summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/unittest-cpp/tests/TestCheckMacros.cpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/unittest-cpp/tests/TestCheckMacros.cpp')
0 files changed, 0 insertions, 0 deletions
ref='#n50'>50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694
// license:BSD-3-Clause
// copyright-holders:R. Belmont
/***************************************************************************

    apple2.c - Apple II/II Plus and clones

    Next generation driver written in September/October 2014 by R. Belmont.
    Thanks to the original Apple II series driver's authors: Mike Balfour, Nathan Woods, and R. Belmont
    Special thanks to the Apple II Documentation Project/Antoine Vignau and Peter Ferrie.

II: original base model.  RAM sizes of 4, 8, 12, 16, 20, 24, 32, 36, and 48 KB possible.
    8K of ROM at $E000-$FFFF, empty sockets for $D000-$D7FF and $D800-$DFFF.
    Programmer's Aid #1 was sold by Apple for $D000-$D7FF, some third-party ROMs
    were also available.

    Revision 0 (very rare) had only 4 hi-res colors (blue and orange were missing).
    Revision 0 boards also did not include a color killer in text mode, making text
    fringey on color TVs/monitors.

    ROM contains original non-autostart Monitor and Integer BASIC; apparently
    Autostart + Integer is also possible.

II Plus: RAM options reduced to 16/32/48 KB.
    ROM expanded to 12KB from $D000-$FFFF containing Applesoft BASIC and
    the Autostart Monitor.  Applesoft is a licensed version of Microsoft's
    6502 BASIC as also found in Commodore and many other computers.


    Users of both models often connected the SHIFT key to the paddle #2 button
    (mapped to $C063) in order to inform properly written software that characters
    were to be intended upper/lower case.

    Both models commonly included a RAM "language card" in slot 0 which added 16K
    of RAM which could be banked into the $D000-$FFFF space to replace the ROMs.
    This allowed running Applesoft on a II and Integer BASIC on a II Plus.
    A II Plus with this card installed is often called a "64K Apple II"; this is
    the base configuration required to run ProDOS and some larger games.

************************************************************************/

#include "emu.h"
#include "machine/bankdev.h"
#include "machine/ram.h"
#include "machine/kb3600.h"
#include "sound/speaker.h"
#include "imagedev/flopdrv.h"
#include "imagedev/cassette.h"
#include "formats/ap2_dsk.h"
#include "cpu/m6502/m6502.h"
#include "includes/apple2.h"
#include "video/apple2.h"

#include "bus/a2bus/a2bus.h"
#include "bus/a2bus/a2diskii.h"
#include "bus/a2bus/a2diskiing.h"
#include "bus/a2bus/a2mockingboard.h"
#include "bus/a2bus/a2cffa.h"
#include "bus/a2bus/a2memexp.h"
#include "bus/a2bus/a2scsi.h"
#include "bus/a2bus/a2thunderclock.h"
#include "bus/a2bus/a2softcard.h"
#include "bus/a2bus/a2videoterm.h"
#include "bus/a2bus/a2ssc.h"
#include "bus/a2bus/a2swyft.h"
#include "bus/a2bus/a2themill.h"
#include "bus/a2bus/a2sam.h"
#include "bus/a2bus/a2alfam2.h"
#include "bus/a2bus/laser128.h"
#include "bus/a2bus/a2echoii.h"
#include "bus/a2bus/a2arcadebd.h"
#include "bus/a2bus/a2midi.h"
#include "bus/a2bus/a2zipdrive.h"
#include "bus/a2bus/a2applicard.h"
#include "bus/a2bus/a2ultraterm.h"
#include "bus/a2bus/a2pic.h"
#include "bus/a2bus/a2corvus.h"
#include "bus/a2bus/a2mcms.h"
#include "bus/a2bus/a2dx1.h"
#include "bus/a2bus/timemasterho.h"
#include "bus/a2bus/mouse.h"
#include "bus/a2bus/ramcard16k.h"
#include "bus/a2bus/ramcard128k.h"
#include "bus/a2bus/ezcgi.h"

#include "softlist.h"

#define A2_CPU_TAG "maincpu"
#define A2_KBDC_TAG "ay3600"
#define A2_BUS_TAG "a2bus"
#define A2_SPEAKER_TAG "speaker"
#define A2_CASSETTE_TAG "tape"
#define A2_UPPERBANK_TAG "inhbank"
#define A2_VIDEO_TAG "a2video"

class napple2_state : public driver_device
{
public:
	napple2_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_maincpu(*this, A2_CPU_TAG),
		m_ram(*this, RAM_TAG),
		m_ay3600(*this, A2_KBDC_TAG),
		m_video(*this, A2_VIDEO_TAG),
		m_a2bus(*this, A2_BUS_TAG),
		m_joy1x(*this, "joystick_1_x"),
		m_joy1y(*this, "joystick_1_y"),
		m_joy2x(*this, "joystick_2_x"),
		m_joy2y(*this, "joystick_2_y"),
		m_joybuttons(*this, "joystick_buttons"),
		m_kbspecial(*this, "keyb_special"),
		m_kbrepeat(*this, "keyb_repeat"),
		m_resetdip(*this, "reset_dip"),
		m_sysconfig(*this, "a2_config"),
		m_speaker(*this, A2_SPEAKER_TAG),
		m_cassette(*this, A2_CASSETTE_TAG),
		m_upperbank(*this, A2_UPPERBANK_TAG)
	{ }

	required_device<cpu_device> m_maincpu;
	required_device<ram_device> m_ram;
	required_device<ay3600_device> m_ay3600;
	required_device<a2_video_device> m_video;
	required_device<a2bus_device> m_a2bus;
	required_ioport m_joy1x, m_joy1y, m_joy2x, m_joy2y, m_joybuttons;
	required_ioport m_kbspecial;
	required_ioport m_kbrepeat;
	optional_ioport m_resetdip;
	required_ioport m_sysconfig;
	required_device<speaker_sound_device> m_speaker;
	required_device<cassette_image_device> m_cassette;
	required_device<address_map_bank_device> m_upperbank;

