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+// license:BSD-3-Clause
+// copyright-holders:Robbbert
+/***************************************************************************
+
+Driver completely rewritten by Robbbert, in a process begun on 2009-02-24.
+Assistance/advice was gratefully received from:
+ E.J.Wordsworth (owner of Microbee Systems), nama, ChickenMan,
+ and the author of the "ubee512" emulator.
+
+Previous driver was written by Juergen Buchmueller, Jan 2000 with assistance
+from Brett Selwood and Andrew Davies.
+
+
+ Keyboard notes are in video/microbee.c
+
+ 256tc: The 1.31 rom version which appears to fit the 256TC is actually
+ part of the Z80 emulation in the Matilda model. If you fit this rom into a real
+ 256TC, the floppy disk will not be detected.
+
+ The unemulated Matilda is a IBM XT clone fitted with a NEC V40, and has the
+ ability to emulate the 256TC as mentioned above.
+
+ Floppy formats:
+ - All disks are the standard CPCEMU 'dsk' format.
+ - Types are 9/13cm 40/80 track (single or double sided)
+ - 13cm has been specified as QD to prevent a nasty crash if an 80-track disk was mounted
+ - The tracks/sector layout is the same regardless of size
+ - Although certain models came with particular drives as standard, users could add
+ the other size if they wished. We support both sizes on any model.
+
+ Early machines have 'standard' video (128 hires characters).
+ Later machines had the option of 'premium' video which
+ provides thousands of hires characters, enough to simulate
+ bit-mapped graphics.
+
+ Commands to call up built-in roms (depends on the model):
+ NET - Jump to E000, usually the Telcom communications program.
+ This rom can be replaced with the Dreamdisk Chip-8 rom.
+ Note that Telcom 3.21 is 8k, it uses a rombank switch
+ (by reading port 0A) to swap between the two halves.
+ See Telcom notes below.
+
+ EDASM - Jump to C000, usually the Editor/Assembler package.
+
+ MENU - Do a rombank switch to bank 5 and jump to C000 to start the Shell
+
+ PAK n - Do a rombank switch (write to port 0A) to bank "n" and jump to C000.
+
+ These early colour computers have a PROM to create the foreground palette.
+
+ Notes about the printer:
+ - Older models default to a 1200 baud serial printer, which we do not support.
+ - You need to change it to parallel by entering OUTL#1 while in Basic.
+ - After you mount/create a printfile, you can LPRINT and LLIST in Basic,
+ or by using the printing option in other apps.
+
+ Notes about Telcom:
+ - On the older models, Telcom is called up by entering NET from within Basic. Models
+ from the pc85 onwards have it as a menu option.
+ - To exit, press Enter without any input. Disk versions, enter CPM or press ^C.
+ - After being used, version 3 and up will enable the use of OUT#7 in Basic, which
+ changes the screen to 80x24. Enter OUT#0 to revert to normal.
+ - Most versions of Telcom can have their parameters adjusted directly from Basic,
+ without needing to enter the Telcom program.
+ - Most versions of Telcom have an optional clock. In older models firstly select VS
+ from the MESS config menu, then enter NET CLOCK to enable it. NET TIME hhmm to set
+ the time (24hour format). NET CLOCKD is supposed to remove the status line, but it
+ doesn't, although the clock stops updating. NET CLOCK and NET CLOCKD are toggles.
+ - Telcom 1.2 (used in mbeeic) has a bug. If you enter NET CLOCK, the status line is
+ filled with inverse K. You can fix this from Basic by doing NET CLOCK 3 times.
+
+ Notes about Disk System
+ - Ports 44 to 47 are for standard connection to FD2793.
+ - Port 48 is used for drive/side/density select on write, and intrq/drq on read.
+ intrq and drq are OR'd together, then gated to bit 7 of the data bus whenever
+ port 48 is activated on read. There are no interrupts used.
+
+ How to use the config switch for PIO B7:
+ - Teleterm: Must use RTC. Anything else makes teleterm go crazy.
+ - 256TC, 128, 128p: Doesn't seem to matter, leave at the default.
+ - Standard: Has no effect, best left at "Tied High"
+ - Other rom-based models: "VS" to make the Telcom clock work, or "Tied high".
+ - 56k: not sure yet, leave as "Tied high" until more is known.
+
+***************************************************************************
+
+ TODO/not working:
+
+ - 256tc: Paste ignores shift key
+ - All others: Paste drops most characters.
+
+ - various fdc issues:
+ - B drive doesn't work with most disks.
+ - some disks cause MESS to freeze.
+ - ENMF pin missing from wd_fdc.
+ - incorrect timing for track register causes 256tc failure to boot a disk.
+
+ - Simply Write has keyboard problems (in 128k, no keys work).
+
+ - 256tc: At the menu, if F2 pressed to activate the Monitor, the emulated machine
+ crashes due to a bug in z80pio emulation.
+
+ - 256tc: the Intro disk doesn't work
+
+ - 256tc, Teleterm: Keyboard CPU inbuilt ROM needs to be dumped.
+ - 128k, 64k: PALs need to be dumped for the bankswitching.
+
+ - Teleterm: keyboard has problems. The schematic shows it using the old-style keyboard,
+ however it actually uses the new keyboard with interrupts.
+
+ - Mouse: a few programs support the use of a serial mouse which interfaced
+ directly to the Z80PIO. However there's little info to be found.
+ PIO B3 to ground activates the mouse pointer in Shell v3.01.
+
+ - Hard drive (10MB) & controller
+
+*******************************************************************************/
+
+#include "includes/mbee.h"
+#include "formats/mbee_cas.h"
+
+#define XTAL_13_5MHz 13500000
+
+/********** NOTE !!! ***********************************************************
+ The microbee uses lots of bankswitching and the memory maps are still
+ being determined. Please don't merge memory maps !!
+********************************************************************************/
+
+
+static ADDRESS_MAP_START(mbee_mem, AS_PROGRAM, 8, mbee_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x7fff) AM_RAM
+ AM_RANGE(0x8000, 0xefff) AM_ROM
+ AM_RANGE(0xf000, 0xf7ff) AM_READWRITE(video_low_r, video_low_w)
+ AM_RANGE(0xf800, 0xffff) AM_READWRITE(video_high_r, video_high_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeeic_mem, AS_PROGRAM, 8, mbee_state)
+ AM_RANGE(0x0000, 0x7fff) AM_RAM
+ AM_RANGE(0x8000, 0xbfff) AM_ROM
+ AM_RANGE(0xc000, 0xdfff) AM_ROMBANK("pak")
+ AM_RANGE(0xe000, 0xefff) AM_ROM
+ AM_RANGE(0xf000, 0xf7ff) AM_READWRITE(video_low_r, video_low_w)
+ AM_RANGE(0xf800, 0xffff) AM_READWRITE(video_high_r, video_high_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeepc_mem, AS_PROGRAM, 8, mbee_state)
+ AM_RANGE(0x0000, 0x7fff) AM_RAM
+ AM_RANGE(0x8000, 0xbfff) AM_ROM
+ AM_RANGE(0xc000, 0xdfff) AM_ROMBANK("pak")
+ AM_RANGE(0xe000, 0xefff) AM_ROMBANK("telcom")
+ AM_RANGE(0xf000, 0xf7ff) AM_READWRITE(video_low_r, video_low_w)
+ AM_RANGE(0xf800, 0xffff) AM_READWRITE(video_high_r, video_high_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeeppc_mem, AS_PROGRAM, 8, mbee_state)
+ AM_RANGE(0x0000, 0x7fff) AM_RAM
+ AM_RANGE(0x8000, 0x9fff) AM_ROMBANK("basic")
+ AM_RANGE(0xa000, 0xbfff) AM_ROM
+ AM_RANGE(0xc000, 0xdfff) AM_ROMBANK("pak")
+ AM_RANGE(0xe000, 0xefff) AM_ROMBANK("telcom")
+ AM_RANGE(0xf000, 0xf7ff) AM_READWRITE(video_low_r, video_low_w)
+ AM_RANGE(0xf800, 0xffff) AM_READWRITE(video_high_r, video_high_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbee56_mem, AS_PROGRAM, 8, mbee_state)
