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-rw-r--r--src/mame/drivers/bbc.c1998
1 files changed, 1998 insertions, 0 deletions
diff --git a/src/mame/drivers/bbc.c b/src/mame/drivers/bbc.c
new file mode 100644
index 00000000000..d60964282ab
--- /dev/null
+++ b/src/mame/drivers/bbc.c
@@ -0,0 +1,1998 @@
+// license:BSD-3-Clause
+// copyright-holders:Gordon Jefferyes, Nigel Barnes
+/******************************************************************************
+ BBC Model A,B
+
+ ANA01 - Model A
+ ANA02 - Model A with Econet interface
+
+ ANB01 - Model B
+ ANB02 - Model B with Econet interface
+ ANB03 - Model B with Disc interface
+ ANB04 - Model B with Disc and Econet interfaces
+
+ GNB14 - Model B with Disc, Econet & Speech (German model)
+ UNB09 - Model B with Disc, Econet & Speech (US model)
+
+ BBC Model B+
+
+ ANB51 - BBC Model B+ 64K
+ ANB52 - BBC Model B+ 64K with Econet
+ ANB53 - BBC Model B+ 64K with Disc interface
+ ANB54 - BBC Model B+ 64K with Disc and Econet interfaces
+ ANB55 - BBC Model B+ 128K with Disc interface
+
+ BBC Master
+
+ AMB15 - Master 128
+ ADB12 - Master Econet Terminal
+ AVC12 - Master AIV
+ ARM1 - ARM Evaluation System
+ ADB20 - Master Compact
+
+
+ MESS Driver By:
+
+ Gordon Jefferyes
+ mess_bbc@romvault.com
+ Nigel Barnes
+ ngbarnes@hotmail.com
+
+******************************************************************************/
+
+/* Core includes */
+#include "emu.h"
+
+/* Components */
+#include "bus/rs232/rs232.h"
+#include "cpu/m6502/m6502.h"
+#include "cpu/m6502/m65sc02.h"
+#include "machine/6522via.h"
+#include "bus/centronics/ctronics.h"
+#include "bus/econet/econet.h"
+#include "sound/tms5220.h" /* Speech */
+#include "video/saa5050.h" /* Teletext */
+#include "bbc.lh"
+
+/* Devices */
+#include "imagedev/flopdrv.h"
+#include "formats/bbc_dsk.h"
+#include "imagedev/cassette.h"
+#include "formats/uef_cas.h"
+#include "formats/csw_cas.h"
+#include "includes/bbc.h"
+
+
+/******************************************************************************
+A = BBC Model A
+B = BBC Model B
+B+ = BBC Model B+
+M = BBC Master
+
+ A B B+ M
++ &0000 + + + +
+| | | | |
+| &1000 | | | |
+|1 | | |1 |1
+| &2000 |1 | | |
+| | | | |
++ &3000 | | + +
+|2 | | | |
++ &4000 + |1 | |
+| | | | |
+| &5000 | | | |
+| | | |2 |2
+|3 &6000 |3 | | |
+| | | | |
+| &7000 | | | |
+| | | | |
++ &8000 + + + +
+|4 | | | |4
++ &9000 | | | +
+| | | |4 |
+|5 &A000 |4 |4 | |5
+| | | | |
++ &B000 | | + |
+|6 | | |6 |
++ &C000 + + + +
+| | | | |7
+|7 &D000 | | | |
+| | | | |
++ &E000 |7 |7 |7 +
+| | | | |
+|8 &F000 | | | |8
+| | | | |
++ &FC00 FRED + + + +
+ &FD00 JIM + + + +
+ &FE00 SHEILA + + + +
++ &FF00 + + + +
+|9 |9 |9 |9 |9
++ &FFFF + + + +
+
+
+
+&00-&07 6845 CRTC Video controller 8 ( 2 bytes x 4 ) 1MHz
+&08-&0F 6850 ACIA Serial controller 8 ( 2 bytes x 4 ) 1MHz
+&10-&17 Serial ULA Serial system chip 8 ( 1 byte x 8 ) 1MHz
+&18-&1f INTOFF/STATID ECONET Interrupt Off / ID No. 8 ( 1 byte x 8 ) 1MHz
+write:
+&20-&2F Video ULA Video system chip 16 ( 2 bytes x 8 ) 2MHz
+&30-&3F 74LS161 Paged ROM selector 16 ( 1 byte x 16 ) 2MHz
+read:
+&20-&2F INTON ECONET Interrupt On 16 ( 1 bytes x 16 ) 2MHz
+&30-&3F Not Connected Not Connected 2MHz
+
+&40-&5F 6522 VIA SYSTEM VIA 32 (16 bytes x 2 ) 1MHz
+&60-&7F 6522 VIA USER VIA 32 (16 bytes x 2 ) 1MHz
+&80-&9F 8271 FDC FDC Floppy disc controller 32 ( 8 bytes x 4 ) 2MHz
+&A0-&BF 68B54 ADLC ECONET controller 32 ( 4 bytes x 8 ) 2MHz
+&C0-&DF uPD7002 Analogue to digital converter 32 ( 4 bytes x 8 ) 1MHz
+&E0-&FF Tube ULA Tube system interface 32 (32 bytes x 1 ) 2MHz
+******************************************************************************/
+
+READ8_MEMBER(bbc_state::bbc_fe_r)
+{
+ return 0xfe;
+}
+
+static ADDRESS_MAP_START( bbca_mem, AS_PROGRAM, 8, bbc_state )
+ ADDRESS_MAP_UNMAP_HIGH /* Hardware marked with a # is not present in a Model A */
+
+ AM_RANGE(0x0000, 0x3fff) AM_READ_BANK("bank1") AM_WRITE(bbc_memorya1_w) /* 0000-3fff Regular Ram */
+ AM_RANGE(0x4000, 0x7fff) AM_READ_BANK("bank3") AM_WRITE(bbc_memoryb3_w) /* 4000-7fff Repeat of the Regular Ram */
+ AM_RANGE(0x8000, 0xbfff) AM_READ_BANK("bank4") AM_WRITE(bbc_memoryb4_w) /* 8000-bfff Paged ROM */
+ AM_RANGE(0xc000, 0xfbff) AM_READ_BANK("bank7") /* c000-fbff OS ROM */
+ AM_RANGE(0xfc00, 0xfdff) AM_NOP /* fc00-fdff FRED & JIM Pages */
+ /* fe00-feff SHEILA Address Page */
+ AM_RANGE(0xfe00, 0xfe00) AM_MIRROR(0x06) AM_DEVREADWRITE("mc6845", mc6845_device, status_r, address_w) /* fe00-fe07 6845 CRTC Video controller */
+ AM_RANGE(0xfe01, 0xfe01) AM_MIRROR(0x06) AM_DEVREADWRITE("mc6845", mc6845_device, register_r, register_w)
+ AM_RANGE(0xfe08, 0xfe08) AM_MIRROR(0x06) AM_DEVREADWRITE("acia6850", acia6850_device, status_r, control_w) /* fe08-fe0F 6850 ACIA Serial controller */
+ AM_RANGE(0xfe09, 0xfe09) AM_MIRROR(0x06) AM_DEVREADWRITE("acia6850", acia6850_device, data_r, data_w)
+ AM_RANGE(0xfe10, 0xfe17) AM_READWRITE(bbc_fe_r, bbc_SerialULA_w) /* fe10-fe17 Serial ULA Serial system chip */
+ AM_RANGE(0xfe18, 0xfe1f) AM_NOP /* fe18-fe1f INTOFF/STATID # ECONET Interrupt Off / ID No. */
+ AM_RANGE(0xfe20, 0xfe2f) AM_WRITE(bbc_videoULA_w) /* R: fe20-fe2f INTON # ECONET Interrupt On */
+ /* W: fe20-fe2f Video ULA Video system chip */
+ AM_RANGE(0xfe30, 0xfe3f) AM_READWRITE(bbc_fe_r, bbc_page_selecta_w) /* R: fe30-fe3f NC Not Connected */
+ /* W: fe30-fe3f 84LS161 Paged ROM selector */
+ AM_RANGE(0xfe40, 0xfe5f) AM_DEVREADWRITE("via6522_0", via6522_device, read, write) /* fe40-fe5f 6522 VIA SYSTEM VIA */
+ AM_RANGE(0xfe60, 0xfe7f) AM_NOP /* fe60-fe7f 6522 VIA # USER VIA */
+ AM_RANGE(0xfe80, 0xfe9f) AM_NOP /* fe80-fe9f 8271/1770 FDC # Floppy disc controller */
+ AM_RANGE(0xfea0, 0xfebf) AM_READ(bbc_fe_r) /* fea0-febf 68B54 ADLC # ECONET controller */
+ AM_RANGE(0xfec0, 0xfedf) AM_NOP /* fec0-fedf uPD7002 # Analogue to digital converter */
+ AM_RANGE(0xfee0, 0xfeff) AM_READ(bbc_fe_r) /* fee0-feff Tube ULA # Tube system interface */
+ AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00) /* ff00-ffff OS Rom (continued) */
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( bbc_base, AS_PROGRAM, 8, bbc_state )
+ ADDRESS_MAP_UNMAP_HIGH
+
+ AM_RANGE(0xc000, 0xfbff) AM_READ_BANK("bank7") /* c000-fbff OS ROM */
+ AM_RANGE(0xfc00, 0xfdff) AM_NOP /* fc00-fdff FRED & JIM Pages */
+ /* fe00-feff SHEILA Address Page */
+ AM_RANGE(0xfe00, 0xfe00) AM_MIRROR(0x06) AM_DEVREADWRITE("mc6845", mc6845_device, status_r, address_w) /* fe00-fe07 6845 CRTC Video controller */
+ AM_RANGE(0xfe01, 0xfe01) AM_MIRROR(0x06) AM_DEVREADWRITE("mc6845", mc6845_device, register_r, register_w)
+ AM_RANGE(0xfe08, 0xfe08) AM_MIRROR(0x06) AM_DEVREADWRITE("acia6850", acia6850_device, status_r, control_w) /* fe08-fe0F 6850 ACIA Serial controller */
+ AM_RANGE(0xfe09, 0xfe09) AM_MIRROR(0x06) AM_DEVREADWRITE("acia6850", acia6850_device, data_r, data_w)
+ AM_RANGE(0xfe10, 0xfe17) AM_READWRITE(bbc_fe_r, bbc_SerialULA_w) /* fe10-fe17 Serial ULA Serial system chip */
+ AM_RANGE(0xfe18, 0xfe1f) AM_READ_PORT("S11") /* fe18-fe1f INTOFF/STATID ECONET Interrupt Off / ID No. */
+ AM_RANGE(0xfe20, 0xfe2f) AM_WRITE(bbc_videoULA_w) /* R: fe20-fe2f INTON ECONET Interrupt On */
+ /* W: fe20-fe2f Video ULA Video system chip */
+ AM_RANGE(0xfe40, 0xfe5f) AM_DEVREADWRITE("via6522_0", via6522_device, read, write) /* fe40-fe5f 6522 VIA SYSTEM VIA */
+ AM_RANGE(0xfe60, 0xfe7f) AM_DEVREADWRITE("via6522_1", via6522_device, read, write) /* fe60-fe7f 6522 VIA USER VIA */
+ /* fe80-fe9f FDC Floppy disc controller */
+ AM_RANGE(0xfea0, 0xfebf) AM_READ(bbc_fe_r) /* fea0-febf 68B54 ADLC ECONET controller */
+ AM_RANGE(0xfec0, 0xfedf) AM_DEVREADWRITE("upd7002", upd7002_device, read, write) /* fec0-fedf uPD7002 Analogue to digital converter */
+ AM_RANGE(0xfee0, 0xfeff) AM_READ(bbc_fe_r) /* fee0-feff Tube ULA Tube system interface */
+ AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00) /* ff00-ffff OS ROM (continued) */
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( bbcb_mem, AS_PROGRAM, 8, bbc_state )
+ AM_RANGE(0x0000, 0x3fff) AM_READ_BANK("bank1") AM_WRITE(bbc_memorya1_w) /* 0000-3fff Regular Ram */
+ AM_RANGE(0x4000, 0x7fff) AM_READ_BANK("bank3") AM_WRITE(bbc_memoryb3_w) /* 4000-7fff Regular Ram */
+ AM_RANGE(0x8000, 0xbfff) AM_READ_BANK("bank4") AM_WRITE(bbc_memoryb4_w) /* 8000-bfff Paged ROM */
+ AM_RANGE(0xfe30, 0xfe3f) AM_READWRITE(bbc_fe_r, bbc_page_selectb_w) /* R: fe30-fe3f NC Not Connected */
+ /* W: fe30-fe3f 84LS161 Paged ROM selector */
+ AM_RANGE(0xfe80, 0xfe83) AM_DEVICE("i8271" , i8271_device, map) /* fe80-fe9f 8271 FDC Floppy disc controller */
+ AM_RANGE(0xfe84, 0xfe9f) AM_DEVREADWRITE("i8271", i8271_device, data_r, data_w) /* fe80-fe9f 8271 FDC Floppy disc controller */
+ AM_IMPORT_FROM(bbc_base)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START(bbcb1770_mem, AS_PROGRAM, 8, bbc_state)
+ AM_RANGE(0x0000, 0x3fff) AM_READ_BANK("bank1") AM_WRITE(bbc_memorya1_w) /* 0000-3fff Regular Ram */
+ AM_RANGE(0x4000, 0x7fff) AM_READ_BANK("bank3") AM_WRITE(bbc_memoryb3_w) /* 4000-7fff Regular Ram */
+ AM_RANGE(0x8000, 0xbfff) AM_READ_BANK("bank4") AM_WRITE(bbc_memoryb4_w) /* 8000-bfff Paged ROM */
+ AM_RANGE(0xfe30, 0xfe3f) AM_READWRITE(bbc_fe_r, bbc_page_selectb_w) /* R: fe30-fe3f NC Not Connected */
+ /* W: fe30-fe3f 84LS161 Paged ROM selector */
+ AM_RANGE(0xfe80, 0xfe83) AM_WRITE(bbc_wd1770_status_w) /* fe80-fe83 1770 FDC Drive control register */
+ AM_RANGE(0xfe84, 0xfe9f) AM_DEVREADWRITE("wd1770", wd1770_t, read, write) /* fe84-fe9f 1770 FDC Floppy disc controller */
+ AM_IMPORT_FROM(bbc_base)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( bbcbp_mem, AS_PROGRAM, 8, bbc_state )