	TIMER_DEVICE_CALLBACK_MEMBER(apple2_interrupt);
	TIMER_DEVICE_CALLBACK_MEMBER(ay3600_repeat);

	virtual void machine_start() override;
	virtual void machine_reset() override;

	DECLARE_PALETTE_INIT(apple2);
	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	UINT32 screen_update_jp(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);

	DECLARE_READ8_MEMBER(ram_r);
	DECLARE_WRITE8_MEMBER(ram_w);
	DECLARE_READ8_MEMBER(c000_r);
	DECLARE_WRITE8_MEMBER(c000_w);
	DECLARE_READ8_MEMBER(c080_r);
	DECLARE_WRITE8_MEMBER(c080_w);
	DECLARE_READ8_MEMBER(c100_r);
	DECLARE_WRITE8_MEMBER(c100_w);
	DECLARE_READ8_MEMBER(c800_r);
	DECLARE_WRITE8_MEMBER(c800_w);
	DECLARE_READ8_MEMBER(inh_r);
	DECLARE_WRITE8_MEMBER(inh_w);
	DECLARE_WRITE_LINE_MEMBER(a2bus_irq_w);
	DECLARE_WRITE_LINE_MEMBER(a2bus_nmi_w);
	DECLARE_WRITE_LINE_MEMBER(a2bus_inh_w);
	DECLARE_READ_LINE_MEMBER(ay3600_shift_r);
	DECLARE_READ_LINE_MEMBER(ay3600_control_r);
	DECLARE_WRITE_LINE_MEMBER(ay3600_data_ready_w);
	DECLARE_WRITE_LINE_MEMBER(ay3600_ako_w);

private:
	int m_speaker_state;
	int m_cassette_state;

	double m_joystick_x1_time;
	double m_joystick_y1_time;
	double m_joystick_x2_time;
	double m_joystick_y2_time;

	UINT16 m_lastchar, m_strobe;
	UINT8 m_transchar;
	bool m_anykeydown;

	int m_inh_slot;
	int m_cnxx_slot;

	bool m_page2;
	bool m_an0, m_an1, m_an2, m_an3;

	UINT8 *m_ram_ptr;
	int m_ram_size;

	int m_inh_bank;

	double m_x_calibration, m_y_calibration;

	device_a2bus_card_interface *m_slotdevice[8];

	void do_io(address_space &space, int offset);
	UINT8 read_floatingbus();
};

/***************************************************************************
    PARAMETERS
***************************************************************************/

#define JOYSTICK_DELTA          80
#define JOYSTICK_SENSITIVITY    50
#define JOYSTICK_AUTOCENTER     80

WRITE_LINE_MEMBER(napple2_state::a2bus_irq_w)
{
	m_maincpu->set_input_line(M6502_IRQ_LINE, state);
}

WRITE_LINE_MEMBER(napple2_state::a2bus_nmi_w)
{
	m_maincpu->set_input_line(INPUT_LINE_NMI, state);
}

// This code makes a ton of assumptions because we can guarantee a pre-IIe machine!
WRITE_LINE_MEMBER(napple2_state::a2bus_inh_w)
{
	if (state == ASSERT_LINE)
	{
		// assume no cards are pulling /INH
		m_inh_slot = -1;

		// scan the slots to figure out which card(s) are INHibiting stuff
		for (int i = 0; i <= 7; i++)
		{
			if (m_slotdevice[i])
			{
				// this driver only can inhibit from 0xd000-0xffff
				if ((m_slotdevice[i]->inh_start() == 0xd000) &&
					(m_slotdevice[i]->inh_end() == 0xffff))
				{
					if ((m_slotdevice[i]->inh_type() & INH_READ) == INH_READ)
					{
						if (m_inh_bank != 1)
						{
							m_upperbank->set_bank(1);
							m_inh_bank = 1;
						}
					}
					else
					{
						if (m_inh_bank != 0)
						{
							m_upperbank->set_bank(0);
							m_inh_bank = 0;
						}
					}

					m_inh_slot = i;
					break;
				}
			}
		}

		// if no slots are inhibiting, make sure ROM is fully switched in
		if ((m_inh_slot == -1) && (m_inh_bank != 0))
		{
			m_upperbank->set_bank(0);
			m_inh_bank = 0;
		}
	}
}

/***************************************************************************
    START/RESET
***************************************************************************/

void napple2_state::machine_start()
{
	m_ram_ptr = m_ram->pointer();
	m_ram_size = m_ram->size();
	m_speaker_state = 0;
	m_speaker->level_w(m_speaker_state);
	m_cassette_state = 0;
	m_cassette->output(-1.0f);
	m_upperbank->set_bank(0);
	m_inh_bank = 0;

	// precalculate joystick time constants
	m_x_calibration = attotime::from_usec(12).as_double();
	m_y_calibration = attotime::from_usec(13).as_double();

	// cache slot devices
	for (int i = 0; i <= 7; i++)
	{
		m_slotdevice[i] = m_a2bus->get_a2bus_card(i);
	}

	// setup save states
	save_item(NAME(m_speaker_state));
	save_item(NAME(m_cassette_state));
	save_item(NAME(m_joystick_x1_time));
	save_item(NAME(m_joystick_y1_time));
	save_item(NAME(m_joystick_x2_time));
	save_item(NAME(m_joystick_y2_time));
	save_item(NAME(m_lastchar));
	save_item(NAME(m_strobe));
	save_item(NAME(m_transchar));
	save_item(NAME(m_inh_slot));
	save_item(NAME(m_inh_bank));
	save_item(NAME(m_cnxx_slot));
	save_item(NAME(m_page2));
	save_item(NAME(m_an0));
	save_item(NAME(m_an1));
	save_item(NAME(m_an2));
	save_item(NAME(m_an3));
	save_item(NAME(m_anykeydown));

	// setup video pointers
	m_video->m_ram_ptr = m_ram_ptr;
	m_video->m_aux_ptr = m_ram_ptr;
	m_video->m_char_ptr = memregion("gfx1")->base();
	m_video->m_char_size = memregion("gfx1")->bytes();
}

void napple2_state::machine_reset()
{
	m_inh_slot = -1;
	m_cnxx_slot = -1;
	m_page2 = false;
	m_an0 = m_an1 = m_an2 = m_an3 = false;
	m_anykeydown = false;
}

