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dialog80: Downgrade CPU type (no 8085 features appear to be used); apply preliminary memory findings (nw)

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AJR 2017-11-04 22:57:55 -04:00
parent 80ebdfaa7c
commit e3c695369c
1 changed files with 8 additions and 9 deletions
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17
src/mame/drivers/ampex.cpp
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@ -26,22 +26,21 @@ private:
};
static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, ampex_state )
AM_RANGE(0x0000,0x2fff) AM_ROM AM_REGION("roms", 0)
AM_RANGE(0x4000,0x5fff) AM_RAM // devices in this range
AM_RANGE(0x8000,0x9fff) AM_RAM
AM_RANGE(0xc000,0xcfff) AM_RAM
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_PROGRAM, 8, ampex_state )
AM_RANGE(0x0000, 0x2fff) AM_ROM AM_REGION("roms", 0)
AM_RANGE(0x4000, 0x43ff) AM_RAM // main RAM
AM_RANGE(0x4400, 0x57ff) AM_RAM // expansion RAM
AM_RANGE(0x5841, 0x5841) AM_WRITENOP // ???
AM_RANGE(0x5842, 0x5842) AM_READNOP // ???
AM_RANGE(0x8000, 0x9fff) AM_RAM
AM_RANGE(0xc000, 0xcfff) AM_RAM // video RAM
ADDRESS_MAP_END
static INPUT_PORTS_START( ampex )
INPUT_PORTS_END
static MACHINE_CONFIG_START( ampex )
MCFG_CPU_ADD("maincpu", I8085A, 2'000'000) // no idea of clock. cpu could be 8080.
MCFG_CPU_ADD("maincpu", I8080A, 2'000'000) // no idea of clock.
MCFG_CPU_PROGRAM_MAP(mem_map)
MCFG_CPU_IO_MAP(io_map)
MACHINE_CONFIG_END
ROM_START( dialog80 )