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tti: First attempt at fleshing out some things (nw)

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AJR 2017-11-02 16:07:06 -04:00
parent 9dae4aca6e
commit 91b7edb6c4
1 changed files with 21 additions and 5 deletions
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26
src/mame/drivers/tti.cpp
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@ -14,27 +14,43 @@ Other: LED, 20MHz crystal. Next to the MC68901P is another chip just as large (4
************************************************************************************************************************************/ ************************************************************************************************************************************/
#include "emu.h" #include "emu.h"
//#include "cpu/mcs51/mcs51.h" #include "bus/rs232/rs232.h"
#include "cpu/m68000/m68000.h"
#include "machine/mc68901.h"
class tti_state : public driver_device class tti_state : public driver_device
{ {
public: public:
tti_state(const machine_config &mconfig, device_type type, const char *tag) tti_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) : driver_device(mconfig, type, tag)
// , maincpu(*this, "maincpu") , m_maincpu(*this, "maincpu")
{ } { }
protected: protected:
// required_device<i80c52_device> maincpu; required_device<cpu_device> m_maincpu;
}; };
static INPUT_PORTS_START( tti ) static INPUT_PORTS_START( tti )
INPUT_PORTS_END INPUT_PORTS_END
//static ADDRESS_MAP_START( prg_map, AS_PROGRAM, 8, tti_state ) static ADDRESS_MAP_START( prg_map, AS_PROGRAM, 8, tti_state )
//ADDRESS_MAP_END AM_RANGE(0x00000, 0x07fff) AM_ROM AM_REGION("maincpu", 0)
AM_RANGE(0x78000, 0x7ffff) AM_RAM
AM_RANGE(0x80000, 0x80017) AM_DEVREADWRITE("mfp", mc68901_device, read, write)
ADDRESS_MAP_END
static MACHINE_CONFIG_START( tti ) static MACHINE_CONFIG_START( tti )
MCFG_DEVICE_ADD("maincpu", M68008, XTAL_20MHz / 2) // guess
MCFG_CPU_PROGRAM_MAP(prg_map)
MCFG_DEVICE_ADD("mfp", MC68901, 0)
MCFG_MC68901_TIMER_CLOCK(XTAL_20MHz / 2) // guess
MCFG_MC68901_RX_CLOCK(153000) // for testing
MCFG_MC68901_TX_CLOCK(153000) // for testing
MCFG_MC68901_OUT_SO_CB(DEVWRITELINE("rs232", rs232_port_device, write_txd))
MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal")
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("mfp", mc68901_device, write_rx))
MACHINE_CONFIG_END MACHINE_CONFIG_END
ROM_START( tti ) ROM_START( tti )