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r32628 Friday 10th October, 2014 at 16:29:46 UTC by Fabio Priuli
(MESS) bbc: converted to use generic cart slots and clarified a bit more what banks is mapped where by using memory bank configure_entries & set_entry. nw.

[src/mess/drivers]	bbc.c
[src/mess/includes]	bbc.h
[src/mess/machine]	bbc.c

trunk/src/mess/drivers/bbc.c

r32627	r32628
159	159	AM_RANGE(0xfea0, 0xfebf) AM_READ(bbc_fe_r)                                                  /*    fea0-febf  68B54 ADLC     # ECONET controller             */
160	160	AM_RANGE(0xfec0, 0xfedf) AM_NOP                                                             /*    fec0-fedf  uPD7002        # Analogue to digital converter */
161	161	AM_RANGE(0xfee0, 0xfeff) AM_READ(bbc_fe_r)                                                  /*    fee0-feff  Tube ULA       # Tube system interface         */
162		AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("user1", 0x13f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
	162	AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
163	163	ADDRESS_MAP_END
164	164
165	165
r32627	r32628
187	187	AM_RANGE(0xfea0, 0xfebf) AM_READ(bbc_fe_r)                                                  /*    fea0-febf  68B54 ADLC     ECONET controller               */
188	188	AM_RANGE(0xfec0, 0xfedf) AM_DEVREADWRITE("upd7002", upd7002_device, read, write)            /*    fec0-fedf  uPD7002        Analogue to digital converter   */
189	189	AM_RANGE(0xfee0, 0xfeff) AM_READ(bbc_fe_r)                                                  /*    fee0-feff  Tube ULA       Tube system interface           */
190		AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("user1", 0x43f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
	190	AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
191	191	ADDRESS_MAP_END
192	192
193	193
r32627	r32628
216	216	AM_RANGE(0xfea0, 0xfebf) AM_READ(bbc_fe_r)                                                  /*    fea0-febf  68B54 ADLC     ECONET controller               */
217	217	AM_RANGE(0xfec0, 0xfedf) AM_DEVREADWRITE("upd7002", upd7002_device, read, write)            /*    fec0-fedf  uPD7002        Analogue to digital converter   */
218	218	AM_RANGE(0xfee0, 0xfeff) AM_READ(bbc_fe_r)                                                  /*    fee0-feff  Tube ULA       Tube system interface           */
219		AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("user1", 0x43f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
	219	AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
220	220	ADDRESS_MAP_END
221	221
222	222
r32627	r32628
246	246	AM_RANGE(0xfea0, 0xfebf) AM_READ(bbc_fe_r)                                                  /*    fea0-febf  68B54 ADLC     ECONET controller               */
247	247	AM_RANGE(0xfec0, 0xfedf) AM_DEVREADWRITE("upd7002", upd7002_device, read, write)            /*    fec0-fedf  uPD7002        Analogue to digital converter   */
248	248	AM_RANGE(0xfee0, 0xfeff) AM_READ(bbc_fe_r)                                                  /*    fee0-feff  Tube ULA       Tube system interface           */
249		AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("user1", 0x43f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
	249	AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00)                                 /*    ff00-ffff                 OS Rom (continued)              */
250	250	ADDRESS_MAP_END
251	251
252	252
r32627	r32628
280	280	AM_RANGE(0x8000, 0x8fff) AM_READ_BANK("bank4") AM_WRITE(bbc_memorybm4_w)                    /*    8000-8fff                 Paged ROM/RAM or 4K of RAM ANDY */
281	281	AM_RANGE(0x9000, 0xbfff) AM_READ_BANK("bank5") AM_WRITE(bbc_memorybm5_w)                    /*    9000-bfff                 Rest of paged ROM/RAM area      */
282	282	AM_RANGE(0xc000, 0xdfff) AM_READ_BANK("bank7") AM_WRITE(bbc_memorybm7_w)                    /*    c000-dfff                 OS ROM or 8K of RAM       HAZEL */
283		AM_RANGE(0xe000, 0xfbff) AM_ROM AM_REGION("user1", 0x42000)                                 /*    e000-fbff                 OS ROM                          */
	283	AM_RANGE(0xe000, 0xfbff) AM_ROM AM_REGION("os", 0x2000)                                 /*    e000-fbff                 OS ROM                          */
284	284	AM_RANGE(0xfc00, 0xfeff) AM_READ_BANK("bank8") AM_WRITE(bbcm_w)                             /*    this is now processed directly because it can be ROM or hardware */
285		AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("user1", 0x43f00)                                 /*    ff00-ffff                 OS ROM (continued)              */
	285	AM_RANGE(0xff00, 0xffff) AM_ROM AM_REGION("os", 0x3f00)                                 /*    ff00-ffff                 OS ROM (continued)              */
286	286	ADDRESS_MAP_END
287	287
288	288
r32627	r32628
313	313	/*  Port                                        Key description                 Emulated key                    Natural key         Shift 1         Shift 2 (Ctrl) */
314	314
315	315	static INPUT_PORTS_START(bbc_keyboard)
316		PORT_START("COL0")  /* KEYBOARD COLUMN 0 */
	316	PORT_START("COL0")
317	317	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT")              PORT_CODE(KEYCODE_RSHIFT) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
318	318	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q")                  PORT_CODE(KEYCODE_Q)            PORT_CHAR('Q')
319	319	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F0")                 PORT_CODE(KEYCODE_F1)           PORT_CHAR(UCHAR_MAMEKEY(F1))
r32627	r32628
323	323	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TAB")                PORT_CODE(KEYCODE_TAB)          PORT_CHAR('\t')
324	324	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ESCAPE")             PORT_CODE(KEYCODE_ESC)          PORT_CHAR(UCHAR_MAMEKEY(ESC))
325	325
326		PORT_START("COL1")  /* KEYBOARD COLUMN 1 */
	326	PORT_START("COL1")
327	327	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CTRL")               PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
328	328	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 #")                PORT_CODE(KEYCODE_3)            PORT_CHAR('3')      PORT_CHAR('#')
329	329	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W")                  PORT_CODE(KEYCODE_W)            PORT_CHAR('W')
r32627	r32628
333	333	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z")                  PORT_CODE(KEYCODE_Z)            PORT_CHAR('Z')
334	334	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F1")                 PORT_CODE(KEYCODE_F2)           PORT_CHAR(UCHAR_MAMEKEY(F2))
335	335
336		PORT_START("COL2")  /* KEYBOARD COLUMN 2 */
	336	PORT_START("COL2")
337	337	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
338	338	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4")                  PORT_CODE(KEYCODE_4)            PORT_CHAR('4')      PORT_CHAR('$')
339	339	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E")                  PORT_CODE(KEYCODE_E)            PORT_CHAR('E')
r32627	r32628
343	343	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE")              PORT_CODE(KEYCODE_SPACE)        PORT_CHAR(' ')
344	344	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F2")                 PORT_CODE(KEYCODE_F3)           PORT_CHAR(UCHAR_MAMEKEY(F3))
345	345
346		PORT_START("COL3")  /* KEYBOARD COLUMN 3 */
	346	PORT_START("COL3")
347	347	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
348	348	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 %")                PORT_CODE(KEYCODE_5)            PORT_CHAR('5')      PORT_CHAR('%')
349	349	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T")                  PORT_CODE(KEYCODE_T)            PORT_CHAR('T')
r32627	r32628
353	353	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V")                  PORT_CODE(KEYCODE_V)            PORT_CHAR('V')
354	354	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F3")                 PORT_CODE(KEYCODE_F4)           PORT_CHAR(UCHAR_MAMEKEY(F4))
355	355
356		PORT_START("COL4")  /* KEYBOARD COLUMN 4 */
	356	PORT_START("COL4")
357	357	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
358	358	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F4")                 PORT_CODE(KEYCODE_F5)           PORT_CHAR(UCHAR_MAMEKEY(F5))
359	359	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 \\")               PORT_CODE(KEYCODE_7)            PORT_CHAR('7')      PORT_CHAR('\'')
r32627	r32628
363	363	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B")                  PORT_CODE(KEYCODE_B)            PORT_CHAR('B')
364	364	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F5")                 PORT_CODE(KEYCODE_F6)           PORT_CHAR(UCHAR_MAMEKEY(F6))
365	365
366		PORT_START("COL5")  /* KEYBOARD COLUMN 5 */
	366	PORT_START("COL5")
367	367	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
368	368	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 (")                PORT_CODE(KEYCODE_8)            PORT_CHAR('8')      PORT_CHAR('(')
369	369	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I")                  PORT_CODE(KEYCODE_I)            PORT_CHAR('I')
r32627	r32628
373	373	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M")                  PORT_CODE(KEYCODE_M)            PORT_CHAR('M')
374	374	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F6")                 PORT_CODE(KEYCODE_F7)           PORT_CHAR(UCHAR_MAMEKEY(F7))
375	375
376		PORT_START("COL6")  /* KEYBOARD COLUMN 6 */
	376	PORT_START("COL6")
377	377	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
378	378	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F7")                 PORT_CODE(KEYCODE_F8)           PORT_CHAR(UCHAR_MAMEKEY(F8))
379	379	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 )")                PORT_CODE(KEYCODE_9)            PORT_CHAR('9')      PORT_CHAR(')')
r32627	r32628
383	383	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", <")                PORT_CODE(KEYCODE_COMMA)        PORT_CHAR(',')      PORT_CHAR('<')
384	384	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F8")                 PORT_CODE(KEYCODE_F9)           PORT_CHAR(UCHAR_MAMEKEY(F9))
385	385
386		PORT_START("COL7")  /* KEYBOARD COLUMN 7 */
	386	PORT_START("COL7")
387	387	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
388	388	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- =")                PORT_CODE(KEYCODE_MINUS)        PORT_CHAR('-')      PORT_CHAR('=')
389	389	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0")                  PORT_CODE(KEYCODE_0)            PORT_CHAR('0')
r32627	r32628
393	393	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". >")                PORT_CODE(KEYCODE_STOP)         PORT_CHAR('.')      PORT_CHAR('>')
394	394	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F9")                 PORT_CODE(KEYCODE_F10)          PORT_CHAR(UCHAR_MAMEKEY(F10))
395	395
396		PORT_START("COL8")  /* KEYBOARD COLUMN 8 */
	396	PORT_START("COL8")
397	397	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
398	398	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("^ ~")                PORT_CODE(KEYCODE_EQUALS)       PORT_CHAR('^') PORT_CHAR('~')
399	399	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("_ \xC2\xA3")         PORT_CODE(KEYCODE_TILDE)        PORT_CHAR('_') PORT_CHAR('\xA3')
r32627	r32628
403	403	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ?")                PORT_CODE(KEYCODE_SLASH)        PORT_CHAR('/') PORT_CHAR('?')
