mirror of
https://github.com/holub/mame
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a6809: Renamed to acrnsys3_6809, and rewritten with card slot devices..
- Added FDC card. - Cursor now generated by 6845. New working machines -------------------- Acorn System 3 (6502 CPU) Acorn System 5 New working clones ------------------ Acorn System 2 Acorn System 4
This commit is contained in:
Nigel Barnes
parent
e7da0b3a4b
commit
e26cd8175e
@ -1370,9 +1370,9 @@ files {
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createMESSProjects(_target, _subtarget, "acorn")
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files {
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MAME_DIR .. "src/mame/drivers/aa310.cpp",
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MAME_DIR .. "src/mame/drivers/a6809.cpp",
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MAME_DIR .. "src/mame/drivers/accomm.cpp",
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MAME_DIR .. "src/mame/drivers/acrnsys1.cpp",
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MAME_DIR .. "src/mame/drivers/acrnsys.cpp",
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MAME_DIR .. "src/mame/drivers/atom.cpp",
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MAME_DIR .. "src/mame/includes/atom.h",
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MAME_DIR .. "src/mame/drivers/bbc.cpp",
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591
src/mame/drivers/acrnsys.cpp
Normal file
591
src/mame/drivers/acrnsys.cpp
Normal file
@ -0,0 +1,591 @@
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// license:BSD-3-Clause
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// copyright-holders:Robbbert, Nigel Barnes
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/***************************************************************************
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Acorn System 2, 3, 4, and 5
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Acorn System 2: 6502, VDU 40x25, 4K RAM, 4K ROM (BASIC), Cassette
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http://chrisacorns.computinghistory.org.uk/Computers/System2.html
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Acorn System 3: 6502, VDU 40x25, 16K RAM, 4K ROM (BASIC), FDC (1 disc)
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http://chrisacorns.computinghistory.org.uk/Computers/System3.html
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Acorn System 3: 6809, VDU 40x25, 16K RAM, FDC (1 disc)
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http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Acorn_6809_CPU.html
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Acorn System 4: 6502, VDU 40x25, 16K RAM, FDC (2 discs)
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http://chrisacorns.computinghistory.org.uk/Computers/System4.html
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Acorn System 5: 6502A, VDU 80x25, 32K RAM, FDC
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http://chrisacorns.computinghistory.org.uk/Computers/System5.html
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TODO:
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- AY-3-4572 Keyboard Encoder for full keyboard support
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- 4K BASIC ROM is undumped for System 2/3
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6809 Monitor Commands:-
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Modify memory:
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M - Modify starting at specified address
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MR - Modify registers
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MG - Modify from Go address
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MV - Modify from breakpoint address
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MP - Modify from saved Program counter
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Execute programs:
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G - Go to specified address
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P - Proceed from saved Program counter past specified number of breakpoints
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Debugging aids:
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R - Display registers
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V - Insert/delete breakpoint