+ AM_RANGE(0x0000, 0xdfff) AM_RAM
+ AM_RANGE(0xe000, 0xefff) AM_ROM
+ AM_RANGE(0xf000, 0xf7ff) AM_READWRITE(video_low_r, video_low_w)
+ AM_RANGE(0xf800, 0xffff) AM_READWRITE(video_high_r, video_high_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbee256_mem, AS_PROGRAM, 8, mbee_state)
+ AM_RANGE(0x0000, 0x0fff) AM_READ_BANK("bankr0") AM_WRITE_BANK("bankw0")
+ AM_RANGE(0x1000, 0x1fff) AM_READ_BANK("bankr1") AM_WRITE_BANK("bankw1")
+ AM_RANGE(0x2000, 0x2fff) AM_READ_BANK("bankr2") AM_WRITE_BANK("bankw2")
+ AM_RANGE(0x3000, 0x3fff) AM_READ_BANK("bankr3") AM_WRITE_BANK("bankw3")
+ AM_RANGE(0x4000, 0x4fff) AM_READ_BANK("bankr4") AM_WRITE_BANK("bankw4")
+ AM_RANGE(0x5000, 0x5fff) AM_READ_BANK("bankr5") AM_WRITE_BANK("bankw5")
+ AM_RANGE(0x6000, 0x6fff) AM_READ_BANK("bankr6") AM_WRITE_BANK("bankw6")
+ AM_RANGE(0x7000, 0x7fff) AM_READ_BANK("bankr7") AM_WRITE_BANK("bankw7")
+ AM_RANGE(0x8000, 0x8fff) AM_READ_BANK("bankr8") AM_WRITE_BANK("bankw8")
+ AM_RANGE(0x9000, 0x9fff) AM_READ_BANK("bankr9") AM_WRITE_BANK("bankw9")
+ AM_RANGE(0xa000, 0xafff) AM_READ_BANK("bankr10") AM_WRITE_BANK("bankw10")
+ AM_RANGE(0xb000, 0xbfff) AM_READ_BANK("bankr11") AM_WRITE_BANK("bankw11")
+ AM_RANGE(0xc000, 0xcfff) AM_READ_BANK("bankr12") AM_WRITE_BANK("bankw12")
+ AM_RANGE(0xd000, 0xdfff) AM_READ_BANK("bankr13") AM_WRITE_BANK("bankw13")
+ AM_RANGE(0xe000, 0xefff) AM_READ_BANK("bankr14") AM_WRITE_BANK("bankw14")
+ AM_RANGE(0xf000, 0xffff) AM_READ_BANK("bankr15") AM_WRITE_BANK("bankw15")
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeett_mem, AS_PROGRAM, 8, mbee_state)
+ AM_RANGE(0x0000, 0x7fff) AM_RAM
+ AM_RANGE(0x8000, 0x9fff) AM_ROM
+ AM_RANGE(0xa000, 0xbfff) AM_RAM
+ AM_RANGE(0xc000, 0xdfff) AM_ROMBANK("pak")
+ AM_RANGE(0xe000, 0xefff) AM_ROMBANK("telcom")
+ AM_RANGE(0xf000, 0xf7ff) AM_READWRITE(video_low_r, video_low_w)
+ AM_RANGE(0xf800, 0xffff) AM_READWRITE(video_high_r, video_high_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbee_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00, 0x03) AM_MIRROR(0x10) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x0b, 0x0b) AM_MIRROR(0x10) AM_WRITE(port0b_w)
+ AM_RANGE(0x0c, 0x0c) AM_MIRROR(0x10) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x0d, 0x0d) AM_MIRROR(0x10) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeeic_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00, 0x03) AM_MIRROR(0x10) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x08, 0x08) AM_MIRROR(0x10) AM_READWRITE(port08_r, port08_w)
+ AM_RANGE(0x09, 0x09) AM_WRITENOP /* Listed as "Colour Wait Off" or "USART 2651" but doesn't appear in the schematics */
+ AM_RANGE(0x0a, 0x0a) AM_MIRROR(0x10) AM_WRITE(port0a_w)
+ AM_RANGE(0x0b, 0x0b) AM_MIRROR(0x10) AM_WRITE(port0b_w)
+ AM_RANGE(0x0c, 0x0c) AM_MIRROR(0x10) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x0d, 0x0d) AM_MIRROR(0x10) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeepc_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x0003) AM_MIRROR(0xff10) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x0008, 0x0008) AM_MIRROR(0xff10) AM_READWRITE(port08_r, port08_w)
+ AM_RANGE(0x0009, 0x0009) AM_MIRROR(0xff00) AM_WRITENOP
+ AM_RANGE(0x000b, 0x000b) AM_MIRROR(0xff10) AM_WRITE(port0b_w)
+ AM_RANGE(0x000c, 0x000c) AM_MIRROR(0xff10) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x000d, 0x000d) AM_MIRROR(0xff10) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ AM_RANGE(0x000a, 0x000a) AM_MIRROR(0xfe10) AM_READWRITE(telcom_low_r, port0a_w)
+ AM_RANGE(0x010a, 0x010a) AM_MIRROR(0xfe10) AM_READWRITE(telcom_high_r, port0a_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeeppc_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x0003) AM_MIRROR(0xff10) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x0008, 0x0008) AM_MIRROR(0xff10) AM_READWRITE(port08_r, port08_w)
+ AM_RANGE(0x0009, 0x0009) AM_MIRROR(0xff00) AM_WRITENOP
+ AM_RANGE(0x000b, 0x000b) AM_MIRROR(0xff10) AM_WRITE(port0b_w)
+ AM_RANGE(0x000c, 0x000c) AM_MIRROR(0xff00) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x000d, 0x000d) AM_MIRROR(0xff10) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ AM_RANGE(0x001c, 0x001c) AM_MIRROR(0xff00) AM_READWRITE(port1c_r, port1c_w)
+ AM_RANGE(0x000a, 0x000a) AM_MIRROR(0xfe10) AM_READWRITE(telcom_low_r, port0a_w)
+ AM_RANGE(0x010a, 0x010a) AM_MIRROR(0xfe10) AM_READWRITE(telcom_high_r, port0a_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbeett_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x0003) AM_MIRROR(0xff00) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x0004, 0x0004) AM_MIRROR(0xff00) AM_WRITE(port04_w)
+ AM_RANGE(0x0006, 0x0006) AM_MIRROR(0xff00) AM_WRITE(port06_w)
+ AM_RANGE(0x0007, 0x0007) AM_MIRROR(0xff00) AM_READ(port07_r)
+ AM_RANGE(0x0008, 0x0008) AM_MIRROR(0xff00) AM_READWRITE(port08_r, port08_w)
+ AM_RANGE(0x000b, 0x000b) AM_MIRROR(0xff00) AM_WRITE(port0b_w)
+ AM_RANGE(0x000c, 0x000c) AM_MIRROR(0xff00) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x000d, 0x000d) AM_MIRROR(0xff00) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ AM_RANGE(0x0018, 0x001b) AM_MIRROR(0xff00) AM_READ(port18_r)
+ AM_RANGE(0x001c, 0x001f) AM_MIRROR(0xff00) AM_READWRITE(port1c_r, port1c_w)
+ AM_RANGE(0x0009, 0x0009) AM_MIRROR(0xfe00) AM_READ(speed_low_r)
+ AM_RANGE(0x0109, 0x0109) AM_MIRROR(0xfe00) AM_READ(speed_high_r)
+ AM_RANGE(0x000a, 0x000a) AM_MIRROR(0xfe00) AM_READWRITE(telcom_low_r, port0a_w)
+ AM_RANGE(0x010a, 0x010a) AM_MIRROR(0xfe00) AM_READWRITE(telcom_high_r, port0a_w)
+ AM_RANGE(0x0068, 0x006f) AM_MIRROR(0xff00) AM_DEVREADWRITE("scc", scc8530_t, reg_r, reg_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbee56_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x08, 0x08) AM_READWRITE(port08_r, port08_w)
+ AM_RANGE(0x09, 0x09) AM_WRITENOP
+ AM_RANGE(0x0b, 0x0b) AM_WRITE(port0b_w)
+ AM_RANGE(0x0c, 0x0c) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x0d, 0x0d) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ AM_RANGE(0x44, 0x47) AM_DEVREADWRITE("fdc", wd2793_t, read, write)
+ AM_RANGE(0x48, 0x4f) AM_READWRITE(fdc_status_r, fdc_motor_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbee128_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x04, 0x04) AM_WRITE(port04_w)
+ AM_RANGE(0x06, 0x06) AM_WRITE(port06_w)
+ AM_RANGE(0x07, 0x07) AM_READ(port07_r)
+ AM_RANGE(0x08, 0x08) AM_READWRITE(port08_r, port08_w)
+ AM_RANGE(0x09, 0x09) AM_WRITENOP
+ AM_RANGE(0x0b, 0x0b) AM_WRITE(port0b_w)
+ AM_RANGE(0x0c, 0x0c) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x0d, 0x0d) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ AM_RANGE(0x1c, 0x1f) AM_READWRITE(port1c_r, port1c_w)
+ AM_RANGE(0x44, 0x47) AM_DEVREADWRITE("fdc", wd2793_t, read, write)
+ AM_RANGE(0x48, 0x4f) AM_READWRITE(fdc_status_r, fdc_motor_w)
+ AM_RANGE(0x50, 0x57) AM_WRITE(mbee128_50_w)
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(mbee256_io, AS_IO, 8, mbee_state)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x0000, 0x0003) AM_MIRROR(0xff00) AM_DEVREADWRITE("z80pio", z80pio_device, read_alt, write_alt)
+ AM_RANGE(0x0004, 0x0004) AM_MIRROR(0xff00) AM_WRITE(port04_w)
+ AM_RANGE(0x0006, 0x0006) AM_MIRROR(0xff00) AM_WRITE(port06_w)
+ AM_RANGE(0x0007, 0x0007) AM_MIRROR(0xff00) AM_READ(port07_r)
+ AM_RANGE(0x0008, 0x0008) AM_MIRROR(0xff00) AM_READWRITE(port08_r, port08_w)
+ AM_RANGE(0x0009, 0x0009) AM_MIRROR(0xfd00) AM_READ(speed_low_r)
+ AM_RANGE(0x0209, 0x0209) AM_MIRROR(0xfd00) AM_READ(speed_high_r)
+ AM_RANGE(0x0009, 0x0009) AM_MIRROR(0xff00) AM_WRITENOP
+ AM_RANGE(0x000b, 0x000b) AM_MIRROR(0xff00) AM_WRITE(port0b_w)
+ AM_RANGE(0x000c, 0x000c) AM_MIRROR(0xff00) AM_DEVREAD("crtc", mc6845_device, status_r) AM_WRITE(m6545_index_w)
+ AM_RANGE(0x000d, 0x000d) AM_MIRROR(0xff00) AM_DEVREAD("crtc", mc6845_device, register_r) AM_WRITE(m6545_data_w)
+ // AM_RANGE(0x0010, 0x0013) AM_MIRROR(0xff00) Optional SN76489AN audio chip
+ AM_RANGE(0x0018, 0x001b) AM_MIRROR(0xff00) AM_READ(port18_r)
+ AM_RANGE(0x001c, 0x001f) AM_MIRROR(0xff00) AM_READWRITE(port1c_r, port1c_w)
+ AM_RANGE(0x0044, 0x0047) AM_MIRROR(0xff00) AM_DEVREADWRITE("fdc", wd2793_t, read, write)
+ AM_RANGE(0x0048, 0x004f) AM_MIRROR(0xff00) AM_READWRITE(fdc_status_r, fdc_motor_w)
+ AM_RANGE(0x0050, 0x0057) AM_MIRROR(0xff00) AM_WRITE(mbee256_50_w)
+ // AM_RANGE(0x0058, 0x005f) AM_MIRROR(0xff00) External options: floppy drive, hard drive and keyboard
+ // AM_RANGE(0x0060, 0x0067) AM_MIRROR(0xff00) Reserved for file server selection (unused)
+ // AM_RANGE(0x0068, 0x006f) AM_MIRROR(0xff00) Reserved for 8530 SCC (unused)
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( oldkb )
+ PORT_START("X.0") /* IN0 KEY ROW 0 [000] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("@") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR('@') PORT_CHAR('`')
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_CHAR(0x01)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_CHAR(0x02)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(0x03)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_CHAR(0x04)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_CHAR(0x05)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR(0x06)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR(0x07)
+
+ PORT_START("X.1") /* IN1 KEY ROW 1 [080] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR(0x08)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_CHAR(0x09)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_CHAR(0x0a)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x0b)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0x0c)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_CHAR(0x0d)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x0e)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x0f)
+
+ PORT_START("X.2") /* IN2 KEY ROW 2 [100] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x10)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR(0x11)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR(0x12)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_CHAR(0x13)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(0x14)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_CHAR(0x15)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_CHAR(0x16)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR(0x17)
+
+ PORT_START("X.3") /* IN3 KEY ROW 3 [180] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR(0x18)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_CHAR(0x19)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_CHAR(0x1a)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_CHAR(0x1b)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_CHAR(0x1c)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_CHAR(0x1d)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("^") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~') PORT_CHAR(0x1e)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Delete") PORT_CODE(KEYCODE_DEL) PORT_CHAR(8) PORT_CHAR(0x5f) PORT_CHAR(0x1f) // port_char not working - hijacked
+
+ PORT_START("X.4") /* IN4 KEY ROW 4 [200] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("2 \"") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"')
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("7 '") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
+
+ PORT_START("X.5") /* IN5 KEY ROW 5 [280] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(": *") PORT_CODE(KEYCODE_COLON) PORT_CHAR(':') PORT_CHAR('*')
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("; +") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(';') PORT_CHAR('+')
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("- =") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+
+ PORT_START("X.6") /* IN6 KEY ROW 6 [300] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Escape") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Linefeed") PORT_CODE(KEYCODE_HOME) PORT_CHAR(10)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Break") PORT_CODE(KEYCODE_END) PORT_CHAR(3)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+
+ PORT_START("X.7") /* IN7 KEY ROW 7 [380] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Up)") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Down)") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Left)") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED )
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Right)") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( mbee )
+
+ PORT_INCLUDE( oldkb )
+
+ // Autorun on quickload
+ PORT_START("CONFIG")
+ PORT_CONFNAME( 0x01, 0x01, "Autorun on Quickload")
+ PORT_CONFSETTING( 0x00, DEF_STR(No))
+ PORT_CONFSETTING( 0x01, DEF_STR(Yes))
+ // monochrome monitor could be used
+ PORT_CONFNAME( 0x30, 0x00, "Monitor type")
+ PORT_CONFSETTING( 0x00, "Colour")
+ PORT_CONFSETTING( 0x10, "Green")
+ PORT_CONFSETTING( 0x20, "Amber")
+ PORT_CONFSETTING( 0x30, "White")
+ // Wire links on motherboard
+ PORT_CONFNAME( 0xc0, 0x00, "PIO B7")
+ PORT_CONFSETTING( 0x00, "VS") // sync pulse to enable telcom clock
+ PORT_CONFSETTING( 0x40, "RTC") // optional board usually not fitted
+ PORT_CONFSETTING( 0x80, "Tied high") // default resistor to vcc
+ PORT_CONFSETTING( 0xc0, "Reserved for net")
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( mbee128 )
+
+ PORT_INCLUDE( oldkb )
+
+ // Autorun on quickload
+ PORT_START("CONFIG")
+ PORT_CONFNAME( 0x01, 0x01, "Autorun on Quickload")
+ PORT_CONFSETTING( 0x00, DEF_STR(No))
+ PORT_CONFSETTING( 0x01, DEF_STR(Yes))
+ // monochrome monitor could be used
+ PORT_CONFNAME( 0x30, 0x00, "Monitor type")
+ PORT_CONFSETTING( 0x00, "Colour")
+ PORT_CONFSETTING( 0x10, "Green")
+ PORT_CONFSETTING( 0x20, "Amber")
+ PORT_CONFSETTING( 0x30, "White")
+ // Wire links on motherboard
+ PORT_CONFNAME( 0xc0, 0x40, "PIO B7")
+ PORT_CONFSETTING( 0x00, "VS") // sync pulse to enable telcom clock
+ PORT_CONFSETTING( 0x40, "RTC") // RTC IRQ for clock
+ PORT_CONFSETTING( 0x80, "Tied high") // default resistor to vcc
+ PORT_CONFSETTING( 0xc0, "Reserved for net")
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( mbee256 )
+ PORT_START("Y.0") /* IN0 KEY ROW 0 [+00] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F1") PORT_CODE(KEYCODE_F1)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Escape") PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Break") PORT_CODE(KEYCODE_END) PORT_CHAR(3)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0 (num)") PORT_CODE(KEYCODE_0_PAD)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("DEL (num)") PORT_CODE(KEYCODE_DEL_PAD)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+
+ PORT_START("Y.1") /* IN1 KEY ROW 1 [+08] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F2") PORT_CODE(KEYCODE_F2)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR(0x11)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_CHAR(0x01)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Linefeed") PORT_CODE(KEYCODE_HOME) PORT_CHAR(10)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Insert") PORT_CODE(KEYCODE_INSERT)
+
+ PORT_START("Y.2") /* IN2 KEY ROW 2 [+10] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F3") PORT_CODE(KEYCODE_F3)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("2 @") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR(0x17)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_CHAR(0x13)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("+ (num)") PORT_CODE(KEYCODE_PLUS_PAD)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("2 (num)") PORT_CODE(KEYCODE_2_PAD)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3 (num)") PORT_CODE(KEYCODE_3_PAD)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_CHAR(0x1a)
+
+ PORT_START("Y.3") /* IN3 KEY ROW 3 [+18] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F4") PORT_CODE(KEYCODE_F4)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_CHAR(0x05)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_CHAR(0x04)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("- (num)") PORT_CODE(KEYCODE_MINUS_PAD)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("5 (num)") PORT_CODE(KEYCODE_5_PAD)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("6 (num)") PORT_CODE(KEYCODE_6_PAD)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR(0x18)
+
+ PORT_START("Y.4") /* IN4 KEY ROW 4 [+20] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F5") PORT_CODE(KEYCODE_F5)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR(0x12)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR(0x06)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("* (num)") PORT_CODE(KEYCODE_ASTERISK)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("8 (num)") PORT_CODE(KEYCODE_8_PAD)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("9 (num)") PORT_CODE(KEYCODE_9_PAD)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(0x03)
+
+ PORT_START("Y.5") /* IN5 KEY ROW 5 [+28] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F6") PORT_CODE(KEYCODE_F6)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(0x14)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR(0x07)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("7 (num)") PORT_CODE(KEYCODE_7_PAD)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("1 (num)") PORT_CODE(KEYCODE_1_PAD)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4 (num)") PORT_CODE(KEYCODE_4_PAD)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_CHAR(0x16)
+
+ PORT_START("Y.6") /* IN6 KEY ROW 6 [+30] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F7") PORT_CODE(KEYCODE_F7)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_CHAR(0x19)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR(0x08)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/ (num)") PORT_CODE(KEYCODE_SLASH_PAD)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Down)") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Right)") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_CHAR(0x02)
+
+ PORT_START("Y.7") /* IN7 KEY ROW 7 [+38] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F8") PORT_CODE(KEYCODE_F8)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("7 &") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_CHAR(0x15)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_CHAR(0x0a)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Left)") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x0e)
+
+ PORT_START("Y.8") /* IN0 KEY ROW 0 [+40] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F9") PORT_CODE(KEYCODE_F9)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("8 *") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_CHAR(0x09)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x0b)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("(Up)") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_CHAR(0x0d)
+
+ PORT_START("Y.9") /* IN1 KEY ROW 1 [+48] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F10") PORT_CODE(KEYCODE_F10)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("9 (") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x0f)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0x0c)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(13)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+
+ PORT_START("Y.10") /* IN2 KEY ROW 2 [+50] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F11") PORT_CODE(KEYCODE_F11)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0 )") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x10)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("; :") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Delete") PORT_CODE(KEYCODE_DEL) PORT_CHAR(127)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("` ~") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~')
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\\ |") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') PORT_CHAR(0x1c)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+
+ PORT_START("Y.11") /* IN3 KEY ROW 3 [+58] */
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F12") PORT_CODE(KEYCODE_F12)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("[ {") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') PORT_CHAR(0x1b)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\' \"") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('\"')
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("= +") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("] }") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') PORT_CHAR(0x1d)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+
+ PORT_START("Y.12") /* IN4 KEY ROW 4 [+60] */
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+
+ PORT_START("Y.13") /* IN5 KEY ROW 5 [+68] */
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
+
+ PORT_START("Y.14") /* IN6 KEY ROW 6 [+70] */
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Alt") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT)
+
+ // Autorun on quickload
+ PORT_START("CONFIG")
+ PORT_CONFNAME( 0x01, 0x01, "Autorun on Quickload")
+ PORT_CONFSETTING( 0x00, DEF_STR(No))
+ PORT_CONFSETTING( 0x01, DEF_STR(Yes))
+ // Wire links on motherboard
+ PORT_CONFNAME( 0xc0, 0x40, "PIO B7")
+ PORT_CONFSETTING( 0x00, "VS") // sync pulse to enable telcom clock
+ PORT_CONFSETTING( 0x40, "RTC") // RTC IRQ must be used on teleterm
+ PORT_CONFSETTING( 0x80, "Tied high") // default resistor to vcc
+ PORT_CONFSETTING( 0xc0, "Reserved for net")
+INPUT_PORTS_END
+
+static const z80_daisy_config mbee_daisy_chain[] =
+{
+ { "z80pio" },
+ { NULL }
+};
+
+/**************************** F4 CHARACTER DISPLAYER */
+static const gfx_layout mbee_charlayout =
+{
+ 8,16, /* 8 x 16 characters */
+ RGN_FRAC(1,1),
+ 1, /* 1 bits per pixel */
+ { 0 }, /* no bitplanes */
+ /* x offsets */
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ /* y offsets */
+ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 },
+ 8*16 /* every char takes 16 bytes */
+};
+
+static GFXDECODE_START( mono )
+ GFXDECODE_ENTRY( "gfx", 0x0000, mbee_charlayout, 96, 1 )
+GFXDECODE_END
+
+static GFXDECODE_START( standard )
+ GFXDECODE_ENTRY( "gfx", 0x0000, mbee_charlayout, 0, 48 )
+GFXDECODE_END
+
+static GFXDECODE_START( premium )
+ GFXDECODE_ENTRY( "gfx", 0x0000, mbee_charlayout, 0, 8 )
+GFXDECODE_END
+
+static SLOT_INTERFACE_START( mbee_floppies )
+ SLOT_INTERFACE( "drive3a", FLOPPY_35_DD )
+ SLOT_INTERFACE( "drive3b", FLOPPY_35_DD )
+ SLOT_INTERFACE( "drive5a", FLOPPY_525_QD )
+ SLOT_INTERFACE( "drive5b", FLOPPY_525_QD )
+SLOT_INTERFACE_END
+
+
+static MACHINE_CONFIG_START( mbee, mbee_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, XTAL_12MHz / 6) /* 2 MHz */
+ MCFG_CPU_PROGRAM_MAP(mbee_mem)
+ MCFG_CPU_IO_MAP(mbee_io)
+ MCFG_CPU_CONFIG(mbee_daisy_chain)
+
+ MCFG_MACHINE_RESET_OVERRIDE(mbee_state, mbee)
+
+ MCFG_DEVICE_ADD("z80pio", Z80PIO, XTAL_12MHz / 6)
+ MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
+ MCFG_Z80PIO_OUT_PA_CB(DEVWRITE8("cent_data_out", output_latch_device, write))
+ MCFG_Z80PIO_OUT_ARDY_CB(WRITELINE(mbee_state, pio_ardy))
+ MCFG_Z80PIO_IN_PB_CB(READ8(mbee_state, pio_port_b_r))
+ MCFG_Z80PIO_OUT_PB_CB(WRITE8(mbee_state, pio_port_b_w))
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(250)) /* not accurate */
+ MCFG_SCREEN_SIZE(64*8, 19*16) /* need at least 17 lines for NET */
+ MCFG_SCREEN_VISIBLE_AREA(0*8, 64*8-1, 0, 19*16-1)
+ MCFG_SCREEN_UPDATE_DRIVER(mbee_state, screen_update_mbee)
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", mono)
+
+ MCFG_PALETTE_ADD("palette", 100)
+ MCFG_PALETTE_INIT_OWNER(mbee_state, standard)
+
+ MCFG_VIDEO_START_OVERRIDE(mbee_state, mono)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+ MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ /* devices */
+ MCFG_MC6845_ADD("crtc", SY6545_1, "screen", XTAL_12MHz / 8)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(8)
+ MCFG_MC6845_UPDATE_ROW_CB(mbee_state, crtc_update_row)
+ MCFG_MC6845_ADDR_CHANGED_CB(mbee_state, crtc_update_addr)
+ MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(mbee_state, crtc_vs))
+
+ MCFG_QUICKLOAD_ADD("quickload", mbee_state, mbee, "mwb,com,bee", 3)
+ MCFG_QUICKLOAD_ADD("quickload2", mbee_state, mbee_z80bin, "bin", 3)
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE("z80pio", z80pio_device, strobe_a))
+
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
+
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(mbee_cassette_formats)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_START( mbeeic, mbee_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80, XTAL_13_5MHz / 4) /* 3.37500 MHz */
+ MCFG_CPU_PROGRAM_MAP(mbeeic_mem)
+ MCFG_CPU_IO_MAP(mbeeic_io)
+ MCFG_CPU_CONFIG(mbee_daisy_chain)
+
+ MCFG_MACHINE_RESET_OVERRIDE(mbee_state, mbee)
+
+ MCFG_DEVICE_ADD("z80pio", Z80PIO, 3375000)
+ MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
+ MCFG_Z80PIO_OUT_PA_CB(DEVWRITE8("cent_data_out", output_latch_device, write))
+ MCFG_Z80PIO_OUT_ARDY_CB(WRITELINE(mbee_state, pio_ardy))
+ MCFG_Z80PIO_IN_PB_CB(READ8(mbee_state, pio_port_b_r))
+ MCFG_Z80PIO_OUT_PB_CB(WRITE8(mbee_state, pio_port_b_w))
+
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(250)) /* not accurate */
+ MCFG_SCREEN_SIZE(80*8, 310)
+ MCFG_SCREEN_VISIBLE_AREA(0, 80*8-1, 0, 19*16-1)
+ MCFG_SCREEN_UPDATE_DRIVER(mbee_state, screen_update_mbee)
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", standard)
+
+ MCFG_PALETTE_ADD("palette", 100)
+ MCFG_PALETTE_INIT_OWNER(mbee_state, standard)
+
+ MCFG_VIDEO_START_OVERRIDE(mbee_state, standard)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
+ MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
+
+ /* devices */
+ MCFG_MC6845_ADD("crtc", SY6545_1, "screen", XTAL_13_5MHz / 8)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(8)
+ MCFG_MC6845_UPDATE_ROW_CB(mbee_state, crtc_update_row)
+ MCFG_MC6845_ADDR_CHANGED_CB(mbee_state, crtc_update_addr)
+ MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(mbee_state, crtc_vs))
+
+ MCFG_QUICKLOAD_ADD("quickload", mbee_state, mbee, "mwb,com,bee", 2)
+ MCFG_QUICKLOAD_ADD("quickload2", mbee_state, mbee_z80bin, "bin", 2)
+
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE("z80pio", z80pio_device, strobe_a))
+
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
+
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(mbee_cassette_formats)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mbeepc, mbeeic )
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(mbeepc_mem)
+ MCFG_CPU_IO_MAP(mbeepc_io)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mbeeppc, mbeeic )
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(mbeeppc_mem)
+ MCFG_CPU_IO_MAP(mbeeppc_io)
+ MCFG_VIDEO_START_OVERRIDE(mbee_state, premium)
+ MCFG_GFXDECODE_MODIFY("gfxdecode", premium)
+ MCFG_PALETTE_MODIFY("palette")
+ MCFG_PALETTE_INIT_OWNER(mbee_state, premium)
+ MCFG_MC146818_ADD( "rtc", XTAL_32_768kHz )
+ MCFG_MC146818_IRQ_HANDLER(WRITELINE(mbee_state, rtc_irq_w))
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mbee56, mbeeic )
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(mbee56_mem)
+ MCFG_CPU_IO_MAP(mbee56_io)
+ MCFG_MACHINE_RESET_OVERRIDE(mbee_state, mbee56)
+ MCFG_WD2793_ADD("fdc", XTAL_4MHz / 2)
+ MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(mbee_state, fdc_intrq_w))
+ MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(mbee_state, fdc_drq_w))
+ MCFG_WD_FDC_ENMF_CALLBACK(GND)
+ MCFG_FLOPPY_DRIVE_ADD("fdc:0", mbee_floppies, "drive5a", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+ MCFG_FLOPPY_DRIVE_ADD("fdc:1", mbee_floppies, "drive5b", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mbee128, mbee56 )
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(mbee256_mem)
+ MCFG_CPU_IO_MAP(mbee128_io)
+ MCFG_MACHINE_RESET_OVERRIDE(mbee_state, mbee128)
+ MCFG_MC146818_ADD( "rtc", XTAL_32_768kHz )
+ MCFG_MC146818_IRQ_HANDLER(WRITELINE(mbee_state, rtc_irq_w))
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mbee128p, mbeeppc )
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(mbee256_mem)
+ MCFG_CPU_IO_MAP(mbee128_io)
+ MCFG_MACHINE_RESET_OVERRIDE(mbee_state, mbee128)
+ MCFG_WD2793_ADD("fdc", XTAL_4MHz / 2)
+ MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(mbee_state, fdc_intrq_w))
+ MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(mbee_state, fdc_drq_w))
+ MCFG_WD_FDC_ENMF_CALLBACK(GND)
+ MCFG_FLOPPY_DRIVE_ADD("fdc:0", mbee_floppies, "drive5a", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+ MCFG_FLOPPY_DRIVE_ADD("fdc:1", mbee_floppies, "drive5b", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mbee256, mbee128p )
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(mbee256_mem)
+ MCFG_CPU_IO_MAP(mbee256_io)
+ MCFG_MACHINE_RESET_OVERRIDE(mbee_state, mbee256)
+
+ MCFG_DEVICE_REMOVE("fdc:0")
+ MCFG_DEVICE_REMOVE("fdc:1")
+ MCFG_FLOPPY_DRIVE_ADD("fdc:0", mbee_floppies, "drive3a", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+ MCFG_FLOPPY_DRIVE_ADD("fdc:1", mbee_floppies, "drive3b", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( mbeett, mbeeppc )
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(mbeett_mem)
+ MCFG_CPU_IO_MAP(mbeett_io)
+ MCFG_MACHINE_RESET_OVERRIDE(mbee_state, mbeett)
+ MCFG_DEVICE_REMOVE("quickload")
+ MCFG_DEVICE_REMOVE("quickload2")
+ MCFG_DEVICE_ADD("scc", SCC8530, 4000000) // clock unknown
+MACHINE_CONFIG_END
+
+/* Unused roms:
+ ROM_LOAD_OPTIONAL("net.rom", 0xe000, 0x1000, CRC(e14aac4c) SHA1(330902cf47f53c22c85003a620f7d7d3261ebb67) )
+ customised for a certain high school. Requires pulsing at bit 3 port 0 before it runs.
+
+ ROM_LOAD_OPTIONAL("chip8_22.rom", 0xe000, 0x1000, CRC(11fbb547) SHA1(7bd9dc4b67b33b8e1be99beb6a0ddff25bdbd3f7) )
+ Dreamcards Chip-8 V2.2 rom
+
+ ROM_LOAD_OPTIONAL("telcom11.rom", 0xe000, 0x1000, CRC(15516499) SHA1(2d4953f994b66c5d3b1d457b8c92d9a0a69eb8b8) )
+ Telcom 1.1 for the mbeeic (It could have 1.0, 1.1 or 1.2)
+
+*/
+
+
+/* gfxram:
+ 0000 = normal characters in charrom
+ 0800 = small characters in charrom
+ 1000 = characters selected
+ 1800 = pcg */
+
+ROM_START( mbee )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF)
+ ROM_LOAD("bas510a.ic25", 0x8000, 0x1000, CRC(2ca47c36) SHA1(f36fd0afb3f1df26edc67919e78000b762b6cbcb) )
+ ROM_LOAD("bas510b.ic27", 0x9000, 0x1000, CRC(a07a0c51) SHA1(dcbdd9df78b4b6b2972de2e4050dabb8ae9c3f5a) )
+ ROM_LOAD("bas510c.ic28", 0xa000, 0x1000, CRC(906ac00f) SHA1(9b46458e5755e2c16cdb191a6a70df6de9fe0271) )
+ ROM_LOAD("bas510d.ic30", 0xb000, 0x1000, CRC(61727323) SHA1(c0fea9fd0e25beb9faa7424db8efd07cf8d26c1b) )
+ ROM_LOAD_OPTIONAL("edasma.ic31", 0xc000, 0x1000, CRC(120c3dea) SHA1(32c9bb6e54dd50d5218bb43cc921885a0307161d) )
+ ROM_LOAD_OPTIONAL("edasmb.ic33", 0xd000, 0x1000, CRC(a23bf3c8) SHA1(73a57c2800a1c744b527d0440b170b8b03351753) )
+ ROM_LOAD_OPTIONAL("telcom10.rom", 0xe000, 0x1000, CRC(cc9ac94d) SHA1(6804b5ff54d16f8e06180751d8681c44f351e0bb) )
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom.ic13", 0x1000, 0x0800, CRC(b149737b) SHA1(a3cd4f5d0d3c71137cd1f0f650db83333a2e3597) )
+ ROM_RELOAD( 0x0000, 0x0800 )
+ ROM_RELOAD( 0x0800, 0x0800 )
+
+ ROM_REGION( 0x0020, "proms", 0 )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0000, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ROM_END
+
+ROM_START( mbeeic )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF)
+ ROM_LOAD("bas522a.rom", 0x8000, 0x2000, CRC(7896a696) SHA1(a158f7803296766160e1f258dfc46134735a9477) )
+ ROM_LOAD("bas522b.rom", 0xa000, 0x2000, CRC(b21d9679) SHA1(332844433763331e9483409cd7da3f90ac58259d) )
+ ROM_LOAD_OPTIONAL("telcom12.rom", 0xe000, 0x1000, CRC(0231bda3) SHA1(be7b32499034f985cc8f7865f2bc2b78c485585c) )
+
+ /* PAK option roms */
+ ROM_REGION(0x20000, "pakrom", ROMREGION_ERASEFF)
+ ROM_LOAD_OPTIONAL("edasm.rom", 0x0000, 0x2000, CRC(1af1b3a9) SHA1(d035a997c2dbbb3918b3395a3a5a1076aa203ee5) ) // 0
+ ROM_LOAD_OPTIONAL("wbee12.rom", 0x2000, 0x2000, CRC(0fc21cb5) SHA1(33b3995988fc51ddef1568e160dfe699867adbd5) ) // 1
+ ROM_LOAD_OPTIONAL("forth11.rom", 0x4000, 0x2000, CRC(f0fc2358) SHA1(b7303b94abe647d5a6ffb2fba5d205412f970c16) ) // 2
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0040, "proms", 0 )
+ ROM_LOAD( "82s123.ic7", 0x0000, 0x0020, CRC(61b9c16c) SHA1(0ee72377831c21339360c376f7248861d476dc20) )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0020, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ROM_END
+
+ROM_START( mbeepc )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF)
+ ROM_LOAD("bas522a.rom", 0x8000, 0x2000, CRC(7896a696) SHA1(a158f7803296766160e1f258dfc46134735a9477) )
+ ROM_LOAD("bas522b.rom", 0xa000, 0x2000, CRC(b21d9679) SHA1(332844433763331e9483409cd7da3f90ac58259d) )
+
+ ROM_REGION(0x2000, "telcomrom", 0)
+ ROM_LOAD_OPTIONAL("telcom31.rom", 0x0000, 0x2000, CRC(5a904a29) SHA1(3120fb65ccefeb180ab80d8d35440c70dc8452c8) )
+
+ /* PAK option roms */
+ ROM_REGION(0x20000, "pakrom", ROMREGION_ERASEFF)
+ ROM_LOAD_OPTIONAL("edasm.rom", 0x0000, 0x2000, CRC(1af1b3a9) SHA1(d035a997c2dbbb3918b3395a3a5a1076aa203ee5) ) // 0
+ ROM_LOAD_OPTIONAL("wbee12.rom", 0x2000, 0x2000, CRC(0fc21cb5) SHA1(33b3995988fc51ddef1568e160dfe699867adbd5) ) // 1
+ ROM_LOAD_OPTIONAL("mwbhelp.rom", 0x4000, 0x2000, CRC(d34fae54) SHA1(5ed30636f48e9d208ce2da367ba4425782a5bce3) ) // 2
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0040, "proms", 0 )
+ ROM_LOAD( "82s123.ic7", 0x0000, 0x0020, CRC(61b9c16c) SHA1(0ee72377831c21339360c376f7248861d476dc20) )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0020, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ROM_END
+
+ROM_START( mbeepc85 )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD("bas525a.rom", 0x8000, 0x2000, CRC(a6e02afe) SHA1(0495308c7e1d84b5989a3af6d3b881f4580b2641) )
+ ROM_LOAD("bas525b.rom", 0xa000, 0x2000, CRC(245dd36b) SHA1(dd288f3e6737627f50d3d2a49df3e57c423d3118) )
+
+ ROM_REGION(0x2000, "telcomrom", 0)
+ ROM_LOAD_OPTIONAL("telco321.rom", 0x0000, 0x2000, CRC(36852a11) SHA1(c45b8d03629e86231c6b256a7435abd87d8872a4) )
+
+ /* PAK option roms - Wordbee must be in slot 0 and Shell must be in slot 5. */
+ ROM_REGION(0x20000, "pakrom", ROMREGION_ERASEFF)
+ ROM_LOAD("wbee13.rom", 0x0000, 0x2000, CRC(d7c58b7b) SHA1(5af1b8d21a0f21534ed1833ae919dbbc6ca973e2) ) // 0
+ ROM_LOAD_OPTIONAL("cmdhelp.rom", 0x2000, 0x2000, CRC(a4f1fa90) SHA1(1456abc6ed0501a3b15a99b4302750843293ae5f) ) // 1
+ ROM_LOAD_OPTIONAL("edasm.rom", 0x4000, 0x2000, CRC(1af1b3a9) SHA1(d035a997c2dbbb3918b3395a3a5a1076aa203ee5) ) // 2
+ ROM_LOAD_OPTIONAL("forth.rom", 0x6000, 0x2000, CRC(c0795c2b) SHA1(8faa0a46fbbdb8a1019d706a40cd4431a5063f8c) ) // 3
+ ROM_LOAD("shell.rom", 0xa000, 0x2000, CRC(5a2c7cd6) SHA1(8edc086710cb558f2146d660eddc8a18ba6a141c) ) // 5
+ ROM_LOAD_OPTIONAL("ozlogo.rom", 0xc000, 0x2000, CRC(47c3ef69) SHA1(8274d27c323ca4a6cc9e7d24946ae9c0531c3112) ) // 6
+ ROM_LOAD_OPTIONAL("chess.rom", 0xe000, 0x2000, CRC(fe9ee9d0) SHA1(a316559414e68c0101af5f00755db551e7c5788e) ) // 7
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0040, "proms", 0 )
+ ROM_LOAD( "82s123.ic7", 0x0000, 0x0020, CRC(61b9c16c) SHA1(0ee72377831c21339360c376f7248861d476dc20) )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0020, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ROM_END
+
+ROM_START( mbeepc85b )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD("bas525a.rom", 0x8000, 0x2000, CRC(a6e02afe) SHA1(0495308c7e1d84b5989a3af6d3b881f4580b2641) )
+ ROM_LOAD("bas525b.rom", 0xa000, 0x2000, CRC(245dd36b) SHA1(dd288f3e6737627f50d3d2a49df3e57c423d3118) )
+
+ ROM_REGION(0x2000, "telcomrom", 0)
+ ROM_LOAD_OPTIONAL("telco321.rom", 0x0000, 0x2000, CRC(36852a11) SHA1(c45b8d03629e86231c6b256a7435abd87d8872a4) )
+
+ /* PAK option roms - Wordbee must be in slot 0 and Shell must be in slot 5. */
+ ROM_REGION(0x20000, "pakrom", ROMREGION_ERASEFF)
+ ROM_LOAD("wbee13.rom", 0x0000, 0x2000, CRC(d7c58b7b) SHA1(5af1b8d21a0f21534ed1833ae919dbbc6ca973e2) ) // 0
+ ROM_LOAD_OPTIONAL("cmdhelp.rom", 0x2000, 0x2000, CRC(a4f1fa90) SHA1(1456abc6ed0501a3b15a99b4302750843293ae5f) ) // 1
+ ROM_LOAD_OPTIONAL("busy.rom", 0x4000, 0x2000, CRC(56255f60) SHA1(fd2e37209fd49290be6875bc460cfc05392938ba) ) // 2
+ ROM_CONTINUE( 0x14000, 0x2000 )
+ ROM_LOAD_OPTIONAL("graphics.rom", 0x6000, 0x2000, CRC(9e9d327c) SHA1(aebf60ed153004380b9f271f2212376910a6cef9) ) // 3
+ ROM_CONTINUE( 0x16000, 0x2000 )
+ ROM_LOAD_OPTIONAL("viatel.rom", 0x8000, 0x2000, CRC(2da2411f) SHA1(d3cfa978165feef0a96e28197f6a762aa6604799) ) // 4
+ ROM_LOAD("shell-b.rom", 0xa000, 0x2000, CRC(17bf2d58) SHA1(ae22a5fc5783f37066ba5555497e40945272ca3d) ) // 5
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0040, "proms", 0 )
+ ROM_LOAD( "82s123.ic7", 0x0000, 0x0020, CRC(61b9c16c) SHA1(0ee72377831c21339360c376f7248861d476dc20) )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0020, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ROM_END
+
+ROM_START( mbeepc85s )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD("bas524a.rom", 0x8000, 0x2000, CRC(ec9c7a60) SHA1(a4021bcedc8da8c0eb0bda036a1d457619a175b0) )
+ ROM_LOAD("bas524b.rom", 0xa000, 0x2000, CRC(17d3eac7) SHA1(d40d376cc5e751d257d951909a34445e70506c7b) )
+
+ ROM_REGION(0x2000, "telcomrom", 0)
+ ROM_LOAD_OPTIONAL("telco321s.rom", 0x0000, 0x2000, CRC(00f8fde1) SHA1(eb881bbab90c85fd6e29540decd25e884c67f738) )
+
+ /* PAK roms - These are not optional and will only work in the correct slots. */
+ ROM_REGION(0x20000, "pakrom", ROMREGION_ERASEFF)
+ ROM_LOAD("wbee20-s.rom", 0x0000, 0x2000, CRC(6a0fe57f) SHA1(a101b588b1872e19382b9e9ea50fabb0fd060aa6) ) // 0
+ ROM_LOAD("db-s.rom", 0x2000, 0x2000, CRC(e2094771) SHA1(62d7fb66c91d2bd24523bc84e4f005cf2c4480bb) ) // 1
+ ROM_LOAD("kalk-s.rom", 0x4000, 0x2000, CRC(08dd71ee) SHA1(c9d506d8bb56f602c3481b253d4cac226f545d98) ) // 2
+ ROM_LOAD("bg-s.rom", 0x6000, 0x2000, CRC(5aa4813e) SHA1(a8638e9046bfb9d5a98c878322295ce408bd879d) ) // 3
+ ROM_LOAD("videotex-s.rom", 0x8000, 0x2000, CRC(67592b3f) SHA1(7f1d23ded34781ccda5f36b4a4fa118a8c0e44ec) ) // 4
+ ROM_LOAD("shell-s.rom", 0xa000, 0x2000, CRC(bdf1768f) SHA1(4385351d07288cf94947ac63131eeed98572caa1) ) // 5
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom-s.bin", 0x1000, 0x1000, CRC(1bcbf083) SHA1(6438649b8b5fc20dd772ec7195e69a5bbe016b09) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0040, "proms", 0 )
+ ROM_LOAD( "82s123.ic7", 0x0000, 0x0020, CRC(61b9c16c) SHA1(0ee72377831c21339360c376f7248861d476dc20) )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0020, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ROM_END
+
+ROM_START( mbeett )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF)
+ ROM_LOAD("kernel_106.rom", 0x8000, 0x2000, CRC(5ab9cb1d) SHA1(a1fb971622f85c4d866b91cb4bec6d75757e8c5f) )
+
+ ROM_REGION(0x2000, "telcomrom", 0)
+ ROM_LOAD("wm_106.rom", 0x0000, 0x2000, CRC(77e0b355) SHA1(1db6769cd6b12e1c335c83f17f8c139986c87758) )
+
+ ROM_REGION(0x20000, "pakrom", ROMREGION_ERASEFF)
+ ROM_LOAD("tv_470311.rom", 0x2000, 0x2000, CRC(2c4c2dcb) SHA1(77cd75166a389cb2d1d8abf00b1ddd077ce98354) ) // 1
+ ROM_CONTINUE( 0x12000, 0x2000 )
+ ROM_LOAD("tw_103.rom", 0x4000, 0x2000, CRC(881edb4b) SHA1(f6e30a12b1537bd55b69d1319799b150e80a471b) ) // 2
+ ROM_CONTINUE( 0x14000, 0x2000 )
+ ROM_LOAD("oside_107.rom", 0x6000, 0x2000, CRC(05d99aba) SHA1(4f88d63025f99bcc54d6f2abc20a699c97384f68) ) // 3
+ ROM_CONTINUE( 0x16000, 0x1000 )
+ ROM_LOAD("test_105.rom", 0x8000, 0x2000, CRC(b69aa618) SHA1(49de8cbad59f549c7ad9f8efc9beee0cfcd901fe) ) // 4
+
+ ROM_REGION(0x9800, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "attrib", ROMREGION_ERASE00 )
+ROM_END
+
+ROM_START( mbeeppc )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF )
+ ROM_LOAD("bas529b.rom", 0xa000, 0x2000, CRC(a1bd986b) SHA1(5d79f210c9042db5aefc85a0bdf45210cb9e9899) )
+
+ ROM_REGION(0x4000, "basicrom", 0)
+ ROM_LOAD("bas529a.rom", 0x0000, 0x4000, CRC(fe8242e1) SHA1(ff790edf4fcc7a134d451dbad7779157b07f6abf) )
+
+ ROM_REGION(0x2000, "telcomrom", 0)
+ ROM_LOAD_OPTIONAL("telco321.rom", 0x0000, 0x2000, CRC(36852a11) SHA1(c45b8d03629e86231c6b256a7435abd87d8872a4) )
+
+ /* PAK option roms - Wordbee must be in slot 0 and Shell must be in slot 5. */
+ ROM_REGION(0x20000, "pakrom", ROMREGION_ERASEFF)
+ ROM_LOAD("wbee13.rom", 0x0000, 0x2000, CRC(d7c58b7b) SHA1(5af1b8d21a0f21534ed1833ae919dbbc6ca973e2) ) // 0
+ ROM_LOAD_OPTIONAL("cmdhelp.rom", 0x2000, 0x2000, CRC(a4f1fa90) SHA1(1456abc6ed0501a3b15a99b4302750843293ae5f) ) // 1
+ ROM_LOAD_OPTIONAL("busy-p.rom", 0x4000, 0x2000, CRC(f2897427) SHA1(b4c351bdac72d89589980be6d654f9b931bcba6b) ) // 2
+ ROM_CONTINUE( 0x14000, 0x2000 )
+ ROM_LOAD_OPTIONAL("graphics.rom", 0x6000, 0x2000, CRC(9e9d327c) SHA1(aebf60ed153004380b9f271f2212376910a6cef9) ) // 3
+ ROM_CONTINUE( 0x16000, 0x2000 )
+ ROM_LOAD_OPTIONAL("vtex235.rom", 0x8000, 0x2000, CRC(8c30ecb2) SHA1(cf068462d7def885bdb5d3a265851b88c727c0d7) ) // 4
+ ROM_LOAD("ppcshell.rom", 0xa000, 0x2000, CRC(1e793555) SHA1(ddeaa081ec4408e80e3fb192865d87daa035c701) ) // 5
+
+ ROM_REGION(0x9800, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ ROM_REGION( 0x0800, "attrib", ROMREGION_ERASE00 )
+ROM_END
+
+ROM_START( mbee56 )
+ ROM_REGION(0x10000,"maincpu", ROMREGION_ERASEFF)
+ ROM_LOAD("56kb.rom", 0xe000, 0x1000, CRC(28211224) SHA1(b6056339402a6b2677b0e6c57bd9b78a62d20e4f) )
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0040, "proms", 0 )
+ ROM_LOAD( "82s123.ic7", 0x0000, 0x0020, CRC(61b9c16c) SHA1(0ee72377831c21339360c376f7248861d476dc20) )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0020, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ROM_END
+
+ROM_START( mbee128 ) // Standard 128k (CIAB is the same thing with half the ram)
+ ROM_REGION(0x20000, "rams", ROMREGION_ERASEFF)
+
+ ROM_REGION(0x8000, "roms", 0)
+ ROM_LOAD("bn54.bin", 0x0000, 0x2000, CRC(995c53db) SHA1(46e1a5cfd5795b8cf528bacf9dc79398ff7d64af) )
+
+ ROM_REGION(0x2000, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION(0x4000, "pals", 0) // undumped; using prom from 256tc for now
+ ROM_LOAD( "silver.u39", 0x0000, 0x4000, BAD_DUMP CRC(c34aab64) SHA1(781fe648488dec90185760f8e081e488b73b68bf) )
+
+ ROM_REGION( 0x0040, "proms", 0 )
+ ROM_LOAD( "82s123.ic7", 0x0000, 0x0020, CRC(61b9c16c) SHA1(0ee72377831c21339360c376f7248861d476dc20) )
+ ROM_LOAD_OPTIONAL( "82s123.ic16", 0x0020, 0x0020, CRC(4e779985) SHA1(cd2579cf65032c30b3fe7d6d07b89d4633687481) ) /* video switching prom, not needed for emulation purposes */
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ROM_END
+
+ROM_START( mbee128p ) // Premium 128K
+ ROM_REGION(0x20000, "rams", ROMREGION_ERASEFF)
+
+ ROM_REGION(0x8000, "roms", 0) // rom plus optional undumped roms plus dummy area
+ ROM_SYSTEM_BIOS( 0, "bn56", "bn56" )
+ ROMX_LOAD("bn56.rom", 0x0000, 0x2000, CRC(3f76769d) SHA1(cfae2069d739c26fe39f734d9f705a3c965d1e6f), ROM_BIOS(1) )
+ ROM_SYSTEM_BIOS( 1, "bn59", "Version 2.02" )
+ ROMX_LOAD("bn59.rom", 0x0000, 0x2000, CRC(97384116) SHA1(87f2c4ab1a1f2964ba4f2bb60e62dc9c163831ba), ROM_BIOS(2) )
+ ROM_SYSTEM_BIOS( 2, "bn60", "Version 2.03" )
+ ROMX_LOAD("bn60.rom", 0x0000, 0x2000, CRC(ed15d4ee) SHA1(3ea42b63d42b9a4c5402676dee8912ad1f906bda), ROM_BIOS(3) )
+ ROM_SYSTEM_BIOS( 3, "bn55", "bn55" )
+ ROMX_LOAD("bn55.rom", 0x0000, 0x2000, CRC(ca2c1073) SHA1(355d90d181de899cc7af892df96305fead9c81b4), ROM_BIOS(4) )
+ ROM_SYSTEM_BIOS( 4, "bn54", "bn54" )
+ ROMX_LOAD("bn54.rom", 0x0000, 0x2000, CRC(995c53db) SHA1(46e1a5cfd5795b8cf528bacf9dc79398ff7d64af), ROM_BIOS(5) )
+ ROM_SYSTEM_BIOS( 5, "hd18", "Hard Disk System" )
+ ROMX_LOAD("hd18.rom", 0x0000, 0x2000, CRC(ed53ace7) SHA1(534e2e00cc527197c76b3c106b3c9ff7f1328487), ROM_BIOS(6) )
+
+ ROM_REGION(0x4000, "pals", 0) // undumped; using prom from 256tc for now
+ ROM_LOAD( "silver.u39", 0x0000, 0x4000, BAD_DUMP CRC(c34aab64) SHA1(781fe648488dec90185760f8e081e488b73b68bf) )
+
+ ROM_REGION(0x9800, "gfx", 0)
+ ROM_LOAD("charrom.bin", 0x1000, 0x1000, CRC(1f9fcee4) SHA1(e57ac94e03638075dde68a0a8c834a4f84ba47b0) )
+ ROM_RELOAD( 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ ROM_REGION( 0x0800, "attrib", ROMREGION_ERASE00 )
+ROM_END
+
+ROM_START( mbee256 ) // 256tc
+ ROM_REGION(0x40000, "rams", ROMREGION_ERASEFF)
+
+ ROM_REGION(0x5000, "roms", 0) // rom plus dummy area
+ ROM_SYSTEM_BIOS( 0, "1.20", "Version 1.20" )
+ ROMX_LOAD("256tc_boot_1.20.u38", 0x0000, 0x4000, CRC(fe8d6a84) SHA1(a037a1b90b18a2180e9f5f216b829fcd480449a4), ROM_BIOS(1) )
+ ROM_SYSTEM_BIOS( 1, "1.15", "Version 1.15" )
+ ROMX_LOAD("256tc_boot_1.15.u38", 0x0000, 0x4000, CRC(1902062d) SHA1(e4a1c0b3f4996e313da0bac0edb6d34e3270723e), ROM_BIOS(2) )
+
+ ROM_REGION(0x4000, "pals", 0)
+ ROM_LOAD( "silver.u39", 0x0000, 0x4000, CRC(c34aab64) SHA1(781fe648488dec90185760f8e081e488b73b68bf) )
+
+ ROM_REGION(0x9800, "gfx", 0)
+ ROM_LOAD("char256.u53", 0x1000, 0x1000, CRC(9372af3c) SHA1(a63591822c0504de2fed52e88d64e1dbd6124b74) )
+ ROM_IGNORE( 0x1000 ) // throw away swedish characters for now
+ ROM_COPY( "gfx", 0x1000, 0x0000, 0x1000 )
+
+ ROM_REGION( 0x0800, "videoram", ROMREGION_ERASE00 )
+ ROM_REGION( 0x0800, "colorram", ROMREGION_ERASEVAL(2))
+ ROM_REGION( 0x0800, "attrib", ROMREGION_ERASE00 )
+ROM_END
+
+/***************************************************************************
+
+ Game driver(s)
+
+***************************************************************************/
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */
+COMP( 1982, mbee, 0, 0, mbee, mbee, mbee_state, mbee, "Applied Technology", "Microbee 16 Standard" , 0 )
+COMP( 1982, mbeeic, mbee, 0, mbeeic, mbee, mbee_state, mbeeic, "Applied Technology", "Microbee 32 IC" , 0 )
+COMP( 1982, mbeepc, mbee, 0, mbeepc, mbee, mbee_state, mbeepc, "Applied Technology", "Microbee Personal Communicator" , 0 )
+COMP( 1985, mbeepc85, mbee, 0, mbeepc, mbee, mbee_state, mbeepc85, "Applied Technology", "Microbee PC85" , 0 )
+COMP( 1985, mbeepc85b,mbee, 0, mbeepc, mbee, mbee_state, mbeepc85, "Applied Technology", "Microbee PC85 (New version)" , 0 )
+COMP( 1985, mbeepc85s,mbee, 0, mbeepc, mbee, mbee_state, mbeepc85, "Applied Technology", "Microbee PC85 (Swedish)" , 0 )
+COMP( 1986, mbeeppc, mbee, 0, mbeeppc, mbee, mbee_state, mbeeppc, "Applied Technology", "Microbee Premium PC85" , 0 )
+COMP( 1986, mbeett, mbee, 0, mbeett, mbee256, mbee_state, mbeett, "Applied Technology", "Microbee Teleterm" , MACHINE_NOT_WORKING )
+COMP( 1986, mbee56, mbee, 0, mbee56, mbee, mbee_state, mbee56, "Applied Technology", "Microbee 56k" , MACHINE_NOT_WORKING )
+COMP( 1986, mbee128, mbee, 0, mbee128, mbee128, mbee_state, mbee128, "Applied Technology", "Microbee 128k Standard" , MACHINE_NOT_WORKING )
+COMP( 1986, mbee128p, mbee, 0, mbee128p, mbee128, mbee_state, mbee128, "Applied Technology", "Microbee 128k Premium" , MACHINE_NOT_WORKING )
+COMP( 1987, mbee256, mbee, 0, mbee256, mbee256, mbee_state, mbee256, "Applied Technology", "Microbee 256TC" , MACHINE_NOT_WORKING )