 //sprite attribute table scan starts
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
347 case 4:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
348 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
349 context->sprite_index = 0x80;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
350 context->slot_counter = MAX_SPRITES_LINE;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
351 scan_sprite_table(line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
352 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
353 case 5:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
354 case 6:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
355 case 7:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
356 case 8:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
357 case 9:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
358 case 10:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
359 case 11:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
360 case 12:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
361 case 13:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
362 case 14:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
363 case 15:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
364 case 16:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
365 case 17:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
366 case 18:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
367 case 19:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
368 case 20:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
369 //!HSYNC asserted
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
370 case 21:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
371 case 22:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
372 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
373 scan_sprite_table(line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
374 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
375 case 23:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
376 external_slot(context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
377 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
378 case 24:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
379 case 25:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
380 case 26:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
381 case 27:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
382 case 28:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
383 case 29:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
384 case 30:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
385 case 31:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
386 case 32:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
387 case 33:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
388 case 34:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
389 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
390 scan_sprite_table(line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
391 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
392 case 35:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
393 address = (context->regs[REG_HSCROLL] & 0x3F) << 10;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
394 mask = 0;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
395 if (context->regs[REG_MODE_3] & 0x2) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
396 mask |= 0xF8;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
397 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
398 if (context->regs[REG_MODE_3] & 0x1) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
399 mask |= 0x7;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
400 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
401 line &= mask;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
402 address += line * 4;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
403 context->hscroll_a = context->vdpmem[address] << 8 | context->vdpmem[address+1];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
404 context->hscroll_b = context->vdpmem[address+2] << 8 | context->vdpmem[address+3];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
405 printf("%d: HScroll A: %d, HScroll B: %d\n", line, context->hscroll_a, context->hscroll_b);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
406 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
407 case 36:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
408 //!HSYNC high
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
409 case 37:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
410 case 38:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
411 case 39:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
412 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
413 scan_sprite_table(line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
414 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
415 case 40:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
416 read_map_scroll_a(0, line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
417 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
418 case 41:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
419 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
420 scan_sprite_table(line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
421 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
422 case 42:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
423 render_map_1(context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
424 scan_sprite_table(line, context);//Just a guess
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
425 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
426 case 43:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
427 render_map_2(context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
428 scan_sprite_table(line, context);//Just a guess
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
429 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
430 case 44:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
431 read_map_scroll_b(0, line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
432 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
433 case 45:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
434 render_sprite_cells(linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
435 scan_sprite_table(line, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
436 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
437 case 46:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
438 render_map_3(context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
439 scan_sprite_table(line, context);//Just a guess
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
440 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
441 case 47:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
442 render_map_output(line, 0, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
443 scan_sprite_table(line, context);//Just a guess
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
444 //reverse context slot counter so it counts the number of sprite slots
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
445 //filled rather than the number of available slots
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
446 context->slot_counter = MAX_SPRITES_LINE - context->slot_counter;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
447 context->sprite_draws = MAX_DRAWS;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
448 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
449 COLUMN_RENDER_BLOCK(2, 48)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
450 COLUMN_RENDER_BLOCK(4, 56)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
451 COLUMN_RENDER_BLOCK(6, 64)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
452 COLUMN_RENDER_BLOCK_REFRESH(8, 72)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
453 COLUMN_RENDER_BLOCK(10, 80)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
454 COLUMN_RENDER_BLOCK(12, 88)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
455 COLUMN_RENDER_BLOCK(14, 96)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
456 COLUMN_RENDER_BLOCK_REFRESH(16, 104)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
457 COLUMN_RENDER_BLOCK(18, 112)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
458 COLUMN_RENDER_BLOCK(20, 120)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
459 COLUMN_RENDER_BLOCK(22, 128)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
460 COLUMN_RENDER_BLOCK_REFRESH(24, 136)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
461 COLUMN_RENDER_BLOCK(26, 144)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
462 COLUMN_RENDER_BLOCK(28, 152)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
463 COLUMN_RENDER_BLOCK(30, 160)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
464 COLUMN_RENDER_BLOCK_REFRESH(32, 168)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
465 COLUMN_RENDER_BLOCK(34, 176)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
466 COLUMN_RENDER_BLOCK(36, 184)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
467 COLUMN_RENDER_BLOCK(38, 192)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
468 COLUMN_RENDER_BLOCK_REFRESH(40, 200)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
469 case 208:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
470 context->sprite_draws = MAX_DRAWS - context->sprite_draws;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
471 case 209:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
472 external_slot(context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
473 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
474 default:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
475 //leftovers from HSYNC clock change nonsense
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
476 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
477 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
478 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
479
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
480 void vdp_h32(uint32_t line, uint32_t linecyc, vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
481 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
482 switch(linecyc)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
483 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
484 //sprite render to line buffer starts
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
485 case 0:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
486 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
487 case 1:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
488 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
489 case 2:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
490 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
491 case 3:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
492 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
493 case 4:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
494 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
495 case 5:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
496 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
497 case 6:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
498 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
499 case 7:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
500 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
501 case 8:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
502 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
503 case 9:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
504 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
505 case 10:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
506 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
507 case 11:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
508 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
509 case 12:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
510 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
511 case 13:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
512 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
513 case 14:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
514 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
515 case 15:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
