Sprinter/mame
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Not sure that this one is fully decrypted, it basically does illegal/uses undefined stuff

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This commit is contained in:
Angelo Salese 2009-05-31 19:48:24 +00:00
parent e9c34b90c1
commit c800e27eae
1 changed files with 35 additions and 5 deletions
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40
src/mame/drivers/mirax.c
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@ -75,6 +75,26 @@ static VIDEO_START(mirax)
static VIDEO_UPDATE(mirax)
{
const gfx_element *gfx = screen->machine->gfx[0];
int count = 0x00000;
int y,x;
for (y=0;y<32;y++)
{
for (x=0;x<32;x++)
{
int tile = videoram[count];
//int colour = tile>>12;
drawgfx(bitmap,gfx,tile & 0xff,0,0,0,x*8,y*8,cliprect,TRANSPARENCY_NONE,0);
count++;
}
}
#ifdef MAME_DEBUG
//audio tester
if(input_code_pressed_once(KEYCODE_Q))
@ -119,9 +139,19 @@ static WRITE8_DEVICE_HANDLER(ay_sel)
}
}
static READ8_HANDLER( unk_r )
{
return mame_rand(space->machine);
}
static ADDRESS_MAP_START( mirax_main_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0xbfff) AM_ROM
AM_RANGE(0x0000, 0xbfff) AM_ROM AM_WRITENOP //shoudn't write there!
//AM_RANGE(0xc000, 0xc7ff) AM_RAM
//AM_RANGE(0xc800, 0xcfff) AM_RAM //probably spriteram
AM_RANGE(0xd000, 0xd7ff) AM_RAM
//AM_RANGE(0xd800, 0xdfff) AM_RAM
AM_RANGE(0xe000, 0xe3ff) AM_RAM AM_BASE(&videoram)
AM_RANGE(0xf300, 0xf300) AM_READ(unk_r) //watchdog?
ADDRESS_MAP_END
static ADDRESS_MAP_START( mirax_io_map, ADDRESS_SPACE_IO, 8 )
@ -213,10 +243,10 @@ PALETTE_INIT( mirax )
}
static MACHINE_DRIVER_START( mirax )
MDRV_CPU_ADD("maincpu", Z80, 12000000) // audio cpu ?
MDRV_CPU_ADD("maincpu", Z80, 12000000) // ceramic potted module, encrypted z80
MDRV_CPU_PROGRAM_MAP(mirax_main_map)
MDRV_CPU_IO_MAP(mirax_io_map)
//MDRV_CPU_VBLANK_INT_HACK(irq0_line_hold, 2)
//MDRV_CPU_VBLANK_INT("screen",nmi_line_pulse)
MDRV_CPU_ADD("audiocpu", Z80, 12000000) // audio cpu ?
MDRV_CPU_PROGRAM_MAP(mirax_sound_map)
@ -248,7 +278,7 @@ static MACHINE_DRIVER_START( mirax )
MACHINE_DRIVER_END
ROM_START( mirax )
ROM_REGION( 0xc000, "maincpu", 0 )
ROM_REGION( 0xc000, "maincpu", 0 ) // encrypted code
ROM_LOAD( "mxp5-42.rom", 0x0000, 0x4000, CRC(716410a0) SHA1(55171376e1e164b1d5e728789da6e04a3a33c172) )
ROM_LOAD( "mxr5-4v.rom", 0x4000, 0x4000, CRC(c9484fc3) SHA1(101c5e4b9d49d2424ad80970eb3bdb87949a9966) )
ROM_LOAD( "mxs5-4v.rom", 0x8000, 0x4000, CRC(e0085f91) SHA1(cf143b94048e1ebb5c899b94b500e193dfd42e18) )
@ -275,9 +305,9 @@ ROM_START( mirax )
ROM_LOAD( "mra3.prm", 0x0000, 0x0020, CRC(ae7e1a63) SHA1(f5596db77c1e352ef7845465db3e54e19cd5df9e) )
ROM_LOAD( "mrb3.prm", 0x0020, 0x0020, CRC(e3f3d0f5) SHA1(182b06c9db5bec1e3030f705247763bd2380ba83) )
ROM_LOAD( "mirax.prm", 0x0040, 0x0020, NO_DUMP )
ROM_END
static DRIVER_INIT( mirax )
{
UINT8 *ROM = memory_region(machine, "maincpu");