/***************************************************************************
    VIDEO
***************************************************************************/

TIMER_DEVICE_CALLBACK_MEMBER(napple2_state::apple2_interrupt)
{
	int scanline = param;

	// update the video system's shadow copy of the system config at the end of the frame
	if (scanline == 192)
	{
		m_video->m_sysconfig = m_sysconfig->read();

		// check reset
		if (m_resetdip) // if reset DIP is present, use it
		{
			if (m_resetdip->read() & 1)
			{       // CTRL-RESET
				if ((m_kbspecial->read() & 0x88) == 0x88)
				{
					m_maincpu->reset();
				}
			}
			else    // plain RESET
			{
				if (m_kbspecial->read() & 0x80)
				{
					m_maincpu->reset();
				}
			}
		}
		else    // no DIP, so always plain RESET
		{
			if (m_kbspecial->read() & 0x80)
			{
				m_maincpu->reset();
			}
		}
	}
}

PALETTE_INIT_MEMBER(napple2_state, apple2)
{
	m_video->palette_init_apple2(palette);
}

UINT32 napple2_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	// always update the flash timer here so it's smooth regardless of mode switches
	m_video->m_flash = ((machine().time() * 4).seconds() & 1) ? true : false;

	if (m_video->m_graphics)
	{
		if (m_video->m_hires)
		{
			if (m_video->m_mix)
			{
				m_video->hgr_update(screen, bitmap, cliprect, 0, 159);
				if (!strcmp(machine().system().name, "ivelultr"))
				{
					m_video->text_update_ultr(screen, bitmap, cliprect, 160, 191);
				}
				else
				{
					m_video->text_update_orig(screen, bitmap, cliprect, 160, 191);
				}
			}
			else
			{
				m_video->hgr_update(screen, bitmap, cliprect, 0, 191);
			}
		}
		else    // lo-res
		{
			if (m_video->m_mix)
			{
				m_video->lores_update(screen, bitmap, cliprect, 0, 159);
				if (!strcmp(machine().system().name, "ivelultr"))
				{
					m_video->text_update_ultr(screen, bitmap, cliprect, 160, 191);
				}
				else
				{
					m_video->text_update_orig(screen, bitmap, cliprect, 160, 191);
				}
			}
			else
			{
				m_video->lores_update(screen, bitmap, cliprect, 0, 191);
			}
		}
	}
	else
	{
		if (!strcmp(machine().system().name, "ivelultr"))
		{
			m_video->text_update_ultr(screen, bitmap, cliprect, 0, 191);
		}
		else
		{
			m_video->text_update_orig(screen, bitmap, cliprect, 0, 191);
		}
	}

	return 0;
}

UINT32 napple2_state::screen_update_jp(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
	// always update the flash timer here so it's smooth regardless of mode switches
	m_video->m_flash = ((machine().time() * 4).seconds() & 1) ? true : false;

	if (m_video->m_graphics)
	{
		if (m_video->m_hires)
		{
			if (m_video->m_mix)
			{
				m_video->hgr_update(screen, bitmap, cliprect, 0, 159);
				m_video->text_update_jplus(screen, bitmap, cliprect, 160, 191);
			}
			else
			{
				m_video->hgr_update(screen, bitmap, cliprect, 0, 191);
			}
		}
		else    // lo-res
		{
			if (m_video->m_mix)
			{
				m_video->lores_update(screen, bitmap, cliprect, 0, 159);
				m_video->text_update_jplus(screen, bitmap, cliprect, 160, 191);
			}
			else
			{
				m_video->lores_update(screen, bitmap, cliprect, 0, 191);
			}
		}
	}
	else
	{
		m_video->text_update_jplus(screen, bitmap, cliprect, 0, 191);
	}

	return 0;
}

/***************************************************************************
    I/O
***************************************************************************/
// most softswitches don't care about read vs write, so handle them here
void napple2_state::do_io(address_space &space, int offset)
{
	if(space.debugger_access())
	{
		return;
	}

	switch (offset)
	{
		case 0x20:
			m_cassette_state ^= 1;
			m_cassette->output(m_cassette_state ? 1.0f : -1.0f);
			break;

		case 0x30:
			m_speaker_state ^= 1;
			m_speaker->level_w(m_speaker_state);
			break;

		case 0x50:  // graphics mode
			machine().first_screen()->update_now();
			m_video->m_graphics = true; break;

		case 0x51:  // text mode
			machine().first_screen()->update_now();
			m_video->m_graphics = false; break;

		case 0x52:  // no mix
			machine().first_screen()->update_now();
			m_video->m_mix = false; break;

		case 0x53:  // mixed mode
			machine().first_screen()->update_now();
			m_video->m_mix = true; break;

		case 0x54:  // set page 1
			machine().first_screen()->update_now();
			m_page2 = false;
			m_video->m_page2 = false;
			break;

		case 0x55:  // set page 2
			machine().first_screen()->update_now();
			m_page2 = true;
			m_video->m_page2 = true;
			break;

		case 0x56: // select lo-res
			machine().first_screen()->update_now();
			m_video->m_hires = false; break;

		case 0x57: // select hi-res
			machine().first_screen()->update_now();
			m_video->m_hires = true; break;

		case 0x58: // AN0 off
			m_an0 = false; break;

		case 0x59: // AN0 on
			m_an0 = true; break;

		case 0x5a: // AN1 off
			m_an1 = false; break;

		case 0x5b: // AN1 on
			m_an1 = true; break;

		case 0x5c: // AN2 off
			m_an2 = false;
			m_video->m_an2 = false;
			break;

		case 0x5d: // AN2 on
			m_an2 = true;
			m_video->m_an2 = true;
			break;

		case 0x5e: // AN3 off
			m_an3 = false; break;

		case 0x5f: // AN3 on
			m_an3 = true; break;

		case 0x68:  // IIgs STATE register, which ProDOS touches
			break;

		case 0x70: case 0x71: case 0x72: case 0x73: case 0x74: case 0x75: case 0x76: case 0x77:
		case 0x78: case 0x79: case 0x7a: case 0x7b: case 0x7c: case 0x7d: case 0x7e: case 0x7f:
			m_joystick_x1_time = machine().time().as_double() + m_x_calibration * m_joy1x->read();
			m_joystick_y1_time = machine().time().as_double() + m_y_calibration * m_joy1y->read();
			m_joystick_x2_time = machine().time().as_double() + m_x_calibration * m_joy2x->read();
			m_joystick_y2_time = machine().time().as_double() + m_y_calibration * m_joy2y->read();
			break;
	}
}

