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New systems marked not working
------------------------------ MCM/70 [Nigel Barnes, York University Computer Museum]
This commit is contained in:
Nigel Barnes
parent
edede3f575
commit
9d75e32ba9
@ -30259,6 +30259,9 @@ nost // (c) 1993 Face
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nostj // (c) 1993 Face
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nostk // (c) 1993 Face
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@source:misc/mcm70.cpp
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mcm70 // MCM/70
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@source:misc/megaphx.cpp
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hamboy // (c) 1990 Dinamic / Inder
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megaphx // (c) 1991 Dinamic / Inder
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416
src/mame/misc/mcm70.cpp
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416
src/mame/misc/mcm70.cpp
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@ -0,0 +1,416 @@
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// license:BSD-3-Clause
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// copyright-holders:Nigel Barnes
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/*******************************************************************************************************
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MCM/70
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TODO:
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- at power on need to press START to use (need schematic to know what's happening)
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- cassette (x2) handling, digital with pre-recorded clock track.
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- MCP-132 printer/plotter device (Diablo HyType I).
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- serial communications interface unit (terminal and modem ports).
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- artwork to show keyboard layout.
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******************************************************************************************************/
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#include "emu.h"
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#include "cpu/i8008/i8008.h"
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#include "emupal.h"
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#include "screen.h"
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#define LOG_DEVICE (1U << 1)
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#define VERBOSE (LOG_DEVICE)
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#include "logmacro.h"
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namespace {
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class mcm70_state : public driver_device
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{
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public:
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mcm70_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_rombank(*this, "rombank")
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, m_ram(*this, "ram")
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, m_kbd(*this, "COL%u", 0U)
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, m_kbd_mod(*this, "MODIFIERS")
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, m_palette(*this, "palette")
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, m_device_select(0)
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{ }
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void mcm70(machine_config &config);
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DECLARE_INPUT_CHANGED_MEMBER(start);
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protected:
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void machine_start() override;
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void machine_reset() override;
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private:
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uint8_t status_r(offs_t offset);
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void devsel_w(offs_t offset, uint8_t data);
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void device_w(offs_t offset, uint8_t data);
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uint8_t device_r(offs_t offset);
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uint8_t keyboard_r(offs_t offset);
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void io_map(address_map &map);
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void mem_map(address_map &map);
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void mcm70_palette(palette_device &palette) const;
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uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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required_device<cpu_device> m_maincpu;
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required_memory_bank m_rombank;
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required_shared_ptr<uint8_t> m_ram;
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required_ioport_array<8> m_kbd;
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required_ioport m_kbd_mod;
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required_device<palette_device> m_palette;
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uint8_t m_device_select;
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};
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void mcm70_state::mem_map(address_map &map)
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{
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map(0x0000, 0x17ff).rom().region("maincpu", 0);
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map(0x1800, 0x1fff).bankr("rombank");
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map(0x2000, 0x3fff).ram().share("ram");
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}
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void mcm70_state::io_map(address_map &map)
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{
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map(0x00, 0x00).select(0xffe0).r(FUNC(mcm70_state::keyboard_r));
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map(0x01, 0x01).select(0xffe0).r(FUNC(mcm70_state::status_r));
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map(0x02, 0x03).mirror(0xffe0).r(FUNC(mcm70_state::device_r));
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map(0x08, 0x08).mirror(0xffe0).lw8(NAME([this](uint8_t data) { m_rombank->set_entry(data >> 4); }));
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map(0x09, 0x09).select(0xffe0).w(FUNC(mcm70_state::devsel_w));
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map(0x0a, 0x0b).mirror(0xffe0).w(FUNC(mcm70_state::device_w));
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map(0x1f, 0x1f).mirror(0xffe0).nopw(); // output single column from display
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}
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uint8_t mcm70_state::status_r(offs_t offset)
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{
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return 0x00;
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}
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void mcm70_state::devsel_w(offs_t offset, uint8_t data)
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{
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m_device_select = offset >> 8;
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std::string device_selected;
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switch (m_device_select)
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{
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case 0x00: // None
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device_selected = "None";
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break;
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case 0x01: // Printer (MCP-132)
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device_selected = "Printer";
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break;
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case 0xc8: // Cassette 1
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device_selected = "Cassette 1";
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break;
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case 0xc9: // Cassette 2
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device_selected = "Cassette 2";
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break;
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default:
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device_selected = "Unknown";
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break;
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}
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LOGMASKED(LOG_DEVICE, "devsel_w: %02x %s\n", data, device_selected);
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}
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uint8_t mcm70_state::device_r(offs_t offset)
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{
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uint8_t data = 0x00;
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switch (m_device_select)
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{
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case 0x01: // Printer
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switch (offset & 1)
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{
