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Diffstat (limited to 'vdp.c')
-rw-r--r--vdp.c133
1 files changed, 99 insertions, 34 deletions
diff --git a/vdp.c b/vdp.c
index 265b006..0eb0655 100644
--- a/vdp.c
+++ b/vdp.c
@@ -31,6 +31,14 @@
int32_t color_map[1 << 12];
uint8_t levels[] = {0, 27, 49, 71, 87, 103, 119, 130, 146, 157, 174, 190, 206, 228, 255};
+uint8_t debug_base[][3] = {
+ {127, 127, 127}, //BG
+ {0, 0, 127}, //A
+ {127, 0, 0}, //Window
+ {0, 127, 0}, //B
+ {127, 0, 127} //Sprites
+};
+
uint8_t color_map_init_done;
void init_vdp_context(vdp_context * context)
@@ -70,6 +78,47 @@ void init_vdp_context(vdp_context * context)
}
color_map_init_done = 1;
}
+ for (uint8_t color = 0; color < (1 << (3 + 1 + 1 + 1)); color++)
+ {
+ uint8_t src = color & DBG_SRC_MASK;
+ if (src > DBG_SRC_S) {
+ context->debugcolors[color] = 0;
+ } else {
+ uint8_t r,g,b;
+ b = debug_base[src][0];
+ g = debug_base[src][1];
+ r = debug_base[src][2];
+ if (color & DBG_PRIORITY)
+ {
+ if (b) {
+ b += 48;
+ }
+ if (g) {
+ g += 48;
+ }
+ if (r) {
+ r += 48;
+ }
+ }
+ if (color & DBG_SHADOW) {
+ b /= 2;
+ g /= 2;
+ r /=2 ;
+ }
+ if (color & DBG_HILIGHT) {
+ if (b) {
+ b += 72;
+ }
+ if (g) {
+ g += 72;
+ }
+ if (r) {
+ r += 72;
+ }
+ }
+ context->debugcolors[color] = render_map_color(r, g, b);
+ }
+ }
}
void render_sprite_cells(vdp_context * context)
@@ -687,16 +736,15 @@ void render_map_output(uint32_t line, int32_t col, vdp_context * context)
dst += line * 320 + col * 8;
}
sprite_buf = context->linebuf + col * 8;
- uint16_t a_src;
+ uint8_t a_src, src;
if (context->flags & FLAG_WINDOW) {
plane_a_off = context->buf_a_off;
- //a_src = FBUF_SRC_W;
+ a_src = DBG_SRC_W;
} else {
plane_a_off = context->buf_a_off - (context->hscroll_a & 0xF);
- //a_src = FBUF_SRC_A;
+ a_src = DBG_SRC_A;
}
plane_b_off = context->buf_b_off - (context->hscroll_b & 0xF);
- uint16_t src;
//printf("A | tmp_buf offset: %d\n", 8 - (context->hscroll_a & 0x7));
if (context->regs[REG_MODE_4] & BIT_HILIGHT) {
@@ -704,103 +752,120 @@ void render_map_output(uint32_t line, int32_t col, vdp_context * context)
uint8_t pixel;
plane_a = context->tmp_buf_a + (plane_a_off & SCROLL_BUFFER_MASK);
plane_b = context->tmp_buf_b + (plane_b_off & SCROLL_BUFFER_MASK);
+ uint32_t * colors = context->colors;
src = 0;
uint8_t sprite_color = *sprite_buf & 0x3F;
if (sprite_color == 0x3E || sprite_color == 0x3F) {
if (sprite_color == 0x3F) {
- src = CRAM_SIZE;//FBUF_SHADOW;
+ colors += CRAM_SIZE;
+ src = DBG_SHADOW;
} else {
- src = CRAM_SIZE*2;//FBUF_HILIGHT;
+ colors += CRAM_SIZE*2;
+ src = DBG_HILIGHT;
}
if (*plane_a & BUF_BIT_PRIORITY && *plane_a & 0xF) {
pixel = *plane_a;
- //src |= a_src;
+ src |= a_src;
} else if (*plane_b & BUF_BIT_PRIORITY && *plane_b & 0xF) {
pixel = *plane_b;
- //src |= FBUF_SRC_B;
+ src |= DBG_SRC_B;
} else if (*plane_a & 0xF) {
pixel = *plane_a;
- //src |= a_src;
+ src |= a_src;
} else if (*plane_b & 0xF){
pixel = *plane_b;
- //src |= FBUF_SRC_B;
+ src |= DBG_SRC_B;