+ AM_RANGE(0x0000, 0x2fff) AM_READ_BANK("bank1") AM_WRITE(bbc_memorybp1_w) /* 0000-2fff Regular Ram */
+ AM_RANGE(0x3000, 0x7fff) AM_READ_BANK("bank2") AM_WRITE(bbc_memorybp2_w) /* 3000-7fff Video/Shadow Ram */
+ AM_RANGE(0x8000, 0xafff) AM_READ_BANK("bank4") AM_WRITE(bbc_memorybp4_w) /* 8000-afff Paged ROM or 12K of SWRAM */
+ AM_RANGE(0xb000, 0xbfff) AM_READ_BANK("bank6") /* b000-bfff Rest of paged ROM area */
+ AM_RANGE(0xfe30, 0xfe3f) AM_READWRITE(bbc_fe_r, bbc_page_selectbp_w) /* R: fe30-fe3f NC Not Connected */
+ /* W: fe30-fe3f 84LS161 Paged ROM selector */
+ AM_RANGE(0xfe80, 0xfe83) AM_WRITE(bbc_wd1770_status_w) /* fe80-fe83 1770 FDC Drive control register */
+ AM_RANGE(0xfe84, 0xfe9f) AM_DEVREADWRITE("wd1770", wd1770_t, read, write) /* fe84-fe9f 1770 FDC Floppy disc controller */
+ AM_IMPORT_FROM(bbc_base)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( bbcbp128_mem, AS_PROGRAM, 8, bbc_state )
+ AM_RANGE(0x0000, 0x2fff) AM_READ_BANK("bank1") AM_WRITE(bbc_memorybp1_w) /* 0000-2fff Regular Ram */
+ AM_RANGE(0x3000, 0x7fff) AM_READ_BANK("bank2") AM_WRITE(bbc_memorybp2_w) /* 3000-7fff Video/Shadow Ram */
+ AM_RANGE(0x8000, 0xafff) AM_READ_BANK("bank4") AM_WRITE(bbc_memorybp4_128_w) /* 8000-afff Paged ROM or 12K of SWRAM */
+ AM_RANGE(0xb000, 0xbfff) AM_READ_BANK("bank6") AM_WRITE(bbc_memorybp6_128_w) /* b000-bfff Rest of paged ROM area */
+ AM_RANGE(0xfe30, 0xfe3f) AM_READWRITE(bbc_fe_r, bbc_page_selectbp_w) /* R: fe30-fe3f NC Not Connected */
+ /* W: fe30-fe3f 84LS161 Paged ROM selector */
+ AM_RANGE(0xfe80, 0xfe83) AM_WRITE(bbc_wd1770_status_w) /* fe80-fe83 1770 FDC Drive control register */
+ AM_RANGE(0xfe84, 0xfe9f) AM_DEVREADWRITE("wd1770", wd1770_t, read, write) /* fe84-fe9f 1770 FDC Floppy disc controller */
+ AM_IMPORT_FROM(bbc_base)
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START( reutapm_mem, AS_PROGRAM, 8, bbc_state )
+ AM_RANGE(0x0000, 0x2fff) AM_READ_BANK("bank1") AM_WRITE(bbc_memorybp1_w) /* 0000-2fff Regular Ram */
+ AM_RANGE(0x3000, 0x7fff) AM_READ_BANK("bank2") AM_WRITE(bbc_memorybp2_w) /* 3000-7fff Video/Shadow Ram */
+ AM_RANGE(0x8000, 0xafff) AM_READ_BANK("bank4") AM_WRITE(bbc_memorybp4_w) /* 8000-afff Paged ROM or 12K of SWRAM */
+ AM_RANGE(0xb000, 0xbfff) AM_READ_BANK("bank6") /* b000-bfff Rest of paged ROM area */
+ AM_RANGE(0xfe30, 0xfe3f) AM_READWRITE(bbc_fe_r, bbc_page_selectbp_w) /* R: fe30-fe3f NC Not Connected */
+ /* W: fe30-fe3f 84LS161 Paged ROM selector */
+ AM_RANGE(0xfe80, 0xfe83) AM_NOP /* fe80-fe83 1770 FDC Drive control register */
+ AM_RANGE(0xfe84, 0xfe9f) AM_NOP /* fe84-fe9f 1770 FDC Floppy disc controller */
+ AM_IMPORT_FROM(bbc_base)
+ADDRESS_MAP_END
+
+/******************************************************************************
+&FC00-&FCFF FRED
+&FD00-&FDFF JIM
+&FE00-&FEFF SHEILA Read Write
+&00-&07 6845 CRTC Video controller Video Controller 8 ( 2 bytes x 4 )
+&08-&0F 6850 ACIA Serial controller Serial Controller 8 ( 2 bytes x 4 )
+&10-&17 Serial ULA - Serial system chip 8 ( 1 byte x 8 )
+&18-&1F uPD7002 A to D converter A to D converter 8 ( 4 bytes x 2 )
+
+&20-&23 Video ULA - Video system chip 4 ( 2 bytes x 2 )
+&24-&27 FDC Latch 1770 Control latch 1770 Control latch 4 ( 1 byte x 4 )
+&28-&2F 1770 registers 1770 Disc Controller 1770 Disc Controller 8 ( 4 bytes x 2 )
+&30-&33 ROMSEL - ROM Select 4 ( 1 byte x 4 )
+&34-&37 ACCCON ACCCON select reg. ACCCON select reg 4 ( 1 byte x 4 )
+&38-&3F NC - -
+&40-&5F 6522 VIA SYSTEM VIA SYSTEM VIA 32 (16 bytes x 2 ) 1MHz
+&60-&7F 6522 VIA USER VIA USER VIA 32 (16 bytes x 2 ) 1MHz
+&80-&9F Int. Modem Int. Modem Int Modem
+&A0-&BF 68B54 ADLC ECONET controller ECONET controller 32 ( 4 bytes x 8 ) 2MHz
+&C0-&DF NC - -
+&E0-&FF Tube ULA Tube system interface Tube system interface 32 (32 bytes x 1 ) 2MHz
+******************************************************************************/
+
+
+static ADDRESS_MAP_START(bbcm_mem, AS_PROGRAM, 8, bbc_state )
+ AM_RANGE(0x0000, 0x2fff) AM_READ_BANK("bank1") AM_WRITE(bbc_memorybm1_w) /* 0000-2fff Regular Ram */
+ AM_RANGE(0x3000, 0x7fff) AM_READ_BANK("bank2") AM_WRITE(bbc_memorybm2_w) /* 3000-7fff Video/Shadow Ram */
+ AM_RANGE(0x8000, 0x8fff) AM_READ_BANK("bank4") AM_WRITE(bbc_memorybm4_w) /* 8000-8fff Paged ROM/RAM or 4K of RAM ANDY */
+ AM_RANGE(0x9000, 0xbfff) AM_READ_BANK("bank5") AM_WRITE(bbc_memorybm5_w) /* 9000-bfff Rest of paged ROM/RAM area */
+ AM_RANGE(0xc000, 0xdfff) AM_READ_BANK("bank7") AM_WRITE(bbc_memorybm7_w) /* c000-dfff OS ROM or 8K of RAM HAZEL */
+ AM_RANGE(0xe000, 0xfbff) AM_ROM AM_REGION("os", 0x2000) /* e000-fbff OS ROM */
+ AM_RANGE(0xfc00, 0xfeff) AM_READ_BANK("bank8") AM_WRITE(bbcm_w) /* processed directly because it can be ROM or hardware */
+ AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00) /* ff00-ffff OS ROM (continued) */
+ADDRESS_MAP_END
+
+
+static const rgb_t bbc_palette[8]=
+{
+ rgb_t(0x0ff,0x0ff,0x0ff),
+ rgb_t(0x000,0x0ff,0x0ff),
+ rgb_t(0x0ff,0x000,0x0ff),
+ rgb_t(0x000,0x000,0x0ff),
+ rgb_t(0x0ff,0x0ff,0x000),
+ rgb_t(0x000,0x0ff,0x000),
+ rgb_t(0x0ff,0x000,0x000),
+ rgb_t(0x000,0x000,0x000)
+};
+
+PALETTE_INIT_MEMBER(bbc_state, bbc)
+{
+ palette.set_pen_colors(0, bbc_palette, ARRAY_LENGTH(bbc_palette));
+}
+
+
+INPUT_CHANGED_MEMBER(bbc_state::trigger_reset)
+{
+ m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? CLEAR_LINE : ASSERT_LINE);
+}
+
+
+/* Port Key description Emulated key Natural key Shift 1 Shift 2 (Ctrl) */
+
+static INPUT_PORTS_START(bbc_keyboard)
+ PORT_START("COL0")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F0") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CAPSLOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFTLOCK") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT))
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESCAPE") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+
+ PORT_START("COL1")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 \"") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2))
+
+ PORT_START("COL2")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3))
+
+ PORT_START("COL3")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4))
+
+ PORT_START("COL4")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 \\") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6))
+
+ PORT_START("COL5")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7))
+
+ PORT_START("COL6")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F7") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F8") PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9))
+
+ PORT_START("COL7")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('@')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F9") PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10))
+
+ PORT_START("COL8")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^ ~") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^') PORT_CHAR('~')
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("_ \xC2\xA3") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('_') PORT_CHAR('\xA3')
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[ {") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*')
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("] }") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\\') PORT_CHAR('|')
+
+ PORT_START("COL9")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEFT") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DOWN") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("UP") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DELETE") PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("COPY") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END))
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+
+ PORT_START("BRK")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12)) PORT_CHANGED_MEMBER(DEVICE_SELF, bbc_state, trigger_reset, 0)
+
+ /* Keyboard columns 10 -> 12 are reserved for BBC Master */
+ PORT_START("COL10")
+ PORT_START("COL11")
+ PORT_START("COL12")
+
+ PORT_START("IN0")
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START(bbc_keypad)
+ PORT_MODIFY("COL10")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 8") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad +") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad /") PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD))
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad #") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK))
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 4") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
+
+ PORT_MODIFY("COL11")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad -") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad DELETE") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad *") PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK))
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
+
+ PORT_MODIFY("COL12")
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad RETURN") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad .") PORT_CODE(KEYCODE_STOP) PORT_CHAR(UCHAR_MAMEKEY(STOP))
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad ,") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(UCHAR_MAMEKEY(COMMA))
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
+ PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 2") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START(bbc_dipswitch)
+ PORT_MODIFY("COL2")
+ PORT_DIPNAME(0x01, 0x01, "Default File System") PORT_DIPLOCATION("KBD:1")
+ PORT_DIPSETTING( 0x00, "NFS" )
+ PORT_DIPSETTING( 0x01, "DFS" )
+
+ PORT_MODIFY("COL3")
+ PORT_DIPNAME(0x01, 0x01, "Not Used") PORT_DIPLOCATION("KBD:2")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x01, DEF_STR( On ))