404	404	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\ |")               PORT_CODE(KEYCODE_BACKSLASH2)   PORT_CHAR('\\') PORT_CHAR('|')
405	405
406		PORT_START("COL9")  /* KEYBOARD COLUMN 9 */
	406	PORT_START("COL9")
407	407	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
408	408	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEFT")               PORT_CODE(KEYCODE_LEFT)         PORT_CHAR(UCHAR_MAMEKEY(LEFT))
409	409	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DOWN")               PORT_CODE(KEYCODE_DOWN)         PORT_CHAR(UCHAR_MAMEKEY(DOWN))
r32627	r32628
413	413	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("COPY")               PORT_CODE(KEYCODE_END)          PORT_CHAR(UCHAR_MAMEKEY(END))
414	414	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RIGHT")              PORT_CODE(KEYCODE_RIGHT)        PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
415	415
416		PORT_START("BRK")  /* BREAK */
	416	PORT_START("BRK")
417	417	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)
418	418
419	419	/* Keyboard columns 10 -> 12 are reserved for BBC Master */
r32627	r32628
428	428
429	429
430	430	static INPUT_PORTS_START(bbc_keypad)
431		PORT_MODIFY("COL10")  /* KEYBOARD COLUMN 10 */
	431	PORT_MODIFY("COL10")
432	432	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
433	433	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 6")           PORT_CODE(KEYCODE_6_PAD)        PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
434	434	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 8")           PORT_CODE(KEYCODE_8_PAD)        PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
r32627	r32628
438	438	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 0")           PORT_CODE(KEYCODE_0_PAD)        PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
439	439	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 4")           PORT_CODE(KEYCODE_4_PAD)        PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
440	440
441		PORT_MODIFY("COL11")  /* KEYBOARD COLUMN 11 */
	441	PORT_MODIFY("COL11")
442	442	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
443	443	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 7")           PORT_CODE(KEYCODE_7_PAD)        PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
444	444	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 9")           PORT_CODE(KEYCODE_9_PAD)        PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
r32627	r32628
448	448	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 1")           PORT_CODE(KEYCODE_1_PAD)        PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
449	449	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad 5")           PORT_CODE(KEYCODE_5_PAD)        PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
450	450
451		PORT_MODIFY("COL12")  /* KEYBOARD COLUMN 12 */
	451	PORT_MODIFY("COL12")
452	452	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
453	453	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
454	454	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
r32627	r32628
461	461
462	462
463	463	static INPUT_PORTS_START(bbc_dipswitch)
464		PORT_MODIFY("COL2")  /* KEYBOARD COLUMN 2 */
	464	PORT_MODIFY("COL2")
465	465	PORT_DIPNAME(0x01, 0x01, "DIP 8 (Default File System)")
466	466	PORT_DIPSETTING(   0x00, "NFS" )
467	467	PORT_DIPSETTING(   0x01, "DFS" )
468	468
469		PORT_MODIFY("COL3")  /* KEYBOARD COLUMN 3 */
	469	PORT_MODIFY("COL3")
470	470	PORT_DIPNAME(0x01, 0x01, "DIP 7 (Not Used)")
471	471	PORT_DIPSETTING(   0x00, DEF_STR( Off ))
472	472	PORT_DIPSETTING(   0x01, DEF_STR( On ))
473	473
474		PORT_MODIFY("COL4")  /* KEYBOARD COLUMN 4 */
	474	PORT_MODIFY("COL4")
475	475	PORT_DIPNAME(0x01, 0x01, "DIP 6 (Disc Timings)")
476	476	PORT_DIPSETTING(   0x00, DEF_STR( Off ))
477	477	PORT_DIPSETTING(   0x01, DEF_STR( On ))
478	478
479		PORT_MODIFY("COL5")  /* KEYBOARD COLUMN 5 */
	479	PORT_MODIFY("COL5")
480	480	PORT_DIPNAME(0x01, 0x01, "DIP 5 (Disc Timings)")
481	481	PORT_DIPSETTING(   0x00, DEF_STR( Off ))
482	482	PORT_DIPSETTING(   0x01, DEF_STR( On ))
483	483
484		PORT_MODIFY("COL6")  /* KEYBOARD COLUMN 6 */
	484	PORT_MODIFY("COL6")
485	485	PORT_DIPNAME(0x01, 0x01, "DIP 4 (Boot)")
486	486	PORT_DIPSETTING(   0x00, "SHIFT" )
487	487	PORT_DIPSETTING(   0x01, "SHIFT-BREAK" )
488	488
489		PORT_MODIFY("COL7")  /* KEYBOARD COLUMN 7 */
	489	PORT_MODIFY("COL7")
490	490	PORT_DIPNAME(0x01, 0x01, "DIP 3 (Screen Mode)")
491	491	PORT_DIPSETTING(   0x00, "+0" )
492	492	PORT_DIPSETTING(   0x01, "+4" )
493	493
494		PORT_MODIFY("COL8")  /* KEYBOARD COLUMN 8 */
	494	PORT_MODIFY("COL8")
495	495	PORT_DIPNAME(0x01, 0x01, "DIP 2 (Screen Mode)")
496	496	PORT_DIPSETTING(   0x00, "+0" )
497	497	PORT_DIPSETTING(   0x01, "+2" )
498	498
499		PORT_MODIFY("COL9")  /* KEYBOARD COLUMN 9 */
	499	PORT_MODIFY("COL9")
500	500	PORT_DIPNAME(0x01, 0x01, "DIP 1 (Screen Mode)")
501	501	PORT_DIPSETTING(   0x00, "+0" )
502	502	PORT_DIPSETTING(   0x01, "+1" )
r32627	r32628
614	614	m_adlc->txc_w(state);
615	615	}
616	616
617		static MACHINE_CONFIG_FRAGMENT( bbc_cartslot )
618		MCFG_CARTSLOT_ADD("exp_rom1")
619		MCFG_CARTSLOT_EXTENSION_LIST("rom")
620		MCFG_CARTSLOT_NOT_MANDATORY
621		MCFG_CARTSLOT_LOAD(bbc_state, bbc_exp_rom)
622		MCFG_CARTSLOT_INTERFACE("bbc_cart")
	617	// 4 x EPROM sockets (16K) in BBC-A, these should grow to 16 for BBC-B and later...
