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Some hook-ups for the text blitter

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This commit is contained in:
Angelo Salese 2009-12-07 21:53:10 +00:00
parent 75b0d0c872
commit ee2a6affca
1 changed files with 71 additions and 8 deletions
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79
src/mame/drivers/coolridr.c
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@ -220,6 +220,7 @@ Notes:
static UINT32* sysh1_workram_h,*framebuffer_vram, *h1_unk, *h1_charram, *h1_vram;
static UINT32* sysh1_txt_blit;
static UINT32* txt_vram;
/* video */
@ -328,12 +329,42 @@ static WRITE32_HANDLER(sysh1_ioga_w)
COMBINE_DATA(&h1_ioga[offset]);
}
#endif
/*
CMD = 03f4 PARAM = 0230 | ¦
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 00000059
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 07000000
CMD = ac90 PARAM = 0001 DATA = 00010000
CMD = ac90 PARAM = 0001 DATA = 00010001
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 00400040
CMD = ac90 PARAM = 0001 DATA = 01200050
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 03f40230
/* this looks like an exotic I/O-based tilemap blitter, very unusual from Sega... */
CMD = 03f4 PARAM = 0170 | ¦
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 00000059
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 07000000
CMD = ac90 PARAM = 0001 DATA = 00010000
CMD = ac90 PARAM = 0001 DATA = 00010001
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 00400040
CMD = ac90 PARAM = 0001 DATA = 00800050
CMD = ac90 PARAM = 0001 DATA = 00000000
CMD = ac90 PARAM = 0001 DATA = 03f40170
*/
/* this looks like an exotic I/O-based tilemap / sprite blitter, very unusual from Sega... */
static WRITE32_HANDLER( sysh1_txt_blit_w )
{
static UINT16 cmd,param;
static UINT32 dst_addr;
static UINT32 txt_buff[0x10],attr_buff[0x10];
static UINT8 txt_index,attr_index;
COMBINE_DATA(&sysh1_txt_blit[offset]);
@ -343,19 +374,49 @@ static WRITE32_HANDLER( sysh1_txt_blit_w )
cmd = (sysh1_txt_blit[offset] & 0xffff0000) >> 16;
param = (sysh1_txt_blit[offset] & 0x0000ffff) >> 0;
dst_addr = 0x3f40000;
txt_index = 0;
attr_index = 0;
break;
case 0x14/4: //data
/* "THIS MACHINE IS STAND-ALONE." / disclaimer written with this CMD */
if((cmd & 0xff) == 0xf4)
{
/* FIXME: color offset and proper offset calculation */
memory_write_dword(space,(dst_addr + param),data);
dst_addr+=4;
txt_buff[txt_index++] = data;
//printf("PARAM = %04x | %c%c%c%c\n",param,(data >> 24) & 0xff,(data >> 16) & 0xff,(data >> 8) & 0xff,(data >> 0) & 0xff);
//printf("CMD = %04x PARAM = %04x | %c%c%c%c\n",cmd,param,(data >> 24) & 0xff,(data >> 16) & 0xff,(data >> 8) & 0xff,(data >> 0) & 0xff);
}
//else
// printf("CMD = %04x PARAM = %04x DATA = %08x\n",cmd,param,data);
else if((cmd & 0xff) == 0x90 || (cmd & 0xff) == 0x30)
{
attr_buff[attr_index++] = data;
if(attr_index == 0xa)
{
static UINT16 x,y;
y = (attr_buff[9] & 0x01f00000) >> 20;
x = (attr_buff[9] & 0x1f0) >> 4;
dst_addr = 0x3f40000 | y*0x40 | x;
}
if(attr_index == 0xc)
{
static UINT8 size;
size = (attr_buff[6] / 4)+1;
for(txt_index = 0;txt_index < size; txt_index++)
{
memory_write_dword(space,(dst_addr),txt_buff[txt_index]);
dst_addr+=4;
}
}
}
else if((cmd & 0xff) == 0x10)
{
static UINT32 clear_vram;
for(clear_vram=0x3f40000;clear_vram < 0x3f4ffff;clear_vram+=4)
memory_write_dword(space,(clear_vram),0x00000000);
}
else
printf("CMD = %04x PARAM = %04x DATA = %08x\n",cmd,param,data);
break;
}
}
@ -391,10 +452,12 @@ static void sysh1_dma_transfer( const address_space *space, UINT16 dma_index )
size = framebuffer_vram[(8+dma_index)/4];
type = (framebuffer_vram[(0+dma_index)/4] & 0xf0000000) >> 28;
#if 0
if(type == 0xc || type == 0xd || type == 0xe)
printf("* %08x %08x %08x %08x\n",src,dst,size,type);
else if(type != 0 && type != 0x4)
printf("%08x %08x %08x %08x\n",src,dst,size,type);
#endif
if(type == 0x3 || type == 0x4)
{
@ -488,7 +551,7 @@ static ADDRESS_MAP_START( system_h1_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x03e00000, 0x03efffff) AM_RAM_WRITE(sysh1_dma_w) AM_BASE(&framebuffer_vram) //FIXME: not all of it
AM_RANGE(0x03f00000, 0x03f0ffff) AM_RAM AM_SHARE("share3") /*Communication area RAM*/
AM_RANGE(0x03f40000, 0x03f4ffff) AM_RAM //text tilemap + "lineram"
AM_RANGE(0x03f40000, 0x03f4ffff) AM_RAM AM_BASE(&txt_vram)//text tilemap + "lineram"
AM_RANGE(0x04000000, 0x0400003f) AM_RAM_WRITE(sysh1_txt_blit_w) AM_BASE(&sysh1_txt_blit)
AM_RANGE(0x06000000, 0x060fffff) AM_RAM AM_BASE(&sysh1_workram_h)
AM_RANGE(0x20000000, 0x201fffff) AM_ROM AM_SHARE("share1")