+
+ PORT_MODIFY("COL4")
+ PORT_DIPNAME(0x01, 0x01, "Disc Timings") PORT_DIPLOCATION("KBD:3")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x01, DEF_STR( On ))
+
+ PORT_MODIFY("COL5")
+ PORT_DIPNAME(0x01, 0x01, "Disc Timings") PORT_DIPLOCATION("KBD:4")
+ PORT_DIPSETTING( 0x00, DEF_STR( Off ))
+ PORT_DIPSETTING( 0x01, DEF_STR( On ))
+
+ PORT_MODIFY("COL6")
+ PORT_DIPNAME(0x01, 0x01, "Boot") PORT_DIPLOCATION("KBD:5")
+ PORT_DIPSETTING( 0x00, "SHIFT" )
+ PORT_DIPSETTING( 0x01, "SHIFT-BREAK" )
+
+ PORT_MODIFY("COL7")
+ PORT_DIPNAME(0x01, 0x01, "Screen Mode") PORT_DIPLOCATION("KBD:6")
+ PORT_DIPSETTING( 0x00, "+0" )
+ PORT_DIPSETTING( 0x01, "+4" )
+
+ PORT_MODIFY("COL8")
+ PORT_DIPNAME(0x01, 0x01, "Screen Mode") PORT_DIPLOCATION("KBD:7")
+ PORT_DIPSETTING( 0x00, "+0" )
+ PORT_DIPSETTING( 0x01, "+2" )
+
+ PORT_MODIFY("COL9")
+ PORT_DIPNAME(0x01, 0x01, "Screen Mode") PORT_DIPLOCATION("KBD:8")
+ PORT_DIPSETTING( 0x00, "+0" )
+ PORT_DIPSETTING( 0x01, "+1" )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START(bbc_links)
+ PORT_START("S11")
+ PORT_DIPNAME(0xff, 0xfe, "Econet ID") PORT_DIPLOCATION("S11:1,2,3,4,5,6,7,8")
+ PORT_DIPSETTING( 0x00, "0" ) PORT_DIPSETTING( 0x01, "1" ) PORT_DIPSETTING( 0x02, "2" ) PORT_DIPSETTING( 0x03, "3" ) PORT_DIPSETTING( 0x04, "4" )
+ PORT_DIPSETTING( 0x05, "5" ) PORT_DIPSETTING( 0x06, "6" ) PORT_DIPSETTING( 0x07, "7" ) PORT_DIPSETTING( 0x08, "8" ) PORT_DIPSETTING( 0x09, "9" )
+ PORT_DIPSETTING( 0x0a, "10" ) PORT_DIPSETTING( 0x0b, "11" ) PORT_DIPSETTING( 0x0c, "12" ) PORT_DIPSETTING( 0x0d, "13" ) PORT_DIPSETTING( 0x0e, "14" )
+ PORT_DIPSETTING( 0x0f, "15" ) PORT_DIPSETTING( 0x10, "16" ) PORT_DIPSETTING( 0x11, "17" ) PORT_DIPSETTING( 0x12, "18" ) PORT_DIPSETTING( 0x13, "19" )
+ PORT_DIPSETTING( 0x14, "20" ) PORT_DIPSETTING( 0x15, "21" ) PORT_DIPSETTING( 0x16, "22" ) PORT_DIPSETTING( 0x17, "23" ) PORT_DIPSETTING( 0x18, "24" )
+ PORT_DIPSETTING( 0x19, "25" ) PORT_DIPSETTING( 0x1a, "26" ) PORT_DIPSETTING( 0x1b, "27" ) PORT_DIPSETTING( 0x1c, "28" ) PORT_DIPSETTING( 0x1d, "29" )
+ PORT_DIPSETTING( 0x1e, "30" ) PORT_DIPSETTING( 0x1f, "31" ) PORT_DIPSETTING( 0x20, "32" ) PORT_DIPSETTING( 0x21, "33" ) PORT_DIPSETTING( 0x22, "34" )
+ PORT_DIPSETTING( 0x23, "35" ) PORT_DIPSETTING( 0x24, "36" ) PORT_DIPSETTING( 0x25, "37" ) PORT_DIPSETTING( 0x26, "38" ) PORT_DIPSETTING( 0x27, "39" )
+ PORT_DIPSETTING( 0x28, "40" ) PORT_DIPSETTING( 0x29, "41" ) PORT_DIPSETTING( 0x2a, "42" ) PORT_DIPSETTING( 0x2b, "43" ) PORT_DIPSETTING( 0x2c, "44" )
+ PORT_DIPSETTING( 0x2d, "45" ) PORT_DIPSETTING( 0x2e, "46" ) PORT_DIPSETTING( 0x2f, "47" ) PORT_DIPSETTING( 0x30, "48" ) PORT_DIPSETTING( 0x31, "49" )
+ PORT_DIPSETTING( 0x32, "50" ) PORT_DIPSETTING( 0x33, "51" ) PORT_DIPSETTING( 0x34, "52" ) PORT_DIPSETTING( 0x35, "53" ) PORT_DIPSETTING( 0x36, "54" )
+ PORT_DIPSETTING( 0x37, "15" ) PORT_DIPSETTING( 0x38, "56" ) PORT_DIPSETTING( 0x39, "57" ) PORT_DIPSETTING( 0x3a, "58" ) PORT_DIPSETTING( 0x3b, "59" )
+ PORT_DIPSETTING( 0x3c, "60" ) PORT_DIPSETTING( 0x3d, "61" ) PORT_DIPSETTING( 0x3e, "62" ) PORT_DIPSETTING( 0x3f, "63" ) PORT_DIPSETTING( 0x40, "64" )
+ PORT_DIPSETTING( 0x41, "65" ) PORT_DIPSETTING( 0x42, "66" ) PORT_DIPSETTING( 0x43, "67" ) PORT_DIPSETTING( 0x44, "68" ) PORT_DIPSETTING( 0x45, "69" )
+ PORT_DIPSETTING( 0x46, "70" ) PORT_DIPSETTING( 0x47, "71" ) PORT_DIPSETTING( 0x48, "72" ) PORT_DIPSETTING( 0x49, "73" ) PORT_DIPSETTING( 0x4a, "74" )
+ PORT_DIPSETTING( 0x4b, "75" ) PORT_DIPSETTING( 0x4c, "76" ) PORT_DIPSETTING( 0x4d, "77" ) PORT_DIPSETTING( 0x4e, "78" ) PORT_DIPSETTING( 0x4f, "79" )
+ PORT_DIPSETTING( 0x50, "80" ) PORT_DIPSETTING( 0x51, "81" ) PORT_DIPSETTING( 0x52, "82" ) PORT_DIPSETTING( 0x53, "83" ) PORT_DIPSETTING( 0x54, "84" )
+ PORT_DIPSETTING( 0x55, "85" ) PORT_DIPSETTING( 0x56, "86" ) PORT_DIPSETTING( 0x57, "87" ) PORT_DIPSETTING( 0x58, "88" ) PORT_DIPSETTING( 0x59, "89" )
+ PORT_DIPSETTING( 0x5a, "90" ) PORT_DIPSETTING( 0x5b, "91" ) PORT_DIPSETTING( 0x5c, "92" ) PORT_DIPSETTING( 0x5d, "93" ) PORT_DIPSETTING( 0x5e, "94" )
+ PORT_DIPSETTING( 0x5f, "95" ) PORT_DIPSETTING( 0x60, "96" ) PORT_DIPSETTING( 0x61, "97" ) PORT_DIPSETTING( 0x62, "98" ) PORT_DIPSETTING( 0x63, "99" )
+ PORT_DIPSETTING( 0x64, "100" ) PORT_DIPSETTING( 0x65, "101" ) PORT_DIPSETTING( 0x66, "102" ) PORT_DIPSETTING( 0x67, "103" ) PORT_DIPSETTING( 0x68, "104" )
+ PORT_DIPSETTING( 0x69, "105" ) PORT_DIPSETTING( 0x6a, "106" ) PORT_DIPSETTING( 0x6b, "107" ) PORT_DIPSETTING( 0x6c, "108" ) PORT_DIPSETTING( 0x6d, "109" )
+ PORT_DIPSETTING( 0x6e, "110" ) PORT_DIPSETTING( 0x6f, "111" ) PORT_DIPSETTING( 0x70, "112" ) PORT_DIPSETTING( 0x71, "113" ) PORT_DIPSETTING( 0x72, "114" )
+ PORT_DIPSETTING( 0x73, "115" ) PORT_DIPSETTING( 0x74, "116" ) PORT_DIPSETTING( 0x75, "117" ) PORT_DIPSETTING( 0x76, "118" ) PORT_DIPSETTING( 0x77, "119" )
+ PORT_DIPSETTING( 0x78, "120" ) PORT_DIPSETTING( 0x79, "121" ) PORT_DIPSETTING( 0x7a, "122" ) PORT_DIPSETTING( 0x7b, "123" ) PORT_DIPSETTING( 0x7c, "124" )
+ PORT_DIPSETTING( 0x7d, "125" ) PORT_DIPSETTING( 0x7e, "126" ) PORT_DIPSETTING( 0x7f, "127" ) PORT_DIPSETTING( 0x80, "128" ) PORT_DIPSETTING( 0x81, "129" )
+ PORT_DIPSETTING( 0x82, "130" ) PORT_DIPSETTING( 0x83, "131" ) PORT_DIPSETTING( 0x84, "132" ) PORT_DIPSETTING( 0x85, "133" ) PORT_DIPSETTING( 0x86, "134" )
+ PORT_DIPSETTING( 0x87, "135" ) PORT_DIPSETTING( 0x88, "136" ) PORT_DIPSETTING( 0x89, "137" ) PORT_DIPSETTING( 0x8a, "138" ) PORT_DIPSETTING( 0x8b, "139" )
+ PORT_DIPSETTING( 0x8c, "140" ) PORT_DIPSETTING( 0x8d, "141" ) PORT_DIPSETTING( 0x8e, "142" ) PORT_DIPSETTING( 0x8f, "143" ) PORT_DIPSETTING( 0x90, "144" )
+ PORT_DIPSETTING( 0x91, "145" ) PORT_DIPSETTING( 0x92, "146" ) PORT_DIPSETTING( 0x93, "147" ) PORT_DIPSETTING( 0x94, "148" ) PORT_DIPSETTING( 0x95, "149" )
+ PORT_DIPSETTING( 0x96, "150" ) PORT_DIPSETTING( 0x97, "151" ) PORT_DIPSETTING( 0x98, "152" ) PORT_DIPSETTING( 0x99, "153" ) PORT_DIPSETTING( 0x9a, "154" )
+ PORT_DIPSETTING( 0x9b, "155" ) PORT_DIPSETTING( 0x9c, "156" ) PORT_DIPSETTING( 0x9d, "157" ) PORT_DIPSETTING( 0x9e, "158" ) PORT_DIPSETTING( 0x9f, "159" )
+ PORT_DIPSETTING( 0xa0, "160" ) PORT_DIPSETTING( 0xa1, "161" ) PORT_DIPSETTING( 0xa2, "162" ) PORT_DIPSETTING( 0xa3, "163" ) PORT_DIPSETTING( 0xa4, "164" )
+ PORT_DIPSETTING( 0xa5, "165" ) PORT_DIPSETTING( 0xa6, "166" ) PORT_DIPSETTING( 0xa7, "167" ) PORT_DIPSETTING( 0xa8, "168" ) PORT_DIPSETTING( 0xa9, "169" )
+ PORT_DIPSETTING( 0xaa, "170" ) PORT_DIPSETTING( 0xab, "171" ) PORT_DIPSETTING( 0xac, "172" ) PORT_DIPSETTING( 0xad, "173" ) PORT_DIPSETTING( 0xae, "174" )
+ PORT_DIPSETTING( 0xaf, "175" ) PORT_DIPSETTING( 0xb0, "176" ) PORT_DIPSETTING( 0xb1, "177" ) PORT_DIPSETTING( 0xb2, "178" ) PORT_DIPSETTING( 0xb3, "179" )
+ PORT_DIPSETTING( 0xb4, "180" ) PORT_DIPSETTING( 0xb5, "181" ) PORT_DIPSETTING( 0xb6, "182" ) PORT_DIPSETTING( 0xb7, "183" ) PORT_DIPSETTING( 0xb8, "184" )
+ PORT_DIPSETTING( 0xb9, "185" ) PORT_DIPSETTING( 0xba, "186" ) PORT_DIPSETTING( 0xbb, "187" ) PORT_DIPSETTING( 0xbc, "188" ) PORT_DIPSETTING( 0xbd, "189" )
+ PORT_DIPSETTING( 0xbe, "190" ) PORT_DIPSETTING( 0xbf, "191" ) PORT_DIPSETTING( 0xc0, "192" ) PORT_DIPSETTING( 0xc1, "193" ) PORT_DIPSETTING( 0xc2, "194" )
+ PORT_DIPSETTING( 0xc3, "195" ) PORT_DIPSETTING( 0xc4, "196" ) PORT_DIPSETTING( 0xc5, "197" ) PORT_DIPSETTING( 0xc6, "198" ) PORT_DIPSETTING( 0xc7, "199" )
+ PORT_DIPSETTING( 0xc8, "200" ) PORT_DIPSETTING( 0xc9, "201" ) PORT_DIPSETTING( 0xca, "202" ) PORT_DIPSETTING( 0xcb, "203" ) PORT_DIPSETTING( 0xcc, "204" )
+ PORT_DIPSETTING( 0xcd, "205" ) PORT_DIPSETTING( 0xce, "206" ) PORT_DIPSETTING( 0xcf, "207" ) PORT_DIPSETTING( 0xd0, "208" ) PORT_DIPSETTING( 0xd1, "209" )
+ PORT_DIPSETTING( 0xd2, "210" ) PORT_DIPSETTING( 0xd3, "211" ) PORT_DIPSETTING( 0xd4, "212" ) PORT_DIPSETTING( 0xd5, "213" ) PORT_DIPSETTING( 0xd6, "214" )
+ PORT_DIPSETTING( 0xd7, "215" ) PORT_DIPSETTING( 0xd8, "216" ) PORT_DIPSETTING( 0xd9, "217" ) PORT_DIPSETTING( 0xda, "218" ) PORT_DIPSETTING( 0xdb, "219" )
+ PORT_DIPSETTING( 0xdc, "220" ) PORT_DIPSETTING( 0xdd, "221" ) PORT_DIPSETTING( 0xde, "222" ) PORT_DIPSETTING( 0xdf, "223" ) PORT_DIPSETTING( 0xe0, "224" )
+ PORT_DIPSETTING( 0xe1, "225" ) PORT_DIPSETTING( 0xe2, "226" ) PORT_DIPSETTING( 0xe3, "227" ) PORT_DIPSETTING( 0xe4, "228" ) PORT_DIPSETTING( 0xe5, "229" )
+ PORT_DIPSETTING( 0xe6, "230" ) PORT_DIPSETTING( 0xe7, "231" ) PORT_DIPSETTING( 0xe8, "232" ) PORT_DIPSETTING( 0xe9, "233" ) PORT_DIPSETTING( 0xea, "234" )
+ PORT_DIPSETTING( 0xeb, "235" ) PORT_DIPSETTING( 0xec, "236" ) PORT_DIPSETTING( 0xed, "237" ) PORT_DIPSETTING( 0xee, "238" ) PORT_DIPSETTING( 0xef, "239" )
+ PORT_DIPSETTING( 0xf0, "240" ) PORT_DIPSETTING( 0xf1, "241" ) PORT_DIPSETTING( 0xf2, "242" ) PORT_DIPSETTING( 0xf3, "243" ) PORT_DIPSETTING( 0xf4, "244" )
+ PORT_DIPSETTING( 0xf5, "245" ) PORT_DIPSETTING( 0xf6, "246" ) PORT_DIPSETTING( 0xf7, "247" ) PORT_DIPSETTING( 0xf8, "248" ) PORT_DIPSETTING( 0xf9, "249" )
+ PORT_DIPSETTING( 0xfa, "250" ) PORT_DIPSETTING( 0xfb, "251" ) PORT_DIPSETTING( 0xfc, "252" ) PORT_DIPSETTING( 0xfd, "253" ) PORT_DIPSETTING( 0xfe, "254" )
+ PORT_DIPSETTING( 0xff, "255" )
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START(bbc_joy)
+ PORT_START("JOY0")
+ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_MINMAX(0x0,0xff ) PORT_PLAYER(1)
+
+ PORT_START("JOY1")
+ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_MINMAX(0x0,0xff ) PORT_PLAYER(1)
+
+ PORT_START("JOY2")
+ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_MINMAX(0x0,0xff ) PORT_PLAYER(2)
+
+ PORT_START("JOY3")
+ PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_MINMAX(0x0,0xff ) PORT_PLAYER(2)
+INPUT_PORTS_END
+
+
+static INPUT_PORTS_START(bbc_config)
+ PORT_START("BBCCONFIG")