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case 0: // status
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// bit 0 Printer powered and ready
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// bit 1 Check condition (printer crashed)
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// bit 2 Not used
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// bit 3 Not used
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// bit 4 Ribbon up
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// bit 5 Character print ready
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// bit 6 Carriage ready
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// bit 7 Paper feed ready
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break;
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case 1: // data
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break;
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}
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break;
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case 0xc8: // Cassette 1
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break;
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case 0xc9: // Cassette 2
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break;
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}
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LOGMASKED(LOG_DEVICE, "device_r: %s %02x\n", (offset & 1) ? "data" : "status", data);
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return data;
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}
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void mcm70_state::device_w(offs_t offset, uint8_t data)
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{
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switch (m_device_select)
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{
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case 0x01: // Printer
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break;
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case 0xc8: // Cassette 1
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break;
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case 0xc9: // Cassette 2
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break;
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}
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LOGMASKED(LOG_DEVICE, "device_w: %s %02x\n", (offset & 1) ? "data" : "control", data);
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}
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static INPUT_PORTS_START( mcm70 )
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PORT_START("COL0")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('+') PORT_CHAR('-')
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_NAME("BACK SPACE")
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(0x2228)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('>')
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('=')
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('<')
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PORT_START("COL1")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_CHAR(13) PORT_NAME("RETURN")
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('*')
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR(0x2373)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR(0x2191)
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR(0x2374)
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR(0x2375)
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PORT_START("COL2")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(']') PORT_CHAR(')')
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR(0x2395)
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR(0x2218)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR(0x2207)
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR(0x230a)
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR(0x237a)
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PORT_START("COL3")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('\\')
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';')
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR(0x22a4)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR(0x222a)
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR(0x2283)
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_NAME("SPACE")
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PORT_START("COL4")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':')
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('|')
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR(0x22a5)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR(0x2229)
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR(0x2282)
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('?')
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PORT_START("COL5")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR('[') PORT_CHAR('(')
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('\'')
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR(0x2206)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('_')
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR(0x2308)
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR(0x203e)
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PORT_START("COL6")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x2190) PORT_CHAR(0x2192)
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR(0x25cb)
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR(0x2193)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('~')
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR(0x2208)
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PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR(0xa8)
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PORT_START("COL7")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('x') PORT_CHAR(0xf7)
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PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(0x2227)
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PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR(0x2260)
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PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR(0x2265)
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PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR(0x2264)
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PORT_START("MODIFIERS")
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PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_NAME("CTRL")
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PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("SHIFT")
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PORT_START("START")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_NAME("START") PORT_CHANGED_MEMBER(DEVICE_SELF, mcm70_state, start, 0)
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INPUT_PORTS_END
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INPUT_CHANGED_MEMBER(mcm70_state::start)
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{
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}
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uint8_t mcm70_state::keyboard_r(offs_t offset)
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{
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uint8_t data = m_kbd_mod->read();
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switch (offset >> 8)
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{
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case 0x01: data |= m_kbd[0]->read(); break;
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case 0x02: data |= m_kbd[1]->read(); break;
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case 0x04: data |= m_kbd[2]->read(); break;
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case 0x08: data |= m_kbd[3]->read(); break;
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case 0x10: data |= m_kbd[4]->read(); break;
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case 0x20: data |= m_kbd[5]->read(); break;
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case 0x40: data |= m_kbd[6]->read(); break;
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case 0x80: data |= m_kbd[7]->read(); break;
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}
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return data;
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}
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void mcm70_state::machine_start()
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{
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m_rombank->configure_entries(0, 16, memregion("banked")->base(), 0x800);
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m_rombank->set_entry(0);
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save_item(NAME(m_device_select));
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}
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void mcm70_state::machine_reset()
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{
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m_device_select = 0x00;
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}
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uint32_t mcm70_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
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{
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// Burroughs Self-Scan Panel Display C4047
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// The panel displays 222 columns of 7 dots, 32 characters of 5x7 with a blank column between each.
