diff options
author | briantro <briantro@users.noreply.github.com> | 2014-11-25 21:17:13 -0600 |
---|---|---|
committer | briantro <briantro@users.noreply.github.com> | 2014-11-25 21:17:13 -0600 |
commit | 0d00d338be84bd03854fa73a14545bfa3af08cc9 (patch) | |
tree | 938bef057c57f3c41ec2d620a9a26203cd5524a2 | |
parent | ce0dbbd360e93842ad9788c132383f4bddf4a583 (diff) |
supduck.c: Use OSC clock macro in the Machine Config for Super Duck - NW
-rw-r--r-- | src/mame/drivers/supduck.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/src/mame/drivers/supduck.c b/src/mame/drivers/supduck.c index 2b41b28a14e..c17db6b6aba 100644 --- a/src/mame/drivers/supduck.c +++ b/src/mame/drivers/supduck.c @@ -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) |