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T - Trace one, or more, instructions
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. - Do trace, displaying register contents at each step
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Cassette interface:
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S - Save memory to named file
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L - Load named file, with optional offset
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F - Finish loading - no name search
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Printer interface:
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C - Copy to parallel printer
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Disk interface:
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D - Disk bootstrap
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****************************************************************************/
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#include "emu.h"
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#include "cpu/m6502/m6502.h"
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#include "cpu/m6809/m6809.h"
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#include "machine/ins8154.h"
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#include "machine/6522via.h"
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#include "machine/keyboard.h"
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#include "machine/input_merger.h"
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#include "bus/centronics/ctronics.h"
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#include "bus/acorn/bus.h"
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#include "softlist_dev.h"
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class acrnsys_state : public driver_device
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{
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public:
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acrnsys_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag)
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, m_maincpu(*this, "maincpu")
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, m_irqs(*this, "irqs")
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, m_bus(*this, "bus")
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, m_ins8154(*this, "ins8154")
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, m_via6522(*this, "via6522")
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, m_centronics(*this, "centronics")
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, m_kbd_data(0)
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{ }
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DECLARE_INPUT_CHANGED_MEMBER(trigger_reset);
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void a6502(machine_config &config);
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void a6809(machine_config &config);
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void a6502a(machine_config &config);
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void acrnsys2(machine_config &config);
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void acrnsys3(machine_config &config);
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void acrnsys3_6809(machine_config &config);
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void acrnsys4(machine_config &config);
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void acrnsys5(machine_config &config);
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protected:
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virtual void machine_start() override;
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virtual void machine_reset() override;
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private:
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void kbd_put(u8 data);
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void kbd_put_pb(u8 data);
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DECLARE_READ8_MEMBER(kbd_r);
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DECLARE_WRITE_LINE_MEMBER(bus_nmi_w);
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void a6502_mem(address_map &map);
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void a6809_mem(address_map &map);
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void a6502a_mem(address_map &map);