	618	static MACHINE_CONFIG_FRAGMENT( bbc_eprom_sockets )
	619	MCFG_GENERIC_SOCKET_ADD("exp_rom1", generic_linear_slot, "bbc_cart")
	620	MCFG_GENERIC_EXTENSIONS("bin,rom")
	621	MCFG_GENERIC_LOAD(bbc_state, exp1_load)
623	622
624		MCFG_CARTSLOT_ADD("exp_rom2")
625		MCFG_CARTSLOT_EXTENSION_LIST("rom")
626		MCFG_CARTSLOT_NOT_MANDATORY
627		MCFG_CARTSLOT_LOAD(bbc_state, bbc_exp_rom)
628		MCFG_CARTSLOT_INTERFACE("bbc_cart")
	623	MCFG_GENERIC_SOCKET_ADD("exp_rom2", generic_linear_slot, "bbc_cart")
	624	MCFG_GENERIC_EXTENSIONS("bin,rom")
	625	MCFG_GENERIC_LOAD(bbc_state, exp2_load)
629	626
630		MCFG_CARTSLOT_ADD("exp_rom3")
631		MCFG_CARTSLOT_EXTENSION_LIST("rom")
632		MCFG_CARTSLOT_NOT_MANDATORY
633		MCFG_CARTSLOT_LOAD(bbc_state, bbc_exp_rom)
634		MCFG_CARTSLOT_INTERFACE("bbc_cart")
	627	MCFG_GENERIC_SOCKET_ADD("exp_rom3", generic_linear_slot, "bbc_cart")
	628	MCFG_GENERIC_EXTENSIONS("bin,rom")
	629	MCFG_GENERIC_LOAD(bbc_state, exp3_load)
635	630
636		MCFG_CARTSLOT_ADD("exp_rom4")
637		MCFG_CARTSLOT_EXTENSION_LIST("rom")
638		MCFG_CARTSLOT_NOT_MANDATORY
639		MCFG_CARTSLOT_LOAD(bbc_state, bbc_exp_rom)
640		MCFG_CARTSLOT_INTERFACE("bbc_cart")
	631	MCFG_GENERIC_SOCKET_ADD("exp_rom4", generic_linear_slot, "bbc_cart")
	632	MCFG_GENERIC_EXTENSIONS("bin,rom")
	633	MCFG_GENERIC_LOAD(bbc_state, exp4_load)
641	634	MACHINE_CONFIG_END
642	635
643	636
r32627	r32628
718	711	MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(bbc_state, bbcb_via_system_write_porta))
719	712	MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(bbc_state, bbcb_via_system_write_portb))
720	713	MCFG_VIA6522_IRQ_HANDLER(WRITELINE(bbc_state, bbcb_via_system_irq_w))
	714
	715	/* EPROM sockets */
	716	MCFG_FRAGMENT_ADD(bbc_eprom_sockets)
721	717	MACHINE_CONFIG_END
722	718
723	719
r32627	r32628
770	766
771	767	MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(bbc_floppy_interface)
772	768
773		/* cartridges */
774		MCFG_FRAGMENT_ADD(bbc_cartslot)
775
776	769	/* software lists */
777	770	MCFG_DEVICE_REMOVE("cass_ls_a")
778	771	MCFG_SOFTWARE_LIST_ADD("cass_ls_b", "bbcb_cass")
r32627	r32628
835	828
836	829	MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(bbc_floppy_interface)
837	830
838		/* cartridges */
839		MCFG_FRAGMENT_ADD(bbc_cartslot)
840
841	831	/* software lists */
842	832	MCFG_DEVICE_REMOVE("cass_ls_a")
843	833	MCFG_SOFTWARE_LIST_ADD("cass_ls_b", "bbcb_cass")
r32627	r32628
941	931	MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY)
942	932	MCFG_CASSETTE_INTERFACE("bbc_cass")
943	933
944		/* cartridges */
945		MCFG_CARTSLOT_ADD("cart1")
946		MCFG_CARTSLOT_EXTENSION_LIST("bin")
947		MCFG_CARTSLOT_NOT_MANDATORY
948		MCFG_CARTSLOT_LOAD(bbc_state, bbcm_cart)
949		MCFG_CARTSLOT_INTERFACE("bbcm_cart")
950		MCFG_CARTSLOT_ADD("cart2")
951		MCFG_CARTSLOT_EXTENSION_LIST("bin")
952		MCFG_CARTSLOT_NOT_MANDATORY
953		MCFG_CARTSLOT_LOAD(bbc_state, bbcm_cart)
954		MCFG_CARTSLOT_INTERFACE("bbcm_cart")
	934	// 2 x EPROM sockets (32K) in BBC-Master
	935	MCFG_GENERIC_SOCKET_ADD("exp_rom1", generic_plain_slot, "bbcm_cart")
	936	MCFG_GENERIC_LOAD(bbc_state, bbcm_exp1_load)
955	937
	938	MCFG_GENERIC_SOCKET_ADD("exp_rom2", generic_plain_slot, "bbcm_cart")
	939	MCFG_GENERIC_LOAD(bbc_state, bbcm_exp2_load)
	940
956	941	/* software lists */
957	942	MCFG_SOFTWARE_LIST_ADD("cass_ls_m", "bbcm_cass")
958	943	MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("cass_ls_a", "bbca_cass")
r32627	r32628
1002	987
1003	988	MCFG_LEGACY_FLOPPY_2_DRIVES_ADD(bbc_floppy_interface)
1004	989
1005		/* rom slots */
1006		MCFG_FRAGMENT_ADD(bbc_cartslot)
1007
1008	990	/* econet */
1009	991	MCFG_DEVICE_ADD("mc6854", MC6854, 0)
1010	992	MCFG_MC6854_OUT_TXD_CB(DEVWRITELINE(ECONET_TAG, econet_device, data_w))
r32627	r32628
1103	1085	ROM_START(bbca)
1104	1086	ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
1105	1087
1106		ROM_REGION(0x14000,"user1",0) /* ROM */
	1088	ROM_REGION(0x14000,"option",0) /* ROM */
1107	1089	/* rom page 0  00000 */
1108	1090	/* rom page 1  04000 */
1109	1091	/* rom page 2  08000 */
r32627	r32628
1133	1115	ROMX_LOAD("basic1.rom", 0x04000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(6)) /* rom page 1  04000 */
1134	1116	ROMX_LOAD("basic1.rom", 0x08000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(6)) /* rom page 2  08000 */
1135	1117	ROMX_LOAD("basic1.rom", 0x0c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(6)) /* rom page 3  0c000 */
	1118
	1119	ROM_REGION(0x4000, "os", 0)
	1120	ROM_COPY("option", 0x10000, 0, 0x4000)
1136	1121	ROM_END
1137	1122
1138	1123
	1124
1139	1125	/*  0000- 7fff  ram */
1140		/*  8000- bfff  not used, this area is mapped over with one of the roms at 10000 and above */
1141		/*  c000- ffff  OS rom and memory mapped hardware at fc00-feff */
1142		/* 10000-4ffff  16 paged rom banks mapped back into 8000-bfff by the page rom select */
	1126	/*  8000- bfff  this area is mapped over with one of the roms from "option" region 0x00000-0x40000 */
	1127	/*  c000- ffff  OS rom and memory mapped hardware at fc00-feff, from "option" region 0x40000-0x44000 */
1143	1128
1144	1129
1145	1130	ROM_START(bbcb)
1146	1131	ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
1147	1132
1148		ROM_REGION(0x44000,"user1",0) /* ROM */
	1133	ROM_REGION(0x44000,"option",0) /* ROM */
1149	1134	/* rom page 0  00000 */
1150	1135	/* rom page 1  04000 */
1151	1136	/* rom page 2  08000 */
r32627	r32628
1176	1161	ROMX_LOAD("os10.rom",   0x40000, 0x4000, CRC(9679b8f8) SHA1(d35f6723132aabe3c4d00fc16fd9ecc6768df753), ROM_BIOS(4)) /* os */
1177	1162	ROMX_LOAD("basic1.rom", 0x3c000, 0x4000, CRC(b3364108) SHA1(890f6e3e7fab3340f75b85e93ff29332bc9ecb2e), ROM_BIOS(4)) /* rom page 15 3c000 */
1178	1163
1179		ROM_REGION(0x20000,"user2",0) /* DFS ROMS */
	1164	ROM_REGION(0x4000, "os", 0)
	1165	ROM_COPY("option", 0x40000, 0, 0x4000)
	1166
	1167	ROM_REGION(0x20000,"dfs",0) /* DFS ROMS */
1180	1168	ROM_LOAD("dfs09.rom",    0x00000, 0x2000, CRC(3ce609cf) SHA1(5cc0f14b8f46855c70eaa653cca4ad079b458732))
1181	1169	ROM_RELOAD(              0x02000, 0x2000                )
1182	1170	ROM_LOAD("dnfs.rom",     0x04000, 0x4000, CRC(8ccd2157) SHA1(7e3c536baeae84d6498a14e8405319e01ee78232))
r32627	r32628
1199	1187	ROM_START(bbcb_de)
1200	1188	ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
1201	1189
1202		ROM_REGION(0x44000,"user1",0) /* ROM */
	1190	ROM_REGION(0x44000,"option",0) /* ROM */
1203	1191	/* rom page 0  00000 */
1204	1192	/* rom page 1  04000 */
1205	1193	/* rom page 2  08000 */
r32627	r32628
1221	1209	ROMX_LOAD("os_de.rom",   0x40000, 0x4000, CRC(b7262caf) SHA1(aadf90338ee9d1c85dfa73beba50e930c2a38f10), ROM_BIOS(1))
1222	1210	ROMX_LOAD("basic2.rom",  0x3c000, 0x4000, CRC(79434781) SHA1(4a7393f3a45ea309f744441c16723e2ef447a281), ROM_BIOS(1)) /* rom page 15 3c000 */
1223	1211
1224		ROM_REGION(0x20000,"user2",0) /* DFS ROMS */
	1212	ROM_REGION(0x4000, "os", 0)
	1213	ROM_COPY("option", 0x40000, 0, 0x4000)
	1214
	1215	ROM_REGION(0x20000,"dfs",0) /* DFS ROMS */
1225	1216	ROM_LOAD("dfs09.rom",    0x00000, 0x2000, CRC(3ce609cf) SHA1(5cc0f14b8f46855c70eaa653cca4ad079b458732))