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// Each column of the display is controlled by a byte of video RAM
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pen_t const *const pen = m_palette->pens();
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for (int x = 0; x < 222; x++)
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{
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uint8_t data = m_ram[0x0021 + x];
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for (int y = 0; y < 7; y++)
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{
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int32_t xl = x * 4;
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int32_t yl = y * 4;
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// pixel
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if (BIT(data, y)) // on
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{
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bitmap.pix(yl, xl) = pen[1];
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bitmap.pix(yl, xl + 1) = pen[2];
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bitmap.pix(yl, xl + 2) = pen[1];
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bitmap.pix(yl + 1, xl) = pen[2];
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bitmap.pix(yl + 1, xl + 1) = pen[3];
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bitmap.pix(yl + 1, xl + 2) = pen[2];
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bitmap.pix(yl + 2, xl) = pen[1];
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bitmap.pix(yl + 2, xl + 1) = pen[2];
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bitmap.pix(yl + 2, xl + 2) = pen[1];
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}
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else // off
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{
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bitmap.pix(yl, xl) = pen[4];
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bitmap.pix(yl, xl + 1) = pen[4];
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bitmap.pix(yl, xl + 2) = pen[4];
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bitmap.pix(yl + 1, xl) = pen[4];
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bitmap.pix(yl + 1, xl + 1) = pen[4];
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bitmap.pix(yl + 1, xl + 2) = pen[4];
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bitmap.pix(yl + 2, xl) = pen[4];
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bitmap.pix(yl + 2, xl + 1) = pen[4];
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bitmap.pix(yl + 2, xl + 2) = pen[4];
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}
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// gap around pixel
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if (x < 222)
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{
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bitmap.pix(yl, xl + 3) = pen[0];
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bitmap.pix(yl + 1, xl + 3) = pen[0];
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bitmap.pix(yl + 2, xl + 3) = pen[0];
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}
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if (y < 7)
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{
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bitmap.pix(yl + 3, xl ) = pen[0];
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bitmap.pix(yl + 3, xl + 1) = pen[0];
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bitmap.pix(yl + 3, xl + 2) = pen[0];