+
+ PORT_CONFNAME( 0x01, 0x00, "Speech Upgrade" )
+ PORT_CONFSETTING( 0x00, DEF_STR( On ) )
+ PORT_CONFSETTING( 0x01, DEF_STR( Off ) )
+
+ PORT_CONFNAME( 0x18, 0x00, "Sideways RAM Type" )
+ PORT_CONFSETTING( 0x00, DEF_STR( None ) )
+ PORT_CONFSETTING( 0x08, "Solidisk 128K (fe62)" )
+ PORT_CONFSETTING( 0x10, "Acorn 64K (fe30)" )
+ PORT_CONFSETTING( 0x18, "Acorn 128K (fe30)" )
+// PORT_CONFSETTING( 0x20, "ATPL Sidewise 16K" )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START(bbca)
+ PORT_INCLUDE(bbc_keyboard)
+ PORT_INCLUDE(bbc_dipswitch)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START(bbcb)
+ PORT_INCLUDE(bbc_config)
+ PORT_INCLUDE(bbc_keyboard)
+ PORT_INCLUDE(bbc_dipswitch)
+ PORT_INCLUDE(bbc_links)
+ PORT_INCLUDE(bbc_joy)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START(abc)
+ PORT_INCLUDE(bbc_keyboard)
+ PORT_INCLUDE(bbc_keypad)
+ PORT_INCLUDE(bbc_dipswitch)
+ PORT_INCLUDE(bbc_links)
+ PORT_INCLUDE(bbc_joy)
+INPUT_PORTS_END
+
+static INPUT_PORTS_START(bbcm)
+ PORT_INCLUDE(bbc_keyboard)
+ PORT_INCLUDE(bbc_keypad)
+ PORT_INCLUDE(bbc_joy)
+INPUT_PORTS_END
+
+
+INTERRUPT_GEN_MEMBER(bbc_state::bbcb_vsync)
+{
+ via6522_device *via_0 = machine().device<via6522_device>("via6522_0");
+ via_0->write_ca1(1);
+ via_0->write_ca1(0);
+}
+
+
+WRITE_LINE_MEMBER(bbc_state::bbcb_acia6850_irq_w)
+{
+ m_acia_irq = state;
+
+ check_interrupts();
+}
+
+
+FLOPPY_FORMATS_MEMBER( bbc_state::floppy_formats_525sd )
+ FLOPPY_BBC_SSD_525_FORMAT,
+ FLOPPY_BBC_DSD_525_FORMAT
+FLOPPY_FORMATS_END
+
+FLOPPY_FORMATS_MEMBER( bbc_state::floppy_formats_525dd )
+ FLOPPY_BBC_SSD_525_FORMAT,
+ FLOPPY_BBC_DSD_525_FORMAT,
+ FLOPPY_BBC_ADF_525_FORMAT
+FLOPPY_FORMATS_END
+
+FLOPPY_FORMATS_MEMBER( bbc_state::floppy_formats_35dd )
+ FLOPPY_BBC_ADF_35_FORMAT
+FLOPPY_FORMATS_END
+
+static SLOT_INTERFACE_START( bbc_floppies_525 )
+ SLOT_INTERFACE("sssd", FLOPPY_525_SSSD)
+ SLOT_INTERFACE("sd", FLOPPY_525_SD)
+ SLOT_INTERFACE("ssdd", FLOPPY_525_SSDD)
+ SLOT_INTERFACE("dd", FLOPPY_525_DD)
+ SLOT_INTERFACE("ssqd", FLOPPY_525_SSQD)
+ SLOT_INTERFACE("qd", FLOPPY_525_QD)
+SLOT_INTERFACE_END
+
+static SLOT_INTERFACE_START( bbc_floppies_35 )
+ SLOT_INTERFACE("qd", FLOPPY_35_DD)
+SLOT_INTERFACE_END
+
+WRITE_LINE_MEMBER(bbc_state::econet_clk_w)
+{
+ m_adlc->rxc_w(state);
+ m_adlc->txc_w(state);
+}
+
+// 4 x EPROM sockets (16K) in BBC-A, these should grow to 16 for BBC-B and later...
+static MACHINE_CONFIG_FRAGMENT( bbc_eprom_sockets )
+ MCFG_GENERIC_SOCKET_ADD("exp_rom1", generic_linear_slot, "bbc_cart")
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
+ MCFG_GENERIC_LOAD(bbc_state, exp1_load)
+
+ MCFG_GENERIC_SOCKET_ADD("exp_rom2", generic_linear_slot, "bbc_cart")
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
+ MCFG_GENERIC_LOAD(bbc_state, exp2_load)
+
+ MCFG_GENERIC_SOCKET_ADD("exp_rom3", generic_linear_slot, "bbc_cart")
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
+ MCFG_GENERIC_LOAD(bbc_state, exp3_load)
+
+ MCFG_GENERIC_SOCKET_ADD("exp_rom4", generic_linear_slot, "bbc_cart")
+ MCFG_GENERIC_EXTENSIONS("bin,rom")
+ MCFG_GENERIC_LOAD(bbc_state, exp4_load)
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+
+ BBC Micro
+
+****************************************************************************/
+
+
+static MACHINE_CONFIG_START( bbca, bbc_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M6502, 2000000) /* 2.00 MHz */
+ MCFG_CPU_PROGRAM_MAP(bbca_mem)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", bbc_state, bbcb_vsync) /* screen refresh interrupts */
+ MCFG_CPU_PERIODIC_INT_DRIVER(bbc_state, bbcb_keyscan, 1000) /* scan keyboard */
+ MCFG_QUANTUM_TIME(attotime::from_hz(60))
+
+ /* internal ram */
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("16K")
+ MCFG_RAM_EXTRA_OPTIONS("32K")
+ MCFG_RAM_DEFAULT_VALUE(0x00)
+
+ MCFG_MACHINE_START_OVERRIDE(bbc_state, bbca)
+ MCFG_MACHINE_RESET_OVERRIDE(bbc_state, bbca)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_SIZE(640, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 256-1)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(128))
+ MCFG_SCREEN_UPDATE_DEVICE("mc6845", mc6845_device, screen_update)
+
+ MCFG_PALETTE_ADD("palette", 16)
+ MCFG_PALETTE_INIT_OWNER(bbc_state,bbc)
+
+ MCFG_DEVICE_ADD("saa5050", SAA5050, XTAL_12MHz/2)
+ MCFG_SAA5050_SCREEN_SIZE(40, 24, 40)
+
+ /* crtc */
+ MCFG_MC6845_ADD("mc6845", MC6845, "screen", 2000000)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(8)
+ MCFG_MC6845_UPDATE_ROW_CB(bbc_state, crtc_update_row)
+ MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(bbc_state, bbc_vsync))
+
+ MCFG_VIDEO_START_OVERRIDE(bbc_state, bbca)
+
+ MCFG_DEFAULT_LAYOUT(layout_bbc)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("sn76489", SN76489, 4000000) /* 4 MHz */
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+
+ /* cassette */
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(bbc_cassette_formats)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY)
+ MCFG_CASSETTE_INTERFACE("bbc_cass")
+
+ /* software lists */
+ MCFG_SOFTWARE_LIST_ADD("cass_ls_a", "bbca_cass")
+
+ /* acia */
+ MCFG_DEVICE_ADD("acia6850", ACIA6850, 0)
+ MCFG_ACIA6850_TXD_HANDLER(WRITELINE(bbc_state, bbc_txd_w))
+ MCFG_ACIA6850_RTS_HANDLER(WRITELINE(bbc_state, bbc_rts_w))
+ MCFG_ACIA6850_IRQ_HANDLER(WRITELINE(bbc_state, bbcb_acia6850_irq_w))
+
+ MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, NULL)
+ MCFG_RS232_RXD_HANDLER(WRITELINE(bbc_state, write_rxd_serial))
+ MCFG_RS232_DCD_HANDLER(WRITELINE(bbc_state, write_dcd_serial))
+ MCFG_RS232_CTS_HANDLER(WRITELINE(bbc_state, write_cts_serial))
+
+ MCFG_DEVICE_ADD("acia_clock", CLOCK, XTAL_16MHz / 13)
+ MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(bbc_state, write_acia_clock))
+
+ /* system via */
+ MCFG_DEVICE_ADD("via6522_0", VIA6522, 1000000)
+ MCFG_VIA6522_READPA_HANDLER(READ8(bbc_state, bbcb_via_system_read_porta))
+ MCFG_VIA6522_READPB_HANDLER(READ8(bbc_state, bbcb_via_system_read_portb))
+ MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(bbc_state, bbcb_via_system_write_porta))
+ MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(bbc_state, bbcb_via_system_write_portb))
+ MCFG_VIA6522_IRQ_HANDLER(WRITELINE(bbc_state, bbcb_via_system_irq_w))
+
+ /* EPROM sockets */
+ MCFG_FRAGMENT_ADD(bbc_eprom_sockets)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcb, bbca )
+ /* basic machine hardware */
+ MCFG_CPU_MODIFY( "maincpu" )
+ MCFG_CPU_PROGRAM_MAP(bbcb_mem)
+
+ MCFG_MACHINE_START_OVERRIDE(bbc_state, bbcb)
+ MCFG_MACHINE_RESET_OVERRIDE(bbc_state, bbcb)
+ MCFG_VIDEO_START_OVERRIDE(bbc_state, bbcb)
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("32K")
+ MCFG_RAM_DEFAULT_VALUE(0x00)
+
+ /* speech hardware */
+ MCFG_DEVICE_ADD("vsm", SPEECHROM, 0)
+ MCFG_SOUND_ADD("tms5220", TMS5220, 640000)
+ MCFG_TMS52XX_SPEECHROM("vsm")
+
+ /* user via */
+ MCFG_DEVICE_ADD("via6522_1", VIA6522, 1000000)
+ MCFG_VIA6522_READPB_HANDLER(READ8(bbc_state, bbcb_via_user_read_portb))
+ MCFG_VIA6522_WRITEPA_HANDLER(DEVWRITE8("cent_data_out", output_latch_device, write))
+ MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(bbc_state, bbcb_via_user_write_portb))
+ MCFG_VIA6522_CA2_HANDLER(DEVWRITELINE("centronics", centronics_device, write_strobe))
+ MCFG_VIA6522_IRQ_HANDLER(WRITELINE(bbc_state, bbcb_via_user_irq_w))
+
+ /* adc */
+ MCFG_DEVICE_ADD("upd7002", UPD7002, 0)
+ MCFG_UPD7002_GET_ANALOGUE_CB(bbc_state, BBC_get_analogue_input)
+ MCFG_UPD7002_EOC_CB(bbc_state, BBC_uPD7002_EOC)
+
+ /* printer */
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE("via6522_1", via6522_device, write_ca1)) MCFG_DEVCB_INVERT /* ack seems to be inverted? */
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
+
+ /* fdc */
+ MCFG_DEVICE_ADD("i8271" , I8271 , 0)
+ MCFG_I8271_IRQ_CALLBACK(WRITELINE(bbc_state, bbc_i8271_interrupt))
+ MCFG_I8271_HDL_CALLBACK(WRITELINE(bbc_state, motor_w))
+ MCFG_FLOPPY_DRIVE_ADD("i8271:0", bbc_floppies_525, "qd", bbc_state::floppy_formats_525sd)
+ MCFG_FLOPPY_DRIVE_ADD("i8271:1", bbc_floppies_525, "qd", bbc_state::floppy_formats_525sd)
+
+ /* software lists */
+ MCFG_DEVICE_REMOVE("cass_ls_a")
+ MCFG_SOFTWARE_LIST_ADD("cass_ls_b", "bbcb_cass")
+ MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("cass_ls_a", "bbca_cass")
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED(bbcb1770, bbcb)
+ /* basic machine hardware */
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(bbcb1770_mem)
+
+ /* fdc */
+ MCFG_DEVICE_REMOVE("i8271")
+
+ MCFG_WD1770_ADD("wd1770", XTAL_16MHz / 2)
+ MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(bbc_state, bbc_wd177x_intrq_w))
+ MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(bbc_state, bbc_wd177x_drq_w))
+
+ MCFG_FLOPPY_DRIVE_ADD("wd1770:0", bbc_floppies_525, "qd", bbc_state::floppy_formats_525dd)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+ MCFG_FLOPPY_DRIVE_ADD("wd1770:1", bbc_floppies_525, "qd", bbc_state::floppy_formats_525dd)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcb_de, bbcb )
+ /* software lists */
+ MCFG_DEVICE_REMOVE("cass_ls_b")
+ MCFG_SOFTWARE_LIST_ADD("flop_ls_b_de", "bbcb_de_cass")
+ MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("cass_ls_b", "bbcb_cass")
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcb_us, bbcb )
+ /* video hardware */
+ MCFG_SCREEN_MODIFY("screen")
+ MCFG_SCREEN_SIZE(640, 200)
+ MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 200-1)
+ MCFG_SCREEN_REFRESH_RATE(60)
+
+ /* software lists */
+ MCFG_DEVICE_REMOVE("cass_ls_b")
+ MCFG_SOFTWARE_LIST_ADD("flop_ls_b_us", "bbcb_us_flop")
+ MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("cass_ls_b", "bbcb_cass")
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcbp, bbcb1770 )