READ8_MEMBER(napple2_state::c000_r)
{
	switch (offset)
	{
		case 0x00:  // keyboard latch
			return m_transchar | m_strobe;

		case 0x10:  // reads any key down, clears strobe
			{
				UINT8 rv = m_transchar | (m_anykeydown ? 0x80 : 0x00);
				m_strobe = 0;
				return rv;
			}

		case 0x60: // cassette in
		case 0x68:
			return m_cassette->input() > 0.0 ? 0x80 : 0;

		case 0x61:  // button 0
		case 0x69:
			return (m_joybuttons->read() & 0x10) ? 0x80 : 0;

		case 0x62:  // button 1
		case 0x6a:
			return (m_joybuttons->read() & 0x20) ? 0x80 : 0;

		case 0x63:  // button 2
		case 0x6b:
			// check if SHIFT key mod configured
			if (m_sysconfig->read() & 0x04)
			{
				return ((m_joybuttons->read() & 0x40) || (m_kbspecial->read() & 0x06)) ? 0x80 : 0;
			}
			return (m_joybuttons->read() & 0x40) ? 0x80 : 0;

		case 0x64:  // joy 1 X axis
		case 0x6c:
			return (space.machine().time().as_double() < m_joystick_x1_time) ? 0x80 : 0;

		case 0x65:  // joy 1 Y axis
		case 0x6d:
			return (space.machine().time().as_double() < m_joystick_y1_time) ? 0x80 : 0;

		case 0x66: // joy 2 X axis
		case 0x6e:
			return (space.machine().time().as_double() < m_joystick_x2_time) ? 0x80 : 0;

		case 0x67: // joy 2 Y axis
		case 0x6f:
			return (space.machine().time().as_double() < m_joystick_y2_time) ? 0x80 : 0;

		default:
			do_io(space, offset);
			break;
	}

	return read_floatingbus();
}

WRITE8_MEMBER(napple2_state::c000_w)
{
	switch (offset)
	{
		case 0x10:  // clear keyboard latch
			m_strobe = 0;
			break;

		default:
			do_io(space, offset);
			break;
	}
}

READ8_MEMBER(napple2_state::c080_r)
{
	if(!space.debugger_access())
	{
		int slot;

		offset &= 0x7F;
		slot = offset / 0x10;

		if (m_slotdevice[slot] != nullptr)
		{
			return m_slotdevice[slot]->read_c0nx(space, offset % 0x10);
		}
	}

	return read_floatingbus();
}

WRITE8_MEMBER(napple2_state::c080_w)
{
	int slot;

	offset &= 0x7F;
	slot = offset / 0x10;

	if (m_slotdevice[slot] != nullptr)
	{
		m_slotdevice[slot]->write_c0nx(space, offset % 0x10, data);
	}
}

READ8_MEMBER(napple2_state::c100_r)
{
	int slotnum;

	slotnum = ((offset>>8) & 0xf) + 1;

	if (m_slotdevice[slotnum] != nullptr)
	{
		if ((m_slotdevice[slotnum]->take_c800()) && (!space.debugger_access()))
		{
			m_cnxx_slot = slotnum;
		}

		return m_slotdevice[slotnum]->read_cnxx(space, offset&0xff);
	}

	return read_floatingbus();
}

WRITE8_MEMBER(napple2_state::c100_w)
{
	int slotnum;

	slotnum = ((offset>>8) & 0xf) + 1;

	if (m_slotdevice[slotnum] != nullptr)
	{
		if ((m_slotdevice[slotnum]->take_c800()) && (!space.debugger_access()))
		{
			m_cnxx_slot = slotnum;
		}

		m_slotdevice[slotnum]->write_cnxx(space, offset&0xff, data);
	}
}

READ8_MEMBER(napple2_state::c800_r)
{
	if (offset == 0x7ff)
	{
		if (!space.debugger_access())
		{
			m_cnxx_slot = -1;
		}

		return 0xff;
	}

	if ((m_cnxx_slot != -1) && (m_slotdevice[m_cnxx_slot] != nullptr))
	{
		return m_slotdevice[m_cnxx_slot]->read_c800(space, offset&0xfff);
	}

	return read_floatingbus();
}

WRITE8_MEMBER(napple2_state::c800_w)
{
	if (offset == 0x7ff)
	{
		if (!space.debugger_access())
		{
			m_cnxx_slot = -1;
		}

		return;
	}

	if ((m_cnxx_slot != -1) && (m_slotdevice[m_cnxx_slot] != nullptr))
	{
		m_slotdevice[m_cnxx_slot]->write_c800(space, offset&0xfff, data);
	}
}

READ8_MEMBER(napple2_state::inh_r)
{
	if (m_inh_slot != -1)
	{
		return m_slotdevice[m_inh_slot]->read_inh_rom(space, offset + 0xd000);
	}

	assert(0);  // hitting inh_r with invalid m_inh_slot should not be possible
	return read_floatingbus();
}

WRITE8_MEMBER(napple2_state::inh_w)
{
	if (m_inh_slot != -1)
	{
		m_slotdevice[m_inh_slot]->write_inh_rom(space, offset + 0xd000, data);
	}
}

// floating bus code from old machine/apple2: needs to be reworked based on real beam position to enable e.g. Bob Bishop's screen splitter
UINT8 napple2_state::read_floatingbus()
{
	enum
	{
		// scanner types
		kScannerNone = 0, kScannerApple2, kScannerApple2e,