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}
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if (x < 222 && y < 7)
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{
|
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bitmap.pix(yl + 3, xl + 3) = pen[0];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void mcm70_state::mcm70_palette(palette_device &palette) const
|
||||
{
|
||||
palette.set_pen_color(0, rgb_t(41, 24, 26)); // background
|
||||
palette.set_pen_color(1, rgb_t(174, 35, 35)); // cell on outer corner
|
||||
palette.set_pen_color(2, rgb_t(237, 79, 80)); // cell on outer center
|
||||
palette.set_pen_color(3, rgb_t(255, 228, 238)); // cell on center
|
||||
palette.set_pen_color(4, rgb_t(79, 44, 40)); // cell off
|
||||
}
|
||||
|
||||
|
||||
void mcm70_state::mcm70(machine_config &config)
|
||||
{
|
||||
I8008(config, m_maincpu, 400000); // TODO: verify clock
|
||||
m_maincpu->set_addrmap(AS_PROGRAM, &mcm70_state::mem_map);
|
||||
m_maincpu->set_addrmap(AS_IO, &mcm70_state::io_map);
|
||||
|
||||
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
|
||||
screen.set_refresh_hz(60);
|
||||
screen.set_screen_update(FUNC(mcm70_state::screen_update));
|
||||
screen.set_size(887, 27);
|
||||
screen.set_visarea(0, 886, 0, 26);
|
||||
PALETTE(config, m_palette, FUNC(mcm70_state::mcm70_palette), 5);
|
||||
}
|
||||
|
||||
|
||||
ROM_START( mcm70 )
|
||||
ROM_REGION(0x1800, "maincpu", 0)
|
||||
ROM_LOAD( "mcm70_m1.bin", 0x0000, 0x0800, CRC(e16ea421) SHA1(c3b8608100689fca56dfc43703b6f2e1c5dc5425))
|
||||
ROM_LOAD( "mcm70_m2.bin", 0x0800, 0x0800, CRC(dde53a75) SHA1(f9d0946bea7dc2f6c6697636061a6308236e0436))
|
||||
ROM_LOAD( "mcm70_m3.bin", 0x1000, 0x0800, CRC(319516f4) SHA1(d63f23173bc86a872d9b8a908e91f73e61b51ed8))
|
||||
|
||||
ROM_REGION(0x8000, "banked", ROMREGION_ERASEFF)
|
||||
ROM_LOAD( "mcm70_b0.bin", 0x0000, 0x0800, CRC(71f0f656) SHA1(48d444b389135cb63c71b8f8f3d35433fa2d4424))
|
||||
ROM_LOAD( "mcm70_b1.bin", 0x0800, 0x0800, CRC(9167509e) SHA1(ece999709f6493c23e79f080f565fb89b87f71aa))
|
||||
ROM_LOAD( "mcm70_b2.bin", 0x1000, 0x0800, CRC(b9b60da0) SHA1(862f8c9f48f80bfade1be0adf8e53f109cb0b5b3))
|
||||
ROM_LOAD( "mcm70_b3.bin", 0x1800, 0x0800, CRC(cfa0cffc) SHA1(dbeda9396422122b47321723a6425815dd8d5ac5))
|
||||
ROM_LOAD( "mcm70_b4.bin", 0x2000, 0x0800, CRC(9f67282c) SHA1(23707721e330d10f3c157bb95fb6329fb857b05c))
|
||||
ROM_LOAD( "mcm70_b5.bin", 0x2800, 0x0800, CRC(766c3646) SHA1(b96819eff1b711a677a97f650f12467e23107406))
|
||||
ROM_LOAD( "mcm70_b6.bin", 0x3000, 0x0800, CRC(c8f1eb05) SHA1(92aaca4f15ce971e5b45dd5fa3ff60206dc59015))
|
||||
ROM_LOAD( "mcm70_b7.bin", 0x3800, 0x0800, CRC(520e8238) SHA1(132b5ae1666da7cad7af386e3971c2dcb92a5316))
|
||||
ROM_LOAD( "mcm70_b8.bin", 0x4000, 0x0800, CRC(1128f1ed) SHA1(4d667cd28d5a4a424b827fc7f75b8bfe62f1c162))
|
||||
ROM_LOAD( "mcm70_b9.bin", 0x4800, 0x0800, CRC(11ac4225) SHA1(b37610479b48027c9bdf9e5e72556404a28c2987))
|
||||
ROM_LOAD( "mcm70_ba.bin", 0x5000, 0x0800, CRC(14eb2a1f) SHA1(9d7959b918f148b70f4fcb74222a4287a8721c63))
|
||||
ROM_LOAD( "mcm70_bb.bin", 0x5800, 0x0800, CRC(0685f8b0) SHA1(4fd6abc6f9ff4e02690e58a349a398a20534c788))
|
||||
ROM_LOAD( "mcm70_bc.bin", 0x6000, 0x0800, CRC(1ae19741) SHA1(c22dd49180999d70e6fd0c7d89a7ff6cc5eed974))
|
||||
ROM_END
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
|
||||
COMP( 1974, mcm70, 0, 0, mcm70, mcm70, mcm70_state, empty_init, "Micro Computer Machines", "MCM/70", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )
|
||||
Loading…
Reference in New Issue
Block a user