+ /* basic machine hardware */
+ MCFG_CPU_MODIFY( "maincpu" ) /* M6512 */
+ MCFG_CPU_PROGRAM_MAP(bbcbp_mem)
+
+ MCFG_MACHINE_START_OVERRIDE(bbc_state, bbcbp)
+ MCFG_MACHINE_RESET_OVERRIDE(bbc_state, bbcbp)
+ MCFG_VIDEO_START_OVERRIDE(bbc_state, bbcbp)
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("64K")
+ MCFG_RAM_DEFAULT_VALUE(0x00)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcbp128, bbcb1770 )
+ /* basic machine hardware */
+ MCFG_CPU_MODIFY( "maincpu" ) /* M6512 */
+ MCFG_CPU_PROGRAM_MAP(bbcbp128_mem)
+
+ MCFG_MACHINE_START_OVERRIDE(bbc_state, bbcbp)
+ MCFG_MACHINE_RESET_OVERRIDE(bbc_state, bbcbp)
+ MCFG_VIDEO_START_OVERRIDE(bbc_state, bbcbp)
+
+ /* internal ram */
+ MCFG_RAM_MODIFY(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("128K")
+ MCFG_RAM_DEFAULT_VALUE(0x00)
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+
+ Acorn Business Computers
+
+****************************************************************************/
+
+
+static MACHINE_CONFIG_DERIVED( abc110, bbcbp )
+ /* fdc */
+ MCFG_DEVICE_REMOVE("wd1770:1")
+
+ /* Add Z80 co-processor */
+
+ /* Add ADAPTEC ACB-4000 Winchester Disc Controller */
+
+ /* Add 10MB ST-412 Winchester */
+
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( abc210, bbcbp )
+ /* fdc */
+ MCFG_DEVICE_REMOVE("wd1770:1")
+
+ /* Add 32016 co-processor */
+
+ /* Add ADAPTEC ACB-4000 Winchester Disc Controller */
+
+ /* Add 10MB ST-412 Winchester ABC210 */
+
+ /* Add 20MB ST-412 Winchester Cambridge */
+
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( abc310, bbcbp )
+ /* fdc */
+ MCFG_DEVICE_REMOVE("wd1770:1")
+
+ /* Add 80286 co-processor */
+
+ /* Add ADAPTEC ACB-4000 Winchester Disc Controller */
+
+ /* Add 10MB ST-412 Winchester */
+
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+
+ Reuters APM Board (Application Processor Module)
+
+****************************************************************************/
+
+
+static MACHINE_CONFIG_DERIVED( reutapm, bbcbp )
+ /* basic machine hardware */
+ MCFG_CPU_MODIFY( "maincpu" ) /* M6512 */
+ MCFG_CPU_PROGRAM_MAP(reutapm_mem)
+
+ /* sound hardware */
+ MCFG_DEVICE_REMOVE("mono")
+ MCFG_DEVICE_REMOVE("sn76489")
+ MCFG_DEVICE_REMOVE("vsm")
+ MCFG_DEVICE_REMOVE("tms5220")
+
+ /* cassette */
+ MCFG_DEVICE_REMOVE( "cassette" )
+
+ /* fdc */
+ MCFG_DEVICE_REMOVE("wd1770")
+
+ /* software lists */
+ MCFG_DEVICE_REMOVE("cass_ls_a")
+ MCFG_DEVICE_REMOVE("cass_ls_b")
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+
+ BBC Master Series
+
+****************************************************************************/
+
+
+static MACHINE_CONFIG_START( bbcm, bbc_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", M65SC02, 2000000) /* 2.00 MHz */
+ MCFG_CPU_PROGRAM_MAP(bbcm_mem)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", bbc_state, bbcb_vsync) /* screen refresh interrupts */
+ MCFG_CPU_PERIODIC_INT_DRIVER(bbc_state, bbcb_keyscan, 1000) /* scan keyboard */
+ MCFG_QUANTUM_TIME(attotime::from_hz(60))
+
+ /* internal ram */
+ MCFG_RAM_ADD(RAM_TAG)
+ MCFG_RAM_DEFAULT_SIZE("128K")
+ MCFG_RAM_DEFAULT_VALUE(0x00)
+
+ MCFG_MACHINE_START_OVERRIDE(bbc_state, bbcm)
+ MCFG_MACHINE_RESET_OVERRIDE(bbc_state, bbcm)
+
+ MCFG_DEFAULT_LAYOUT(layout_bbc)
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(50)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(128))
+ MCFG_SCREEN_SIZE(640, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 256-1)
+ MCFG_SCREEN_UPDATE_DEVICE("mc6845", mc6845_device, screen_update)
+ MCFG_PALETTE_ADD("palette", 16)
+ MCFG_PALETTE_INIT_OWNER(bbc_state,bbc)
+
+ MCFG_DEVICE_ADD("saa5050", SAA5050, XTAL_12MHz/2)
+ MCFG_SAA5050_SCREEN_SIZE(40, 24, 40)
+
+ /* crtc */
+ MCFG_MC6845_ADD("mc6845", MC6845, "screen", 2000000)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(8)
+ MCFG_MC6845_UPDATE_ROW_CB(bbc_state, crtc_update_row)
+ MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(bbc_state, bbc_vsync))
+
+ MCFG_VIDEO_START_OVERRIDE(bbc_state, bbcm)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("sn76489", SN76489, 4000000) /* 4 MHz */
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+
+ /* rtc and cmos */
+ MCFG_MC146818_ADD( "rtc", XTAL_32_768kHz )
+
+ /* printer */
+ MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CENTRONICS_ACK_HANDLER(DEVWRITELINE("via6522_1", via6522_device, write_ca1)) MCFG_DEVCB_INVERT /* ack seems to be inverted? */
+ MCFG_CENTRONICS_OUTPUT_LATCH_ADD("cent_data_out", "centronics")
+
+ /* cassette */
+ MCFG_CASSETTE_ADD( "cassette" )
+ MCFG_CASSETTE_FORMATS(bbc_cassette_formats)
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY)
+ MCFG_CASSETTE_INTERFACE("bbc_cass")
+
+ // 2 x EPROM sockets (32K) in BBC-Master
+ MCFG_GENERIC_SOCKET_ADD("exp_rom1", generic_plain_slot, "bbcm_cart")
+ MCFG_GENERIC_LOAD(bbc_state, bbcm_exp1_load)
+
+ MCFG_GENERIC_SOCKET_ADD("exp_rom2", generic_plain_slot, "bbcm_cart")
+ MCFG_GENERIC_LOAD(bbc_state, bbcm_exp2_load)
+
+ /* software lists */
+ MCFG_SOFTWARE_LIST_ADD("cass_ls_m", "bbcm_cass")
+ MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("cass_ls_a", "bbca_cass")
+ MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("cass_ls_b", "bbcb_cass")
+ MCFG_SOFTWARE_LIST_ADD("cart_ls_m", "bbcm_cart")
+
+ /* acia */
+ MCFG_DEVICE_ADD("acia6850", ACIA6850, 0)
+ MCFG_ACIA6850_TXD_HANDLER(WRITELINE(bbc_state, bbc_txd_w))
+ MCFG_ACIA6850_RTS_HANDLER(WRITELINE(bbc_state, bbc_rts_w))
+ MCFG_ACIA6850_IRQ_HANDLER(WRITELINE(bbc_state, bbcb_acia6850_irq_w))
+
+ MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, NULL)
+ MCFG_RS232_RXD_HANDLER(WRITELINE(bbc_state, write_rxd_serial))
+ MCFG_RS232_DCD_HANDLER(WRITELINE(bbc_state, write_dcd_serial))
+ MCFG_RS232_CTS_HANDLER(WRITELINE(bbc_state, write_cts_serial))
+
+ MCFG_DEVICE_ADD("acia_clock", CLOCK, XTAL_16MHz / 13)
+ MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(bbc_state, write_acia_clock))
+
+ /* adc */
+ MCFG_DEVICE_ADD("upd7002", UPD7002, 0)
+ MCFG_UPD7002_GET_ANALOGUE_CB(bbc_state, BBC_get_analogue_input)
+ MCFG_UPD7002_EOC_CB(bbc_state, BBC_uPD7002_EOC)
+
+ /* system via */
+ MCFG_DEVICE_ADD("via6522_0", VIA6522, 1000000)
+ MCFG_VIA6522_READPA_HANDLER(READ8(bbc_state, bbcb_via_system_read_porta))
+ MCFG_VIA6522_READPB_HANDLER(READ8(bbc_state, bbcb_via_system_read_portb))
+ MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(bbc_state, bbcb_via_system_write_porta))
+ MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(bbc_state, bbcb_via_system_write_portb))
+ MCFG_VIA6522_IRQ_HANDLER(WRITELINE(bbc_state, bbcb_via_system_irq_w))
+
+ /* user via */
+ MCFG_DEVICE_ADD("via6522_1", VIA6522, 1000000)
+ MCFG_VIA6522_READPB_HANDLER(READ8(bbc_state, bbcb_via_user_read_portb))
+ MCFG_VIA6522_WRITEPA_HANDLER(DEVWRITE8("cent_data_out", output_latch_device, write))
+ MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(bbc_state, bbcb_via_user_write_portb))
+ MCFG_VIA6522_CA2_HANDLER(DEVWRITELINE("centronics", centronics_device, write_strobe))
+ MCFG_VIA6522_IRQ_HANDLER(WRITELINE(bbc_state, bbcb_via_user_irq_w))
+
+ /* fdc */
+ MCFG_WD1770_ADD("wd1770", XTAL_16MHz / 2)
+ MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(bbc_state, bbc_wd177x_intrq_w))
+ MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(bbc_state, bbc_wd177x_drq_w))
+
+ MCFG_FLOPPY_DRIVE_ADD("wd1770:0", bbc_floppies_525, "qd", bbc_state::floppy_formats_525dd)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+ MCFG_FLOPPY_DRIVE_ADD("wd1770:1", bbc_floppies_525, "qd", bbc_state::floppy_formats_525dd)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+
+ /* econet */
+ MCFG_DEVICE_ADD("mc6854", MC6854, 0)
+ MCFG_MC6854_OUT_TXD_CB(DEVWRITELINE(ECONET_TAG, econet_device, data_w))
+ MCFG_ECONET_ADD()
+ MCFG_ECONET_CLK_CALLBACK(WRITELINE(bbc_state, econet_clk_w))
+ MCFG_ECONET_DATA_CALLBACK(DEVWRITELINE("mc6854", mc6854_device, set_rx))
+ MCFG_ECONET_SLOT_ADD("econet254", 254, econet_devices, NULL)
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcmt, bbcm )
+
+ /* Add 65C102 co-processor */
+
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcmaiv, bbcm )
+
+ /* Add 65C102 co-processor */
+
+ /* Add Philips VP415 Laserdisc player */
+
+ /* Add Acorn Tracker Ball */
+
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcmet, bbcm )
+ /* sound hardware */
+ MCFG_DEVICE_REMOVE("mono")
+ MCFG_DEVICE_REMOVE("sn76489")
+
+ /* printer */
+ MCFG_DEVICE_REMOVE("centronics")
+
+ /* cassette */
+ MCFG_DEVICE_REMOVE("cassette")
+
+ /* software lists */
+ MCFG_SOFTWARE_LIST_REMOVE("cass_ls_m")
+ MCFG_SOFTWARE_LIST_REMOVE("cass_ls_a")
+ MCFG_SOFTWARE_LIST_REMOVE("cass_ls_b")
+
+ /* acia */
+ MCFG_DEVICE_REMOVE("acia6850")
+ MCFG_DEVICE_REMOVE(RS232_TAG)
+ MCFG_DEVICE_REMOVE("acia_clock")
+
+ /* devices */
+ MCFG_DEVICE_REMOVE("upd7002")
+ MCFG_DEVICE_REMOVE("via6522_1")
+
+ /* fdc */
+ MCFG_DEVICE_REMOVE("wd1770")
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcm512, bbcm )
+
+ /* Add Intel 80186 co-processor */
+
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED( bbcmarm, bbcm )
+
+ /* Add ARM co-processor */
+
+MACHINE_CONFIG_END
+
+
+/***************************************************************************
+
+ BBC Master Compact
+
+****************************************************************************/
+
+
+static MACHINE_CONFIG_DERIVED( bbcmc, bbcm )
+ /* cassette */
+ MCFG_DEVICE_REMOVE("cassette")
+
+ /* fdc */
+ MCFG_DEVICE_REMOVE("wd1770")
+
+ MCFG_WD1772_ADD("wd1772", XTAL_16MHz / 2)
+ MCFG_WD_FDC_INTRQ_CALLBACK(WRITELINE(bbc_state, bbc_wd177x_intrq_w))
+ MCFG_WD_FDC_DRQ_CALLBACK(WRITELINE(bbc_state, bbc_wd177x_drq_w))
+
