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comparison vdp.c @ 1343:033dda2d4598

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Fix transition from active to inactive display
author Michael Pavone <pavone@retrodev.com>
date Thu, 04 May 2017 22:47:51 -0700
parents 4ea094d15cce
children 6372de4da179
comparison
equal deleted inserted replaced
1342:4ea094d15cce 1343:033dda2d4598
1539 { 1539 {
1540 *dst = bg_color; 1540 *dst = bg_color;
1541 } 1541 }
1542 } 1542 }
1543 } 1543 }
1544 context->done_output = dst;
1544 context->buf_a_off = (context->buf_a_off + SCROLL_BUFFER_DRAW) & SCROLL_BUFFER_MASK; 1545 context->buf_a_off = (context->buf_a_off + SCROLL_BUFFER_DRAW) & SCROLL_BUFFER_MASK;
1545 context->buf_b_off = (context->buf_b_off + SCROLL_BUFFER_DRAW) & SCROLL_BUFFER_MASK; 1546 context->buf_b_off = (context->buf_b_off + SCROLL_BUFFER_DRAW) & SCROLL_BUFFER_MASK;
1546 } 1547 }
1547 1548
1548 static void render_map_mode4(uint32_t line, int32_t col, vdp_context * context) 1549 static void render_map_mode4(uint32_t line, int32_t col, vdp_context * context)
1733 output_line = context->output_lines++;//context->vcounter - (0x200 - context->border_top); 1734 output_line = context->output_lines++;//context->vcounter - (0x200 - context->border_top);
1734 } else { 1735 } else {
1735 output_line = INVALID_LINE; 1736 output_line = INVALID_LINE;
1736 } 1737 }
1737 context->output = (uint32_t *)(((char *)context->fb) + context->output_pitch * output_line); 1738 context->output = (uint32_t *)(((char *)context->fb) + context->output_pitch * output_line);
1739 context->done_output = context->output;
1738 #ifdef DEBUG_FB_FILL 1740 #ifdef DEBUG_FB_FILL
1739 for (int i = 0; i < LINEBUF_SIZE; i++) 1741 for (int i = 0; i < LINEBUF_SIZE; i++)
1740 { 1742 {
1741 context->output[i] = 0xFFFF00FF; 1743 context->output[i] = 0xFFFF00FF;
1742 } 1744 }
2708 if (mode_5) { 2710 if (mode_5) {
2709 bg_color = context->colors[context->regs[REG_BG_COLOR] & 0x3F]; 2711 bg_color = context->colors[context->regs[REG_BG_COLOR] & 0x3F];
2710 } else if (context->regs[REG_MODE_1] & BIT_MODE_4) { 2712 } else if (context->regs[REG_MODE_1] & BIT_MODE_4) {
2711 bg_color = context->colors[CRAM_SIZE * 3 + 0x10 + (context->regs[REG_BG_COLOR] & 0xF)]; 2713 bg_color = context->colors[CRAM_SIZE * 3 + 0x10 + (context->regs[REG_BG_COLOR] & 0xF)];
2712 } 2714 }
2713 *(dst++) = bg_color; 2715 if (dst >= context->done_output) {
2714 *(dst++) = bg_color; 2716 *(dst++) = bg_color;
2717 } else {
2718 dst++;
2719 }
2720 if (dst >= context->done_output) {
2721 *(dst++) = bg_color;
2722 } else {
2723 dst++;
2724 }
2715 if (context->hslot == (bg_end_slot-1)) { 2725 if (context->hslot == (bg_end_slot-1)) {
2716 *(dst++) = bg_color; 2726 *(dst++) = bg_color;
2717 } 2727 }
2718 } 2728 }
2719 2729