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C-chip clocks (nw)

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Better documentation.  Superman has been verified as 8MHz.
This commit is contained in:
braintro 2018-03-16 22:48:22 -05:00
parent c22253d4f1
commit cf72516ca1
3 changed files with 3 additions and 3 deletions
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2
src/mame/drivers/rbisland.cpp
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@ -726,7 +726,7 @@ MACHINE_CONFIG_START(rbisland_state::rbisland_emu)
MCFG_CPU_PROGRAM_MAP(rbisland_emu_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", rbisland_state, interrupt)
MCFG_TAITO_CCHIP_ADD("cchip", XTAL(12'000'000)/2) /* ? MHz */
MCFG_TAITO_CCHIP_ADD("cchip", XTAL(12'000'000)) /* 12MHz OSC next to C-Chip */
MCFG_CCHIP_IN_PORTA_CB(IOPORT("800007"))
MCFG_CCHIP_IN_PORTB_CB(IOPORT("800009"))
MCFG_CCHIP_IN_PORTC_CB(IOPORT("80000B"))

2
src/mame/drivers/taito_x.cpp
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@ -831,7 +831,7 @@ MACHINE_CONFIG_START(taitox_state::superman)
MCFG_CPU_ADD("audiocpu", Z80, XTAL(16'000'000)/4) /* verified on pcb */
MCFG_CPU_PROGRAM_MAP(sound_map)
MCFG_TAITO_CCHIP_ADD("cchip", XTAL(16'000'000)/2) /* 8MHz? */
MCFG_TAITO_CCHIP_ADD("cchip", XTAL(16'000'000)/2) /* 8MHz measured on pin 20 */
MCFG_CCHIP_IN_PORTA_CB(IOPORT("IN0"))
MCFG_CCHIP_IN_PORTB_CB(IOPORT("IN1"))
MCFG_CCHIP_IN_PORTAD_CB(IOPORT("IN2"))

2
src/mame/drivers/volfied.cpp
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@ -249,7 +249,7 @@ 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(20'000'000)/2) /* 20MHz OSC next to C-Chip, 10MHz?? */
MCFG_TAITO_CCHIP_ADD("cchip", XTAL(20'000'000)/2) /* 20MHz OSC next to C-Chip */
MCFG_CCHIP_IN_PORTA_CB(IOPORT("F00007"))
MCFG_CCHIP_IN_PORTB_CB(IOPORT("F00009"))
MCFG_CCHIP_IN_PORTC_CB(IOPORT("F0000B"))