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Cool Riders: slightly improved booting

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This commit is contained in:
Angelo Salese 2009-12-01 23:41:11 +00:00
parent 81520effea
commit f1f61bf97b
1 changed files with 61 additions and 11 deletions
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72
src/mame/drivers/coolridr.c
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@ -69,11 +69,33 @@ static VIDEO_UPDATE(coolridr)
0x3e0bc00-0x3e0cbff and 0x3e0cc00-0x3e0dbff looks like tilemap planes.
0x3e00000 onward seems to contain video registers, I've seen MAP registers that clearly points to the aforementioned planes.
*/
const gfx_element *gfx = screen->machine->gfx[5];
int count = 0x0bc00/4;
int y,x;
for (y=0;y<64;y++)
{
for (x=0;x<64;x+=2)
{
int tile;
tile = (framebuffer_vram[count] & 0x0fff0000) >> 16;
//int colour = tile>>12;
drawgfx_opaque(bitmap,cliprect,gfx,tile,0,0,0,(x+0)*8,y*8);
tile = (framebuffer_vram[count] & 0x00000fff) >> 0;
drawgfx_opaque(bitmap,cliprect,gfx,tile,0,0,0,(x+1)*8,y*8);
count++;
}
}
return 0;
}
/* end video */
/* same as ST-V? */
static READ32_HANDLER(sysh1_ioga_r)
{
switch(offset)
@ -86,14 +108,25 @@ static READ32_HANDLER(sysh1_ioga_r)
return (h1_ioga[offset] & 0xfdffffff) | (vblank<<25);
}
case 0x14/4:
return h1_ioga[offset];
//case 0x20/4:
}
return h1_ioga[offset];
return 0xffffffff;//h1_ioga[offset];
}
static WRITE32_HANDLER(sysh1_ioga_w)
{
COMBINE_DATA(&h1_ioga[offset]);
switch(offset)
{
case 0x14/4: //likely to be a serial port
/* "THIS MACHINE IS STAND-ALONE." written here, amongst with non-ASCII chars. */
//printf("%c%c%c%c\n",(data >> 24) & 0xff,(data >> 16) & 0xff,(data >> 8) & 0xff,(data >> 0) & 0xff);
break;
}
}
#ifdef UNUSED_FUNCTION
@ -166,8 +199,7 @@ static ADDRESS_MAP_START( system_h1_map, ADDRESS_SPACE_PROGRAM, 32 )
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)
// AM_RANGE(0x04000000, 0x0400001f) AM_RAM /*???*/
AM_RANGE(0x04000000, 0x0400ffff) AM_RAM /*dunno what it is,might be palette RAM*/
AM_RANGE(0x04000000, 0x0400003f) AM_READWRITE(sysh1_ioga_r,sysh1_ioga_w) AM_BASE(&h1_ioga) /*input area?*/
AM_RANGE(0x06000000, 0x060fffff) AM_RAM AM_BASE(&sysh1_workram_h)
AM_RANGE(0x20000000, 0x200fffff) AM_ROM AM_SHARE(1)
@ -179,8 +211,10 @@ static ADDRESS_MAP_START( coolridr_submap, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x01000000, 0x0100ffff) AM_RAM
AM_RANGE(0x03008800, 0x03008803) AM_RAM /*???*/
AM_RANGE(0x03008900, 0x03008903) AM_RAM /*???*/
AM_RANGE(0x03100400, 0x03100403) AM_RAM /*irq enable?*/
AM_RANGE(0x03208800, 0x03208803) AM_RAM /*???*/
AM_RANGE(0x03208900, 0x03208903) AM_RAM /*???*/
AM_RANGE(0x03300400, 0x03300403) AM_RAM /*irq enable?*/
@ -253,10 +287,13 @@ INPUT_PORTS_END
// IRQs 4 & 6 are valid on SH-2
static INTERRUPT_GEN( system_h1 )
{
// if (cpu_getiloops(device))
// cpu_set_input_line(device, 4, HOLD_LINE);
// else
// cpu_set_input_line(device, 6, HOLD_LINE);
cpu_set_input_line(device, 4, HOLD_LINE);
/* switch(cpu_getiloops(device))
{
case 0: break;
case 1:cpu_set_input_line(device, 6, HOLD_LINE); break;
// case 2:cpu_set_input_line(device, 8, HOLD_LINE); break;
}*/
}
//IRQs 10,12 and 14 are valid on SH-1 instead
@ -281,7 +318,7 @@ static MACHINE_RESET ( coolridr )
static MACHINE_DRIVER_START( coolridr )
MDRV_CPU_ADD("maincpu", SH2, 28000000) // ?? mhz
MDRV_CPU_PROGRAM_MAP(system_h1_map)
MDRV_CPU_VBLANK_INT_HACK(system_h1, 2)
MDRV_CPU_VBLANK_INT("screen",system_h1)
MDRV_CPU_ADD("soundcpu", M68000, 12000000) // ?? mhz
MDRV_CPU_PROGRAM_MAP(system_h1_sound_map)
@ -314,10 +351,12 @@ ROM_START( coolridr )
ROM_LOAD32_WORD_SWAP( "ep17660.31", 0x0100002, 0x080000, CRC(27b7a507) SHA1(4c28b1d18d75630a73194b5d4fd166f3b647c595) )
ROM_REGION( 0x100000, "soundcpu", ROMREGION_ERASE00 ) /* 68000 */
/* uploaded by the main CPU */
ROM_REGION( 0x100000, "sub", 0 ) /* SH1 */
ROM_LOAD16_WORD_SWAP( "ep17662.12", 0x000000, 0x020000, CRC(50d66b1f) SHA1(f7b7f2f5b403a13b162f941c338a3e1207762a0b) )
/* Page 12 of the service manual states that these 4 regions are tested, so I believe that they are read by the SH-2 */
ROM_REGION( 0x0400000, "gfx1", 0 ) /* Tiles. . at least 1 format */
ROM_LOAD32_WORD_SWAP( "mp17650.11",0x000000, 0x0200000, CRC(0ccc84a1) SHA1(65951685b0c8073f6bd1cf9959e1b4d0fc6031d8) )
ROM_LOAD32_WORD_SWAP( "mp17651.12",0x000002, 0x0200000, CRC(25fd7dde) SHA1(a1c3f3d947ce20fbf61ea7ab235259be9b7d35a8) )
@ -349,14 +388,25 @@ ROM_START( coolridr )
ROM_END
/*TODO: there must be an irq line with custom vector located somewhere that writes to here...*/
static READ32_HANDLER( coolridr_hack_r )
#if 0
static READ32_HANDLER( coolridr_hack1_r )
{
return 0;
return sysh1_workram_h[0xd88a4/4];
}
#endif
static READ32_HANDLER( coolridr_hack2_r )
{
if(cpu_get_pc(space->cpu) == 0x6002cba || cpu_get_pc(space->cpu) == 0x6002d42)
return 0;
return sysh1_workram_h[0xd8894/4];
}
static DRIVER_INIT( coolridr )
{
memory_install_read32_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x60d88a4, 0x060d88a7, 0, 0, coolridr_hack_r );
// memory_install_read32_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x60d88a4, 0x060d88a7, 0, 0, coolridr_hack1_r );
memory_install_read32_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x60d8894, 0x060d8897, 0, 0, coolridr_hack2_r );
}
GAME( 1995, coolridr, 0, coolridr, coolridr, coolridr, ROT0, "Sega", "Cool Riders",GAME_NOT_WORKING|GAME_NO_SOUND )