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clowndwn: Flesh this skeleton out slightly (nw)

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This commit is contained in:
AJR 2017-06-24 23:24:50 -04:00
parent 25fc18c04d
commit 599f6dde70
1 changed files with 23 additions and 6 deletions
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29
src/mame/drivers/clowndwn.cpp
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@ -11,6 +11,8 @@ can't find any info on this?
#include "emu.h"
#include "speaker.h"
#include "cpu/m6800/m6800.h"
#include "machine/6821pia.h"
class clowndwn_state : public driver_device
@ -18,15 +20,25 @@ class clowndwn_state : public driver_device
public:
clowndwn_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
// ,m_maincpu(*this, "maincpu")
, m_maincpu(*this, "maincpu")
{ }
virtual void machine_start() override;
virtual void machine_reset() override;
// required_device<mcs51_cpu_device> m_maincpu;
required_device<cpu_device> m_maincpu;
};
static ADDRESS_MAP_START(clowndwn_map, AS_PROGRAM, 8, clowndwn_state)
AM_RANGE(0x0000, 0x07ff) AM_RAM
AM_RANGE(0x4100, 0x4103) AM_DEVREADWRITE("pia0", pia6821_device, read, write)
AM_RANGE(0x4200, 0x4203) AM_DEVREADWRITE("pia1", pia6821_device, read, write)
AM_RANGE(0x4400, 0x4403) AM_DEVREADWRITE("pia2", pia6821_device, read, write)
AM_RANGE(0x4800, 0x4803) AM_DEVREADWRITE("pia3", pia6821_device, read, write)
AM_RANGE(0x5000, 0x5003) AM_DEVREADWRITE("pia4", pia6821_device, read, write)
AM_RANGE(0xe000, 0xffff) AM_ROM AM_REGION("maincpu", 0)
ADDRESS_MAP_END
static INPUT_PORTS_START( clowndwn )
INPUT_PORTS_END
@ -44,9 +56,14 @@ void clowndwn_state::machine_reset()
static MACHINE_CONFIG_START( clowndwn )
/* basic machine hardware */
// MCFG_CPU_ADD("maincpu", ??, 8000000) // unknown (vectors at end? 6xxx ?)
// MCFG_CPU_PROGRAM_MAP(clowndwn_map)
// MCFG_CPU_IO_MAP(clowndwn_io)
MCFG_CPU_ADD("maincpu", M6802, 8000000) // unknown type and clock
MCFG_CPU_PROGRAM_MAP(clowndwn_map)
MCFG_DEVICE_ADD("pia0", PIA6821, 0)
MCFG_DEVICE_ADD("pia1", PIA6821, 0)
MCFG_DEVICE_ADD("pia2", PIA6821, 0)
MCFG_DEVICE_ADD("pia3", PIA6821, 0)
MCFG_DEVICE_ADD("pia4", PIA6821, 0)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
@ -58,7 +75,7 @@ MACHINE_CONFIG_END
// in Z9
ROM_START( clowndwn )
ROM_REGION( 0x10000, "maincpu", 0 )
ROM_REGION( 0x2000, "maincpu", 0 )
ROM_LOAD( "CLWNROLL.Z8", 0x0000, 0x1000, CRC(ec655745) SHA1(e38de904f30530f8971eb4a9d7796da345bf81ad) )
ROM_LOAD( "CLWNROLL.Z9", 0x1000, 0x1000, CRC(aeef885e) SHA1(bc6805b638625a347e1288a927ce30e030afe9e3) )
ROM_END