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Added preliminary layer clearance in Puzzlet [Angelo Salese]

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This commit is contained in:
Angelo Salese 2010-03-24 19:46:16 +00:00
parent c2144b58b7
commit 59e17f40c9
1 changed files with 40 additions and 6 deletions
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46
src/mame/drivers/metro.c
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@ -149,7 +149,7 @@ static void update_irq_state( running_machine *machine )
}
else
{
/* This is for games where every IRQ source generates the same IRQ level. The interrupt service routine
/* This is for games where every IRQ source generates the same IRQ level. The interrupt service routine
then reads the actual source by peeking a register (metro_irq_cause_r) */
int irq_state = (irq ? ASSERT_LINE : CLEAR_LINE);
@ -236,7 +236,7 @@ static INTERRUPT_GEN( msgogo_interrupt )
update_irq_state(device->machine);
break;
}
}
}
static TIMER_CALLBACK( vblank_end_callback )
@ -1823,6 +1823,38 @@ static WRITE16_HANDLER( puzzlet_irq_enable_w )
*state->irq_enable = data ^ 0xffff;
}
/* FIXME: algorythm not yet understood. */
static WRITE16_HANDLER( vram_0_clr_w )
{
static int i;
metro_state *state = (metro_state *)space->machine->driver_data;
// printf("0 %04x %04x\n",offset,data);
for(i=0;i<0x20/2;i++)
state->vram_0[(offset*0x10+i)/2] = 0xffff;
}
static WRITE16_HANDLER( vram_1_clr_w )
{
static int i;
metro_state *state = (metro_state *)space->machine->driver_data;
// printf("0 %04x %04x\n",offset,data);
for(i=0;i<0x20/2;i++)
state->vram_1[(offset*0x10+i)/2] = 0xffff;
}
static WRITE16_HANDLER( vram_2_clr_w )
{
static int i;
metro_state *state = (metro_state *)space->machine->driver_data;
// printf("0 %04x %04x\n",offset,data);
for(i=0;i<0x20/2;i++)
state->vram_2[(offset*0x10+i)/2] = 0xffff;
}
// H8/3007 CPU
static ADDRESS_MAP_START( puzzlet_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x1fffff) AM_ROM
@ -1842,7 +1874,9 @@ static ADDRESS_MAP_START( puzzlet_map, ADDRESS_SPACE_PROGRAM, 16 )
// AM_RANGE(0x772000, 0x773fff) AM_RAM
AM_RANGE(0x770000, 0x773fff) AM_RAM_WRITE(paletteram16_GGGGGRRRRRBBBBBx_word_w) AM_BASE_GENERIC(paletteram) // Palette
AM_RANGE(0x775000, 0x777fff) AM_RAM
AM_RANGE(0x775000, 0x775fff) AM_RAM_WRITE(vram_0_clr_w)
AM_RANGE(0x776000, 0x776fff) AM_RAM_WRITE(vram_1_clr_w)
AM_RANGE(0x777000, 0x777fff) AM_RAM_WRITE(vram_2_clr_w)
AM_RANGE(0x778000, 0x7787ff) AM_RAM AM_BASE_SIZE_MEMBER(metro_state, tiletable, tiletable_size) // Tiles Set
AM_RANGE(0x778800, 0x778813) AM_WRITEONLY AM_BASE_MEMBER(metro_state, videoregs) // Video Registers
@ -3663,7 +3697,7 @@ static MACHINE_DRIVER_START( msgogo )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", M68000, 16000000)
MDRV_CPU_PROGRAM_MAP(msgogo_map)
MDRV_CPU_VBLANK_INT_HACK(msgogo_interrupt,262) /* ? */
MDRV_CPU_VBLANK_INT_HACK(msgogo_interrupt,262) /* ? */
MDRV_MACHINE_START(metro)
MDRV_MACHINE_RESET(metro)
@ -4306,8 +4340,8 @@ static MACHINE_DRIVER_START( pururun )
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", M68000, 12000000)
MDRV_CPU_PROGRAM_MAP(pururun_map)
//MDRV_CPU_VBLANK_INT_HACK(msgogo_interrupt,262) /* fixes the title screen scroll in GunMaster, but makes the game painfully slow */
MDRV_CPU_VBLANK_INT_HACK(metro_interrupt,10) /* ? */
//MDRV_CPU_VBLANK_INT_HACK(msgogo_interrupt,262) /* fixes the title screen scroll in GunMaster, but makes the game painfully slow */
MDRV_CPU_VBLANK_INT_HACK(metro_interrupt,10) /* ? */
MDRV_CPU_ADD("audiocpu", UPD7810, 12000000)
MDRV_CPU_CONFIG(metro_cpu_config)