Mercurial > repos > blastem

comparison vdp.c @ 1361:1679ea04c449

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
WIP attempt at fixing the minor line -2 glitch in the OD2 Ninja Escape scene
author Michael Pavone <pavone@retrodev.com>
date Sun, 14 May 2017 11:15:56 -0700
parents 3716b90d3470
children 83bdd358f3a7
comparison
equal deleted inserted replaced
1360:e1a6e8ee656f 1361:1679ea04c449
2055 uint32_t bg_color = context->colors[context->regs[REG_BG_COLOR] & 0x3F]; 2055 uint32_t bg_color = context->colors[context->regs[REG_BG_COLOR] & 0x3F];
2056 uint32_t *dst; 2056 uint32_t *dst;
2057 if (headless) { 2057 if (headless) {
2058 dst = context->output; 2058 dst = context->output;
2059 } else { 2059 } else {
2060 dst = ((uint32_t *)(((char *)context->fb) + context->output_pitch * (context->border_top - 2))) 2060 dst = context->output + (context->hslot - BG_START_SLOT) * 2;
2061 + (context->hslot - BG_START_SLOT) * 2; 2061 }
2062 } 2062 for (int i = 0; i < LINEBUF_SIZE - 2 * (context->hslot - BG_START_SLOT); i++, dst++)
2063 for (int i = 0; i < LINEBUF_SIZE - 2 * (context->hslot - BG_START_SLOT); i++)
2064 { 2063 {
2065 *(dst++) = bg_color; 2064 if (dst >= context->done_output) {
2065 *dst = bg_color;
2066 }
2066 } 2067 }
2067 } 2068 }
2068 context->sprite_index = 0x80; 2069 context->sprite_index = 0x80;
2069 context->slot_counter = 0; 2070 context->slot_counter = 0;
2070 render_border_garbage( 2071 render_border_garbage(
2718 } else { 2719 } else {
2719 dst++; 2720 dst++;
2720 } 2721 }
2721 if (dst >= context->done_output) { 2722 if (dst >= context->done_output) {
2722 *(dst++) = bg_color; 2723 *(dst++) = bg_color;
2724 context->done_output = dst;
2723 } else { 2725 } else {
2724 dst++; 2726 dst++;
2725 } 2727 }
2726 if (context->hslot == (bg_end_slot-1)) { 2728 if (context->hslot == (bg_end_slot-1)) {
2727 *(dst++) = bg_color; 2729 *(dst++) = bg_color;
2730 context->done_output = dst;
2728 } 2731 }
2729 } 2732 }
2730 2733
2731 if (!is_refresh(context, context->hslot)) { 2734 if (!is_refresh(context, context->hslot)) {
2732 external_slot(context); 2735 external_slot(context);
2910 vdp_latch_hv(context); 2913 vdp_latch_hv(context);
2911 } 2914 }
2912 if (reg == REG_BG_COLOR) { 2915 if (reg == REG_BG_COLOR) {
2913 value &= 0x3F; 2916 value &= 0x3F;
2914 } 2917 }
2918 if (reg == REG_MODE_2 && ((value ^ context->regs[reg]) & BIT_DISP_EN)) {
2919 printf("Display %s at %d, %d, %d\n", value & BIT_DISP_EN ? "enabled" : "disabled", context->frame, context->vcounter, context->hslot);
2920 }
2915 /*if (reg == REG_MODE_4 && ((value ^ context->regs[reg]) & BIT_H40)) { 2921 /*if (reg == REG_MODE_4 && ((value ^ context->regs[reg]) & BIT_H40)) {
2916 printf("Mode changed from H%d to H%d @ %d, frame: %d\n", context->regs[reg] & BIT_H40 ? 40 : 32, value & BIT_H40 ? 40 : 32, context->cycles, context->frame); 2922 printf("Mode changed from H%d to H%d @ %d, frame: %d\n", context->regs[reg] & BIT_H40 ? 40 : 32, value & BIT_H40 ? 40 : 32, context->cycles, context->frame);
2917 }*/ 2923 }*/
2918 context->regs[reg] = value; 2924 context->regs[reg] = value;
2919 if (reg == REG_MODE_4) { 2925 if (reg == REG_MODE_4) {