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konin: PIT baud rate generation (nw)

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AJR 2017-09-25 20:50:14 -04:00
parent a3f71b5231
commit 360732e639
1 changed files with 4 additions and 5 deletions
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9
src/mame/drivers/konin.cpp
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@ -50,7 +50,6 @@ Terminal settings: 8 data bits, 2 stop bits, no parity @ 9600
#include "machine/pit8253.h"
#include "machine/i8255.h"
#include "bus/rs232/rs232.h"
#include "machine/clock.h"
class konin_state : public driver_device
{
@ -127,6 +126,10 @@ static MACHINE_CONFIG_START( konin )
MCFG_I8214_INT_CALLBACK(DEVWRITELINE("intlatch", i8212_device, stb_w))
MCFG_DEVICE_ADD("mainpit", PIT8253, 0)
// wild guess at UART clock and source
MCFG_PIT8253_CLK0(1536000)
MCFG_PIT8253_OUT0_HANDLER(DEVWRITELINE("uart", i8251_device, write_txc))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("uart", i8251_device, write_rxc))
MCFG_DEVICE_ADD("mainppi", I8255, 0)
@ -134,10 +137,6 @@ static MACHINE_CONFIG_START( konin )
MCFG_DEVICE_ADD("ioppi", I8255, 0)
MCFG_DEVICE_ADD("uart_clock", CLOCK, 153600)
MCFG_CLOCK_SIGNAL_HANDLER(DEVWRITELINE("uart", i8251_device, write_txc))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("uart", i8251_device, write_rxc))
MCFG_DEVICE_ADD("uart", I8251, 0)
MCFG_I8251_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd))
MCFG_I8251_DTR_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_dtr))