+ MCFG_FLOPPY_DRIVE_ADD("wd1772:0", bbc_floppies_35, "qd", bbc_state::floppy_formats_35dd)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+ MCFG_FLOPPY_DRIVE_ADD("wd1772:1", bbc_floppies_35, NULL, bbc_state::floppy_formats_35dd)
+ MCFG_FLOPPY_DRIVE_SOUND(true)
+
+ /* eeprom pcd8572 */
+ //MCFG_DEVICE_REMOVE("rtc")
+
+ /* software lists */
+ MCFG_SOFTWARE_LIST_REMOVE("cass_ls_m")
+ MCFG_SOFTWARE_LIST_REMOVE("cass_ls_a")
+ MCFG_SOFTWARE_LIST_REMOVE("cass_ls_b")
+ MCFG_SOFTWARE_LIST_REMOVE("cart_ls_m")
+ MCFG_SOFTWARE_LIST_ADD("flop_ls_mc", "bbcmc_flop")
+MACHINE_CONFIG_END
+
+
+static MACHINE_CONFIG_DERIVED(pro128s, bbcmc)
+ /* software lists */
+ MCFG_SOFTWARE_LIST_REMOVE("flop_ls_mc")
+ MCFG_SOFTWARE_LIST_ADD("flop_ls_pro128s", "pro128s_flop")
+ MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("flop_ls_mc", "bbcmc_flop")
+MACHINE_CONFIG_END
+
+
+/* the BBC came with 4 rom sockets on the motherboard as shown in the model A driver */
+/* you could get a number of rom upgrade boards that took this up to 16 roms as in the */
+/* model B driver */
+
+ROM_START(bbca)
+ ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
+
+ ROM_REGION(0x14000,"option",0) /* ROM */
+ /* rom page 0 00000 SPARE SOCKET */
+ /* rom page 1 04000 SPARE SOCKET */
+ /* rom page 2 08000 SPARE SOCKET */
+ /* rom page 3 0c000 BASIC */
+ ROM_DEFAULT_BIOS("os12b2")
+ ROM_SYSTEM_BIOS( 0, "os12b2", "OS 1.20 / BASIC2" )
+ ROMX_LOAD("os12.rom", 0x10000, 0x4000, CRC(3c14fc70) SHA1(0d9bcaf6a393c9ce2359ed700ddb53c232c2c45d), ROM_BIOS(1)) /* os */
+ ROMX_LOAD("basic2.rom", 0x0c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(1)) /* rom page 3 0c000 */
+ ROM_SYSTEM_BIOS( 1, "os12b1", "OS 1.20 / BASIC1" )
+ ROMX_LOAD("os12.rom", 0x10000, 0x4000, CRC(3c14fc70) SHA1(0d9bcaf6a393c9ce2359ed700ddb53c232c2c45d), ROM_BIOS(2)) /* os */
+ ROMX_LOAD("basic1.rom", 0x0c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(2)) /* rom page 3 0c000 */
+ ROM_SYSTEM_BIOS( 2, "os10b2", "OS 1.00 / BASIC2" )
+ ROMX_LOAD("os10.rom", 0x10000, 0x4000, CRC(9679b8f8) SHA1(d35f6723132aabe3c4d00fc16fd9ecc6768df753), ROM_BIOS(3)) /* os */
+ ROMX_LOAD("basic2.rom", 0x0c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(3)) /* rom page 3 0c000 */
+ ROM_SYSTEM_BIOS( 3, "os10b1", "OS 1.00 / BASIC1" )
+ ROMX_LOAD("os10.rom", 0x10000, 0x4000, CRC(9679b8f8) SHA1(d35f6723132aabe3c4d00fc16fd9ecc6768df753), ROM_BIOS(4)) /* os */
+ ROMX_LOAD("basic1.rom", 0x0c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(4)) /* rom page 3 0c000 */
+ /* OS0.1 does not support rom paging, load BASIC into all pages */
+ ROM_SYSTEM_BIOS( 4, "os01b2", "OS 0.10 / BASIC2" )
+ ROMX_LOAD("os01.rom", 0x10000, 0x4000, CRC(45ee0980) SHA1(4b0ece6dc139d5d3f4fabd023716fb6f25149b80), ROM_BIOS(5)) /* os */
+ ROMX_LOAD("basic2.rom", 0x00000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(5)) /* rom page 0 00000 */
+ ROMX_LOAD("basic2.rom", 0x04000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(5)) /* rom page 1 04000 */
+ ROMX_LOAD("basic2.rom", 0x08000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(5)) /* rom page 2 08000 */
+ ROMX_LOAD("basic2.rom", 0x0c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(5)) /* rom page 3 0c000 */
+ ROM_SYSTEM_BIOS( 5, "os01b1", "OS 0.10 / BASIC1" )
+ ROMX_LOAD("os01.rom", 0x10000, 0x4000, CRC(45ee0980) SHA1(4b0ece6dc139d5d3f4fabd023716fb6f25149b80), ROM_BIOS(6)) /* os */
+ ROMX_LOAD("basic1.rom", 0x00000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(6)) /* rom page 0 00000 */
+ ROMX_LOAD("basic1.rom", 0x04000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(6)) /* rom page 1 04000 */
+ ROMX_LOAD("basic1.rom", 0x08000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(6)) /* rom page 2 08000 */
+ ROMX_LOAD("basic1.rom", 0x0c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(6)) /* rom page 3 0c000 */
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x10000, 0, 0x4000)
+ROM_END
+
+
+/* 0000- 7fff ram */
+/* 8000- bfff this area is mapped over with one of the roms from "option" region 0x00000-0x40000 */
+/* c000- ffff OS rom and memory mapped hardware at fc00-feff, from "option" region 0x40000-0x44000 */
+
+
+ROM_START(bbcb)
+ ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 */
+ /* rom page 3 0c000 */
+ /* rom page 4 10000 */
+ /* rom page 5 14000 */
+ /* rom page 6 18000 */
+ /* rom page 7 1c000 */
+ /* rom page 8 20000 */
+ /* rom page 9 24000 */
+ /* rom page 10 28000 */
+ /* rom page 11 2c000 */
+ /* rom page 12 30000 SPARE SOCKET */
+ /* rom page 13 34000 SPARE SOCKET */
+ /* rom page 14 38000 DFS */
+ /* rom page 15 3c000 BASIC */
+ ROM_DEFAULT_BIOS("os12b2")
+ ROM_SYSTEM_BIOS( 0, "os12b2", "OS 1.20 / BASIC2" )
+ ROMX_LOAD("os12.rom", 0x40000, 0x4000, CRC(3c14fc70) SHA1(0d9bcaf6a393c9ce2359ed700ddb53c232c2c45d), ROM_BIOS(1)) /* os */
+ ROMX_LOAD("basic2.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(1)) /* rom page 15 3c000 */
+ ROM_SYSTEM_BIOS( 1, "os12b1", "OS 1.20 / BASIC1" )
+ ROMX_LOAD("os12.rom", 0x40000, 0x4000, CRC(3c14fc70) SHA1(0d9bcaf6a393c9ce2359ed700ddb53c232c2c45d), ROM_BIOS(2)) /* os */
+ ROMX_LOAD("basic1.rom", 0x3c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(2)) /* rom page 15 3c000 */
+ ROM_SYSTEM_BIOS( 2, "os10b2", "OS 1.00 / BASIC2" )
+ ROMX_LOAD("os10.rom", 0x40000, 0x4000, CRC(9679b8f8) SHA1(d35f6723132aabe3c4d00fc16fd9ecc6768df753), ROM_BIOS(3)) /* os */
+ ROMX_LOAD("basic2.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(3)) /* rom page 15 3c000 */
+ ROM_SYSTEM_BIOS( 3, "os10b1", "OS 1.00 / BASIC1" )
+ ROMX_LOAD("os10.rom", 0x40000, 0x4000, CRC(9679b8f8) SHA1(d35f6723132aabe3c4d00fc16fd9ecc6768df753), ROM_BIOS(4)) /* os */
+ ROMX_LOAD("basic1.rom", 0x3c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(4)) /* rom page 15 3c000 */
+
+ ROM_LOAD("dnfs.rom", 0x38000, 0x4000, CRC(8ccd2157) SHA1(7e3c536baeae84d6498a14e8405319e01ee78232))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(bbcb1770)
+ ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 */
+ /* rom page 3 0c000 */
+ /* rom page 4 10000 */
+ /* rom page 5 14000 */
+ /* rom page 6 18000 */
+ /* rom page 7 1c000 */
+ /* rom page 8 20000 */
+ /* rom page 9 24000 */
+ /* rom page 10 28000 */
+ /* rom page 11 2c000 */
+ /* rom page 12 30000 SPARE SOCKET */
+ /* rom page 13 34000 SPARE SOCKET */
+ /* rom page 14 38000 DDFS */
+ /* rom page 15 3c000 BASIC */
+ ROM_DEFAULT_BIOS("os12b2")
+ ROM_SYSTEM_BIOS( 0, "os12b2", "OS 1.20 / BASIC2" )
+ ROMX_LOAD("os12.rom", 0x40000, 0x4000, CRC(3c14fc70) SHA1(0d9bcaf6a393c9ce2359ed700ddb53c232c2c45d), ROM_BIOS(1)) /* os */
+ ROMX_LOAD("basic2.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(1)) /* rom page 15 3c000 */
+ ROM_SYSTEM_BIOS( 1, "os12b1", "OS 1.20 / BASIC1" )
+ ROMX_LOAD("os12.rom", 0x40000, 0x4000, CRC(3c14fc70) SHA1(0d9bcaf6a393c9ce2359ed700ddb53c232c2c45d), ROM_BIOS(2)) /* os */
+ ROMX_LOAD("basic1.rom", 0x3c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(2)) /* rom page 15 3c000 */
+ ROM_SYSTEM_BIOS( 2, "os10b2", "OS 1.00 / BASIC2" )
+ ROMX_LOAD("os10.rom", 0x40000, 0x4000, CRC(9679b8f8) SHA1(d35f6723132aabe3c4d00fc16fd9ecc6768df753), ROM_BIOS(3)) /* os */
+ ROMX_LOAD("basic2.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(3)) /* rom page 15 3c000 */
+ ROM_SYSTEM_BIOS( 3, "os10b1", "OS 1.00 / BASIC1" )
+ ROMX_LOAD("os10.rom", 0x40000, 0x4000, CRC(9679b8f8) SHA1(d35f6723132aabe3c4d00fc16fd9ecc6768df753), ROM_BIOS(4)) /* os */
+ ROMX_LOAD("basic1.rom", 0x3c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(4)) /* rom page 15 3c000 */
+
+ ROM_LOAD("ddfs223.rom", 0x38000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(bbcb_de)
+ ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 */
+ /* rom page 3 0c000 */
+ /* rom page 4 10000 */
+ /* rom page 5 14000 */
+ /* rom page 6 18000 */
+ /* rom page 7 1c000 */
+ /* rom page 8 20000 */
+ /* rom page 9 24000 */
+ /* rom page 10 28000 */
+ /* rom page 11 2c000 */
+ /* rom page 12 30000 SPARE SOCKET */
+ /* rom page 13 34000 SPARE SOCKET */
+ /* rom page 14 38000 DFS */
+ /* rom page 15 3c000 BASIC */
+ ROM_DEFAULT_BIOS("os12")
+ ROM_SYSTEM_BIOS( 0, "os12", "OS 1.20 / BASIC2" )
+ ROMX_LOAD("os_de.rom", 0x40000, 0x4000, CRC(b7262caf) SHA1(aadf90338ee9d1c85dfa73beba50e930c2a38f10), ROM_BIOS(1))
+ ROMX_LOAD("basic2.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(1)) /* rom page 15 3c000 */
+
+ ROM_LOAD("dfs10.rom", 0x38000, 0x4000, CRC(7e367e8c) SHA1(161f585dc45665ea77433c84afd2f95049f7f5a0))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(bbcb_us)
+ ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 */
+ /* rom page 3 0c000 */
+ /* rom page 4 10000 */
+ /* rom page 5 14000 */
+ /* rom page 6 18000 */
+ /* rom page 7 1c000 */
+ /* rom page 8 20000 */
+ /* rom page 9 24000 */
+ /* rom page 10 28000 */
+ /* rom page 11 2c000 */
+ /* rom page 12 30000 SPARE SOCKET */
+ /* rom page 13 34000 SPARE SOCKET */
+ /* rom page 14 38000 DFS */
+ /* rom page 15 3c000 BASIC */
+ ROM_DEFAULT_BIOS("os10b3")
+ ROM_SYSTEM_BIOS( 0, "os10b3", "OS A1.0 / BASIC3" )
+ ROMX_LOAD("os10_us.rom", 0x40000, 0x4000, CRC(c8e946a9) SHA1(83d91d089dca092d2c8b7c3650ff8143c9069b89), ROM_BIOS(1))
+ ROMX_LOAD("basic3.rom", 0x3c000, 0x4000, CRC(161b9539) SHA1(b39014610a968789afd7695aa04d1277d874405c), ROM_BIOS(1)) /* rom page 15 3c000 */
+
+ ROM_LOAD("dfs10.rom", 0x38000, 0x4000, CRC(7e367e8c) SHA1(161f585dc45665ea77433c84afd2f95049f7f5a0))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phrom_us.bin", 0x0000, 0x4000, CRC(bf4b3b64) SHA1(66876702d1d95eecc034d20f25047f893a27cde5))
+ROM_END
+
+
+ROM_START(bbcbp)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("os20")
+ ROM_SYSTEM_BIOS( 0, "os20", "OS 2.00" )