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required_device<cpu_device> m_maincpu;
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required_device<input_merger_device> m_irqs;
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required_device<acorn_bus_device> m_bus;
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optional_device<ins8154_device> m_ins8154;
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optional_device<via6522_device> m_via6522;
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optional_device<centronics_device> m_centronics;
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uint8_t m_kbd_data;
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};
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void acrnsys_state::a6502_mem(address_map &map)
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{
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map.unmap_value_low();
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map(0x0000, 0x03ff).ram();
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map(0x0e00, 0x0e7f).mirror(0x100).rw(m_ins8154, FUNC(ins8154_device::ins8154_r), FUNC(ins8154_device::ins8154_w));
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map(0xf000, 0xffff).rom().region("maincpu", 0);
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}
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void acrnsys_state::a6809_mem(address_map &map)
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{
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map.unmap_value_high();
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map(0x0000, 0x03ff).ram();
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map(0x0900, 0x090f).mirror(0xf0).rw(m_via6522, FUNC(via6522_device::read), FUNC(via6522_device::write));
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map(0xf800, 0xffff).rom().region("maincpu", 0);
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}
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void acrnsys_state::a6502a_mem(address_map &map)
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{
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map.unmap_value_low();
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map(0x0000, 0x07ff).ram();
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map(0x0e00, 0x0e0f).mirror(0x1f0).rw(m_via6522, FUNC(via6522_device::read), FUNC(via6522_device::write));
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map(0xe000, 0xffff).rom().region("maincpu", 0);
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}
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void acrnsys_state::machine_start()
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{
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save_item(NAME(m_kbd_data));
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}
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void acrnsys_state::machine_reset()
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{
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m_kbd_data = 0x7f;
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}
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WRITE_LINE_MEMBER(acrnsys_state::bus_nmi_w)
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{
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m_maincpu->set_input_line(INPUT_LINE_NMI, state);
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}
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INPUT_CHANGED_MEMBER(acrnsys_state::trigger_reset)
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{
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m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? CLEAR_LINE : ASSERT_LINE);
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if (newval)
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{
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machine().schedule_soft_reset();
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}
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}
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/***************************************************************************
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Acorn Keyboard - Part No. 400,013
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***************************************************************************/
