diff options
| author | Mike Pavone <pavone@retrodev.com> | 2012-12-30 11:54:25 -0800 |
|---|---|---|
| committer | Mike Pavone <pavone@retrodev.com> | 2012-12-30 11:54:25 -0800 |
| commit | d120b3df1f0991d11158c68ec7b26fcb3a4db512 (patch) | |
| tree | d983714d8217eb9650445c4405c078150a7bc83d /render_sdl.c | |
| parent | b4a15779b4bab155c9d17461c0cf645bb166b9c4 (diff) | |
Fix 68K->VDP DMA
Diffstat (limited to 'render_sdl.c')
| -rw-r--r-- | render_sdl.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/render_sdl.c b/render_sdl.c index 36c3241..ab9fd50 100644 --- a/render_sdl.c +++ b/render_sdl.c @@ -6,6 +6,7 @@ SDL_Surface *screen; uint8_t render_dbg = 0; +uint8_t debug_pal = 0; uint32_t last_frame = 0; @@ -122,6 +123,12 @@ void render_context(vdp_context * context) } else { if (render_dbg == 2) { gen_color = context->cram[(y/30)*8 + x/40]; + } else if(render_dbg == 3) { + if (x & 1) { + gen_color = context->cram[ (debug_pal << 4) | (context->vdpmem[(x/8)*32 + (y/8)*32*40 + (x%8)/2 + (y%8)*4] & 0xF) ]; + } else { + gen_color = context->cram[ (debug_pal << 4) | (context->vdpmem[(x/8)*32 + (y/8)*32*40 + (x%8)/2 + (y%8)*4] >> 4) ]; + } } b = ((gen_color >> 8) & 0xE) * 18; g = ((gen_color >> 4) & 0xE) * 18; @@ -149,10 +156,15 @@ void render_wait_quit(vdp_context * context) case SDL_KEYDOWN: if (event.key.keysym.sym == SDLK_LEFTBRACKET) { render_dbg++; - if (render_dbg == 3) { + if (render_dbg == 4) { render_dbg = 0; } render_context(context); + } else if(event.key.keysym.sym == SDLK_RIGHTBRACKET) { + debug_pal++; + if (debug_pal == 4) { + debug_pal = 0; + } } break; case SDL_QUIT: @@ -189,10 +201,16 @@ void wait_render_frame(vdp_context * context) { case SDLK_LEFTBRACKET: render_dbg++; - if (render_dbg == 3) { + if (render_dbg == 4) { render_dbg = 0; } break; + case SDLK_RIGHTBRACKET: + debug_pal++; + if (debug_pal == 4) { + debug_pal = 0; + } + break; case SDLK_t: outfile = fopen("state.gst", "wb"); fwrite("GST\0\0\0\xE0\x40", 1, 8, outfile); |