		// scanner constants
		kHBurstClock      =    53, // clock when Color Burst starts
		kHBurstClocks     =     4, // clocks per Color Burst duration
		kHClock0State     =  0x18, // H[543210] = 011000
		kHClocks          =    65, // clocks per horizontal scan (including HBL)
		kHPEClock         =    40, // clock when HPE (horizontal preset enable) goes low
		kHPresetClock     =    41, // clock when H state presets
		kHSyncClock       =    49, // clock when HSync starts
		kHSyncClocks      =     4, // clocks per HSync duration
		kNTSCScanLines    =   262, // total scan lines including VBL (NTSC)
		kNTSCVSyncLine    =   224, // line when VSync starts (NTSC)
		kPALScanLines     =   312, // total scan lines including VBL (PAL)
		kPALVSyncLine     =   264, // line when VSync starts (PAL)
		kVLine0State      = 0x100, // V[543210CBA] = 100000000
		kVPresetLine      =   256, // line when V state presets
		kVSyncLines       =     4, // lines per VSync duration
		kClocksPerVSync   = kHClocks * kNTSCScanLines // FIX: NTSC only?
	};

	// vars
	//
	int i, Hires, Mixed, Page2, _80Store, ScanLines, /* VSyncLine, ScanCycles,*/
		h_clock, h_state, h_0, h_1, h_2, h_3, h_4, h_5,
		v_line, v_state, v_A, v_B, v_C, v_0, v_1, v_2, v_3, v_4, /* v_5, */
		_hires, addend0, addend1, addend2, sum, address;

	// video scanner data
	//
	i = m_maincpu->total_cycles() % kClocksPerVSync; // cycles into this VSync

	// machine state switches
	//
	Hires    = (m_video->m_hires && m_video->m_graphics) ? 1 : 0;
	Mixed    = m_video->m_mix ? 1 : 0;
	Page2    = m_page2 ? 1 : 0;
	_80Store = 0;

	// calculate video parameters according to display standard
	//
	ScanLines  = 1 ? kNTSCScanLines : kPALScanLines; // FIX: NTSC only?
	// VSyncLine  = 1 ? kNTSCVSyncLine : kPALVSyncLine; // FIX: NTSC only?
	// ScanCycles = ScanLines * kHClocks;

	// calculate horizontal scanning state
	//
	h_clock = (i + kHPEClock) % kHClocks; // which horizontal scanning clock
	h_state = kHClock0State + h_clock; // H state bits
	if (h_clock >= kHPresetClock) // check for horizontal preset
	{
		h_state -= 1; // correct for state preset (two 0 states)
	}
	h_0 = (h_state >> 0) & 1; // get horizontal state bits
	h_1 = (h_state >> 1) & 1;
	h_2 = (h_state >> 2) & 1;
	h_3 = (h_state >> 3) & 1;
	h_4 = (h_state >> 4) & 1;
	h_5 = (h_state >> 5) & 1;

	// calculate vertical scanning state
	//
	v_line  = i / kHClocks; // which vertical scanning line
	v_state = kVLine0State + v_line; // V state bits
	if ((v_line >= kVPresetLine)) // check for previous vertical state preset
	{
		v_state -= ScanLines; // compensate for preset
	}
	v_A = (v_state >> 0) & 1; // get vertical state bits
	v_B = (v_state >> 1) & 1;
	v_C = (v_state >> 2) & 1;
	v_0 = (v_state >> 3) & 1;
	v_1 = (v_state >> 4) & 1;
	v_2 = (v_state >> 5) & 1;
	v_3 = (v_state >> 6) & 1;
	v_4 = (v_state >> 7) & 1;
	//v_5 = (v_state >> 8) & 1;

	// calculate scanning memory address
	//
	_hires = Hires;
	if (Hires && Mixed && (v_4 & v_2))
	{
		_hires = 0; // (address is in text memory)
	}

	addend0 = 0x68; // 1            1            0            1
	addend1 =              (h_5 << 5) | (h_4 << 4) | (h_3 << 3);
	addend2 = (v_4 << 6) | (v_3 << 5) | (v_4 << 4) | (v_3 << 3);
	sum     = (addend0 + addend1 + addend2) & (0x0F << 3);

	address = 0;
	address |= h_0 << 0; // a0
	address |= h_1 << 1; // a1
	address |= h_2 << 2; // a2
	address |= sum;      // a3 - aa6
	address |= v_0 << 7; // a7
	address |= v_1 << 8; // a8
	address |= v_2 << 9; // a9
	address |= ((_hires) ? v_A : (1 ^ (Page2 & (1 ^ _80Store)))) << 10; // a10
	address |= ((_hires) ? v_B : (Page2 & (1 ^ _80Store))) << 11; // a11
	if (_hires) // hires?
	{
		// Y: insert hires only address bits
		//
		address |= v_C << 12; // a12
		address |= (1 ^ (Page2 & (1 ^ _80Store))) << 13; // a13
		address |= (Page2 & (1 ^ _80Store)) << 14; // a14
	}
	else
	{
		// N: text, so no higher address bits unless Apple ][, not Apple //e
		//
		if ((1) && // Apple ][? // FIX: check for Apple ][? (FB is most useful in old games)
			(kHPEClock <= h_clock) && // Y: HBL?
			(h_clock <= (kHClocks - 1)))
		{
			address |= 1 << 12; // Y: a12 (add $1000 to address!)
		}
	}

	return m_ram_ptr[address % m_ram_size]; // FIX: this seems to work, but is it right!?
}

/***************************************************************************
    ADDRESS MAP
***************************************************************************/

