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-rw-r--r--src/mame/drivers/altair.cpp135
1 files changed, 0 insertions, 135 deletions
diff --git a/src/mame/drivers/altair.cpp b/src/mame/drivers/altair.cpp
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index 701bdb0b792..00000000000
--- a/src/mame/drivers/altair.cpp
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-// license:BSD-3-Clause
-// copyright-holders:Miodrag Milanovic, Robbbert
-/***************************************************************************
-
- MITS Altair 8800b Turnkey
-
- 04/12/2009 Initial driver by Miodrag Milanovic
-
- Supposedly introduced October 1977.
-
- Commands:
- All commands must be in uppercase. Address and data is
- specified in Octal format (not hex).
-
- Press space to input your command line (not return).
-
- D - Memory Dump
- J - Jump to address
- M - Modify memory
-
- Reference:
- http://www.computercloset.org/MITSAltair8800bt.htm
-
-****************************************************************************/
-
-#include "emu.h"
-#include "bus/rs232/rs232.h"
-//#include "bus/s100/s100.h"
-#include "cpu/i8085/i8085.h"
-#include "machine/6850acia.h"
-#include "machine/clock.h"
-#include "imagedev/snapquik.h"
-
-
-class altair_state : public driver_device
-{
-public:
- altair_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_ram(*this, "ram")
- { }
-
- void altair(machine_config &config);
-
-private:
- DECLARE_QUICKLOAD_LOAD_MEMBER(quickload_cb);
-
- virtual void machine_reset() override;
- void io_map(address_map &map);
- void mem_map(address_map &map);
-
- required_device<cpu_device> m_maincpu;
- required_shared_ptr<uint8_t> m_ram;
-};
-
-
-
-void altair_state::mem_map(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0xfcff).ram().share("ram");
- map(0xfd00, 0xfdff).rom();
- map(0xff00, 0xffff).rom();
-}
-
-void altair_state::io_map(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0xff);
- // TODO: Remove mirror() and use SIO address S0-S7
- map(0x00, 0x01).mirror(0x10).rw("acia", FUNC(acia6850_device::read), FUNC(acia6850_device::write));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( altair )
-INPUT_PORTS_END
-
-
-QUICKLOAD_LOAD_MEMBER(altair_state::quickload_cb)
-{
- int quick_length;
- int read_;
- quick_length = image.length();
- if (quick_length >= 0xfd00)
- return image_init_result::FAIL;
- read_ = image.fread(m_ram, quick_length);
- if (read_ != quick_length)
- return image_init_result::FAIL;
-
- return image_init_result::PASS;
-}
-
-void altair_state::machine_reset()
-{
- // Set startup address done by turn-key
- m_maincpu->set_state_int(i8080_cpu_device::I8085_PC, 0xFD00);
-}
-
-void altair_state::altair(machine_config &config)
-{
- /* basic machine hardware */
- I8080(config, m_maincpu, 2_MHz_XTAL);
- m_maincpu->set_addrmap(AS_PROGRAM, &altair_state::mem_map);
- m_maincpu->set_addrmap(AS_IO, &altair_state::io_map);
-
- /* video hardware */
- acia6850_device &acia(ACIA6850(config, "acia", 0));
- acia.txd_handler().set("rs232", FUNC(rs232_port_device::write_txd));
- acia.rts_handler().set("rs232", FUNC(rs232_port_device::write_rts));
-
- rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "terminal"));
- rs232.rxd_handler().set("acia", FUNC(acia6850_device::write_rxd));
- rs232.dcd_handler().set("acia", FUNC(acia6850_device::write_dcd));
- rs232.cts_handler().set("acia", FUNC(acia6850_device::write_cts));
-
- clock_device &uart_clock(CLOCK(config, "uart_clock", 153600)); // TODO: this is set using jumpers S3/S2/S1/S0
- uart_clock.signal_handler().set("acia", FUNC(acia6850_device::write_txc));
- uart_clock.signal_handler().append("acia", FUNC(acia6850_device::write_rxc));
-
- /* quickload */
- QUICKLOAD(config, "quickload", "bin").set_load_callback(FUNC(altair_state::quickload_cb));
-}
-
-/* ROM definition */
-ROM_START( al8800bt )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "turnmon.bin", 0xfd00, 0x0100, CRC(5c629294) SHA1(125c76216954b681721fff84a3aca05094b21a28))
- ROM_LOAD( "88dskrom.bin", 0xff00, 0x0100, CRC(7c5232f3) SHA1(24f940ad70ad2829e1bc800c6790b6e993e6ebf6))
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1977, al8800bt, 0, 0, altair, altair, altair_state, empty_init, "MITS", "Altair 8800bt", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW)