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New skeleton: Micral 80-22G [Robbbert]
This commit is contained in:
Robbbert
parent
fee651e0dd
commit
06e3257c6e
3 changed files with 295 additions and 1 deletions
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@ -2684,6 +2684,7 @@ files {
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MAME_DIR .. "src/mame/drivers/mccpm.c",
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MAME_DIR .. "src/mame/drivers/mes.c",
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MAME_DIR .. "src/mame/drivers/mice.c",
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MAME_DIR .. "src/mame/drivers/micral.c",
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MAME_DIR .. "src/mame/drivers/micronic.c",
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MAME_DIR .. "src/mame/drivers/mini2440.c",
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MAME_DIR .. "src/mame/drivers/mmd1.c",
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@ -2721,6 +2722,7 @@ files {
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MAME_DIR .. "src/mame/drivers/seattlecmp.c",
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MAME_DIR .. "src/mame/drivers/sh4robot.c",
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MAME_DIR .. "src/mame/drivers/softbox.c",
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MAME_DIR .. "src/mame/drivers/squale.c",
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MAME_DIR .. "src/mame/drivers/swtpc.c",
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MAME_DIR .. "src/mame/drivers/sys2900.c",
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MAME_DIR .. "src/mame/drivers/systec.c",
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@ -2738,7 +2740,6 @@ files {
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MAME_DIR .. "src/mame/drivers/xor100.c",
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MAME_DIR .. "src/mame/drivers/xavix.c",
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MAME_DIR .. "src/mame/drivers/zorba.c",
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MAME_DIR .. "src/mame/drivers/squale.c",
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}
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end
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292
src/mame/drivers/micral.c
Normal file
292
src/mame/drivers/micral.c
Normal file
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@ -0,0 +1,292 @@
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// license:BSD-3-Clause
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// copyright-holders:Robbbert
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/********************************************************************************
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Bull (Originally R2E) Micral 80-22G
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2015-10-01 Skeleton [Robbbert]
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http://www.ti99.com/exelvision/website/index.php?page=r2e-micral-8022-g
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This expensive, futuristic-looking design featured a motherboard and slots,
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much like an ancient pc. The known chip complement is:
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Z80A, 4MHz; 64KB RAM, 2KB BIOS ROM, 256x4 prom (7611);
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CRT8002, TMS9937 (=CRT5037), 4KB video RAM, 256x4 prom (7611);
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2x 5.25 inch floppy drives, one ST506 5MB hard drive;
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CDP6402 UART. Sound is a beeper.
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The keyboard has a uPD780C (=Z80) and 1KB of ROM.
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The FDC and HDC are unknown.
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No manuals, schematic or circuit description have been found.
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*********************************************************************************/
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#include "emu.h"
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#include "cpu/z80/z80.h"
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#include "video/tms9927.h"
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#include "sound/beep.h"
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class micral_state : public driver_device
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{
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public:
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micral_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_beep(*this, "beeper")
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{ }
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DECLARE_DRIVER_INIT(micral);
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DECLARE_MACHINE_RESET(micral);
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UINT32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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private:
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required_device<cpu_device> m_maincpu;
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required_device<beep_device> m_beep;
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};
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static ADDRESS_MAP_START( micral_mem, AS_PROGRAM, 8, micral_state )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0xf7ff) AM_RAM
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AM_RANGE(0xf800, 0xfeff) AM_ROM
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AM_RANGE(0xff00, 0xffff) AM_RAM // FFF0-F seems to be devices
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( micral_kbd_mem, AS_PROGRAM, 8, micral_state )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(0x0000, 0x03ff) AM_ROM
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AM_RANGE(0x8000, 0x8000) AM_RAM // byte returned to main cpu after receiving irq
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AM_RANGE(0x8001, 0x8001) AM_READ_PORT("X0")
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AM_RANGE(0x8002, 0x8002) AM_READ_PORT("X1")
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AM_RANGE(0x8004, 0x8004) AM_READ_PORT("X2")
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AM_RANGE(0x8008, 0x8008) AM_READ_PORT("X3")
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AM_RANGE(0x8010, 0x8010) AM_READ_PORT("X4")
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AM_RANGE(0x8020, 0x8020) AM_READ_PORT("X5")
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AM_RANGE(0x8040, 0x8040) AM_READ_PORT("X6")
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AM_RANGE(0x8080, 0x8080) AM_READ_PORT("X7")
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AM_RANGE(0x8100, 0x8100) AM_READ_PORT("X8")
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AM_RANGE(0x8200, 0x8200) AM_READ_PORT("X9")
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AM_RANGE(0x8400, 0x8400) AM_READ_PORT("X10")
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AM_RANGE(0x8800, 0x8800) AM_READ_PORT("X11")
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AM_RANGE(0x9000, 0x9000) AM_READ_PORT("X12")
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AM_RANGE(0xa000, 0xa000) AM_READ_PORT("X13")
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( micral_kbd_io, AS_IO, 8, micral_state )
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ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0x00, 0x00) AM_READ_PORT("X14")
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ADDRESS_MAP_END
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/* Input ports */
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static INPUT_PORTS_START( micral )
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PORT_START("X0")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ESC)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE)
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 01
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 03
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_START("X1")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) // 2A
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) // 22
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) // 28
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) // 94
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) // 90
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 29
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PORT_START("X2")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 3E, 3C
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A)
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E)
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T)
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U)
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PORT_START("X3")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // '^'
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S)
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F)
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PORT_START("X4")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K)
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M)
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) // 5B
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // OB
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W)
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PORT_START("X5")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B)
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) // 3F
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // ':','/'
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 08
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 06
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PORT_START("X6")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TAB)
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 02
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_START("X7")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) // 91
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) // 27
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) // '-'
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) // '_'
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) // 8E
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) // '+'
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PORT_START("X8")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z)
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R)
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y)
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I)
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PORT_START("X9")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // '@', '#'
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q)
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D)
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G)
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PORT_START("X10")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L)
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 9C, '%'
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 05
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 7F
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X)
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PORT_START("X11")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V)
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N)
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // ';','.'
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // '!','&'
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 0A
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_START("X12")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 95,FE
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 97,FC
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 9D,'$'
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 96,'\'
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 99,84
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 9A,92
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PORT_START("X13")
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PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // 00
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PORT_START("X14")
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PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RCONTROL) // ?? don't look for a new keypress
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PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
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PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) // ??
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INPUT_PORTS_END
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UINT32 micral_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
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{
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// for (int y = 0; y < 32*8; y++)
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// {
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// offs_t offset = (y / 8) * 128;
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// for (int sx = 0; sx < 64; sx++)
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// {
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// UINT8 code = m_video_ram[offset++];
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// UINT8 attr = m_video_ram[offset++];
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// offs_t char_offs = ((code & 0x7f) << 3) | (y & 0x07);
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// if (BIT(code, 7)) char_offs = ((code & 0x7f) << 3) | ((y >> 1) & 0x07);
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// UINT8 data = m_char_rom->base()[char_offs];
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// rgb_t fg = m_palette->pen_color(attr & 0x07);
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// rgb_t bg = m_palette->pen_color((attr >> 3) & 0x07);
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// for (int x = 0; x < 6; x++)
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// {
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// bitmap.pix32(y, (sx * 6) + x) = BIT(data, 7) ? fg : bg;
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// data <<= 1;
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// }
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// }
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// }
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return 0;
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}
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DRIVER_INIT_MEMBER( micral_state, micral )
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{
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//UINT8 *main = memregion("maincpu")->base();
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//membank("bankr0")->configure_entry(1, &main[0xf800]);
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//membank("bankr0")->configure_entry(0, &main[0x10000]);
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//membank("bankw0")->configure_entry(0, &main[0xf800]);
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}
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MACHINE_RESET_MEMBER( micral_state, micral )
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{
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//membank("bankr0")->set_entry(0); // point at rom
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//membank("bankw0")->set_entry(0); // always write to ram
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m_beep->set_frequency(2000);
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m_maincpu->set_state_int(Z80_PC, 0xf800);
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}
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static MACHINE_CONFIG_START( micral, micral_state )
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// basic machine hardware
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MCFG_CPU_ADD( "maincpu", Z80, XTAL_4MHz )
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MCFG_CPU_PROGRAM_MAP(micral_mem)
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// no i/o ports on main cpu
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MCFG_CPU_ADD( "keyboard", Z80, XTAL_1MHz ) // freq unknown
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MCFG_CPU_PROGRAM_MAP(micral_kbd_mem)
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MCFG_CPU_IO_MAP(micral_kbd_io)
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MCFG_MACHINE_RESET_OVERRIDE(micral_state, micral)
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// video hardware
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_REFRESH_RATE(60)
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MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(250))
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MCFG_SCREEN_UPDATE_DRIVER(micral_state, screen_update)
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MCFG_SCREEN_SIZE(64*6, 32*8)
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MCFG_SCREEN_VISIBLE_AREA(0, 64*6-1, 0, 32*8-1)
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MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette")
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//MCFG_GFXDECODE_ADD("gfxdecode", "palette", micral)
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MCFG_DEVICE_ADD("crtc", CRT5037, XTAL_17_9712MHz/2) // xtal freq unknown
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MCFG_TMS9927_CHAR_WIDTH(6) // unknown
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//MCFG_TMS9927_VSYN_CALLBACK(DEVWRITELINE(TMS5501_TAG, tms5501_device, sens_w))
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MCFG_VIDEO_SET_SCREEN("screen")
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/* sound hardware */
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MCFG_SPEAKER_STANDARD_MONO("mono")
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MCFG_SOUND_ADD("beeper", BEEP, 0)
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MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
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MACHINE_CONFIG_END
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ROM_START( micral )
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ROM_REGION( 0x10000, "maincpu", 0 )
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ROM_LOAD( "8022g.rom", 0xf800, 0x0800, CRC(882732a9) SHA1(3f37b82c450a54aedec209bd46fcbcf131c86313) )
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ROM_REGION( 0x400, "keyboard", 0 )
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ROM_LOAD( "2010221.rom", 0x000, 0x400, CRC(65123378) SHA1(401f0a648b78bf1662a1cd2546e83ba8e3cb7a42) )
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ROM_END
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/* Driver */
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|
||||
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
|
||||
COMP( 1981, micral, 0, 0, micral, micral, micral_state, micral, "Bull R2E", "Micral 80-22G", MACHINE_IS_SKELETON )
|
||||
|
|
@ -2754,3 +2754,4 @@ hp_ipc
|
|||
lggp40
|
||||
mt735
|
||||
squale
|
||||
micral
|
||||
|
|
|
|||
Loading…
Reference in a new issue