READ8_MEMBER(napple2_state::ram_r)
{
	if (offset < m_ram_size)
	{
		return m_ram_ptr[offset];
	}

	return 0xff;
}

WRITE8_MEMBER(napple2_state::ram_w)
{
	if (offset < m_ram_size)
	{
		m_ram_ptr[offset] = data;
	}
}

static ADDRESS_MAP_START( apple2_map, AS_PROGRAM, 8, napple2_state )
	AM_RANGE(0x0000, 0xbfff) AM_READWRITE(ram_r, ram_w)
	AM_RANGE(0xc000, 0xc07f) AM_READWRITE(c000_r, c000_w)
	AM_RANGE(0xc080, 0xc0ff) AM_READWRITE(c080_r, c080_w)
	AM_RANGE(0xc100, 0xc7ff) AM_READWRITE(c100_r, c100_w)
	AM_RANGE(0xc800, 0xcfff) AM_READWRITE(c800_r, c800_w)
	AM_RANGE(0xd000, 0xffff) AM_DEVICE(A2_UPPERBANK_TAG, address_map_bank_device, amap8)
ADDRESS_MAP_END

static ADDRESS_MAP_START( inhbank_map, AS_PROGRAM, 8, napple2_state )
	AM_RANGE(0x0000, 0x2fff) AM_ROM AM_REGION("maincpu", 0x1000) AM_WRITE(inh_w)
	AM_RANGE(0x3000, 0x5fff) AM_READWRITE(inh_r, inh_w)
ADDRESS_MAP_END

/***************************************************************************
    KEYBOARD
***************************************************************************/

READ_LINE_MEMBER(napple2_state::ay3600_shift_r)
{
	// either shift key
	if (m_kbspecial->read() & 0x06)
	{
		return ASSERT_LINE;
	}

	return CLEAR_LINE;
}

READ_LINE_MEMBER(napple2_state::ay3600_control_r)
{
	if (m_kbspecial->read() & 0x08)
	{
		return ASSERT_LINE;
	}

	return CLEAR_LINE;
}

static const UINT8 a2_key_remap[0x32][4] =
{
/*    norm shft ctrl both */
	{ 0x33,0x23,0x33,0x23 },    /* 3 #     00     */
	{ 0x34,0x24,0x34,0x24 },    /* 4 $     01     */
	{ 0x35,0x25,0x35,0x25 },    /* 5 %     02     */
	{ 0x36,'&', 0x35,'&'  },    /* 6 &     03     */
	{ 0x37,0x27,0x37,0x27 },    /* 7 '     04     */
	{ 0x38,0x28,0x38,0x28 },    /* 8 (     05     */
	{ 0x39,0x29,0x39,0x29 },    /* 9 )     06     */
	{ 0x30,0x30,0x30,0x30 },    /* 0       07     */
	{ 0x3a,0x2a,0x3b,0x2a },    /* : *     08     */
	{ 0x2d,0x3d,0x2d,0x3d },    /* - =     09     */
	{ 0x51,0x51,0x11,0x11 },    /* q Q     0a     */
	{ 0x57,0x57,0x17,0x17 },    /* w W     0b     */
	{ 0x45,0x45,0x05,0x05 },    /* e E     0c     */
	{ 0x52,0x52,0x12,0x12 },    /* r R     0d     */
	{ 0x54,0x54,0x14,0x14 },    /* t T     0e     */
	{ 0x59,0x59,0x19,0x19 },    /* y Y     0f     */
	{ 0x55,0x55,0x15,0x15 },    /* u U     10     */
	{ 0x49,0x49,0x09,0x09 },    /* i I     11     */
	{ 0x4f,0x4f,0x0f,0x0f },    /* o O     12     */
	{ 0x50,0x40,0x10,0x40 },    /* p P     13     */
	{ 0x44,0x44,0x04,0x04 },    /* d D     14     */
	{ 0x46,0x46,0x06,0x06 },    /* f F     15     */
	{ 0x47,0x47,0x07,0x07 },    /* g G     16     */
	{ 0x48,0x48,0x08,0x08 },    /* h H     17     */
	{ 0x4a,0x4a,0x0a,0x0a },    /* j J     18     */
	{ 0x4b,0x4b,0x0b,0x0b },    /* k K     19     */
	{ 0x4c,0x4c,0x0c,0x0c },    /* l L     1a     */
	{ ';' ,0x2b,';' ,0x2b },    /* ; +     1b     */
	{ 0x08,0x08,0x08,0x08 },    /* Left    1c     */
	{ 0x15,0x15,0x15,0x15 },    /* Right   1d     */
	{ 0x5a,0x5a,0x1a,0x1a },    /* z Z     1e     */
	{ 0x58,0x58,0x18,0x18 },    /* x X     1f     */
	{ 0x43,0x43,0x03,0x03 },    /* c C     20     */
	{ 0x56,0x56,0x16,0x16 },    /* v V     21     */
	{ 0x42,0x42,0x02,0x02 },    /* b B     22     */
	{ 0x4e,0x5e,0x0e,0x5e },    /* n N     23     */
	{ 0x4d,0x4d,0x0d,0x0d },    /* m M     24     */
	{ 0x2c,0x3c,0x2c,0x3c },    /* , <     25     */
	{ 0x2e,0x3e,0x2e,0x3e },    /* . >     26     */
	{ 0x2f,0x3f,0x2f,0x3f },    /* / ?     27     */
	{ 0x53,0x53,0x13,0x13 },    /* s S     28     */
	{ 0x32,0x22,0x32,0x00 },    /* 2 "     29     */
	{ 0x31,0x21,0x31,0x31 },    /* 1 !     2a     */
	{ 0x1b,0x1b,0x1b,0x1b },    /* Escape  2b     */
	{ 0x41,0x41,0x01,0x01 },    /* a A     2c     */
	{ 0x20,0x20,0x20,0x20 },    /* Space   2d     */
	{ 0x00,0x00,0x00,0x00 },    /* 0x2e unused    */
	{ 0x00,0x00,0x00,0x00 },    /* 0x2f unused    */
	{ 0x00,0x00,0x00,0x00 },    /* 0x30 unused    */
	{ 0x0d,0x0d,0x0d,0x0d },    /* Enter   31     */
};

WRITE_LINE_MEMBER(napple2_state::ay3600_data_ready_w)
{
	if (state == ASSERT_LINE)
	{
		int mod = 0;
		m_lastchar = m_ay3600->b_r();

		mod = (m_kbspecial->read() & 0x06) ? 0x01 : 0x00;
		mod |= (m_kbspecial->read() & 0x08) ? 0x02 : 0x00;

		m_transchar = a2_key_remap[m_lastchar&0x3f][mod];

		if (m_transchar != 0)
		{
			m_strobe = 0x80;
//          printf("new char = %04x (%02x)\n", m_lastchar&0x3f, m_transchar);
		}
	}
}