1226	1217	ROM_RELOAD(              0x02000, 0x2000                )
1227	1218
r32627	r32628
1238	1229	ROM_START(bbcb_us)
1239	1230	ROM_REGION(0x08000,"maincpu",ROMREGION_ERASEFF) /* RAM */
1240	1231
1241		ROM_REGION(0x44000,"user1",0) /* ROM */
	1232	ROM_REGION(0x44000,"option",0) /* ROM */
1242	1233	/* rom page 0  00000 */
1243	1234	/* rom page 1  04000 */
1244	1235	/* rom page 2  08000 */
r32627	r32628
1260	1251	ROMX_LOAD("os10_us.rom", 0x40000, 0x4000, CRC(c8e946a9) SHA1(83d91d089dca092d2c8b7c3650ff8143c9069b89), ROM_BIOS(1))
1261	1252	ROMX_LOAD("basic3.rom",  0x3c000, 0x4000, CRC(161b9539) SHA1(b39014610a968789afd7695aa04d1277d874405c), ROM_BIOS(1)) /* rom page 15 3c000 */
1262	1253
1263		ROM_REGION(0x20000,"user2",0) /* DFS ROMS */
	1254	ROM_REGION(0x4000, "os", 0)
	1255	ROM_COPY("option", 0x40000, 0, 0x4000)
	1256
	1257	ROM_REGION(0x20000,"dfs",0) /* DFS ROMS */
1264	1258	ROM_LOAD("dfs09.rom",    0x00000, 0x2000, CRC(3ce609cf) SHA1(5cc0f14b8f46855c70eaa653cca4ad079b458732))
1265	1259	ROM_RELOAD(              0x02000, 0x2000                )
1266	1260
r32627	r32628
1280	1274	ROM_START(bbcbp)
1281	1275	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1282	1276
1283		ROM_REGION(0x44000,"user1",0) /* ROM */
	1277	ROM_REGION(0x44000,"option",0) /* ROM */
1284	1278	ROM_DEFAULT_BIOS("os20")
1285	1279	ROM_SYSTEM_BIOS( 0, "os20", "OS 2.00" )
1286	1280	ROMX_LOAD("bpos2.ic71", 0x3c000, 0x4000, CRC(9f356396) SHA1(ea7d3a7e3ee1ecfaa1483af994048057362b01f2), ROM_BIOS(1)) /* rom page 15 3C000 BASIC */
r32627	r32628
1303	1297	/* rom page 15 3C000  BASIC */
1304	1298	/* ddfs 2.23 this is acorns 1770 disc controller Double density disc filing system */
1305	1299	ROM_LOAD("ddfs223.rom", 0x1c000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
	1300
	1301	ROM_REGION(0x4000, "os", 0)
	1302	ROM_COPY("option", 0x40000, 0, 0x4000)
1306	1303	ROM_END
1307	1304
1308	1305
1309	1306	ROM_START(bbcbp128)
1310	1307	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1311	1308
1312		ROM_REGION(0x44000,"user1",0) /* ROM */
	1309	ROM_REGION(0x44000,"option",0) /* ROM */
1313	1310	ROM_DEFAULT_BIOS("os20")
1314	1311	ROM_SYSTEM_BIOS( 0, "os20", "OS 2.00" )
1315	1312	ROMX_LOAD("bpos2.ic71", 0x3c000, 0x4000, CRC(9f356396) SHA1(ea7d3a7e3ee1ecfaa1483af994048057362b01f2), ROM_BIOS(1)) /* rom page 15 3C000 BASIC */
r32627	r32628
1332	1329	/* rom page 15 3C000  BASIC */
1333	1330	/* ddfs 2.23 this is acorns 1770 disc controller Double density disc filing system */
1334	1331	ROM_LOAD("ddfs223.rom", 0x1c000, 0x4000, CRC(7891f9b7) SHA1(0d7ed0b0b3852cb61970ada1993244f2896896aa))
	1332
	1333	ROM_REGION(0x4000, "os", 0)
	1334	ROM_COPY("option", 0x40000, 0, 0x4000)
1335	1335	ROM_END
1336	1336
1337	1337
1338	1338	ROM_START(bbcm)
1339	1339	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1340	1340
1341		ROM_REGION(0x44000,"user1",0) /* ROM */
	1341	ROM_REGION(0x44000,"option",0) /* ROM */
1342	1342	ROM_DEFAULT_BIOS("mos350")
1343	1343	ROM_SYSTEM_BIOS( 0, "mos350", "Enhanced MOS 3.50" )
1344	1344	ROMX_LOAD("mos350.ic24", 0x20000, 0x20000, CRC(141027b9) SHA1(85211b5bc7c7a269952d2b063b7ec0e1f0196803), ROM_BIOS(1))
1345	1345	ROM_SYSTEM_BIOS( 1, "mos320", "Original MOS 3.20" )
1346	1346	ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(2))
1347		ROM_COPY("user1", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
	1347	ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
1348	1348	ROM_FILL(0x20000, 0x4000, 0xFFFF)
1349	1349	/* 00000 rom 0   Rear Cartridge bottom 16K */
1350	1350	/* 04000 rom 1   Rear Cartridge top 16K */
r32627	r32628
1364	1364	/* 3c000 rom 15  Terminal + Tube host + CFS */
1365	1365	//  ROM_LOAD("anfs424.rom", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) ) // TODO where to load this?
1366	1366
	1367	ROM_REGION(0x4000, "os", 0)
	1368	ROM_COPY("option", 0x40000, 0, 0x4000)
	1369
1367	1370	ROM_REGION(0x40,"rtc",0) /* mc146818 */
1368	1371	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1369	1372	ROMX_LOAD("mos350.cmos", 0x00, 0x40, CRC(e84c1854) SHA1(f3cb7f12b7432caba28d067f01af575779220aac), ROM_BIOS(1))
r32627	r32628
1374	1377	ROM_START(bbcmt)
1375	1378	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1376	1379
1377		ROM_REGION(0x44000,"user1",0) /* ROM */
	1380	ROM_REGION(0x44000,"option",0) /* ROM */
1378	1381	ROM_DEFAULT_BIOS("mos350")
1379	1382	ROM_SYSTEM_BIOS( 0, "mos350", "Enhanced MOS 3.50" )
1380	1383	ROMX_LOAD("mos350.ic24", 0x20000, 0x20000, CRC(141027b9) SHA1(85211b5bc7c7a269952d2b063b7ec0e1f0196803), ROM_BIOS(1))
1381	1384	ROM_SYSTEM_BIOS( 1, "mos320", "Original MOS 3.20" )
1382	1385	ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(2))
1383		ROM_COPY("user1", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
	1386	ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
1384	1387	ROM_FILL(0x20000, 0x4000, 0xFFFF)
1385	1388	/* 00000 rom 0   Rear Cartridge bottom 16K */
1386	1389	/* 04000 rom 1   Rear Cartridge top 16K */
r32627	r32628
1400	1403	/* 3c000 rom 15  Terminal + Tube host + CFS */
1401	1404	//  ROM_LOAD("anfs424.ic27", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) ) // TODO where to load this?
1402	1405
	1406	ROM_REGION(0x4000, "os", 0)
	1407	ROM_COPY("option", 0x40000, 0, 0x4000)
	1408
1403	1409	ROM_REGION(0x40,"rtc",0) /* mc146818 */
1404	1410	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1405	1411	ROMX_LOAD("mos350.cmos", 0x00, 0x40, CRC(e84c1854) SHA1(f3cb7f12b7432caba28d067f01af575779220aac), ROM_BIOS(1))
r32627	r32628
1410	1416	ROM_START(bbcmaiv)
1411	1417	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1412	1418
1413		ROM_REGION(0x44000,"user1",0) /* ROM */
	1419	ROM_REGION(0x44000,"option",0) /* ROM */
1414	1420	ROM_DEFAULT_BIOS("mos320")
1415	1421	ROM_SYSTEM_BIOS( 0, "mos320", "MOS 3.20" )
1416	1422	ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(1))
1417		ROM_COPY("user1", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
	1423	ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
1418	1424	ROM_FILL(0x20000, 0x4000, 0xFFFF)
1419	1425	/* 00000 rom 0   Rear Cartridge bottom 16K */
1420	1426	/* 04000 rom 1   Rear Cartridge top 16K */
r32627	r32628
1434	1440	/* 3c000 rom 15  Terminal + Tube host + CFS */
1435	1441	ROM_LOAD("vfs170.rom", 0x20000, 0x4000, CRC(b124a0bb) SHA1(ba31c757815cf470402d7829a70a0e1d3fb1355b) )
1436	1442
	1443	ROM_REGION(0x4000, "os", 0)
	1444	ROM_COPY("option", 0x40000, 0, 0x4000)
	1445
1437	1446	ROM_REGION(0x40,"rtc",0) /* mc146818 */
1438	1447	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1439	1448	ROMX_LOAD("mos320aiv.cmos", 0x0E, 0x32, BAD_DUMP CRC(b9ae42a1) SHA1(abf3e94b013f24027ca36c96720963c3411e93f8), ROM_BIOS(1))
r32627	r32628
1443	1452	ROM_START(bbcmet)
1444	1453	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1445	1454
1446		ROM_REGION(0x44000,"user1",0) /* ROM */
	1455	ROM_REGION(0x44000,"option",0) /* ROM */
1447	1456	ROM_DEFAULT_BIOS("mos400")
1448	1457	ROM_SYSTEM_BIOS( 0, "mos400", "Econet MOS 4.00" )
1449	1458	ROMX_LOAD("mos400.ic24", 0x20000, 0x10000, BAD_DUMP CRC(81729034) SHA1(d4bc2c7f5e66b5298786138f395908e70c772971), ROM_BIOS(1)) /* Merged individual ROM bank dumps */
