Mercurial > repos > blastem
changeset 2510:0a22c1901492
Fix display of window plane in VDP composition viewer
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Tue, 27 Aug 2024 21:27:21 -0700 |
| parents | 1102372feaee |
| children | e51b1fc0e37f |
| files | vdp.c |
| diffstat | 1 files changed, 29 insertions(+), 0 deletions(-) [+] |
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--- a/vdp.c Tue Aug 27 20:52:37 2024 -0700 +++ b/vdp.c Tue Aug 27 21:27:21 2024 -0700 @@ -2084,6 +2084,35 @@ && line < (context->inactive_start + context->border_bot + context->border_top) ) { uint32_t *fb = context->debug_fbs[DEBUG_COMPOSITE] + context->debug_fb_pitch[DEBUG_COMPOSITE] * line / sizeof(uint32_t); + if (is_mode_5) { + uint32_t left, right; + uint16_t top_line, bottom_line; + if (context->regs[REG_WINDOW_V] & WINDOW_DOWN) { + top_line = ((context->regs[REG_WINDOW_V] & 0x1F) << 3) + context->border_top; + bottom_line = context->inactive_start + context->border_top; + } else { + top_line = context->border_top; + bottom_line = ((context->regs[REG_WINDOW_V] & 0x1F) << 3) + context->border_top; + } + if (line >= top_line && line < bottom_line) { + left = 0; + right = 320 + BORDER_LEFT + BORDER_RIGHT; + } else if (context->regs[REG_WINDOW_H] & WINDOW_RIGHT) { + left = (context->regs[REG_WINDOW_H] & 0x1F) * 16 + BORDER_LEFT; + right = 320 + BORDER_LEFT + BORDER_RIGHT; + } else { + left = 0; + right = (context->regs[REG_WINDOW_H] & 0x1F) * 16 + BORDER_LEFT; + } + for (uint32_t i = left; i < right; i++) + { + uint8_t src = context->layer_debug_buf[i] & DBG_SRC_MASK; + if (src == DBG_SRC_A) { + context->layer_debug_buf[i] &= ~DBG_SRC_MASK; + context->layer_debug_buf[i] |= DBG_SRC_W; + } + } + } for (int i = 0; i < LINEBUF_SIZE; i++) { *(fb++) = context->debugcolors[context->layer_debug_buf[i]];