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static INPUT_PORTS_START( acrnsys )
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//PORT_START("X0")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT LOCK") PORT_CODE(KEYCODE_LALT)
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x30, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
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//
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//PORT_START("X1")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_TILDE) PORT_CHAR(UCHAR_MAMEKEY(ESC))
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
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//
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//PORT_START("X2")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
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//
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//PORT_START("X3")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
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//
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//PORT_START("X4")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(32)
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//
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//PORT_START("X5")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
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//PORT_START("X6")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
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//
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//PORT_START("X7")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
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//
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//PORT_START("X8")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
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//
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//PORT_START("X9")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(':') PORT_CHAR('*')
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("COPY") PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB))
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//
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LINE FEED") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(10)
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('[')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']')
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//
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//PORT_START("X10")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DELETE") PORT_CODE(KEYCODE_DEL) PORT_CHAR(8)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@')
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR('^')
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('\\')
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//
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//PORT_START("X11")
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//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
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//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
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//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
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//
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//PORT_START("X12")
|
||||
//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
//PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
//PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
//PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
//PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
//PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
//PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
|
||||
//PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
|
||||
//
|
||||
//PORT_START("CAPS")
|
||||
//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_TOGGLE
|
||||
//
|
||||
//PORT_START("RPT")
|
||||
//PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("REPT") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL))
|
||||
|
||||
PORT_START("BRK")
|
||||
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12)) PORT_CHANGED_MEMBER(DEVICE_SELF, acrnsys_state, trigger_reset, 0)
|
||||
INPUT_PORTS_END
|
||||
|
||||
|
||||