+ ROMX_LOAD("bpos2.ic71", 0x3c000, 0x4000, CRC(9f356396) SHA1(ea7d3a7e3ee1ecfaa1483af994048057362b01f2), ROM_BIOS(1)) /* rom page 15 3C000 BASIC */
+ ROM_CONTINUE( 0x40000, 0x4000) /* OS */
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 32K IN PAGE 3 */
+ /* rom page 3 0c000 SPARE SOCKET */
+ /* rom page 4 10000 32K IN PAGE 5 */
+ /* rom page 5 14000 ADFS */
+ /* rom page 6 18000 32K IN PAGE 7 */
+ /* rom page 7 1c000 DDFS */
+ /* rom page 8 20000 32K IN PAGE 9 */
+ /* rom page 9 24000 SPARE SOCKET */
+ /* rom page 10 28000 32K IN PAGE 11 */
+ /* rom page 11 2c000 SPARE SOCKET */
+ /* rom page 12 30000 */
+ /* rom page 13 34000 */
+ /* rom page 14 38000 32K IN PAGE 15 */
+ /* rom page 15 3C000 BASIC */
+ ROM_LOAD("adfs130.rom", 0x14000, 0x4000, CRC(d3855588) SHA1(301fd05c475a629c4bec70510d4507256a5b00d8))
+ ROM_LOAD("ddfs223.rom", 0x1c000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(bbcbp128)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("os20")
+ ROM_SYSTEM_BIOS( 0, "os20", "OS 2.00" )
+ ROMX_LOAD("bpos2.ic71", 0x3c000, 0x4000, CRC(9f356396) SHA1(ea7d3a7e3ee1ecfaa1483af994048057362b01f2), ROM_BIOS(1)) /* rom page 15 3C000 BASIC */
+ ROM_CONTINUE( 0x40000, 0x4000) /* OS */
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 32K IN PAGE 3 */
+ /* rom page 3 0c000 SPARE SOCKET */
+ /* rom page 4 10000 32K IN PAGE 5 */
+ /* rom page 5 14000 ADFS */
+ /* rom page 6 18000 32K IN PAGE 7 */
+ /* rom page 7 1c000 DDFS */
+ /* rom page 8 20000 32K IN PAGE 9 */
+ /* rom page 9 24000 SPARE SOCKET */
+ /* rom page 10 28000 32K IN PAGE 11 */
+ /* rom page 11 2c000 SPARE SOCKET */
+ /* rom page 12 30000 */
+ /* rom page 13 34000 */
+ /* rom page 14 38000 32K IN PAGE 15 */
+ /* rom page 15 3C000 BASIC */
+ ROM_LOAD("adfs130.rom", 0x14000, 0x4000, CRC(d3855588) SHA1(301fd05c475a629c4bec70510d4507256a5b00d8))
+ ROM_LOAD("ddfs223.rom", 0x1c000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(abc110)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos200")
+ ROM_SYSTEM_BIOS( 0, "mos200", "MOS2.00" )
+ ROMX_LOAD("mos200.rom", 0x40000, 0x4000, CRC(5e88f994) SHA1(76235ff15d736f5def338f73ac7497c41b916505), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "mos123", "MOS1.23" )
+ ROMX_LOAD("mos123.rom", 0x40000, 0x4000, CRC(90d31d08) SHA1(42a01892cf8bd2ada4db1c8b36aff80c85eb5dcb), ROM_BIOS(2))
+ ROM_SYSTEM_BIOS( 2, "mos120", "MOS1.20" )
+ ROMX_LOAD("mos120.rom", 0x40000, 0x4000, CRC(0a1e83a0) SHA1(21dc3a94eef7c003b194686730fb461779f44925), ROM_BIOS(3))
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 32K IN PAGE 3 */
+ /* rom page 3 0c000 SPARE SOCKET */
+ /* rom page 4 10000 32K IN PAGE 5 */
+ /* rom page 5 14000 DDFS */
+ /* rom page 6 18000 32K IN PAGE 7 */
+ /* rom page 7 1c000 ADFS */
+ /* rom page 8 20000 32K IN PAGE 9 */
+ /* rom page 9 24000 SPARE SOCKET */
+ /* rom page 10 28000 32K IN PAGE 11 */
+ /* rom page 11 2c000 SPARE SOCKET */
+ /* rom page 12 30000 */
+ /* rom page 13 34000 */
+ /* rom page 14 38000 32K IN PAGE 15 */
+ /* rom page 15 3C000 BASIC */
+ ROM_LOAD("ddfs223.rom", 0x14000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
+ ROM_LOAD("adfs130.rom", 0x1c000, 0x4000, CRC(d3855588) SHA1(301fd05c475a629c4bec70510d4507256a5b00d8))
+ ROM_LOAD("basic200.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(abc210)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos200")
+ ROM_SYSTEM_BIOS( 0, "mos200", "MOS2.00" )
+ ROMX_LOAD("mos200.rom", 0x40000, 0x4000, CRC(5e88f994) SHA1(76235ff15d736f5def338f73ac7497c41b916505), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "mos123", "MOS1.23" )
+ ROMX_LOAD("mos123.rom", 0x40000, 0x4000, CRC(90d31d08) SHA1(42a01892cf8bd2ada4db1c8b36aff80c85eb5dcb), ROM_BIOS(2))
+ ROM_SYSTEM_BIOS( 2, "mos120", "MOS1.20" )
+ ROMX_LOAD("mos120.rom", 0x40000, 0x4000, CRC(0a1e83a0) SHA1(21dc3a94eef7c003b194686730fb461779f44925), ROM_BIOS(3))
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 32K IN PAGE 3 */
+ /* rom page 3 0c000 SPARE SOCKET */
+ /* rom page 4 10000 32K IN PAGE 5 */
+ /* rom page 5 14000 DDFS */
+ /* rom page 6 18000 32K IN PAGE 7 */
+ /* rom page 7 1c000 ADFS */
+ /* rom page 8 20000 32K IN PAGE 9 */
+ /* rom page 9 24000 SPARE SOCKET */
+ /* rom page 10 28000 32K IN PAGE 11 */
+ /* rom page 11 2c000 SPARE SOCKET */
+ /* rom page 12 30000 */
+ /* rom page 13 34000 */
+ /* rom page 14 38000 32K IN PAGE 15 */
+ /* rom page 15 3C000 BASIC */
+ ROM_LOAD("ddfs223.rom", 0x14000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
+ ROM_LOAD("adfs130.rom", 0x1c000, 0x4000, CRC(d3855588) SHA1(301fd05c475a629c4bec70510d4507256a5b00d8))
+ ROM_LOAD("basic200.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(abc310)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos200")
+ ROM_SYSTEM_BIOS( 0, "mos200", "MOS2.00" )
+ ROMX_LOAD("mos200.rom", 0x40000, 0x4000, CRC(5e88f994) SHA1(76235ff15d736f5def338f73ac7497c41b916505), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "mos123", "MOS1.23" )
+ ROMX_LOAD("mos123.rom", 0x40000, 0x4000, CRC(90d31d08) SHA1(42a01892cf8bd2ada4db1c8b36aff80c85eb5dcb), ROM_BIOS(2))
+ ROM_SYSTEM_BIOS( 2, "mos120", "MOS1.20" )
+ ROMX_LOAD("mos120.rom", 0x40000, 0x4000, CRC(0a1e83a0) SHA1(21dc3a94eef7c003b194686730fb461779f44925), ROM_BIOS(3))
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 32K IN PAGE 3 */
+ /* rom page 3 0c000 SPARE SOCKET */
+ /* rom page 4 10000 32K IN PAGE 5 */
+ /* rom page 5 14000 DDFS */
+ /* rom page 6 18000 32K IN PAGE 7 */
+ /* rom page 7 1c000 ADFS */
+ /* rom page 8 20000 32K IN PAGE 9 */
+ /* rom page 9 24000 SPARE SOCKET */
+ /* rom page 10 28000 32K IN PAGE 11 */
+ /* rom page 11 2c000 SPARE SOCKET */
+ /* rom page 12 30000 */
+ /* rom page 13 34000 */
+ /* rom page 14 38000 32K IN PAGE 15 */
+ /* rom page 15 3C000 BASIC */
+ ROM_LOAD("ddfs223.rom", 0x14000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
+ ROM_LOAD("adfs130.rom", 0x1c000, 0x4000, CRC(d3855588) SHA1(301fd05c475a629c4bec70510d4507256a5b00d8))
+ ROM_LOAD("basic200.rom", 0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x8000, "vsm", 0) /* system speech PHROM */
+ ROM_LOAD("phroma.bin", 0x0000, 0x4000, CRC(98e1bf9e) SHA1(b369809275cb67dfd8a749265e91adb2d2558ae6))
+ROM_END
+
+
+ROM_START(reutapm)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ /* rom page 0 00000 */
+ /* rom page 1 04000 */
+ /* rom page 2 08000 32K IN PAGE 3 */
+ /* rom page 3 0c000 SPARE SOCKET */
+ /* rom page 4 10000 32K IN PAGE 5 */
+ /* rom page 5 14000 SPARE SOCKET */
+ /* rom page 6 18000 32K IN PAGE 7 */
+ /* rom page 7 1c000 SPARE SOCKET */
+ /* rom page 8 20000 32K IN PAGE 9 */
+ /* rom page 9 24000 SPARE SOCKET */
+ /* rom page 10 28000 32K IN PAGE 11 */
+ /* rom page 11 2c000 SPARE SOCKET */
+ /* rom page 12 30000 */
+ /* rom page 13 34000 */
+ /* rom page 14 38000 32K IN PAGE 15 */
+ /* rom page 15 3C000 SPARE SOCKET */
+ ROM_LOAD("reutera100.rom", 0x1c000, 0x4000, CRC(98ebabfb) SHA1(a7887e1e5c206203491e1e06682b9508b0fef49d))
+ ROM_LOAD("reuterb.rom", 0x2c000, 0x4000, CRC(9e02f59b) SHA1(1e63aa3bf4b37bf9ba41e454f95db05c3d15bfbf))
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_LOAD("mos_r030.rom", 0x0000, 0x4000, CRC(8b652337) SHA1(6a5c7ace255c8ac96c983d5ba67084fbd71ff61e))
+ROM_END
+
+
+ROM_START(bbcm)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos350")
+ ROM_SYSTEM_BIOS( 0, "mos350", "Enhanced MOS 3.50" )
+ ROMX_LOAD("mos350.ic24", 0x20000, 0x20000, CRC(141027b9) SHA1(85211b5bc7c7a269952d2b063b7ec0e1f0196803), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "mos320", "Original MOS 3.20" )
+ ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(2))
+ ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x20000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 Rear Cartridge bottom 16K */
+ /* 04000 rom 1 Rear Cartridge top 16K */
+ /* 08000 rom 2 Front Cartridge bottom 16K */
+ /* 0c000 rom 3 Front Cartridge top 16K */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 SPARE SOCKET */
+ /* 24000 rom 9 DFS + SRAM */
+ /* 28000 rom 10 Viewsheet */
+ /* 2c000 rom 11 Edit */
+ /* 30000 rom 12 BASIC */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 View + MOS code */
+ /* 3c000 rom 15 Terminal + Tube host + CFS */
+// ROM_LOAD("anfs424.rom", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) ) // TODO where to load this?
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x40,"rtc",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+ ROMX_LOAD("mos350.cmos", 0x00, 0x40, CRC(e84c1854) SHA1(f3cb7f12b7432caba28d067f01af575779220aac), ROM_BIOS(1))
+ ROMX_LOAD("mos320.cmos", 0x00, 0x40, CRC(c7f9e85a) SHA1(f24cc9db0525910689219f7204bf8b864033ee94), ROM_BIOS(2))
+ROM_END
+
+
+ROM_START(bbcmt)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos350")
+ ROM_SYSTEM_BIOS( 0, "mos350", "Enhanced MOS 3.50" )
+ ROMX_LOAD("mos350.ic24", 0x20000, 0x20000, CRC(141027b9) SHA1(85211b5bc7c7a269952d2b063b7ec0e1f0196803), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "mos320", "Original MOS 3.20" )
+ ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(2))
+ ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x20000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 Rear Cartridge bottom 16K */
+ /* 04000 rom 1 Rear Cartridge top 16K */
+ /* 08000 rom 2 Front Cartridge bottom 16K */
+ /* 0c000 rom 3 Front Cartridge top 16K */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 SPARE SOCKET */
+ /* 24000 rom 9 DFS + SRAM */
+ /* 28000 rom 10 Viewsheet */
+ /* 2c000 rom 11 Edit */
+ /* 30000 rom 12 BASIC */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 View + MOS code */
+ /* 3c000 rom 15 Terminal + Tube host + CFS */
+// ROM_LOAD("anfs424.ic27", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) ) // TODO where to load this?
