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Fixed DMA mirror and removed hack

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This commit is contained in:
Angelo Salese 2013-02-23 15:10:31 +00:00
parent 76b5dcfc05
commit 1fb9b3d04e
1 changed files with 6 additions and 10 deletions
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16
src/mame/drivers/coolridr.c
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@ -800,7 +800,7 @@ void coolridr_state::blit_current_sprite(address_space &space)
{
// b1colorNumber = space.machine().rand()&0xfff;
}
// if(b1colorNumber > 0x60 || b2colorNumber)
// printf("%08x %08x\n",b1colorNumber,b2colorNumber);
@ -1090,7 +1090,7 @@ void coolridr_state::blit_current_sprite(address_space &space)
// these should be 'cell numbers' (tile numbers) which look up RLE data?
UINT32 spriteNumber = (m_expanded_10bit_gfx[ (b3romoffset) + (lookupnum<<1) +0 ] << 10) | (m_expanded_10bit_gfx[ (b3romoffset) + (lookupnum<<1) + 1 ]);
UINT16 tempshape[16*16];
int color_offs = (0x7b20 + (b1colorNumber & 0x7ff))*0x40 * 5; /* yes, * 5 */
// skip the decoding if it's the same tile as last time!
@ -1581,15 +1581,11 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
src = (m_framebuffer_vram[(0+dma_index)/4] & 0x03ffffff);
dst = (m_framebuffer_vram[(4+dma_index)/4]);
size = m_framebuffer_vram[(8+dma_index)/4];
/*
special: copy palette RAM to palette RAM (otherwise attract mode tries to read from tile data)
*/
if((src & 0x03f00000) == 0x03e00000)
src &= ~0x00200000;
/* Note: there are also some reads at 0x3e00000. This tells us that the DMA thing actually mirrors at 0x3c00000 too. */
if(dst & 0xfff00000)
printf("unk values to %02x dst %08x\n",cmd,dst);
dst &= 0x000fffff;
dst |= 0x03c00000;
dst |= 0x03800000;
is_dma = 1;
//printf("%08x %08x %08x %02x\n",src,dst,size,cmd);
dma_index+=0xc;
@ -1660,8 +1656,8 @@ static ADDRESS_MAP_START( system_h1_map, AS_PROGRAM, 32, coolridr_state )
AM_RANGE(0x01000000, 0x01ffffff) AM_ROM AM_REGION("gfx_data",0x0000000)
AM_RANGE(0x03000000, 0x030fffff) AM_RAM AM_SHARE("h1_vram")//bg vram TODO: fake region
AM_RANGE(0x03c00000, 0x03c0ffff) AM_RAM_WRITE(sysh1_pal_w) AM_SHARE("paletteram")
AM_RANGE(0x03e00000, 0x03efffff) AM_RAM_WRITE(sysh1_dma_w) AM_SHARE("fb_vram")
AM_RANGE(0x03800000, 0x0380ffff) AM_RAM_WRITE(sysh1_pal_w) AM_SHARE("paletteram")
AM_RANGE(0x03c00000, 0x03c1ffff) AM_MIRROR(0x00200000) AM_RAM_WRITE(sysh1_dma_w) AM_SHARE("fb_vram") /* mostly mapped at 0x03e00000 */
AM_RANGE(0x03f00000, 0x03f0ffff) AM_RAM AM_SHARE("share3") /*Communication area RAM*/
AM_RANGE(0x03f40000, 0x03f4ffff) AM_RAM AM_SHARE("txt_vram")//text tilemap + "lineram"