supduck.c: Use OSC clock macro in the Machine Config for Super Duck - NW

This commit is contained in:
briantro 2014-11-25 21:17:13 -06:00
parent ce0dbbd360
commit 0d00d338be

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@ -1,11 +1,21 @@
/*********************************************************************************
Super Duck
Super Duck (c) 1992 Comad
hardware appears to be roughly based off Bionic Commando, close to the
Tiger Road / F1-Dream based Pushman / Bouncing Balls.
PCB Clocks as measured:
Crystal 1: 8mhz
Crystal 2: 24mhz
All clock timing comes from crystal 1
68k - 8mhz
Z80 - 2mhz
OKI M6295 - 1mhz
*********************************************************************************/
@ -404,7 +414,6 @@ static INPUT_PORTS_START( supduck )
INPUT_PORTS_END
static const gfx_layout spritelayout_bionicc=
{
16,16, /* 16*16 sprites */
@ -477,26 +486,15 @@ void supduck_state::machine_reset()
{
}
/*
Crystal 1: 8mhz
Crystal 2: 24mhz
Following all come from crystal 1
68k - 8mhz
Z80 - 2mhz
OKI M6295 - 1mhz
*/
static MACHINE_CONFIG_START( supduck, supduck_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000, 8000000)
MCFG_CPU_ADD("maincpu", M68000, XTAL_8MHz) /* Verified on PCB */
MCFG_CPU_PROGRAM_MAP(main_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", supduck_state, irq2_line_hold) // 2 & 4?
MCFG_CPU_ADD("audiocpu", Z80, 8000000/4)
MCFG_CPU_ADD("audiocpu", Z80, XTAL_8MHz/4) /* 2MHz - verified on PCB */
MCFG_CPU_PROGRAM_MAP(sound_map)
/* video hardware */
@ -519,7 +517,7 @@ static MACHINE_CONFIG_START( supduck, supduck_state )
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_OKIM6295_ADD("oki", 8000000/8, OKIM6295_PIN7_HIGH) // pin 7 not verified
MCFG_OKIM6295_ADD("oki", XTAL_8MHz/8, OKIM6295_PIN7_HIGH) // 1MHz - Verified on PCB, pin 7 not verified
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MCFG_DEVICE_ADDRESS_MAP(AS_0, oki_map)