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(nw) altos2 : added some meat onto the bones

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This commit is contained in:
Robbbert 2017-11-04 03:23:06 +11:00
parent 9f14544c4f
commit 3e6b53b2f6
1 changed files with 64 additions and 10 deletions
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74
src/mame/drivers/altos2.cpp
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@ -15,34 +15,88 @@ Keyboard: P8035L CPU, undumped 2716 labelled "358_2758"
************************************************************************************************************************************/
#include "emu.h"
//#include "cpu/mcs51/mcs51.h"
#include "cpu/z80/z80.h"
#include "cpu/z80/z80daisy.h"
#include "machine/z80ctc.h"
#include "machine/z80dart.h"
#include "machine/clock.h"
//#include "screen.h"
class altos2_state : public driver_device
{
public:
altos2_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
// , m_maincpu(*this, "maincpu")
, m_maincpu(*this, "maincpu")
, m_p_chargen(*this, "chargen")
, m_p_videoram(*this, "videoram")
{ }
protected:
// required_device<i80c52_device> m_maincpu;
private:
required_device<cpu_device> m_maincpu;
required_region_ptr<u8> m_p_chargen;
required_shared_ptr<u8> m_p_videoram;
};
static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, altos2_state )
AM_RANGE(0x0000, 0x3fff) AM_ROM AM_REGION("roms", 0)
AM_RANGE(0xc000, 0xffff) AM_RAM AM_SHARE("videoram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( io_map, AS_IO, 8, altos2_state)
ADDRESS_MAP_GLOBAL_MASK(0xff)
ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("uart1", z80dart_device, ba_cd_r, ba_cd_w)
AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("uart2", z80dart_device, ba_cd_r, ba_cd_w)
AM_RANGE(0x08, 0x0b) AM_DEVREADWRITE("ctc", z80ctc_device, read, write)
ADDRESS_MAP_END
static INPUT_PORTS_START( altos2 )
INPUT_PORTS_END
//static ADDRESS_MAP_START( prg_map, AS_PROGRAM, 8, altos2_state )
//ADDRESS_MAP_END
static const z80_daisy_config daisy_chain[] =
{
{ "uart1" },
{ "uart2" },
{ "ctc" },
{ nullptr }
};
static MACHINE_CONFIG_START( altos2 )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) // unknown clock
MCFG_CPU_PROGRAM_MAP(mem_map)
MCFG_CPU_IO_MAP(io_map)
MCFG_Z80_DAISY_CHAIN(daisy_chain)
MCFG_DEVICE_ADD("ctc_clock", CLOCK, 4915200) // ctc & dart connections are guesswork
MCFG_CLOCK_SIGNAL_HANDLER(DEVWRITELINE("ctc", z80ctc_device, trg0))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("ctc", z80ctc_device, trg1))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("ctc", z80ctc_device, trg2))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("ctc", z80ctc_device, trg3))
MCFG_DEVICE_ADD("ctc", Z80CTC, XTAL_4MHz)
MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_Z80CTC_ZC0_CB(DEVWRITELINE("uart1", z80dart_device, txca_w))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("uart1", z80dart_device, rxca_w))
MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("uart1", z80dart_device, rxtxcb_w))
MCFG_Z80CTC_ZC2_CB(DEVWRITELINE("uart2", z80dart_device, rxtxcb_w))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("uart2", z80dart_device, rxca_w))
MCFG_DEVCB_CHAIN_OUTPUT(DEVWRITELINE("uart2", z80dart_device, txca_w))
MCFG_DEVICE_ADD("uart1", Z80DART, XTAL_4MHz)
MCFG_Z80DART_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_DEVICE_ADD("uart2", Z80DART, XTAL_4MHz)
MCFG_Z80DART_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MACHINE_CONFIG_END
ROM_START( altos2 )
ROM_REGION( 0x80000, "maincpu", 0 )
ROM_LOAD( "us_v1.1_14410.u34", 0x000000, 0x002000, CRC(0ebb78bf) SHA1(96a1f7d34ff35037cbbc93049c0e2b9c9f11f1db) )
ROM_LOAD( "us_v1.2_15732.u32", 0x000000, 0x002000, CRC(a85f7be0) SHA1(3cfa954c916258d86f7f745d10ec2ff5e33261b3) )
ROM_LOAD( "us_v1.2_15733.u19", 0x000000, 0x002000, CRC(45ebe88a) SHA1(33f16b382a2b365122ebf5e5f7312f8afa45ad15) )
ROM_REGION( 0x4000, "roms", 0 )
ROM_LOAD( "us_v1.2_15732.u32", 0x0000, 0x2000, CRC(a85f7be0) SHA1(3cfa954c916258d86f7f745d10ec2ff5e33261b3) )
ROM_LOAD( "us_v1.2_15733.u19", 0x2000, 0x2000, CRC(45ebe88a) SHA1(33f16b382a2b365122ebf5e5f7312f8afa45ad15) )
ROM_REGION( 0x2000, "chargen", 0 )
ROM_LOAD( "us_v1.1_14410.u34", 0x0000, 0x2000, CRC(0ebb78bf) SHA1(96a1f7d34ff35037cbbc93049c0e2b9c9f11f1db) )
ROM_END
COMP( 198?, altos2, 0, 0, altos2, altos2, altos2_state, 0, "Altos", "Altos II Terminal", MACHINE_IS_SKELETON )