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Clarification regarding 8255s (nw)

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This commit is contained in:
AJR 2016-09-10 14:31:18 -04:00
parent 2a99250616
commit d54703c6c5
1 changed files with 1 additions and 1 deletions
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src/mame/drivers/witch.cpp
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@ -773,7 +773,7 @@ static MACHINE_CONFIG_START( witch, witch_state )
MCFG_TICKET_DISPENSER_ADD("hopper", attotime::from_msec(HOPPER_PULSE), TICKET_MOTOR_ACTIVE_HIGH, TICKET_STATUS_ACTIVE_HIGH)
// Code writes to two PPIs, even though only one is visible on PCB picture
// 82C255 (actual chip on PCB) is equivalent to two 8255s
MCFG_DEVICE_ADD("ppi1", I8255, 0)
MCFG_I8255_IN_PORTA_CB(READ8(witch_state, read_a000))
MCFG_I8255_IN_PORTB_CB(IOPORT("UNK"))