void acrnsys_state::kbd_put(uint8_t data)
|
||||
{
|
||||
data &= 0x7f;
|
||||
/* allow backspace to work */
|
||||
if (data == 8) data = 0x7f;
|
||||
/* assert strobe */
|
||||
m_kbd_data = data | 0x80;
|
||||
}
|
||||
|
||||
READ8_MEMBER(acrnsys_state::kbd_r)
|
||||
{
|
||||
uint8_t data = m_kbd_data;
|
||||
|
||||
/* clear strobe */
|
||||
m_kbd_data &= 0x7f;
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
void acrnsys_state::kbd_put_pb(uint8_t data)
|
||||
{
|
||||
data &= 0x7f;
|
||||
/* allow backspace to work */
|
||||
if (data == 8) data = 0x7f;
|
||||
|
||||
m_via6522->write_pb0(BIT(data, 0));
|
||||
m_via6522->write_pb1(BIT(data, 1));
|
||||
m_via6522->write_pb2(BIT(data, 2));
|
||||
m_via6522->write_pb3(BIT(data, 3));
|
||||
m_via6522->write_pb4(BIT(data, 4));
|
||||
m_via6522->write_pb5(BIT(data, 5));
|
||||
m_via6522->write_pb6(BIT(data, 6));
|
||||
/* assert strobe */
|
||||
m_via6522->write_cb1(1);
|
||||
/* clear strobe */
|
||||
m_via6522->write_cb1(0);
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
6502 CPU Board - Part No. 200,000
|
||||
***************************************************************************/
|
||||
|
||||
MACHINE_CONFIG_START(acrnsys_state::a6502)
|
||||
M6502(config, m_maincpu, 24_MHz_XTAL / 12); /* 1MHz 6502 CPU */
|
||||
m_maincpu->set_addrmap(AS_PROGRAM, &acrnsys_state::a6502_mem);
|
||||
|
||||
INPUT_MERGER_ANY_HIGH(config, m_irqs).output_handler().set_inputline(m_maincpu, M6502_IRQ_LINE);
|
||||
|
||||
MCFG_DEVICE_ADD(m_ins8154, INS8154, 0)
|
||||
//MCFG_INS8154_IN_A_CB(READ8(*this, acrnsys_state, ins8154_pa_r))
|
||||
//MCFG_INS8154_OUT_A_CB(WRITE8(*this, acrnsys_state, ins8154_pa_w))
|
||||
MCFG_INS8154_IN_B_CB(READ8(*this, acrnsys_state, kbd_r))
|
||||
|
||||
MCFG_DEVICE_ADD("keyboard", GENERIC_KEYBOARD, 0)
|
||||
MCFG_GENERIC_KEYBOARD_CB(PUT(acrnsys_state, kbd_put))
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
6502A CPU Board - Part No. 200,005
|
||||
***************************************************************************/
|
||||
|
||||
MACHINE_CONFIG_START(acrnsys_state::a6502a)
|
||||
M6502(config, m_maincpu, 24_MHz_XTAL / 12); /* 2MHz 6502A CPU */
|
||||
m_maincpu->set_addrmap(AS_PROGRAM, &acrnsys_state::a6502a_mem);
|
||||
|
||||
INPUT_MERGER_ANY_HIGH(config, m_irqs).output_handler().set_inputline(m_maincpu, M6502_IRQ_LINE);
|
||||
|
||||
VIA6522(config, m_via6522, 4_MHz_XTAL / 4);
|
||||
m_via6522->readpa_handler().set(FUNC(acrnsys_state::kbd_r));
|
||||
//m_via6522->cb2_handler().set(FUNC(acrnsys_state::cass_w));
|
||||
m_via6522->irq_handler().set(m_irqs, FUNC(input_merger_device::in_w<0>));
|
||||
|
||||
MCFG_DEVICE_ADD("keyboard", GENERIC_KEYBOARD, 0)
|
||||
MCFG_GENERIC_KEYBOARD_CB(PUT(acrnsys_state, kbd_put))
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
6809 CPU Board - Part No. 200,012
|
||||
***************************************************************************/
|
||||
|
||||
MACHINE_CONFIG_START(acrnsys_state::a6809)
|
||||
MC6809(config, m_maincpu, 4_MHz_XTAL);
|
||||
m_maincpu->set_addrmap(AS_PROGRAM, &acrnsys_state::a6809_mem);
|
||||
|
||||
INPUT_MERGER_ANY_HIGH(config, m_irqs).output_handler().set_inputline(m_maincpu, M6809_IRQ_LINE);
|
||||
|
||||
VIA6522(config, m_via6522, 4_MHz_XTAL / 4);
|
||||
m_via6522->writepa_handler().set("cent_data_out", FUNC(output_latch_device::bus_w));
|
||||
m_via6522->ca2_handler().set("centronics", FUNC(centronics_device::write_strobe));
|
||||
//m_via6522->cb2_handler().set(FUNC(acrnsys_state::cass_w));
|
||||
m_via6522->irq_handler().set(m_irqs, FUNC(input_merger_device::in_w<0>));
|
||||
|
||||
CENTRONICS(config, m_centronics, centronics_devices, "printer");
|
||||
m_centronics->ack_handler().set(m_via6522, FUNC(via6522_device::write_ca1));
|
||||
m_centronics->busy_handler().set(m_via6522, FUNC(via6522_device::write_pa7));
|
||||
MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
|
||||
|
||||
MCFG_DEVICE_ADD("keyboard", GENERIC_KEYBOARD, 0)
|
||||
MCFG_GENERIC_KEYBOARD_CB(PUT(acrnsys_state, kbd_put_pb))
|
||||
MACHINE_CONFIG_END
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
MACHINE DRIVERS
|
||||
***************************************************************************/
|
||||
|
||||
void acrnsys_state::acrnsys2(machine_config &config)
|
||||
{
|
||||
/* 6502 CPU Board */
|
||||
a6502(config);
|
||||
|
||||
/* Acorn Bus - 8 Slot Backplane */
|
||||
ACORN_BUS(config, m_bus, 0);
|
||||
m_bus->set_cputag(m_maincpu);
