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Cool Riders: basic DMA hooked up

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This commit is contained in:
Angelo Salese 2009-12-03 23:03:13 +00:00
parent 179960b682
commit 9bc7aee599
1 changed files with 47 additions and 28 deletions
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75
src/mame/drivers/coolridr.c
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@ -55,7 +55,7 @@ SEGA CUSTOM IC :
#include "deprecat.h"
#include "sound/scsp.h"
static UINT32* sysh1_workram_h,*h1_ioga,*framebuffer_data,*framebuffer_vram;
static UINT32* sysh1_workram_h,*h1_ioga,*framebuffer_vram;
/* video */
@ -146,29 +146,6 @@ static WRITE32_HANDLER( paletteram32_sysh1_w )
r = ((space->machine->generic.paletteram.u32[offset] & 0x001f0000) >> 16);
palette_set_color_rgb(space->machine,offset*2,pal5bit(r),pal5bit(g),pal5bit(b));
}
static WRITE32_HANDLER( sysh1_dmac_w )
{
static UINT32 src,dst,size;
COMBINE_DATA(&dma_data[offset]);
if(offset == 0x10/4)
src = dma_data[offset] & 0x7fffff0;
if(offset == 0x14/4)
{
dst = dma_data[offset] & 0x7fffff0;
if(dma_data[offset] & 0x40000000)
{
for(size=0;size<0x800;size+=4)
{
program_write_dword(dst,program_read_dword(src));
dst+=4;
src+=4;
}
popmessage("!");
}
}
}
#endif
//UINT16* sysh1_soundram;
@ -192,6 +169,28 @@ static WRITE32_HANDLER( coolridr_pal_w )
palette_set_color(space->machine,offset,MAKE_RGB(r,g,b));
}
/* FIXME: this copies some (wrong) data, src doesn't seem to point to the right data at the current time... */
static void sysh1_dma_transfer( const address_space *space, UINT8 ch )
{
static UINT32 src,dst,size,type,s_i;
src = (framebuffer_vram[(0x6c0+ch*0xc)/4] & 0x0fffffff);
dst = (framebuffer_vram[(0x6c4+ch*0xc)/4] & 0xfffff) | 0x03e00000;
size = framebuffer_vram[(0x6c8+ch*0xc)/4]*2;
type = (framebuffer_vram[(0x6c0+ch*0xc)/4] & 0xf0000000) >> 28;
if(type == 0xd)
{
for(s_i=0;s_i<size;s_i+=4)
{
memory_write_dword(space,dst,memory_read_dword(space,src));
dst+=4;
src+=4;
}
}
}
static WRITE32_HANDLER( sysh1_dma_w )
{
COMBINE_DATA(&framebuffer_vram[offset]);
@ -201,16 +200,32 @@ static WRITE32_HANDLER( sysh1_dma_w )
if(!(offset*4 == 0x6c0 && data == 0))
printf("%08x -> [%04x]\n",framebuffer_vram[offset],(offset*4));
}
if(offset*4 == 0x6d8)
{
sysh1_dma_transfer(space, 0);
sysh1_dma_transfer(space, 1);
}
{
UINT8 *gfx = memory_region(space->machine, "ram_gfx");
gfx[offset*4+0] = (framebuffer_vram[offset] & 0xff000000) >> 24;
gfx[offset*4+1] = (framebuffer_vram[offset] & 0x00ff0000) >> 16;
gfx[offset*4+2] = (framebuffer_vram[offset] & 0x0000ff00) >> 8;
gfx[offset*4+3] = (framebuffer_vram[offset] & 0x000000ff) >> 0;
gfx_element_mark_dirty(space->machine->gfx[3], offset/16);
}
}
static ADDRESS_MAP_START( system_h1_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x00000000, 0x000fffff) AM_ROM AM_SHARE(1)
AM_RANGE(0x00000000, 0x000fffff) AM_ROM AM_SHARE(1) AM_WRITENOP
AM_RANGE(0x01000000, 0x010fffff) AM_ROM AM_REGION("maincpu_data",0x0000000) //correct?
AM_RANGE(0x01400000, 0x023fffff) AM_ROM AM_REGION("gfx_data",0x0000000) //correct?
AM_RANGE(0x01200000, 0x021fffff) AM_ROM AM_REGION("gfx_data",0x0000000) //correct?
/*WARNING: boundaries of these two are WRONG!*/
AM_RANGE(0x03e00000, 0x03e0ffff) AM_RAM_WRITE(sysh1_dma_w) AM_BASE(&framebuffer_vram)/*Buffer VRAM Chains*/
AM_RANGE(0x03e10000, 0x03e11fff) AM_RAM AM_BASE(&framebuffer_data)/*Buffer data should go here*/
AM_RANGE(0x03e00000, 0x03efffff) AM_RAM_WRITE(sysh1_dma_w) AM_BASE(&framebuffer_vram)
AM_RANGE(0x03f00000, 0x03f0ffff) AM_RAM AM_SHARE(3) /*Communication area RAM*/
AM_RANGE(0x03f40000, 0x03f4ffff) AM_RAM_WRITE(coolridr_pal_w) AM_BASE_GENERIC(paletteram)
@ -292,6 +307,7 @@ static GFXDECODE_START( coolridr )
GFXDECODE_ENTRY( "maincpu_data", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_ENTRY( "gfx_data", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_ENTRY( "gfx5", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_ENTRY( "ram_gfx", 0, tiles8x8_layout, 0, 16 )
GFXDECODE_END
static INPUT_PORTS_START( coolridr )
@ -376,6 +392,9 @@ ROM_START( coolridr )
ROM_LOAD32_WORD_SWAP( "mp17656.17", 0x0c00000, 0x0200000, CRC(945c89e3) SHA1(8776d74f73898d948aae3c446d7c710ad0407603) )
ROM_LOAD32_WORD_SWAP( "mp17657.18", 0x0c00002, 0x0200000, CRC(74676b1f) SHA1(b4a9003a052bde93bebfa4bef9e8dff65003c3b2) )
ROM_REGION32_BE( 0x100000, "ram_gfx", ROMREGION_ERASE00 ) /* SH2 code */
ROM_REGION( 0x100000, "soundcpu", ROMREGION_ERASE00 ) /* 68000 */
/* uploaded by the main CPU */