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Implemented NMI enable flag in Lucky 8 Lines and Magical Odds, fixes logic quirks in the latter [Angelo Salese]

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Angelo Salese 2010-03-09 22:02:01 +00:00
parent a74049297c
commit cc37f2df2a
2 changed files with 24 additions and 6 deletions
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29
src/mame/drivers/goldstar.c
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@ -400,7 +400,8 @@ static ADDRESS_MAP_START(magical_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0xb850, 0xb850) AM_WRITENOP //lamps
AM_RANGE(0xb860, 0xb860) AM_WRITENOP //watchdog
AM_RANGE(0xb870, 0xb870) AM_DEVWRITE("snsnd", sn76496_w) /* sound */
AM_RANGE(0xf800, 0xffff) AM_RAM //AM_REGION("maincpu",0xc000)
// AM_RANGE(0xc000, 0xcfff) AM_ROM AM_REGION("maincpu", 0xf000)
AM_RANGE(0xc000, 0xffff) AM_RAM AM_REGION("maincpu",0xc000)
ADDRESS_MAP_END
static ADDRESS_MAP_START( kkojnoli_map, ADDRESS_SPACE_PROGRAM, 8 )
@ -4940,6 +4941,16 @@ static const ppi8255_interface cm_ppi8255_intf[2] =
}
};
static WRITE8_DEVICE_HANDLER( system_output_w )
{
goldstar_state *state = (goldstar_state *)device->machine->driver_data;
state->lucky8_nmi_enable = data & 8;
// printf("%02x C\n",data);
}
static const ppi8255_interface lucky8_ppi8255_intf[3] =
{
{ /* A, B & C set as input */
@ -4964,7 +4975,7 @@ static const ppi8255_interface lucky8_ppi8255_intf[3] =
DEVCB_NULL, /* Port C read */
DEVCB_NULL, /* Port A write */
DEVCB_NULL, /* Port B write */
DEVCB_NULL /* Port C write */
DEVCB_HANDLER(system_output_w) /* Port C write */
}
};
@ -5435,6 +5446,14 @@ static MACHINE_DRIVER_START( cmast91 )
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_DRIVER_END
static INTERRUPT_GEN( lucky8_irq )
{
goldstar_state *state = (goldstar_state *)device->machine->driver_data;
if(state->lucky8_nmi_enable)
cpu_set_input_line(device, INPUT_LINE_NMI, PULSE_LINE);
}
static MACHINE_DRIVER_START( lucky8 )
MDRV_DRIVER_DATA(goldstar_state)
@ -5443,8 +5462,7 @@ static MACHINE_DRIVER_START( lucky8 )
MDRV_CPU_ADD("maincpu", Z80, CPU_CLOCK)
MDRV_CPU_PROGRAM_MAP(lucky8_map)
//MDRV_CPU_IO_MAP(goldstar_readport)
MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse)
// MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) // causes 'magical' to display 'wait' instead
MDRV_CPU_VBLANK_INT("screen", lucky8_irq)
/* 3x 8255 */
MDRV_PPI8255_ADD( "ppi8255_0", lucky8_ppi8255_intf[0] )
@ -5487,8 +5505,7 @@ static MACHINE_DRIVER_START( magical )
MDRV_CPU_ADD("maincpu", Z80, CPU_CLOCK)
MDRV_CPU_PROGRAM_MAP(magical_map)
//MDRV_CPU_IO_MAP(goldstar_readport)
MDRV_CPU_VBLANK_INT("screen", nmi_line_pulse) // causes nested nmis and 'error ff' (needs enable?)
//MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) // causes 'magical' to display 'wait' instead
MDRV_CPU_VBLANK_INT("screen", goldstar_irq)
/* 3x 8255 */
MDRV_PPI8255_ADD( "ppi8255_0", lucky8_ppi8255_intf[0] )

1
src/mame/includes/goldstar.h
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@ -38,6 +38,7 @@ public:
UINT8 cmaster_girl_pal;
UINT8 cm_enable_reg;
UINT8 cm_girl_scroll;
UINT8 lucky8_nmi_enable;
};