} else {
pixel = context->regs[REG_BG_COLOR] & 0x3F;
- //src |= FBUF_SRC_BG;
+ src |= DBG_SRC_BG;
}
} else {
if (*sprite_buf & BUF_BIT_PRIORITY && *sprite_buf & 0xF) {
pixel = *sprite_buf;
- //src = FBUF_SRC_S;
+ src = DBG_SRC_S;
} else if (*plane_a & BUF_BIT_PRIORITY && *plane_a & 0xF) {
pixel = *plane_a;
- //src = a_src;
+ src = a_src;
} else if (*plane_b & BUF_BIT_PRIORITY && *plane_b & 0xF) {
pixel = *plane_b;
- //src = FBUF_SRC_B;
+ src = DBG_SRC_B;
} else {
if (!(*plane_a & BUF_BIT_PRIORITY || *plane_a & BUF_BIT_PRIORITY)) {
- src = CRAM_SIZE;//FBUF_SHADOW;
+ colors += CRAM_SIZE;
+ src = DBG_SHADOW;
}
if (*sprite_buf & 0xF) {
pixel = *sprite_buf;
if (*sprite_buf & 0xF == 0xE) {
- src = 0;//FBUF_SRC_S;
- } /*else {
- src |= FBUF_SRC_S;
- }*/
+ colors = context->colors;
+ src = DBG_SRC_S;
+ } else {
+ src |= DBG_SRC_S;
+ }
} else if (*plane_a & 0xF) {
pixel = *plane_a;
- //src |= a_src;
+ src |= a_src;
} else if (*plane_b & 0xF){
pixel = *plane_b;
- //src |= FBUF_SRC_B;
+ src |= DBG_SRC_B;
} else {
pixel = context->regs[REG_BG_COLOR] & 0x3F;
- //src |= FBUF_SRC_BG;
+ src |= DBG_SRC_BG;
}
}
}
pixel &= 0x3F;
- pixel += src;
+ uint32_t outpixel;
+ if (context->debug) {
+ outpixel = context->debugcolors[src];
+ } else {
+ outpixel = colors[pixel];
+ }
if (context->b32) {
- *(dst32++) = context->colors[pixel];
+ *(dst32++) = outpixel;
} else {
- *(dst++) = context->colors[pixel];
+ *(dst++) = outpixel;
}
//*dst = (context->cram[pixel & 0x3F] & 0xEEE) | ((pixel & BUF_BIT_PRIORITY) ? FBUF_BIT_PRIORITY : 0) | src;
}
} else {
for (int i = 0; i < 16; ++plane_a_off, ++plane_b_off, ++sprite_buf, ++i) {
uint8_t pixel;
+ src = 0;
plane_a = context->tmp_buf_a + (plane_a_off & SCROLL_BUFFER_MASK);
plane_b = context->tmp_buf_b + (plane_b_off & SCROLL_BUFFER_MASK);
if (*sprite_buf & BUF_BIT_PRIORITY && *sprite_buf & 0xF) {
pixel = *sprite_buf;
- //src = FBUF_SRC_S;
+ src = DBG_SRC_S;
} else if (*plane_a & BUF_BIT_PRIORITY && *plane_a & 0xF) {
pixel = *plane_a;
- //src = a_src;
+ src = a_src;
} else if (*plane_b & BUF_BIT_PRIORITY && *plane_b & 0xF) {
pixel = *plane_b;
- //src = FBUF_SRC_B;
+ src = DBG_SRC_B;
} else if (*sprite_buf & 0xF) {
pixel = *sprite_buf;
- //src = FBUF_SRC_S;
+ src = DBG_SRC_S;
} else if (*plane_a & 0xF) {
pixel = *plane_a;
- //src = a_src;
+ src = a_src;
} else if (*plane_b & 0xF){
pixel = *plane_b;
- //src = FBUF_SRC_B;
+ src = DBG_SRC_B;
} else {
pixel = context->regs[REG_BG_COLOR] & 0x3F;
- //src = FBUF_SRC_BG;
+ src = DBG_SRC_BG;
+ }
+ uint32_t outpixel;
+ if (context->debug) {
+ outpixel = context->debugcolors[src];
+ } else {
+ outpixel = context->colors[pixel & 0x3F];
}
if (context->b32) {
- *(dst32++) = context->colors[pixel & 0x3F];
+ *(dst32++) = outpixel;
} else {
- *(dst++) = context->colors[pixel & 0x3F];
+ *(dst++) = outpixel;
}
//*dst = (context->cram[pixel & 0x3F] & 0xEEE) | ((pixel & BUF_BIT_PRIORITY) ? FBUF_BIT_PRIORITY : 0) | src;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-20 00:13:34 +0000