1450		ROM_COPY("user1", 0x24000, 0x34000, 0xC000) /* Mirror */
1451		ROM_COPY("user1", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
	1459	ROM_COPY("option", 0x24000, 0x34000, 0xC000) /* Mirror */
	1460	ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
1452	1461	ROM_FILL(0x20000, 0x4000, 0xFFFF)
1453	1462	/* 00000 rom 0   Rear Cartridge bottom 16K */
1454	1463	/* 04000 rom 1   Rear Cartridge top 16K */
r32627	r32628
1467	1476	/* 38000 rom 14  ANFS */
1468	1477	/* 3c000 rom 15  MOS code */
1469	1478
	1479	ROM_REGION(0x4000, "os", 0)
	1480	ROM_COPY("option", 0x40000, 0, 0x4000)
	1481
1470	1482	ROM_REGION(0x40,"rtc",0) /* mc146818 */
1471	1483	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1472	1484	ROMX_LOAD("mos400.cmos", 0x0E, 0x32, BAD_DUMP CRC(fff41cc5) SHA1(3607568758f90b3bd6c7dc9533e2aa24f9806ff3), ROM_BIOS(1))
r32627	r32628
1476	1488	ROM_START(bbcm512)
1477	1489	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1478	1490
1479		ROM_REGION(0x44000,"user1",0) /* ROM */
	1491	ROM_REGION(0x44000,"option",0) /* ROM */
1480	1492	ROM_DEFAULT_BIOS("mos350")
1481	1493	ROM_SYSTEM_BIOS( 0, "mos350", "Enhanced MOS 3.50" )
1482	1494	ROMX_LOAD("mos350.ic24", 0x20000, 0x20000, CRC(141027b9) SHA1(85211b5bc7c7a269952d2b063b7ec0e1f0196803), ROM_BIOS(1))
1483	1495	ROM_SYSTEM_BIOS( 1, "mos320", "Original MOS 3.20" )
1484	1496	ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(2))
1485		ROM_COPY("user1", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
	1497	ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
1486	1498	ROM_FILL(0x20000, 0x4000, 0xFFFF)
1487	1499	/* 00000 rom 0   Rear Cartridge bottom 16K */
1488	1500	/* 04000 rom 1   Rear Cartridge top 16K */
r32627	r32628
1502	1514	/* 3c000 rom 15  Terminal + Tube host + CFS */
1503	1515	//  ROM_LOAD("anfs424.ic27", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) )
1504	1516
	1517	ROM_REGION(0x4000, "os", 0)
	1518	ROM_COPY("option", 0x40000, 0, 0x4000)
	1519
1505	1520	ROM_REGION(0x40,"rtc",0) /* mc146818 */
1506	1521	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1507	1522	ROMX_LOAD("mos350.cmos", 0x00, 0x40, CRC(e84c1854) SHA1(f3cb7f12b7432caba28d067f01af575779220aac), ROM_BIOS(1))
r32627	r32628
1512	1527	ROM_START(bbcmarm)
1513	1528	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1514	1529
1515		ROM_REGION(0x44000,"user1",0) /* ROM */
	1530	ROM_REGION(0x44000,"option",0) /* ROM */
1516	1531	ROM_DEFAULT_BIOS("mos320")
1517	1532	ROM_SYSTEM_BIOS( 0, "mos320", "Original MOS 3.20" )
1518	1533	ROMX_LOAD("mos320.ic24", 0x20000, 0x20000, CRC(0cfad2ce) SHA1(0275719aa7746dd3b627f95ccc4362b564063a5e), ROM_BIOS(1))
1519		ROM_COPY("user1", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
	1534	ROM_COPY("option", 0x20000, 0x40000, 0x4000) /* Move loaded roms into place */
1520	1535	ROM_FILL(0x20000, 0x4000, 0xFFFF)
1521	1536	/* 00000 rom 0   Rear Cartridge bottom 16K */
1522	1537	/* 04000 rom 1   Rear Cartridge top 16K */
r32627	r32628
1536	1551	/* 3c000 rom 15  Terminal + Tube host + CFS */
1537	1552	//  ROM_LOAD("anfs424.ic27", 0x20000, 0x4000, CRC(1b9f75fd) SHA1(875f71edd48f87c3a55371409d0cc2015d8b5853) )
1538	1553
	1554	ROM_REGION(0x4000, "os", 0)
	1555	ROM_COPY("option", 0x40000, 0, 0x4000)
	1556
1539	1557	ROM_REGION(0x40,"rtc",0) /* mc146818 */
1540	1558	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1541	1559	ROMX_LOAD("mos320arm.cmos", 0x00, 0x40, CRC(56117257) SHA1(ed98563bef18f9d2a0b2d941cd20823d760fb127), ROM_BIOS(1))
r32627	r32628
1545	1563	ROM_START(bbcmc)
1546	1564	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1547	1565
1548		ROM_REGION(0x44000,"user1",0) /* ROM */
	1566	ROM_REGION(0x44000,"option",0) /* ROM */
1549	1567	ROM_DEFAULT_BIOS("mos510")
1550	1568	ROM_SYSTEM_BIOS( 0, "mos510", "Enhanced MOS 5.10" )
1551	1569	ROMX_LOAD("mos510.ic49", 0x30000, 0x10000, BAD_DUMP CRC(9a2a6086) SHA1(094ab37b0b6437c4f1653eaa0602ef102737adb6), ROM_BIOS(1)) /* Merged individual ROM bank dumps */
1552	1570	ROM_SYSTEM_BIOS( 1, "mos500", "Original MOS 5.00" )
1553	1571	ROMX_LOAD("mos500.ic49", 0x30000, 0x10000, BAD_DUMP CRC(f6170023) SHA1(140d002d2d9cd34b47197a2ba823505af2a84633), ROM_BIOS(2)) /* Merged individual ROM bank dumps */
1554
1555		ROM_COPY("user1", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
	1572	ROM_COPY("option", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
1556	1573	ROM_FILL(0x30000, 0x4000, 0xFFFF)
1557	1574	/* 00000 rom 0   EXTERNAL */
1558	1575	/* 04000 rom 1   EXTERNAL */
r32627	r32628
1571	1588	/* 38000 rom 14  BASIC */
1572	1589	/* 3c000 rom 15  Utils */
1573	1590
	1591	ROM_REGION(0x4000, "os", 0)
	1592	ROM_COPY("option", 0x40000, 0, 0x4000)
	1593
1574	1594	//  ROM_REGION(0x80,"mc146818",0) /* mc146818 */
1575	1595	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1576	1596	//  ROM_LOAD("mos500.cmos", 0x00, 0x80, CRC(d8458039) SHA1(72c056d493e74ceca41f48936012b012b496a226))
r32627	r32628
1580	1600	ROM_START(bbcmc_ar)
1581	1601	ROM_REGION(0x10000,"maincpu",ROMREGION_ERASEFF) /* ROM MEMORY */
1582	1602
1583		ROM_REGION(0x44000,"user1",0) /* ROM */
	1603	ROM_REGION(0x44000,"option",0) /* ROM */
1584	1604	ROM_DEFAULT_BIOS("mos511i")
1585	1605	ROM_SYSTEM_BIOS( 0, "mos511i", "International MOS 5.11" )
1586	1606	ROMX_LOAD("mos511.ic49", 0x30000, 0x10000, BAD_DUMP CRC(8708803c) SHA1(d2170c8b9b536f3ad84a4a603a7fe712500cc751), ROM_BIOS(1)) /* Merged individual ROM bank dumps */
1587		ROM_COPY("user1", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
	1607	ROM_COPY("option", 0x30000, 0x40000, 0x4000) /* Move loaded roms into place */
1588	1608	ROM_FILL(0x30000, 0x4000, 0xFFFF)
1589	1609	/* 00000 rom 0   EXTERNAL */
1590	1610	/* 04000 rom 1   EXTERNAL */
r32627	r32628
1605	1625	ROM_LOAD("international16.rom", 0x8000 , 0x4000, CRC(0ef527b1) SHA1(dc5149ccf588cd591a6ad47727474ef3313272ce) )
1606	1626	ROM_LOAD("arabian-c22.rom"    , 0x20000, 0x4000, CRC(4f3aadff) SHA1(2bbf61ba68264ce5845aab9c54e750b0efe219c8) )
1607	1627
	1628	ROM_REGION(0x4000, "os", 0)
	1629	ROM_COPY("option", 0x40000, 0, 0x4000)
	1630
1608	1631	//  ROM_REGION(0x80,"mc146818",0) /* mc146818 */
1609	1632	/* Factory defaulted CMOS RAM, sets default language ROM, etc. */
1610	1633	//  ROM_LOAD("mos500.cmos", 0x00, 0x80, CRC(d8458039) SHA1(72c056d493e74ceca41f48936012b012b496a226))

trunk/src/mess/machine/bbc.c

r32627	r32628
35	35	/* for the model A just address the 4 on board ROM sockets */
36	36	WRITE8_MEMBER(bbc_state::bbc_page_selecta_w)
37	37	{
38		m_bank4->set_base(m_region_user1->base()+((data&0x03)<<14));
	38	m_bank4->set_entry(data & 0x03);
39	39	}
40	40
41	41
r32627	r32628
52	52	/* I have set bank 1 as a special case to load different DFS roms selectable from MESS's CONF settings var:bbc_DFSTypes */
53	53	WRITE8_MEMBER(bbc_state::bbc_page_selectb_w)
54	54	{
55		m_rombank=data&0x0f;
56		if (m_rombank!=1)
	55	m_rombank = data & 0x0f;
	56	if (m_rombank != 1)
57	57	{
58		m_bank4->set_base(m_region_user1->base() + (m_rombank << 14));
	58	m_bank4->set_entry(m_rombank);
59	59	}
60	60	else
