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Hooked up second layer, no whatsnew

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This commit is contained in:
Angelo Salese 2010-07-05 23:52:39 +00:00
parent b0a74c9e0f
commit 995097894f
1 changed files with 26 additions and 4 deletions
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30
src/mame/drivers/cb2001.c
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@ -329,7 +329,8 @@ e328e 18 c0 xor al,al
70 ret
*/
static UINT16 *cb2001_vram;
static UINT16 *cb2001_vram_fg;
static UINT16* cb2001_vram_bg;
static int cb2001_videobank;
static VIDEO_START(cb2001)
@ -350,11 +351,31 @@ static VIDEO_UPDATE(cb2001)
int tile;
int colour;
tile = (cb2001_vram[count] & 0x0fff);
colour = (cb2001_vram[count] & 0xf000)>>12;
tile = (cb2001_vram_bg[count] & 0x0fff);
colour = (cb2001_vram_bg[count] & 0xf000)>>12;
tile += cb2001_videobank*0x2000;
drawgfx_opaque(bitmap,cliprect,screen->machine->gfx[0],tile,colour,0,0,x*8,y*8);
count++;
}
}
count = 0x0000;
for (y=0;y<32;y++)
{
for (x=0;x<64;x++)
{
int tile;
int colour;
tile = (cb2001_vram_fg[count] & 0x0fff);
colour = (cb2001_vram_fg[count] & 0xf000)>>12;
tile += cb2001_videobank*0x2000;
drawgfx_transpen(bitmap,cliprect,screen->machine->gfx[0],tile,colour,0,0,x*8,y*8, 0);
count++;
}
}
@ -388,7 +409,8 @@ WRITE16_HANDLER( cb2001_vidctrl2_w )
static ADDRESS_MAP_START( cb2001_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x00000, 0x1ffff) AM_RAM
AM_RANGE(0x20000, 0x21fff) AM_RAM AM_BASE(&cb2001_vram)
AM_RANGE(0x20000, 0x20fff) AM_RAM AM_BASE(&cb2001_vram_fg)
AM_RANGE(0x21000, 0x21fff) AM_RAM AM_BASE(&cb2001_vram_bg)
AM_RANGE(0xc0000, 0xfffff) AM_ROM AM_REGION("boot_prg",0)
ADDRESS_MAP_END