|
||||
m_bus->out_irq_callback().set(m_irqs, FUNC(input_merger_device::in_w<1>));
|
||||
m_bus->out_nmi_callback().set(FUNC(acrnsys_state::bus_nmi_w));
|
||||
ACORN_BUS_SLOT(config, "bus1", m_bus, acorn_bus_devices, "8k"); // 0x2000-0x3fff
|
||||
ACORN_BUS_SLOT(config, "bus2", m_bus, acorn_bus_devices, "vdu40");
|
||||
ACORN_BUS_SLOT(config, "bus3", m_bus, acorn_bus_devices, "cass");
|
||||
ACORN_BUS_SLOT(config, "bus4", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus5", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus6", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus7", m_bus, acorn_bus_devices, nullptr);
|
||||
|
||||
/* Software lists */
|
||||
SOFTWARE_LIST(config, "flop_list").set_original("acrnsys_flop");
|
||||
SOFTWARE_LIST(config, "rom_list").set_original("acrnsys_rom");
|
||||
}
|
||||
|
||||
|
||||
void acrnsys_state::acrnsys3(machine_config &config)
|
||||
{
|
||||
/* 6502 CPU Board */
|
||||
a6502(config);
|
||||
|
||||
/* Acorn Bus - 8 Slot Backplane */
|
||||
ACORN_BUS(config, m_bus, 0);
|
||||
m_bus->set_cputag(m_maincpu);
|
||||
m_bus->out_irq_callback().set(m_irqs, FUNC(input_merger_device::in_w<1>));
|
||||
m_bus->out_nmi_callback().set(FUNC(acrnsys_state::bus_nmi_w));
|
||||
ACORN_BUS_SLOT(config, "bus1", m_bus, acorn_bus_devices, "8k"); // 0x2000-0x3fff
|
||||
ACORN_BUS_SLOT(config, "bus2", m_bus, acorn_bus_devices, "8k"); // 0xc000-0xdfff
|
||||
ACORN_BUS_SLOT(config, "bus3", m_bus, acorn_bus_devices, "vdu40");
|
||||
ACORN_BUS_SLOT(config, "bus4", m_bus, acorn_bus_devices, "fdc");
|
||||
ACORN_BUS_SLOT(config, "bus5", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus6", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus7", m_bus, acorn_bus_devices, nullptr);
|
||||
|
||||
/* Software lists */
|
||||
SOFTWARE_LIST(config, "flop_list").set_original("acrnsys_flop");
|
||||
SOFTWARE_LIST(config, "rom_list").set_original("acrnsys_rom");
|
||||
}
|
||||
|
||||
|
||||
void acrnsys_state::acrnsys3_6809(machine_config &config)
|
||||
{
|
||||
/* 6809 CPU Board */
|
||||
a6809(config);
|
||||
|
||||
/* Acorn Bus - 8 Slot Backplane */
|
||||
ACORN_BUS(config, m_bus, 0);
|
||||
m_bus->set_cputag(m_maincpu);
|
||||
m_bus->out_irq_callback().set(m_irqs, FUNC(input_merger_device::in_w<1>));
|
||||
m_bus->out_nmi_callback().set(FUNC(acrnsys_state::bus_nmi_w));
|
||||
ACORN_BUS_SLOT(config, "bus1", m_bus, acorn_bus_devices, "8k"); // 0x0000-0x1fff
|
||||
ACORN_BUS_SLOT(config, "bus2", m_bus, acorn_bus_devices, "8k"); // 0x2000-0x3fff
|
||||
ACORN_BUS_SLOT(config, "bus3", m_bus, acorn_bus_devices, "8k"); // 0xc000-0xdfff
|
||||
ACORN_BUS_SLOT(config, "bus4", m_bus, acorn_bus_devices, "vdu40");
|
||||
ACORN_BUS_SLOT(config, "bus5", m_bus, acorn_bus_devices, "cass");
|
||||
ACORN_BUS_SLOT(config, "bus6", m_bus, acorn_bus_devices, "fdc");
|
||||
ACORN_BUS_SLOT(config, "bus7", m_bus, acorn_bus_devices, nullptr);
|
||||
|
||||
/* Software lists */
|
||||
SOFTWARE_LIST(config, "flop_list").set_original("acrnsys_flop");
|
||||
}
|
||||
|
||||
|
||||
void acrnsys_state::acrnsys4(machine_config &config)
|
||||
{
|
||||
/* 6502 CPU Board */
|
||||
a6502(config);
|
||||
|
||||
/* Acorn Bus - 14 Slot Backplane */
|
||||
ACORN_BUS(config, m_bus, 0);
|
||||
m_bus->set_cputag(m_maincpu);
|
||||
m_bus->out_irq_callback().set(m_irqs, FUNC(input_merger_device::in_w<1>));
|
||||
m_bus->out_nmi_callback().set(FUNC(acrnsys_state::bus_nmi_w));
|
||||
ACORN_BUS_SLOT(config, "bus1", m_bus, acorn_bus_devices, "8k"); // 0x2000-0x3fff
|
||||
ACORN_BUS_SLOT(config, "bus2", m_bus, acorn_bus_devices, "8k"); // 0xc000-0xdfff
|
||||
ACORN_BUS_SLOT(config, "bus3", m_bus, acorn_bus_devices, "vdu40");
|
||||
ACORN_BUS_SLOT(config, "bus4", m_bus, acorn_bus_devices, "fdc");
|
||||
ACORN_BUS_SLOT(config, "bus5", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus6", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus7", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus8", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus9", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus10", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus11", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus12", m_bus, acorn_bus_devices, nullptr);
|
||||
ACORN_BUS_SLOT(config, "bus13", m_bus, acorn_bus_devices, nullptr);
|
||||
|
||||
/* Software lists */
|
||||
SOFTWARE_LIST(config, "flop_list").set_original("acrnsys_flop");
|
||||