61	61	{
62		m_bank4->set_base(m_region_user2->base() + ((m_DFSType) << 14));
	62	m_bank4->set_entry(m_DFSType);
63	63	}
64	64	}
65	65
r32627	r32628
91	91	if (m_rombank == 1)
92	92	{
93	93	// special DFS case for Acorn DFS E00 Hack that can write to the DFS RAM Bank;
94		if (m_DFSType == 3) m_region_user2->base()[((m_DFSType) << 14) + offset] = data;
	94	if (m_DFSType == 3) m_region_dfs->base()[((m_DFSType) << 14) + offset] = data;
95	95	}
96	96	else
97	97	{
98	98	switch (m_SWRAMtype)
99	99	{
100		case 1: if (bbc_SWRAMtype1[m_userport]) m_region_user1->base()[(m_userport << 14) + offset] = data;
101		case 2: if (bbc_SWRAMtype2[m_rombank])  m_region_user1->base()[(m_rombank << 14) + offset] = data;
102		case 3: if (bbc_SWRAMtype3[m_rombank])  m_region_user1->base()[(m_rombank << 14) + offset] = data;
	100	case 1: if (bbc_SWRAMtype1[m_userport]) m_region_opt->base()[(m_userport << 14) + offset] = data;
	101	case 2: if (bbc_SWRAMtype2[m_rombank])  m_region_opt->base()[(m_rombank << 14) + offset] = data;
	102	case 3: if (bbc_SWRAMtype3[m_rombank])  m_region_opt->base()[(m_rombank << 14) + offset] = data;
103	103	}
104	104	}
105	105	}
r32627	r32628
135	135	if (m_pagedRAM)
136	136	{
137	137	/* if paged ram then set 8000 to afff to read from the ram 8000 to afff */
138		m_bank4->set_base(m_region_maincpu->base() + 0x8000);
	138	m_bank4->set_entry(0x10);
139	139	}
140	140	else
141	141	{
142	142	/* if paged rom then set the rom to be read from 8000 to afff */
143		m_bank4->set_base(m_region_user1->base() + (m_rombank << 14));
	143	m_bank4->set_entry(m_rombank);
144	144	};
145	145
146	146	/* set the rom to be read from b000 to bfff */
r32627	r32628
152	152	m_vdusel=(data>>7)&0x01;
153	153	bbcbp_setvideoshadow(m_vdusel);
154	154	//need to make the video display do a full screen refresh for the new memory area
155		m_bank2->set_base(m_region_maincpu->base()+0x3000);
	155	m_bank2->set_base(m_region_maincpu->base() + 0x3000);
156	156	}
157	157	}
158	158
r32627	r32628
258	258	{
259	259	if (bbc_b_plus_sideways_ram_banks[m_rombank])
260	260	{
261		m_region_user1->base()[offset+(m_rombank<<14)]=data;
	261	m_region_opt->base()[offset+(m_rombank<<14)]=data;
262	262	}
263	263	}
264	264	}
r32627	r32628
267	267	{
268	268	if (bbc_b_plus_sideways_ram_banks[m_rombank])
269	269	{
270		m_region_user1->base()[offset+(m_rombank<<14)+0x3000]=data;
	270	m_region_opt->base()[offset+(m_rombank<<14)+0x3000]=data;
271	271	}
272	272	}
273	273
r32627	r32628
360	360	}
361	361	else
362	362	{
363		m_bank7->set_base(m_region_user1->base() + 0x40000);
	363	m_bank7->set_base(m_region_os->base());
364	364	}
365	365
366	366	bbcbp_setvideoshadow(m_ACCCON_D);
r32627	r32628
368	368
369	369	if (m_ACCCON_X)
370	370	{
371		m_bank2->set_base(m_region_maincpu->base() + 0xb000 );
	371	m_bank2->set_base(m_region_maincpu->base() + 0xb000);
372	372	}
373	373	else
374	374	{
375		m_bank2->set_base(m_region_maincpu->base() + 0x3000 );
	375	m_bank2->set_base(m_region_maincpu->base() + 0x3000);
376	376	}
377	377
378	378	/* ACCCON_TST controls paging of rom reads in the 0xFC00-0xFEFF reigon */
r32627	r32628
380	380	/* if 1 the the ROM is paged in for reads but writes still go to I/O   */
381	381	if (m_ACCCON_TST)
382	382	{
383		m_bank8->set_base(m_region_user1->base()+0x43c00);
384		space.install_read_bank(0xFC00,0xFEFF,"bank8");
	383	m_bank8->set_base(m_region_os->base() + 0x3c00);
	384	space.install_read_bank(0xfc00, 0xfeff, "bank8");
385	385	}
386	386	else
387	387	{
388		space.install_read_handler(0xFC00,0xFEFF,read8_delegate(FUNC(bbc_state::bbcm_r),this));
	388	space.install_read_handler(0xfc00, 0xfeff, read8_delegate(FUNC(bbc_state::bbcm_r),this));
389	389	}
390	390	}
391	391
r32627	r32628
405	405
406	406	if (m_pagedRAM)
407	407	{
408		m_bank4->set_base(m_region_maincpu->base() + 0x8000);
	408	m_bank4->set_entry(0x10);
409	409	m_bank5->set_entry(m_rombank);
410	410	}
411	411	else
412	412	{
413		m_bank4->set_base(m_region_user1->base() + ((m_rombank) << 14));
	413	m_bank4->set_entry(m_rombank);
414	414	m_bank5->set_entry(m_rombank);
415	415	}
416	416	}
r32627	r32628
427	427	{
428	428	if (m_ACCCON_X)
429	429	{
430		m_bank2->set_base( m_region_maincpu->base() + 0xb000 );
	430	m_bank2->set_base(m_region_maincpu->base() + 0xb000);
431	431	}
432	432	else
433	433	{
434	434	if (m_ACCCON_E && bbcm_vdudriverset())
435	435	{
436		m_bank2->set_base( m_region_maincpu->base() + 0xb000 );
	436	m_bank2->set_base(m_region_maincpu->base() + 0xb000);
437	437	}
438	438	else
439	439	{
440		m_bank2->set_base( m_region_maincpu->base() + 0x3000 );
	440	m_bank2->set_base(m_region_maincpu->base() + 0x3000);
441	441	}
442	442	}
443	443
r32627	r32628
482	482	{
483	483	if (bbc_master_sideways_ram_banks[m_rombank])
484	484	{
485		m_region_user1->base()[offset+(m_rombank<<14)] = data;
	485	m_region_opt->base()[offset+(m_rombank<<14)] = data;
486	486	}
487	487	}
488	488	}
r32627	r32628
492	492	{
493	493	if (bbc_master_sideways_ram_banks[m_rombank])
494	494	{
495		m_region_user1->base()[offset+(m_rombank<<14)+0x1000] = data;
	495	m_region_opt->base()[offset+(m_rombank<<14)+0x1000] = data;
496	496	}
497	497	}
498	498
r32627	r32628
555	555	/* Now handled in bbcm_ACCCON_write PHS - 2008-10-11 */
556	556	//  if ( m_ACCCON_TST )
557	557	//  {
558		//      return m_region_user1->base()[offset+0x43c00];
	558	//      return m_region_os->base()[offset + 0x3c00];
559	559	//  };
560	560
561	561	if (offset<=0x0ff) /* FRED */
r32627	r32628
1938	1938	BBC B Rom loading functions
1939	1939	***************************************/
1940	1940
1941		int bbc_state::exp_rom_load(device_image_interface &image, int index)
	1941	int bbc_state::bbc_load_cart(device_image_interface &image, generic_slot_device *slot)
1942	1942	{
1943		UINT8 *RAM = m_region_user1->base();
1944		int size, read_;
1945		int addr = 0x8000 + (0x4000 * index);
1946
1947		if (image.software_entry() == NULL)
	1943	UINT32 size = slot->common_get_size("rom");
	1944
	1945	if (size != 0x2000 && size != 0x4000)
1948	1946	{
1949		size = image.length();
1950		logerror("loading rom %s, at %.4x size:%.4x\n", image.filename(), addr, size);
1951
1952		switch (size)
1953		{
1954		case 0x2000:
1955		read_ = image.fread(RAM + addr, size);
1956		if (read_ != size)
1957		return 1;
1958		image.fseek(0, SEEK_SET);
1959		read_ = image.fread(RAM + addr + 0x2000, size);
1960		break;
1961		case 0x4000:
1962		read_ = image.fread(RAM + addr, size);
1963		break;
1964		default:
1965		read_ = 0;
1966		logerror("bad rom file size of %.4x\n", size);
1967		break;
1968		}
1969
1970		if (read_ != size)
1971		return IMAGE_INIT_FAIL;
	1947	image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size");
	1948	return IMAGE_INIT_FAIL;
1972	1949	}
	1950
	1951	slot->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
	1952	slot->common_load_rom(slot->get_rom_base(), size, "rom");
	1953
1973	1954	return IMAGE_INIT_PASS;
1974	1955	}
1975	1956
1976		DEVICE_IMAGE_LOAD_MEMBER( bbc_state, bbc_exp_rom )
1977		{
1978		if (strcmp(image.device().tag(),":exp_rom1") == 0)
1979		return exp_rom_load(image, 0);
1980
