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Speed up attckufo.

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This commit is contained in:
Aaron Giles 2010-07-02 04:06:07 +00:00
parent fa2d8a88a4
commit 001f2462c9
1 changed files with 6 additions and 16 deletions
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22
src/mame/drivers/attckufo.c
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@ -51,14 +51,16 @@ class attckufo_state
public: public:
static void *alloc(running_machine &machine) { return auto_alloc_clear(&machine, attckufo_state(machine)); } static void *alloc(running_machine &machine) { return auto_alloc_clear(&machine, attckufo_state(machine)); }
attckufo_state(running_machine &machine) { } attckufo_state(running_machine &machine)
: maincpu(machine.device<cpu_device>("maincpu")),
mos6560(machine.device("mos6560")) { }
/* memory pointers */ /* memory pointers */
UINT8 * mainram; UINT8 * mainram;
UINT8 * tileram; UINT8 * tileram;
/* devices */ /* devices */
running_device *maincpu; cpu_device *maincpu;
running_device *mos6560; running_device *mos6560;
}; };
@ -169,15 +171,13 @@ static VIDEO_UPDATE( attckufo )
static int attckufo_dma_read( running_machine *machine, int offset ) static int attckufo_dma_read( running_machine *machine, int offset )
{ {
attckufo_state *state = (attckufo_state *)machine->driver_data; attckufo_state *state = (attckufo_state *)machine->driver_data;
const address_space *program = cpu_get_address_space(state->maincpu, ADDRESS_SPACE_PROGRAM); return memory_read_byte(state->maincpu->space(AS_PROGRAM), offset);
return memory_read_byte(program, offset);
} }
static int attckufo_dma_read_color( running_machine *machine, int offset ) static int attckufo_dma_read_color( running_machine *machine, int offset )
{ {
attckufo_state *state = (attckufo_state *)machine->driver_data; attckufo_state *state = (attckufo_state *)machine->driver_data;
const address_space *program = cpu_get_address_space(state->maincpu, ADDRESS_SPACE_PROGRAM); return memory_read_byte(state->maincpu->space(AS_PROGRAM), offset + 0x400);
return memory_read_byte(program, offset + 0x400);
} }
static const mos6560_interface attckufo_6560_intf = static const mos6560_interface attckufo_6560_intf =
@ -190,14 +190,6 @@ static const mos6560_interface attckufo_6560_intf =
}; };
static MACHINE_START( attckufo )
{
attckufo_state *state = (attckufo_state *)machine->driver_data;
state->maincpu = devtag_get_device(machine, "maincpu");
state->mos6560 = devtag_get_device(machine, "mos6560");
}
static MACHINE_DRIVER_START( attckufo ) static MACHINE_DRIVER_START( attckufo )
/* driver data */ /* driver data */
@ -208,8 +200,6 @@ static MACHINE_DRIVER_START( attckufo )
MDRV_CPU_PROGRAM_MAP(cpu_map) MDRV_CPU_PROGRAM_MAP(cpu_map)
MDRV_CPU_PERIODIC_INT(attckufo_raster_interrupt, MOS656X_HRETRACERATE) MDRV_CPU_PERIODIC_INT(attckufo_raster_interrupt, MOS656X_HRETRACERATE)
MDRV_MACHINE_START(attckufo)
/* video hardware */ /* video hardware */
MDRV_SCREEN_ADD("screen", RASTER) MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(MOS6560_VRETRACERATE) MDRV_SCREEN_REFRESH_RATE(MOS6560_VRETRACERATE)