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Added a dirty debug paletteram hook-up for the palette viewer, used mostly by Guilty Gear XX afaik.

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=============================================================================================

No credit wanted.
This commit is contained in:
Angelo Salese 2009-03-21 01:52:45 +00:00
parent 0e9975bfc8
commit 51cae00c5e
1 changed files with 63 additions and 1 deletions
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64
src/mame/video/dc.c
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@ -15,6 +15,7 @@
#define DEBUG_PVRTA_REGS (0)
#define DEBUG_PVRDLIST (0)
#define DEBUG_VERTICES (1)
#define DEBUG_PALRAM (1)
static UINT32 pvrctrl_regs[0x100/4];
static UINT32 pvrta_regs[0x2000/4];
@ -990,6 +991,63 @@ static void testdrawscreenframebuffer(bitmap_t *bitmap,const rectangle *cliprect
}
}
}
#if DEBUG_PALRAM
static void debug_paletteram(running_machine *machine)
{
UINT64 pal;
UINT32 r,g,b;
int i;
//popmessage("%02x",pvrta_regs[PAL_RAM_CTRL]);
for(i=0;i<0x400;i++)
{
pal = pvrta_regs[((0x005F9000-0x005F8000)/4)+i];
switch(pvrta_regs[PAL_RAM_CTRL])
{
case 0: //argb1555 <- guilty gear uses this mode
{
//a = (pal & 0x8000)>>15;
r = (pal & 0x7c00)>>10;
g = (pal & 0x03e0)>>5;
b = (pal & 0x001f)>>0;
//a = a ? 0xff : 0x00;
palette_set_color_rgb(machine, i, pal5bit(r), pal5bit(g), pal5bit(b));
}
break;
case 1: //rgb565
{
//a = 0xff;
r = (pal & 0xf800)>>11;
g = (pal & 0x07e0)>>5;
b = (pal & 0x001f)>>0;
palette_set_color_rgb(machine, i, pal5bit(r), pal6bit(g), pal5bit(b));
}
break;
case 2: //argb4444
{
//a = (pal & 0xf000)>>12;
r = (pal & 0x0f00)>>8;
g = (pal & 0x00f0)>>4;
b = (pal & 0x000f)>>0;
palette_set_color_rgb(machine, i, pal4bit(r), pal4bit(g), pal4bit(b));
}
break;
case 3: //argb8888
{
//a = (pal & 0xff000000)>>20;
r = (pal & 0x00ff0000)>>16;
g = (pal & 0x0000ff00)>>8;
b = (pal & 0x000000ff)>>0;
palette_set_color_rgb(machine, i, r, g, b);
}
break;
}
}
}
#endif
/* test video end */
static void pvr_build_parameterconfig(void)
@ -1061,7 +1119,11 @@ VIDEO_START(dc)
VIDEO_UPDATE(dc)
{
static int useframebuffer=1;
static int useframebuffer=1;
#if DEBUG_PALRAM
debug_paletteram(screen->machine);
#endif
if ((useframebuffer) && !state_ta.start_render_received)
{