1981		if (strcmp(image.device().tag(),":exp_rom2") == 0)
1982		return exp_rom_load(image, 1);
1983
1984		if (strcmp(image.device().tag(),":exp_rom3") == 0)
1985		return exp_rom_load(image, 2);
1986
1987		if (strcmp(image.device().tag(),":exp_rom4") == 0)
1988		return exp_rom_load(image, 3);
1989
1990		return IMAGE_INIT_FAIL;
1991		}
1992
1993
1994	1957	/**************************************
1995	1958	BBC Master Rom loading functions
1996	1959	***************************************/
1997	1960
1998		DEVICE_IMAGE_LOAD_MEMBER( bbc_state, bbcm_cart )
	1961	int bbc_state::bbcm_load_cart(device_image_interface &image, generic_slot_device *slot)
1999	1962	{
2000		UINT8 *RAM = m_region_user1->base();
2001		int addr = 0, index = 0;
2002
2003		if (strcmp(image.device().tag(),":cart1") == 0)
2004		index = 0;
2005		if (strcmp(image.device().tag(),":cart2") == 0)
2006		index = 1;
2007		addr += index * 0x8000;
2008
2009	1963	if (image.software_entry() == NULL)
2010	1964	{
2011		UINT32 size = image.length();
2012		logerror("loading rom %s, size:%.4x\n", image.filename(), size);
	1965	UINT32 filesize = image.length();
2013	1966
2014		if (size != 0x8000)
	1967	if (filesize != 0x8000)
2015	1968	{
2016		image.seterror(IMAGE_ERROR_UNSUPPORTED, "Invalid rom file size");
	1969	image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size");
2017	1970	return IMAGE_INIT_FAIL;
2018	1971	}
2019
2020		image.fread(RAM + addr, size);
	1972
	1973	slot->rom_alloc(filesize, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
	1974	image.fread(slot->get_rom_base(), filesize);
	1975	return IMAGE_INIT_PASS;
2021	1976	}
2022	1977	else
2023	1978	{
2024	1979	UINT32 size_lo = image.get_software_region_length("lorom");
2025	1980	UINT32 size_hi = image.get_software_region_length("uprom");
2026		logerror("loading rom %s, size:%.4x\n", image.filename(), size_lo + size_hi);
2027
	1981
2028	1982	if (size_lo + size_hi != 0x8000)
2029	1983	{
2030		image.seterror(IMAGE_ERROR_UNSUPPORTED, "Invalid rom file size");
	1984	image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size");
2031	1985	return IMAGE_INIT_FAIL;
2032	1986	}
2033
2034		memcpy(RAM + addr + 0,       image.get_software_region("uprom"), size_hi);
2035		memcpy(RAM + addr + size_hi, image.get_software_region("lorom"), size_lo);
	1987
	1988	slot->rom_alloc(size_lo + size_hi, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE);
	1989	memcpy(slot->get_rom_base() + 0,       image.get_software_region("uprom"), size_hi);
	1990	memcpy(slot->get_rom_base() + size_hi, image.get_software_region("lorom"), size_lo);
2036	1991	}
2037
	1992
2038	1993	return IMAGE_INIT_PASS;
2039	1994	}
2040	1995
r32627	r32628
2075	2030	m_via6522_0->write_cb2(1);
2076	2031	}
2077	2032
2078		MACHINE_START_MEMBER(bbc_state,bbca)
	2033	// setup pointers for optional EPROMs
	2034	void bbc_state::bbc_setup_banks(memory_bank *membank, int banks, UINT32 shift, UINT32 size)
2079	2035	{
	2036	astring region_tag;
	2037	memory_region *tmp_reg;
	2038	UINT8 *eprom[4];
	2039	if (m_exp1 && (tmp_reg = memregion(region_tag.cpy(m_exp1->tag()).cat(GENERIC_ROM_REGION_TAG))))
	2040	eprom[0] = tmp_reg->base() + shift;
	2041	else
	2042	eprom[0] = m_region_opt->base() + 0x0000 + shift;
	2043	if (m_exp2 && (tmp_reg = memregion(region_tag.cpy(m_exp2->tag()).cat(GENERIC_ROM_REGION_TAG))))
	2044	eprom[1] = tmp_reg->base() + shift;
	2045	else
	2046	eprom[1] = m_region_opt->base() + 0x4000 + shift;
	2047	if (m_exp3 && (tmp_reg = memregion(region_tag.cpy(m_exp3->tag()).cat(GENERIC_ROM_REGION_TAG))))
	2048	eprom[2] = tmp_reg->base() + shift;
	2049	else
	2050	eprom[2] = m_region_opt->base() + 0x8000 + shift;
	2051	if (m_exp4 && (tmp_reg = memregion(region_tag.cpy(m_exp4->tag()).cat(GENERIC_ROM_REGION_TAG))))
	2052	eprom[3] = tmp_reg->base() + shift;
	2053	else
	2054	eprom[3] = m_region_opt->base() + 0xc000 + shift;
	2055
	2056	membank->configure_entries(0, 1,  eprom[0], size);
	2057	membank->configure_entries(1, 1,  eprom[1], size);
	2058	membank->configure_entries(2, 1,  eprom[2], size);
	2059	membank->configure_entries(3, 1,  eprom[3], size);
	2060
	2061	if (banks > 4)
	2062	{
	2063	for (int i = 0; i < banks - 4; i++)
	2064	membank->configure_entries(i + 4, 1,  m_region_opt->base() + 0x10000 + shift + i * 0x4000, size);
	2065	}
2080	2066	}
2081	2067
2082		MACHINE_RESET_MEMBER(bbc_state,bbca)
	2068	void bbc_state::bbcm_setup_banks(memory_bank *membank, int banks, UINT32 shift, UINT32 size)
2083	2069	{
	2070	astring region_tag;
	2071	memory_region *tmp_reg;
	2072	UINT8 *eprom[2];
	2073	if (m_exp1 && (tmp_reg = memregion(region_tag.cpy(m_exp1->tag()).cat(GENERIC_ROM_REGION_TAG))))
	2074	eprom[0] = tmp_reg->base() + shift;
	2075	else
	2076	eprom[0] = m_region_opt->base() + 0x0000 + shift;
	2077	if (m_exp2 && (tmp_reg = memregion(region_tag.cpy(m_exp2->tag()).cat(GENERIC_ROM_REGION_TAG))))
	2078	eprom[1] = tmp_reg->base() + shift;
	2079	else
	2080	eprom[1] = m_region_opt->base() + 0x8000 + shift;
	2081
	2082	membank->configure_entries(0, 1,  eprom[0], size);
	2083	membank->configure_entries(1, 1,  eprom[0] + 0x4000, size);
	2084	membank->configure_entries(2, 1,  eprom[1], size);
	2085	membank->configure_entries(3, 1,  eprom[1] + 0x4000, size);
	2086
	2087	if (banks > 4)
	2088	{
	2089	for (int i = 0; i < banks - 4; i++)
	2090	membank->configure_entries(i + 4, 1,  m_region_opt->base() + 0x10000 + shift + i * 0x4000, size);
	2091	}
	2092	}
	2093
	2094	MACHINE_START_MEMBER(bbc_state, bbca)
	2095	{
	2096	bbc_setup_banks(m_bank4, 4, 0, 0x4000);
	2097	}
	2098
	2099	MACHINE_RESET_MEMBER(bbc_state, bbca)
	2100	{
2084	2101	UINT8 *RAM = m_region_maincpu->base();
2085	2102
2086	2103	m_bank1->set_base(RAM);
r32627	r32628
2097	2114	m_memorySize=16;
2098	2115	}
2099	2116
2100		m_bank4->set_base(m_region_user1->base());          /* bank 4 is the paged ROMs     from 8000 to bfff */
2101		m_bank7->set_base(m_region_user1->base()+0x10000);  /* bank 7 points at the OS rom  from c000 to ffff */
	2117	m_bank4->set_entry(0);
	2118	m_bank7->set_base(m_region_os->base());  /* bank 7 points at the OS rom  from c000 to ffff */
2102	2119
2103	2120	bbcb_IC32_initialise(this);
2104	2121	}
2105	2122
2106		MACHINE_START_MEMBER(bbc_state,bbcb)
	2123	MACHINE_START_MEMBER(bbc_state, bbcb)
2107	2124	{
2108	2125	m_mc6850_clock = 0;
2109	2126	m_previous_i8271_int_state=0;
2110	2127	m_previous_wd177x_int_state=1;
	2128	bbc_setup_banks(m_bank4, 16, 0, 0x4000);
	2129	if (m_region_dfs)
	2130	m_bank4->configure_entries(16, 8, m_region_dfs->base(), 0x4000);   // additional bank for paged ram
2111	2131	}
2112	2132
2113		MACHINE_RESET_MEMBER(bbc_state,bbcb)
	2133	MACHINE_RESET_MEMBER(bbc_state, bbcb)
2114	2134	{
2115	2135	UINT8 *RAM = m_region_maincpu->base();
2116	2136	m_DFSType=    (ioport("BBCCONFIG")->read() >> 0) & 0x07;
r32627	r32628
2119	2139	m_bank3->set_base(RAM + 0x4000);
2120	2140	m_memorySize=32;
2121	2141
2122		m_bank4->set_base(m_region_user1->base());            /* bank 4 is the paged ROMs     from 8000 to bfff */
2123		m_bank7->set_base(m_region_user1->base() + 0x40000);  /* bank 7 points at the OS rom  from c000 to ffff */
