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Added 4bpp/8bpp switch

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This commit is contained in:
Angelo Salese 2009-07-04 17:07:49 +00:00
parent 84aa885368
commit dac2c281e0
1 changed files with 47 additions and 11 deletions
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58
src/mame/drivers/magicard.c
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@ -130,6 +130,7 @@ TODO: check this register,doesn't seem to be 100% correct.
#define SCC_DCR_VREG (pcab_vregs[0x02/2] & 0xffff)
#define SCC_DE_VREG ((SCC_DCR_VREG & 0x8000)>>15)
#define SCC_FG_VREG ((SCC_DCR_VREG & 0x0080)>>7)
#define SCC_VSR_VREG_H ((SCC_DCR_VREG & 0xf)>>0)
/*
@ -275,23 +276,58 @@ static VIDEO_UPDATE(magicard)
count = ((SCC_VSR_VREG)/2);
for(y=0;y<300;y++)
if(SCC_FG_VREG) //4bpp gfx
{
for(x=0;x<168;x++)
for(y=0;y<300;y++)
{
UINT32 color;
for(x=0;x<84;x++)
{
UINT32 color;
color = ((magicram[count]) & 0x00ff)>>0;
color = ((magicram[count]) & 0x000f)>>0;
if((x*2)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*2)+1) = screen->machine->pens[color];
if(((x*4)+3)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*4)+3) = screen->machine->pens[color];
color = ((magicram[count]) & 0xff00)>>8;
color = ((magicram[count]) & 0x00f0)>>4;
if(((x*2)+1)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*2)+0) = screen->machine->pens[color];
if(((x*4)+2)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*4)+2) = screen->machine->pens[color];
count++;
color = ((magicram[count]) & 0x0f00)>>8;
if(((x*4)+1)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*4)+1) = screen->machine->pens[color];
color = ((magicram[count]) & 0xf000)>>12;
if(((x*4)+0)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*4)+0) = screen->machine->pens[color];
count++;
}
}
}
else //8bpp gfx
{
for(y=0;y<300;y++)
{
for(x=0;x<168;x++)
{
UINT32 color;
color = ((magicram[count]) & 0x00ff)>>0;
if(((x*2)+1)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*2)+1) = screen->machine->pens[color];
color = ((magicram[count]) & 0xff00)>>8;
if(((x*2)+0)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, (x*2)+0) = screen->machine->pens[color];
count++;
}
}
}
@ -316,9 +352,9 @@ static WRITE16_HANDLER( paletteram_io_w )
{
case 0:
pal_offs = data;
internal_pal_offs = 0;
break;
case 4:
internal_pal_offs = 0;
break;
case 2:
switch(internal_pal_offs)