WRITE_LINE_MEMBER(napple2_state::ay3600_ako_w)
{
	m_anykeydown = (state == ASSERT_LINE) ? true : false;
}

TIMER_DEVICE_CALLBACK_MEMBER(napple2_state::ay3600_repeat)
{
	// is the key still down?
	if (m_anykeydown)
	{
		if (m_kbrepeat->read() & 1)
		{
			m_strobe = 0x80;
		}
	}
}

/***************************************************************************
    INPUT PORTS
***************************************************************************/

static INPUT_PORTS_START( apple2_joystick )
	PORT_START("joystick_1_x")      /* Joystick 1 X Axis */
	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X) PORT_NAME("P1 Joystick X")
	PORT_SENSITIVITY(JOYSTICK_SENSITIVITY)
	PORT_KEYDELTA(JOYSTICK_DELTA)
	PORT_CENTERDELTA(JOYSTICK_AUTOCENTER)
	PORT_MINMAX(0,0xff) PORT_PLAYER(1)
	PORT_CODE_DEC(KEYCODE_4_PAD)    PORT_CODE_INC(KEYCODE_6_PAD)
	PORT_CODE_DEC(JOYCODE_X_LEFT_SWITCH)    PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH)

	PORT_START("joystick_1_y")      /* Joystick 1 Y Axis */
	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y) PORT_NAME("P1 Joystick Y")
	PORT_SENSITIVITY(JOYSTICK_SENSITIVITY)
	PORT_KEYDELTA(JOYSTICK_DELTA)
	PORT_CENTERDELTA(JOYSTICK_AUTOCENTER)
	PORT_MINMAX(0,0xff) PORT_PLAYER(1)
	PORT_CODE_DEC(KEYCODE_8_PAD)    PORT_CODE_INC(KEYCODE_2_PAD)
	PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH)      PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH)

	PORT_START("joystick_2_x")      /* Joystick 2 X Axis */
	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_X) PORT_NAME("P2 Joystick X")
	PORT_SENSITIVITY(JOYSTICK_SENSITIVITY)
	PORT_KEYDELTA(JOYSTICK_DELTA)
	PORT_CENTERDELTA(JOYSTICK_AUTOCENTER)
	PORT_MINMAX(0,0xff) PORT_PLAYER(2)
	PORT_CODE_DEC(JOYCODE_X_LEFT_SWITCH)    PORT_CODE_INC(JOYCODE_X_RIGHT_SWITCH)

	PORT_START("joystick_2_y")      /* Joystick 2 Y Axis */
	PORT_BIT( 0xff, 0x80, IPT_AD_STICK_Y) PORT_NAME("P2 Joystick Y")
	PORT_SENSITIVITY(JOYSTICK_SENSITIVITY)
	PORT_KEYDELTA(JOYSTICK_DELTA)
	PORT_CENTERDELTA(JOYSTICK_AUTOCENTER)
	PORT_MINMAX(0,0xff) PORT_PLAYER(2)
	PORT_CODE_DEC(JOYCODE_Y_UP_SWITCH)      PORT_CODE_INC(JOYCODE_Y_DOWN_SWITCH)

	PORT_START("joystick_buttons")
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1)  PORT_PLAYER(1)            PORT_CODE(KEYCODE_0_PAD)    PORT_CODE(JOYCODE_BUTTON1)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2)  PORT_PLAYER(1)            PORT_CODE(KEYCODE_ENTER_PAD)PORT_CODE(JOYCODE_BUTTON2)
	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON1)  PORT_PLAYER(2)            PORT_CODE(JOYCODE_BUTTON1)
INPUT_PORTS_END

INPUT_PORTS_START( apple2_gameport )
	PORT_INCLUDE( apple2_joystick )
INPUT_PORTS_END

INPUT_PORTS_START( apple2_sysconfig )
	PORT_START("a2_config")
	PORT_CONFNAME(0x03, 0x00, "Composite monitor type")
	PORT_CONFSETTING(0x00, "Color")
	PORT_CONFSETTING(0x01, "B&W")
	PORT_CONFSETTING(0x02, "Green")
	PORT_CONFSETTING(0x03, "Amber")

	PORT_CONFNAME(0x04, 0x04, "Shift key mod")  // default to installed
	PORT_CONFSETTING(0x00, "Not present")
	PORT_CONFSETTING(0x04, "Installed")
INPUT_PORTS_END

	/*
	  Apple II / II Plus key matrix (from "The Apple II Circuit Description")

	      | Y0  | Y1  | Y2  | Y3  | Y4  | Y5  | Y6  | Y7  | Y8  | Y9  |
	      |     |     |     |     |     |     |     |     |     |     |
	  ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
	  X0  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  | :*  |  -  |
	  ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
	  X1  |  Q  |  W  |  E  |  R  |  T  |  Y  |  U  |  I  |  O  |  P  |
	  ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
	  X2  |  D  |  F  |  G  |  H  |  J  |  K  |  L  | ;+  |LEFT |RIGHT|
	  ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
	  X3  |  Z  |  X  |  C  |  V  |  B  |  N  |  M  | ,<  | .>  |  /? |
	  ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
	  X4  |  S  |  2  |  1  | ESC |  A  |SPACE|     |     |     |ENTER|
	  ----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----|
	*/

static INPUT_PORTS_START( apple2_common )
	PORT_START("X0")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)  PORT_CHAR('3') PORT_CHAR('#')
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)  PORT_CHAR('4') PORT_CHAR('$')
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5)  PORT_CHAR('5') PORT_CHAR('%')
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6)  PORT_CHAR('6') PORT_CHAR('&')
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7)  PORT_CHAR('7') PORT_CHAR('\'')
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8)  PORT_CHAR('8') PORT_CHAR('(')
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9)  PORT_CHAR('9') PORT_CHAR(')')
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0)  PORT_CHAR('0')
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS)  PORT_CHAR(':') PORT_CHAR('*')
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-') PORT_CHAR('=')