516 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
517 case 16:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
518 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
519 case 17:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
520 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
521 case 18:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
522 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
523 case 19:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
524 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
525 case 20:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
526 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
527 case 21:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
528 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
529 case 22:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
530 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
531 case 23:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
532 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
533 case 24:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
534 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
535 case 25:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
536 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
537 case 26:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
538 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
539 case 27:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
540 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
541 case 28:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
542 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
543 case 29:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
544 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
545 case 30:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
546 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
547 case 31:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
548 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
549 case 32:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
550 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
551 case 33:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
552 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
553 case 34:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
554 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
555 case 35:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
556 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
557 case 36:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
558 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
559 case 37:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
560 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
561 case 38:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
562 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
563 case 39:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
564 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
565 case 40:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
566 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
567 case 41:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
568 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
569 case 42:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
570 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
571 case 43:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
572 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
573 case 44:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
574 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
575 case 45:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
576 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
577 case 46:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
578 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
579 case 47:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
580 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
581 case 48:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
582 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
583 case 49:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
584 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
585 case 50:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
586 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
587 case 51:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
588 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
589 case 52:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
590 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
591 case 53:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
592 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
593 case 54:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
594 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
595 case 55:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
596 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
597 case 56:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
598 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
599 case 57:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
600 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
601 case 58:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
602 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
603 case 59:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
604 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
605 case 60:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
606 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
607 case 61:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
608 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
609 case 62:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
610 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
611 case 63:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
612 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
613 case 64:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
614 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
615 case 65:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
616 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
617 case 66:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
618 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
619 case 67:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
620 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
621 case 68:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
622 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
623 case 69:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
624 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
625 case 70:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
626 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
627 case 71:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
628 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
629 case 72:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
630 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
631 case 73:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
632 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
633 case 74:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
634 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
635 case 75:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
636 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
637 case 76:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
638 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
639 case 77:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
640 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
641 case 78:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
642 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
643 case 79:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
644 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
645 case 80:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
646 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
647 case 81:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
648 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
649 case 82:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
650 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
651 case 83:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
652 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
653 case 84:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
654 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
655 case 85:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
656 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
657 case 86:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
658 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
659 case 87:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
660 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
661 case 88:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
662 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
663 case 89:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
664 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
665 case 90:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
666 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
667 case 91:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
668 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
669 case 92:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
670 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
671 case 93:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
672 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
673 case 94:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
674 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
675 case 95:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
676 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
677 case 96:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
678 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
679 case 97:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
680 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
681 case 98:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
682 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
683 case 99:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
684 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
685 case 100:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
686 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
687 case 101:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
688 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
689 case 102:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
690 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
691 case 103:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
692 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
693 case 104:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
694 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
695 case 105:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
696 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
697 case 106:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
698 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
699 case 107:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
700 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
701 case 108:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
702 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
703 case 109:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
704 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
705 case 110:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
706 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
707 case 111:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
708 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
709 case 112:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
710 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
711 case 113:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
712 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
713 case 114:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
714 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
715 case 115:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
716 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
