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volfied.cpp: Base C-Chip clock off of actual OSC (nw)

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braintro 2018-03-09 20:02:00 -06:00
parent c12f089e54
commit 9381cc26f2
1 changed files with 1 additions and 1 deletions
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src/mame/drivers/volfied.cpp
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@ -257,7 +257,7 @@ MACHINE_CONFIG_START(volfied_state::volfied)
MCFG_CPU_ADD("audiocpu", Z80, SOUND_CPU_CLOCK) /* 4MHz sound CPU, required to run the game */
MCFG_CPU_PROGRAM_MAP(z80_map)
MCFG_TAITO_CCHIP_ADD("cchip", XTAL(12'000'000)) /* ? MHz */
MCFG_TAITO_CCHIP_ADD("cchip", XTAL(20'000'000)/2) /* 20MHz OSC next to C-Chip, 10MHz?? */
MCFG_CCHIP_IN_PORTA_CB(IOPORT("F00007"))
MCFG_CCHIP_IN_PORTB_CB(IOPORT("F00009"))
MCFG_CCHIP_IN_PORTC_CB(IOPORT("F0000B"))