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fix regression with spang bootlegs

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This commit is contained in:
Michaël Banaan Ananas 2012-01-02 19:53:00 +00:00
parent 206abde2d4
commit c444c74051
1 changed files with 11 additions and 8 deletions
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19
src/mame/drivers/mitchell.c
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@ -717,6 +717,9 @@ INPUT_PORTS_END
static INPUT_PORTS_START( spangbl )
PORT_INCLUDE( pang )
PORT_MODIFY("SYS0")
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* unused? */
PORT_MODIFY("IN1")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNKNOWN ) // must be high for game to boot..
INPUT_PORTS_END
@ -724,12 +727,12 @@ INPUT_PORTS_END
static INPUT_PORTS_START( mstworld )
/* this port may not have the same role */
PORT_START("SYS0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* USED - handled in port5_r */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* unused? */
PORT_SERVICE_NO_TOGGLE( 0x02, IP_ACTIVE_LOW )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* unused? */
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_VBLANK )
PORT_BIT( 0x70, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* unused? */
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("eeprom", eeprom_device, read_bit)
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN ) /* unused? */
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_UNKNOWN )
@ -1107,11 +1110,11 @@ static TIMER_DEVICE_CALLBACK( mitchell_irq )
mitchell_state *state = timer.machine().driver_data<mitchell_state>();
int scanline = param;
if(scanline == 248 || scanline == 0)
if (scanline == 240 || scanline == 0)
{
device_set_input_line(state->m_maincpu,0,HOLD_LINE);
device_set_input_line(state->m_maincpu, 0, HOLD_LINE);
state->m_irq_source = (scanline == 248);
state->m_irq_source = (scanline == 0);
}
}
@ -1230,13 +1233,13 @@ static const msm5205_interface msm5205_config =
static MACHINE_CONFIG_DERIVED( spangbl, pang )
MCFG_DEVICE_REMOVE("maincpu")
MCFG_CPU_ADD("maincpu",Z80, XTAL_16MHz/2)
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(spangbl_map)
MCFG_CPU_IO_MAP(spangbl_io_map)
MCFG_CPU_VBLANK_INT("screen", irq0_line_hold)
MCFG_DEVICE_REMOVE("scantimer")
MCFG_CPU_ADD("audiocpu", Z80, 8000000)
MCFG_CPU_PROGRAM_MAP(spangbl_sound_map)
MCFG_CPU_IO_MAP(spangbl_sound_io_map)