717 case 116:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
718 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
719 case 117:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
720 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
721 case 118:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
722 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
723 case 119:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
724 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
725 case 120:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
726 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
727 case 121:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
728 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
729 case 122:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
730 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
731 case 123:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
732 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
733 case 124:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
734 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
735 case 125:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
736 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
737 case 126:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
738 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
739 case 127:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
740 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
741 case 128:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
742 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
743 case 129:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
744 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
745 case 130:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
746 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
747 case 131:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
748 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
749 case 132:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
750 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
751 case 133:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
752 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
753 case 134:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
754 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
755 case 135:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
756 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
757 case 136:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
758 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
759 case 137:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
760 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
761 case 138:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
762 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
763 case 139:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
764 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
765 case 140:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
766 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
767 case 141:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
768 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
769 case 142:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
770 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
771 case 143:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
772 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
773 case 144:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
774 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
775 case 145:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
776 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
777 case 146:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
778 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
779 case 147:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
780 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
781 case 148:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
782 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
783 case 149:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
784 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
785 case 150:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
786 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
787 case 151:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
788 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
789 case 152:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
790 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
791 case 153:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
792 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
793 case 154:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
794 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
795 case 155:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
796 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
797 case 156:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
798 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
799 case 157:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
800 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
801 case 158:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
802 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
803 case 159:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
804 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
805 case 160:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
806 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
807 case 161:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
808 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
809 case 162:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
810 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
811 case 163:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
812 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
813 case 164:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
814 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
815 case 165:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
816 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
817 case 166:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
818 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
819 case 167:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
820 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
821 case 168:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
822 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
823 case 169:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
824 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
825 case 170:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
826 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
827 case 171:
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
828 break;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
829 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
830 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
831 void latch_mode(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
832 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
833 context->latched_mode = (context->regs[REG_MODE_4] & 0x81) | (context->regs[REG_MODE_2] & BIT_PAL);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
834 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
835
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
836 void vdp_run_context(vdp_context * context, uint32_t target_cycles)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
837 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
838 while(context->cycles < target_cycles)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
839 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
840 uint32_t line = context->cycles / MCLKS_LINE;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
841 uint32_t active_lines = context->latched_mode & BIT_PAL ? PAL_ACTIVE : NTSC_ACTIVE;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
842 if (line < active_lines) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
843 if (!line) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
844 latch_mode(context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
845 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
846 //first sort-of active line is treated as 255 internally
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
847 //it's used for gathering sprite info for line
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
848 line = (line - 1) & 0xFF;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
849 uint32_t linecyc = context->cycles % MCLKS_LINE;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
850
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
851 //Convert to slot number
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
852 if (context->latched_mode & BIT_H40){
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
853 //TODO: Deal with nasty clock switching during HBLANK
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
854 linecyc = linecyc/16;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
855 context->cycles += 16;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
856 vdp_h40(line, linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
857 } else {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
858 linecyc = linecyc/20;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
859 context->cycles += 20;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
860 vdp_h32(line, linecyc, context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
861 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
862 } else {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
863 //TODO: Empty FIFO
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
864 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
865 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
866 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
867
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
868 uint32_t vdp_run_to_vblank(vdp_context * context)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
869 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
870 uint32_t target_cycles = ((context->latched_mode & BIT_PAL) ? PAL_ACTIVE : NTSC_ACTIVE) * MCLKS_LINE;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
871 vdp_run_context(context, target_cycles);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
872 return context->cycles;
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
873 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
874
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
875 #define GST_VDP_REGS 0xFA
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
876 #define GST_VDP_MEM 0x12478
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
877
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
878 void vdp_load_savestate(vdp_context * context, FILE * state_file)
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
879 {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
880 uint8_t tmp_buf[CRAM_SIZE*2];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
881 fseek(state_file, GST_VDP_REGS, SEEK_SET);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
882 fread(context->regs, 1, VDP_REGS, state_file);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
883 latch_mode(context);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
884 fread(tmp_buf, 1, sizeof(tmp_buf), state_file);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
885 for (int i = 0; i < CRAM_SIZE; i++) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
886 context->cram[i] = (tmp_buf[i*2+1] << 8) | tmp_buf[i*2];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
887 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
888 fread(tmp_buf, 2, VSRAM_SIZE, state_file);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
889 for (int i = 0; i < VSRAM_SIZE; i++) {
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
890 context->vsram[i] = (tmp_buf[i*2] << 8) | tmp_buf[i*2+1];
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
891 }
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
892 fseek(state_file, GST_VDP_MEM, SEEK_SET);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
893 fread(context->vdpmem, 1, VRAM_SIZE, state_file);
f664eeb55cb4 Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
894 }