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cit101: Performance hack and note (nw)

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AJR 2018-05-20 10:03:30 -04:00
parent 603ae89155
commit ba6e4cdae0
1 changed files with 3 additions and 1 deletions
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src/mame/drivers/cit101.cpp
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@ -379,9 +379,11 @@ MACHINE_CONFIG_START(cit101_state::cit101)
MCFG_DEVICE_ADD("pit0", PIT8253, 0)
MCFG_PIT8253_CLK0(6.144_MHz_XTAL / 4)
MCFG_PIT8253_CLK1(6.144_MHz_XTAL / 4)
MCFG_PIT8253_CLK2(6.144_MHz_XTAL / 4)
//MCFG_PIT8253_CLK2(6.144_MHz_XTAL / 4)
MCFG_PIT8253_OUT0_HANDLER(WRITELINE("auxuart", i8251_device, write_txc))
MCFG_PIT8253_OUT1_HANDLER(WRITELINE("auxuart", i8251_device, write_rxc))
// OUT2 might be used for an internal expansion similar to the VT100 STP.
// The output appears to be fixed to a 307.2 kHz rate; turning this off boosts driver performance.
MCFG_DEVICE_ADD("pit1", PIT8253, 0)
MCFG_PIT8253_CLK0(6.144_MHz_XTAL / 4)