summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorGravatarGravatar briantro <briantro@users.noreply.github.com>2014-11-25 21:17:13 -0600
committerGravatarGravatar briantro <briantro@users.noreply.github.com>2014-11-25 21:17:13 -0600
commit0d00d338be84bd03854fa73a14545bfa3af08cc9 (patch) (github)
tree938bef057c57f3c41ec2d620a9a26203cd5524a2
parentce0dbbd360e93842ad9788c132383f4bddf4a583 (diff)
downloadmame-0d00d338be84bd03854fa73a14545bfa3af08cc9.tar.bz2
mame-0d00d338be84bd03854fa73a14545bfa3af08cc9.zip
supduck.c: Use OSC clock macro in the Machine Config for Super Duck - NW
-rw-r--r--src/mame/drivers/supduck.c30
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)