	2142	m_bank4->set_entry(0);
	2143	m_bank7->set_base(m_region_os->base());  /* bank 7 points at the OS rom  from c000 to ffff */
2124	2144
2125	2145	bbcb_IC32_initialise(this);
2126	2146
r32627	r32628
2128	2148	}
2129	2149
2130	2150
2131		MACHINE_START_MEMBER(bbc_state,bbcbp)
	2151	MACHINE_START_MEMBER(bbc_state, bbcbp)
2132	2152	{
2133	2153	m_mc6850_clock = 0;
2134	2154
2135	2155	m_maincpu->space(AS_PROGRAM).set_direct_update_handler(direct_update_delegate(FUNC(bbc_state::bbcbp_direct_handler), this));
2136	2156
2137		/* bank 6 is the paged ROMs     from b000 to bfff */
2138		m_bank6->configure_entries(0, 16, m_region_user1->base()+0x3000, 1<<14);
	2157	bbc_setup_banks(m_bank4, 16, 0, 0x3000);
	2158	m_bank4->configure_entries(16, 1, m_region_maincpu->base() + 0x8000, 0x3000);   // additional bank for paged ram
	2159	bbc_setup_banks(m_bank6, 16, 0x3000, 0x1000);
2139	2160	}
2140	2161
2141		MACHINE_RESET_MEMBER(bbc_state,bbcbp)
	2162	MACHINE_RESET_MEMBER(bbc_state, bbcbp)
2142	2163	{
2143	2164	m_bank1->set_base(m_region_maincpu->base());
2144		m_bank2->set_base(m_region_maincpu->base()+0x03000);  /* bank 2 screen/shadow ram     from 3000 to 7fff */
2145		m_bank4->set_base(m_region_user1->base());            /* bank 4 is paged ROM or RAM   from 8000 to afff */
	2165	m_bank2->set_base(m_region_maincpu->base() + 0x03000);  /* bank 2 screen/shadow ram     from 3000 to 7fff */
	2166	m_bank4->set_entry(0);
2146	2167	m_bank6->set_entry(0);
2147		m_bank7->set_base(m_region_user1->base()+0x40000);    /* bank 7 points at the OS rom  from c000 to ffff */
	2168	m_bank7->set_base(m_region_os->base());    /* bank 7 points at the OS rom  from c000 to ffff */
2148	2169
2149	2170	bbcb_IC32_initialise(this);
2150	2171
r32627	r32628
2152	2173	}
2153	2174
2154	2175
2155		MACHINE_START_MEMBER(bbc_state,bbcm)
	2176	MACHINE_START_MEMBER(bbc_state, bbcm)
2156	2177	{
2157	2178	m_mc6850_clock = 0;
2158	2179
2159	2180	m_maincpu->space(AS_PROGRAM).set_direct_update_handler(direct_update_delegate(FUNC(bbc_state::bbcm_direct_handler), this));
2160	2181
2161		/* bank 5 is the paged ROMs from 9000 to bfff */
2162		m_bank5->configure_entries(0, 16, m_region_user1->base()+0x01000, 1<<14);
	2182	bbcm_setup_banks(m_bank4, 16, 0, 0x1000);
	2183	m_bank4->configure_entries(16, 1, m_region_maincpu->base() + 0x8000, 0x1000);   // additional bank for paged ram
	2184	bbcm_setup_banks(m_bank5, 16, 0x1000, 0x3000);
2163	2185
2164	2186	/* Set ROM/IO bank to point to rom */
2165		m_bank8->set_base( m_region_user1->base()+0x43c00);
2166		m_maincpu->space(AS_PROGRAM).install_read_bank(0xFC00, 0xFEFF, "bank8");
	2187	m_bank8->set_base(m_region_os->base() + 0x3c00);
	2188	m_maincpu->space(AS_PROGRAM).install_read_bank(0xfc00, 0xfeff, "bank8");
2167	2189	}
2168	2190
2169		MACHINE_RESET_MEMBER(bbc_state,bbcm)
	2191	MACHINE_RESET_MEMBER(bbc_state, bbcm)
2170	2192	{
2171	2193	m_bank1->set_base(m_region_maincpu->base());           /* bank 1 regular lower ram     from 0000 to 2fff */
2172	2194	m_bank2->set_base(m_region_maincpu->base() + 0x3000);  /* bank 2 screen/shadow ram     from 3000 to 7fff */
2173		m_bank4->set_base(m_region_user1->base());             /* bank 4 is paged ROM or RAM   from 8000 to 8fff */
	2195	m_bank4->set_entry(0);
2174	2196	m_bank5->set_entry(0);
2175		m_bank7->set_base(m_region_user1->base() + 0x40000);   /* bank 6 OS rom of RAM         from c000 to dfff */
	2197	m_bank7->set_base(m_region_os->base());   /* bank 6 OS rom of RAM         from c000 to dfff */
2176	2198
2177	2199	bbcb_IC32_initialise(this);
2178	2200

trunk/src/mess/includes/bbc.h

r32627	r32628
26	26	#include "sound/tms5220.h"
27	27	#include "imagedev/cassette.h"
28	28
	29	#include "bus/generic/slot.h"
	30	#include "bus/generic/carts.h"
	31
29	32	#define RS232_TAG       "rs232"
30	33
31	34	class bbc_state : public driver_device
r32627	r32628
48	51	m_via6522_1(*this, "via6522_1"),
49	52	m_upd7002(*this, "upd7002"),
50	53	m_i8271(*this, "i8271"),
	54	m_exp1(*this, "exp_rom1"),
	55	m_exp2(*this, "exp_rom2"),
	56	m_exp3(*this, "exp_rom3"),
	57	m_exp4(*this, "exp_rom4"),
51	58	m_joy0(*this, "JOY0"),
52	59	m_joy1(*this, "JOY1"),
53	60	m_joy2(*this, "JOY2"),
54	61	m_joy3(*this, "JOY3"),
55	62	m_region_maincpu(*this, "maincpu"),
56		m_region_user1(*this, "user1"),
57		m_region_user2(*this, "user2"),
	63	m_region_os(*this, "os"),
	64	m_region_opt(*this, "option"),
	65	m_region_dfs(*this, "dfs"),
58	66	m_bank1(*this, "bank1"),
59	67	m_bank2(*this, "bank2"),
60	68	m_bank3(*this, "bank3"),
r32627	r32628
68	76	m_via_user_irq(CLEAR_LINE),
69	77	m_acia_irq(CLEAR_LINE),
70	78	m_palette(*this, "palette")
71		{
72		}
	79	{ }
73	80
74	81	DECLARE_WRITE8_MEMBER(bbc_page_selecta_w);
75	82	DECLARE_WRITE8_MEMBER(bbc_memorya1_w);
r32627	r32628
161	168	UPD7002_GET_ANALOGUE(BBC_get_analogue_input);
162	169	UPD7002_EOC(BBC_uPD7002_EOC);
163	170
164		int exp_rom_load(device_image_interface &image, int index);
165		DECLARE_DEVICE_IMAGE_LOAD_MEMBER( bbc_exp_rom );
166		DECLARE_DEVICE_IMAGE_LOAD_MEMBER( bbcm_cart );
	171	void bbc_setup_banks(memory_bank *membank, int banks, UINT32 shift, UINT32 size);
	172	void bbcm_setup_banks(memory_bank *membank, int banks, UINT32 shift, UINT32 size);
167	173
	174	int bbc_load_cart(device_image_interface &image, generic_slot_device *slot);
	175	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(exp1_load) { return bbc_load_cart(image, m_exp1); }
	176	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(exp2_load) { return bbc_load_cart(image, m_exp2); }
	177	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(exp3_load) { return bbc_load_cart(image, m_exp3); }
	178	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(exp4_load) { return bbc_load_cart(image, m_exp4); }
	179
	180	int bbcm_load_cart(device_image_interface &image, generic_slot_device *slot);
	181	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(bbcm_exp1_load) { return bbcm_load_cart(image, m_exp1); }
	182	DECLARE_DEVICE_IMAGE_LOAD_MEMBER(bbcm_exp2_load) { return bbcm_load_cart(image, m_exp2); }
	183
168	184	MC6845_UPDATE_ROW(crtc_update_row);
169	185
170	186	private:
r32627	r32628
184	200	optional_device<via6522_device> m_via6522_1;
185	201	optional_device<upd7002_device> m_upd7002;
186	202	optional_device<i8271_device> m_i8271;
	203	required_device<generic_slot_device> m_exp1;
	204	required_device<generic_slot_device> m_exp2;
	205	optional_device<generic_slot_device> m_exp3;
	206	optional_device<generic_slot_device> m_exp4;
187	207	optional_ioport m_joy0, m_joy1, m_joy2, m_joy3;
188	208
189	209	required_memory_region m_region_maincpu;
190		required_memory_region m_region_user1;
191		optional_memory_region m_region_user2;
	210	required_memory_region m_region_os;
	211	required_memory_region m_region_opt;
	212	optional_memory_region m_region_dfs;
192	213	required_memory_bank m_bank1; // bbca bbcb bbcbp bbcbp128 bbcm
193	214	optional_memory_bank m_bank2; //           bbcbp bbcbp128 bbcm
194	215	optional_memory_bank m_bank3; // bbca bbcb

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