SOFTWARE_LIST(config, "rom_list").set_original("acrnsys_rom");
|
||||
}
|
||||
|
||||
|
||||
void acrnsys_state::acrnsys5(machine_config &config)
|
||||
{
|
||||
/* 6502A CPU Board */
|
||||
a6502a(config);
|
||||
|
||||
/* Acorn Bus - 7 Slot Backplane */
|
||||
ACORN_BUS(config, m_bus, 0);
|
||||
m_bus->set_cputag(m_maincpu);
|
||||
m_bus->out_irq_callback().set(m_irqs, FUNC(input_merger_device::in_w<1>));
|
||||
m_bus->out_nmi_callback().set(FUNC(acrnsys_state::bus_nmi_w));
|
||||
ACORN_BUS_SLOT(config, "bus1", m_bus, acorn_bus_devices, "32k"); // 32K
|
||||
ACORN_BUS_SLOT(config, "bus2", m_bus, acorn_bus_devices, "32k"); // 16K
|
||||
ACORN_BUS_SLOT(config, "bus3", m_bus, acorn_bus_devices, "vdu80");
|
||||
ACORN_BUS_SLOT(config, "bus4", m_bus, acorn_bus_devices, "fdc");
|
||||
ACORN_BUS_SLOT(config, "bus5", m_bus, acorn_bus_devices, "econet");
|
||||
ACORN_BUS_SLOT(config, "bus6", m_bus, acorn_bus_devices, nullptr);
|
||||
|
||||
/* Software lists */
|
||||
SOFTWARE_LIST(config, "flop_list").set_original("acrnsys_flop");
|
||||
SOFTWARE_LIST(config, "rom_list").set_original("acrnsys_rom");
|
||||
}
|
||||
|
||||
|
||||
/***************************************************************************
|
||||
ROM definitions
|
||||
***************************************************************************/
|
||||
|
||||
ROM_START( acrnsys2 )
|
||||
ROM_REGION(0x1000, "maincpu", 0)
|
||||
ROM_LOAD("syscos40.ic7", 0x0800, 0x0800, BAD_DUMP CRC(af457ccc) SHA1(c8c1fbfb8d2e8aa0fdf8e3dc80993ad404cc943d)) // Acorn COS (no known dump, this is re-created from source)
|
||||
ROM_END
|
||||
|
||||
ROM_START( acrnsys3 )
|
||||
ROM_REGION(0x1000, "maincpu", 0)
|
||||
ROM_LOAD("tosdos-s3.ic7", 0x0000, 0x1000, CRC(9b1fbec4) SHA1(4cb322dadcfba9c452797d6cc2096f0c92e8792c)) // Acorn DOS
|
||||
ROM_END
|
||||
|
||||
ROM_START( acrnsys3_6809 )
|
||||
ROM_REGION(0x1000, "maincpu", 0)
|
||||
ROM_LOAD("acorn6809.ic4", 0x0000, 0x0800, CRC(5fa5b632) SHA1(b14a884bf82a7a8c23bc03c2e112728dd1a74896))
|
||||
|
||||
ROM_REGION(0x100, "proms", 0)
|
||||
ROM_LOAD("acorn6809.ic11", 0x0000, 0x0100, CRC(7908317d) SHA1(e0f1e5bd3a8598d3b62bc432dd1f3892ed7e66d8)) // address decoder
|
||||
ROM_END
|
||||
|
||||
#define rom_acrnsys4 rom_acrnsys3
|
||||
|
||||
ROM_START( acrnsys5 )
|
||||
/* 6502A CPU board can take 4K, 8K, 16K ROMs */
|
||||
ROM_REGION(0x2000, "maincpu", 0)
|
||||
/* References suggest models 5A-5E also exist, this is 5F */
|
||||
ROM_LOAD("sys5f_iss1.ic11", 0x0000, 0x2000, CRC(cd80418d) SHA1(e588298239b5360b5d1e15d5cd9f7fe2b1693e5d)) // 201,625
|
||||
ROM_END
|
||||
|
||||
/* Driver */
|
||||
|
||||
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
|
||||
COMP( 1980, acrnsys2, acrnsys3, 0, acrnsys2, acrnsys, acrnsys_state, empty_init, "Acorn", "Acorn System 2", MACHINE_NO_SOUND_HW )
|
||||
COMP( 1980, acrnsys3, 0, 0, acrnsys3, acrnsys, acrnsys_state, empty_init, "Acorn", "Acorn System 3 (6502 CPU)", MACHINE_NO_SOUND_HW )
|
||||
COMP( 1980, acrnsys3_6809, acrnsys3, 0, acrnsys3_6809, acrnsys, acrnsys_state, empty_init, "Acorn", "Acorn System 3 (6809 CPU)", MACHINE_NO_SOUND_HW )
|
||||
COMP( 1980, acrnsys4, acrnsys3, 0, acrnsys4, acrnsys, acrnsys_state, empty_init, "Acorn", "Acorn System 4", MACHINE_NO_SOUND_HW )
|
||||
COMP( 1982, acrnsys5, 0, 0, acrnsys5, acrnsys, acrnsys_state, empty_init, "Acorn", "Acorn System 5", MACHINE_NO_SOUND_HW )
|
||||
@ -257,9 +257,6 @@ a5105 //
|
||||
a5120 //
|
||||
a5130 //
|
||||
|
||||
@source:a6809.cpp
|
||||
a6809 //
|
||||
|
||||
@source:a7150.cpp
|
||||
a7150 //
|
||||
|
||||
@ -874,6 +871,13 @@ acommand // (c) 1990
|
||||
@source:acrnsys1.cpp
|
||||
acrnsys1 // 1979 Acorn System 1 (Microcomputer Kit)
|
||||
|
||||
@source:acrnsys.cpp
|
||||
acrnsys2 // 1980 Acorn System 2
|
||||
acrnsys3 // 1980 Acorn System 3 (6502)
|
||||
acrnsys3_6809 // 1980 Acorn System 3 (6809)
|
||||
acrnsys4 // 1980 Acorn System 4
|
||||
acrnsys5 // 1982 Acorn System 5
|
||||
|
||||
@source:actfancr.cpp
|
||||
actfancr // (c) 1989 Data East Corporation (World)
|
||||
actfancr1 // (c) 1989 Data East Corporation (World)
|
||||
|
||||
@ -5,7 +5,6 @@
|
||||
a2600.cpp
|
||||
a5105.cpp
|
||||
a51xx.cpp
|
||||
a6809.cpp
|
||||
a7150.cpp
|
||||
a7800.cpp
|
||||
aa310.cpp
|
||||
@ -18,6 +17,7 @@ accomm.cpp
|
||||
acd.cpp
|
||||
aceex.cpp
|
||||
acrnsys1.cpp
|
||||
acrnsys.cpp
|
||||
acvirus.cpp
|
||||
adam.cpp
|
||||
advision.cpp
|
||||
|
||||
Loading…
Reference in New Issue
Block a user