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comad/zerozone.cpp: added PCB infos and derived clocks from actual XTALs, pending measurements [Brian Troha]

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This commit is contained in:
Ivan Vangelista 2022-11-28 18:42:52 +01:00
parent 7f59a6f832
commit 0cc0e7fc44
1 changed files with 26 additions and 2 deletions
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28
src/mame/comad/zerozone.cpp
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@ -27,6 +27,30 @@
TODO:
* adpcm samples don't seem to be playing at the proper tempo - too fast?
EDIT00
+-------------------------------+
|AMP PAL 1 Z80A 6 |
| M6295 GM76C28 |
| 2 A1020B |
| 3 GM76C28 |
|J GM76C28 GM76C28 |
|A GM76C28 |
|M 16MHz|
|M DSW1 62256 4 |
|A 62256 5 |
| DSW2 MC68000P10 10MHz |
+-------------------------------+
CPU: Motorola MC68000P10
Sound: GoldStar Z8400A
M6295 branded as AR17961
TDA1033 AMP
Video: Actel A1020B PL84C
OSC: 16MHz & 10MHz
RAM: Hyundia HY62256ALP1-10 32Kx8bit CMOS SRAM (x2)
GoldStar GM76C28K-10 2Kx8bit CMOS SRAM (x5)
GAL: Lattice GAL16V10B-25LP
DSW: Two 8 switch dipswitches
*********************************************************************************/
@ -267,7 +291,7 @@ void zerozone_state::zerozone(machine_config &config)
M68000(config, m_maincpu, 10_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &zerozone_state::main_map);
Z80(config, m_audiocpu, 16_MHz_XTAL / 16); // divisor not verified, 1 MHz ???
Z80(config, m_audiocpu, 16_MHz_XTAL / 4); // Z80A clocked at either 2.5MHz (10MH/4) or 4MHz (16MHz/4) - not verified
m_audiocpu->set_addrmap(AS_PROGRAM, &zerozone_state::sound_map);
config.set_maximum_quantum(attotime::from_hz(600));
@ -291,7 +315,7 @@ void zerozone_state::zerozone(machine_config &config)
GENERIC_LATCH_8(config, m_soundlatch);
okim6295_device &oki(OKIM6295(config, "oki", 1'056'000, okim6295_device::PIN7_HIGH)); // clock frequency & pin 7 not verified
okim6295_device &oki(OKIM6295(config, "oki", 16_MHz_XTAL / 16, okim6295_device::PIN7_HIGH)); // 1MHz - clock frequency & pin 7 not verified
oki.add_route(ALL_OUTPUTS, "mono", 1.0);
}