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x40,"rtc",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+ ROMX_LOAD("mos350.cmos", 0x00, 0x40, CRC(e84c1854) SHA1(f3cb7f12b7432caba28d067f01af575779220aac), ROM_BIOS(1))
+ ROMX_LOAD("mos320.cmos", 0x00, 0x40, CRC(c7f9e85a) SHA1(f24cc9db0525910689219f7204bf8b864033ee94), ROM_BIOS(2))
+ROM_END
+
+
+ROM_START(bbcmaiv)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos320")
+ ROM_SYSTEM_BIOS( 0, "mos320", "MOS 3.20" )
+ ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(1))
+ ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x20000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 Rear Cartridge bottom 16K */
+ /* 04000 rom 1 Rear Cartridge top 16K */
+ /* 08000 rom 2 Front Cartridge bottom 16K */
+ /* 0c000 rom 3 Front Cartridge top 16K */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 VFS */
+ /* 24000 rom 9 DFS + SRAM */
+ /* 28000 rom 10 Viewsheet */
+ /* 2c000 rom 11 Edit */
+ /* 30000 rom 12 BASIC */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 View + MOS code */
+ /* 3c000 rom 15 Terminal + Tube host + CFS */
+ ROM_LOAD("vfs170.rom", 0x20000, 0x4000, CRC(b124a0bb) SHA1(ba31c757815cf470402d7829a70a0e1d3fb1355b) )
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x40,"rtc",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+ ROMX_LOAD("mos320aiv.cmos", 0x0E, 0x32, BAD_DUMP CRC(b9ae42a1) SHA1(abf3e94b013f24027ca36c96720963c3411e93f8), ROM_BIOS(1))
+ROM_END
+
+
+ROM_START(bbcmet)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos400")
+ ROM_SYSTEM_BIOS( 0, "mos400", "Econet MOS 4.00" )
+ ROMX_LOAD("mos400.ic24", 0x30000, 0x10000, BAD_DUMP CRC(81729034) SHA1(d4bc2c7f5e66b5298786138f395908e70c772971), ROM_BIOS(1)) /* Merged individual ROM bank dumps */
+ ROM_COPY("option", 0x34000, 0x24000, 0xC000) /* Mirror */
+ ROM_COPY("option", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x30000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 Rear Cartridge bottom 16K */
+ /* 04000 rom 1 Rear Cartridge top 16K */
+ /* 08000 rom 2 Front Cartridge bottom 16K */
+ /* 0c000 rom 3 Front Cartridge top 16K */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 NO SOCKET */
+ /* 24000 rom 9 BASIC */
+ /* 28000 rom 10 ANFS */
+ /* 2c000 rom 11 MOS code */
+ /* 30000 rom 12 UNUSED */
+ /* 34000 rom 13 BASIC */
+ /* 38000 rom 14 ANFS */
+ /* 3c000 rom 15 MOS code */
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x40,"rtc",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+ ROMX_LOAD("mos400.cmos", 0x0E, 0x32, BAD_DUMP CRC(fff41cc5) SHA1(3607568758f90b3bd6c7dc9533e2aa24f9806ff3), ROM_BIOS(1))
+ROM_END
+
+
+ROM_START(bbcm512)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos350")
+ ROM_SYSTEM_BIOS( 0, "mos350", "Enhanced MOS 3.50" )
+ ROMX_LOAD("mos350.ic24", 0x20000, 0x20000, CRC(141027b9) SHA1(85211b5bc7c7a269952d2b063b7ec0e1f0196803), ROM_BIOS(1))
+ ROM_SYSTEM_BIOS( 1, "mos320", "Original MOS 3.20" )
+ ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(2))
+ ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x20000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 Rear Cartridge bottom 16K */
+ /* 04000 rom 1 Rear Cartridge top 16K */
+ /* 08000 rom 2 Front Cartridge bottom 16K */
+ /* 0c000 rom 3 Front Cartridge top 16K */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 SPARE SOCKET */
+ /* 24000 rom 9 DFS + SRAM */
+ /* 28000 rom 10 Viewsheet */
+ /* 2c000 rom 11 Edit */
+ /* 30000 rom 12 BASIC */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 View + MOS code */
+ /* 3c000 rom 15 Terminal + Tube host + CFS */
+// ROM_LOAD("anfs424.ic27", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) )
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x40,"rtc",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+ ROMX_LOAD("mos350.cmos", 0x00, 0x40, CRC(e84c1854) SHA1(f3cb7f12b7432caba28d067f01af575779220aac), ROM_BIOS(1))
+ ROMX_LOAD("mos320.cmos", 0x00, 0x40, CRC(c7f9e85a) SHA1(f24cc9db0525910689219f7204bf8b864033ee94), ROM_BIOS(2))
+ROM_END
+
+
+ROM_START(bbcmarm)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos320")
+ ROM_SYSTEM_BIOS( 0, "mos320", "Original MOS 3.20" )
+ ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(1))
+ ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x20000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 Rear Cartridge bottom 16K */
+ /* 04000 rom 1 Rear Cartridge top 16K */
+ /* 08000 rom 2 Front Cartridge bottom 16K */
+ /* 0c000 rom 3 Front Cartridge top 16K */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 SPARE SOCKET */
+ /* 24000 rom 9 DFS + SRAM */
+ /* 28000 rom 10 Viewsheet */
+ /* 2c000 rom 11 Edit */
+ /* 30000 rom 12 BASIC */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 View + MOS code */
+ /* 3c000 rom 15 Terminal + Tube host + CFS */
+// ROM_LOAD("anfs424.ic27", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) )
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ ROM_REGION(0x40,"rtc",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+ ROMX_LOAD("mos320arm.cmos", 0x00, 0x40, CRC(56117257) SHA1(ed98563bef18f9d2a0b2d941cd20823d760fb127), ROM_BIOS(1))
+ROM_END
+
+
+ROM_START(bbcmc)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos510")
+ ROM_SYSTEM_BIOS( 0, "mos510", "Enhanced MOS 5.10" )
+ ROMX_LOAD("mos510.ic49", 0x30000, 0x10000, BAD_DUMP CRC(9a2a6086) SHA1(094ab37b0b6437c4f1653eaa0602ef102737adb6), ROM_BIOS(1)) /* Merged individual ROM bank dumps */
+ ROM_SYSTEM_BIOS( 1, "mos500", "Original MOS 5.00" )
+ ROMX_LOAD("mos500.ic49", 0x30000, 0x10000, BAD_DUMP CRC(f6170023) SHA1(140d002d2d9cd34b47197a2ba823505af2a84633), ROM_BIOS(2)) /* Merged individual ROM bank dumps */
+ ROM_COPY("option", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x30000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 EXTERNAL */
+ /* 04000 rom 1 EXTERNAL */
+ /* 08000 rom 2 SPARE SOCKET */
+ /* 0c000 rom 3 SPARE SOCKET */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 SPARE SOCKET */
+ /* 24000 rom 9 UNUSED */
+ /* 28000 rom 10 UNUSED */
+ /* 2c000 rom 11 UNUSED */
+ /* 30000 rom 12 UNUSED */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 BASIC */
+ /* 3c000 rom 15 Utils */
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+// ROM_REGION(0x80,"mc146818",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+// ROM_LOAD("mos500.cmos", 0x00, 0x80, CRC(d8458039) SHA1(72c056d493e74ceca41f48936012b012b496a226))
+ROM_END
+
+
+ROM_START(bbcmc_ar)
+ ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000,"option",0) /* ROM */
+ ROM_DEFAULT_BIOS("mos511i")
+ ROM_SYSTEM_BIOS( 0, "mos511i", "International MOS 5.11" )
+ ROMX_LOAD("mos511.ic49", 0x30000, 0x10000, BAD_DUMP CRC(8708803c) SHA1(d2170c8b9b536f3ad84a4a603a7fe712500cc751), ROM_BIOS(1)) /* Merged individual ROM bank dumps */
+ ROM_COPY("option", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x30000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 EXTERNAL */
+ /* 04000 rom 1 EXTERNAL */
+ /* 08000 rom 2 International */
+ /* 0c000 rom 3 SPARE SOCKET */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 Arabian */
+ /* 24000 rom 9 UNUSED */
+ /* 28000 rom 10 UNUSED */
+ /* 2c000 rom 11 UNUSED */
+ /* 30000 rom 12 UNUSED */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 BASIC */
+ /* 3c000 rom 15 Utils */
+ ROM_LOAD("international16.rom", 0x8000 , 0x4000, CRC(0ef527b1) SHA1(dc5149ccf588cd591a6ad47727474ef3313272ce) )
+ ROM_LOAD("arabian-c22.rom" , 0x20000, 0x4000, CRC(4f3aadff) SHA1(2bbf61ba68264ce5845aab9c54e750b0efe219c8) )
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+// ROM_REGION(0x80,"mc146818",0) /* mc146818 */
+ /* Factory defaulted CMOS RAM, sets default language ROM, etc. */
+// ROM_LOAD("mos500.cmos", 0x00, 0x80, CRC(d8458039) SHA1(72c056d493e74ceca41f48936012b012b496a226))
+ROM_END
+
+
+ROM_START(pro128s)
+ ROM_REGION(0x10000, "maincpu", ROMREGION_ERASEFF) /* ROM MEMORY */
+
+ ROM_REGION(0x44000, "option", 0) /* ROM */
+ ROM_DEFAULT_BIOS("mos510o")
+ ROM_SYSTEM_BIOS(0, "mos510o", "Olivetti MOS 5.10")
+ ROMX_LOAD("mos510o.ic49", 0x30000, 0x10000, CRC(c16858d3) SHA1(ad231ed21a55e493b553703285530d1cacd3de7a), ROM_BIOS(1))
+ ROM_COPY("option", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
+ ROM_FILL(0x30000, 0x4000, 0xFFFF)
+ /* 00000 rom 0 EXTERNAL */
+ /* 04000 rom 1 EXTERNAL */
+ /* 08000 rom 2 SPARE SOCKET */
+ /* 0c000 rom 3 SPARE SOCKET */
+ /* 10000 rom 4 SWRAM */
+ /* 14000 rom 5 SWRAM */
+ /* 18000 rom 6 SWRAM */
+ /* 1c000 rom 7 SWRAM */
+ /* 20000 rom 8 SPARE SOCKET */
+ /* 24000 rom 9 UNUSED */
+ /* 28000 rom 10 UNUSED */
+ /* 2c000 rom 11 UNUSED */
+ /* 30000 rom 12 UNUSED */
+ /* 34000 rom 13 ADFS */
+ /* 38000 rom 14 BASIC */
+ /* 3c000 rom 15 Utils */
+
+ ROM_REGION(0x4000, "os", 0)
+ ROM_COPY("option", 0x40000, 0, 0x4000)
+
+ // ROM_REGION(0x80,"eeprom",0) /* pcd8572 */
+ /* Factory defaulted EEPROM, sets default language ROM, etc. */
+ // ROM_LOAD("mos510o.epr", 0x00, 0x80, CRC(d8458039) SHA1(72c056d493e74ceca41f48936012b012b496a226))
+ROM_END
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
+COMP ( 1981, bbcb, 0, bbca, bbcb, bbcb, bbc_state, bbc, "Acorn", "BBC Micro Model B w/8271 FDC", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1981, bbca, bbcb, 0, bbca, bbca, bbc_state, bbc, "Acorn", "BBC Micro Model A", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1981, bbcb_de, bbcb, 0, bbcb_de, bbcb, bbc_state, bbc, "Acorn", "BBC Micro Model B (German)", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1983, bbcb_us, bbcb, 0, bbcb_us, bbcb, bbc_state, bbc, "Acorn", "BBC Micro Model B (US)", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1985, bbcb1770, bbcb, 0, bbcb1770, bbcb, bbc_state, bbc, "Acorn", "BBC Micro Model B w/1770 FDC", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1985, bbcbp, 0, bbcb, bbcbp, bbcb, bbc_state, bbc, "Acorn", "BBC Micro Model B+ 64K", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1985, bbcbp128, bbcbp, 0, bbcbp128, bbcb, bbc_state, bbc, "Acorn", "BBC Micro Model B+ 128K", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1985, abc110, abc210, 0, abc110, abc, bbc_state, bbc, "Acorn", "ABC 110", MACHINE_NOT_WORKING)
+COMP ( 1985, abc210, 0, 0, abc210, abc, bbc_state, bbc, "Acorn", "ABC 210/Cambridge Workstation", MACHINE_NOT_WORKING)
+COMP ( 1985, abc310, abc210, 0, abc310, abc, bbc_state, bbc, "Acorn", "ABC 310", MACHINE_NOT_WORKING)
+COMP ( 1985, reutapm, 0, 0, reutapm, bbcb, bbc_state, bbc, "Acorn", "Reuters APM", MACHINE_NO_SOUND | MACHINE_NOT_WORKING)
+COMP ( 1986, bbcm, 0, bbcb, bbcm, bbcm, bbc_state, bbc, "Acorn", "BBC Master 128", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1986, bbcmt, bbcm, 0, bbcmt, bbcm, bbc_state, bbc, "Acorn", "BBC Master Turbo", MACHINE_NOT_WORKING)
+COMP ( 1986, bbcmaiv, bbcm, 0, bbcmaiv, bbcm, bbc_state, bbc, "Acorn", "BBC Master AIV", MACHINE_NOT_WORKING)
+COMP ( 1986, bbcmet, bbcm, 0, bbcmet, bbcm, bbc_state, bbc, "Acorn", "BBC Master ET", MACHINE_NO_SOUND | MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1986, bbcm512, bbcm, 0, bbcm512, bbcm, bbc_state, bbc, "Acorn", "BBC Master 512", MACHINE_NOT_WORKING)
+COMP ( 1986, bbcmarm, bbcm, 0, bbcmarm, bbcm, bbc_state, bbc, "Acorn", "ARM Evaluation System", MACHINE_NOT_WORKING)
+COMP ( 1986, bbcmc, 0, bbcm, bbcmc, bbcm, bbc_state, bbc, "Acorn", "BBC Master Compact", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1986, bbcmc_ar, bbcmc, 0, bbcmc, bbcm, bbc_state, bbc, "Acorn", "BBC Master Compact (Arabic)", MACHINE_IMPERFECT_GRAPHICS)
+COMP ( 1987, pro128s, bbcmc, 0, pro128s, bbcm, bbc_state, bbc, "Olivetti", "Prodest PC 128S", MACHINE_IMPERFECT_GRAPHICS)