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Adding first stab at force68k driver

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Conflicts:
	scripts/target/mame/my.lua
	src/mame/my.lst
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Joakim Larsson 2015-06-13 23:23:58 +02:00 committed by Joakim Larsson Edström
parent 28ee343aff
commit 13254b740a
1 changed files with 102 additions and 0 deletions
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src/mess/drivers/force68k.c Normal file
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// license:BSD-3-Clause
// copyright-holders:Joamim Larsson Edström
/***************************************************************************
Force SYS68K/CPU-1 VME SBC driver
13/06/2015
http://...
Based on the 68ksbc.c
TODO:
- Memory map
- Dump ROM:s
- Add 3 ACIA6850
- Add serial connector between ACIA:s and real terminal emulator
- VME bus driver
****************************************************************************/
#include "bus/rs232/rs232.h"
#include "cpu/m68000/m68000.h"
#include "machine/6850acia.h"
#include "machine/clock.h"
class force68k_state : public driver_device
{
public:
force68k_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_acia1(*this, "acia1")
m_acia2(*this, "acia2")
m_acia3(*this, "acia3")
{
}
DECLARE_WRITE_LINE_MEMBER(write_acia_clock);
private:
required_device<cpu_device> m_maincpu;
required_device<acia6850_device> m_acia1;
required_device<acia6850_device> m_acia2;
required_device<acia6850_device> m_acia3;
};
static ADDRESS_MAP_START(force68k_mem, AS_PROGRAM, 16, force68k_state)
AM_RANGE(0x000000, 0x000007) AM_ROM /* Vectors mapped from System EPROM */
AM_RANGE(0x000008, 0x01ffff) AM_RAM /* DRAM */
AM_RANGE(0x080008, 0x09ffff) AM_ROM /* System EPROM Area */
// AM_RANGE(0x0a0000, 0x0bffff) AM_ROM /* User EPROM Area */
// AM_RANGE(0x0e0000, 0x0fffff) AM_READWRITE_PORT /* IO interfaces */
// AM_RANGE(0x0e0000, 0x0e0001) AM_DEVREADWRITE8("acia", acia6850_device, status_r, control_w, 0x00ff)
// AM_RANGE(0x0e0002, 0x0e0003) AM_DEVREADWRITE8("acia", acia6850_device, data_r, data_w, 0x00ff)
// AM_RANGE(0x0e0004, 0x0e0005) AM_DEVREADWRITE8("acia", acia6850_device, data_r, data_w, 0x00ff)
// AM_RANGE(0x100000, 0xfeffff) /* VMEbus Rev B addresses (24 bits) */
// AM_RANGE(0xff0000, 0xffffff) /* VMEbus Rev B addresses (16 bits) */
ADDRESS_MAP_END
/* Input ports */
static INPUT_PORTS_START( force68k )
INPUT_PORTS_END
WRITE_LINE_MEMBER(force68k_state::write_acia_clock)
{
m_acia->write_txc(state);
m_acia->write_rxc(state);
}
static MACHINE_CONFIG_START( force68k, force68k_state )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu", M68000, 8000000)
MCFG_CPU_PROGRAM_MAP(force68k_mem)
/*
MCFG_DEVICE_ADD("acia", ACIA6850, 0)
MCFG_ACIA6850_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd))
MCFG_ACIA6850_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts))
MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal")
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("acia", acia6850_device, write_rxd))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("acia", acia6850_device, write_cts))
MCFG_DEVICE_ADD("acia_clock", CLOCK, 153600)
MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(force68k_state, write_acia_clock))
*/
MACHINE_CONFIG_END
/* ROM definition */
ROM_START( forcecpu1 )
ROM_REGION(0x1000000, "maincpu", 0)
// ROM_LOAD( "forcecpu1.bin", 0x0000, 0x2f78, CRC(20a8d0d0) SHA1(544fd8bd8ed017115388c8b0f7a7a59a32253e43) )
ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
COMP( 1983, forcecpu1, 0, 0, force68k, force68k, driver_device, 0, "Force Computers", "SYS68K/CPU-1", GAME_NO_SOUND_HW)