	PORT_START("X1")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)  PORT_CHAR('Q') PORT_CHAR('q')
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)  PORT_CHAR('W') PORT_CHAR('w')
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)  PORT_CHAR('E') PORT_CHAR('e')
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)  PORT_CHAR('R') PORT_CHAR('r')
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T)  PORT_CHAR('T') PORT_CHAR('t')
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y)  PORT_CHAR('Y') PORT_CHAR('y')
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U)  PORT_CHAR('U') PORT_CHAR('u')
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I)  PORT_CHAR('I') PORT_CHAR('i')
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O)  PORT_CHAR('O') PORT_CHAR('o')
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P)  PORT_CHAR('P') PORT_CHAR('@')

	PORT_START("X2")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)  PORT_CHAR('D') PORT_CHAR('d')
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)  PORT_CHAR('F') PORT_CHAR('f')
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G)  PORT_CHAR('G') PORT_CHAR('g')
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H)  PORT_CHAR('H') PORT_CHAR('h')
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J)  PORT_CHAR('J') PORT_CHAR('j')
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K)  PORT_CHAR('K') PORT_CHAR('k')
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L)  PORT_CHAR('L') PORT_CHAR('l')
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_LEFT)      PORT_CODE(KEYCODE_LEFT)
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_RIGHT)     PORT_CODE(KEYCODE_RIGHT)

	PORT_START("X3")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)  PORT_CHAR('Z') PORT_CHAR('z')
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)  PORT_CHAR('X') PORT_CHAR('x')
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)  PORT_CHAR('C') PORT_CHAR('c')
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V)  PORT_CHAR('V') PORT_CHAR('v')
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B)  PORT_CHAR('B') PORT_CHAR('b')
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N)  PORT_CHAR('N') PORT_CHAR('^')
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M)  PORT_CHAR('M') PORT_CHAR('m')
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA)  PORT_CHAR(',') PORT_CHAR('<')
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP)   PORT_CHAR('.') PORT_CHAR('>')
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH)  PORT_CHAR('/') PORT_CHAR('?')

	PORT_START("X4")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)  PORT_CHAR('S') PORT_CHAR('s')
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)  PORT_CHAR('2') PORT_CHAR('\"')
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)  PORT_CHAR('1') PORT_CHAR('!')
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Esc")      PORT_CODE(KEYCODE_ESC)      PORT_CHAR(27)
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)          PORT_CHAR('A') PORT_CHAR('a')
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)  PORT_CHAR(' ')
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Return")   PORT_CODE(KEYCODE_ENTER)    PORT_CHAR(13)

	PORT_START("X5")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED)

	PORT_START("X6")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED)

	PORT_START("X7")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED)

	PORT_START("X8")
	PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED)

	PORT_START("keyb_special")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Left Shift")   PORT_CODE(KEYCODE_LSHIFT)   PORT_CHAR(UCHAR_SHIFT_1)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Right Shift")  PORT_CODE(KEYCODE_RSHIFT)   PORT_CHAR(UCHAR_SHIFT_1)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Control")      PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED)
	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RESET")        PORT_CODE(KEYCODE_F12)
INPUT_PORTS_END

static INPUT_PORTS_START( apple2 )
	PORT_INCLUDE(apple2_common)

	PORT_START("keyb_repeat")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("REPT")         PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\')

	/* other devices */
	PORT_INCLUDE( apple2_gameport )

	PORT_INCLUDE(apple2_sysconfig)
INPUT_PORTS_END

static INPUT_PORTS_START( apple2p )
	PORT_INCLUDE( apple2 )

	PORT_START("reset_dip")
	PORT_DIPNAME( 0x01, 0x01, "Reset" )
	PORT_DIPSETTING( 0x01, "CTRL-RESET" )
	PORT_DIPSETTING( 0x00, "RESET" )
INPUT_PORTS_END

static SLOT_INTERFACE_START(apple2_slot0_cards)
	SLOT_INTERFACE("lang", A2BUS_RAMCARD16K)      /* Apple II RAM Language Card */
	SLOT_INTERFACE("ssram", A2BUS_RAMCARD128K)    /* Saturn Systems 128K extended language card */
SLOT_INTERFACE_END

static SLOT_INTERFACE_START(apple2_cards)
	SLOT_INTERFACE("diskii", A2BUS_DISKII)  /* Disk II Controller Card */
	SLOT_INTERFACE("diskiing", A2BUS_DISKIING)  /* Disk II Controller Card, cycle-accurate version */
	SLOT_INTERFACE("mockingboard", A2BUS_MOCKINGBOARD)  /* Sweet Micro Systems Mockingboard */
	SLOT_INTERFACE("phasor", A2BUS_PHASOR)  /* Applied Engineering Phasor */
	SLOT_INTERFACE("cffa2", A2BUS_CFFA2)  /* CFFA2000 Compact Flash for Apple II (www.dreher.net), 65C02/65816 firmware */
	SLOT_INTERFACE("cffa202", A2BUS_CFFA2_6502)  /* CFFA2000 Compact Flash for Apple II (www.dreher.net), 6502 firmware */
	SLOT_INTERFACE("memexp", A2BUS_MEMEXP)  /* Apple II Memory Expansion Card */
	SLOT_INTERFACE("ramfactor", A2BUS_RAMFACTOR)    /* Applied Engineering RamFactor */
	SLOT_INTERFACE("thclock", A2BUS_THUNDERCLOCK)    /* ThunderWare ThunderClock Plus */
	SLOT_INTERFACE("softcard", A2BUS_SOFTCARD)  /* Microsoft SoftCard */
	SLOT_INTERFACE("videoterm", A2BUS_VIDEOTERM)    /* Videx VideoTerm */
	SLOT_INTERFACE("ssc", A2BUS_SSC)    /* Apple Super Serial Card */
	SLOT_INTERFACE("swyft", A2BUS_SWYFT)    /* IAI SwyftCard */
	SLOT_INTERFACE("themill", A2BUS_THEMILL)    /* Stellation Two The Mill (6809 card) */
	SLOT_INTERFACE("sam", A2BUS_SAM)    /* SAM Software Automated Mouth (8-bit DAC + speaker) */
	SLOT_INTERFACE("alfam2", A2BUS_ALFAM2)    /* ALF Apple Music II */
	SLOT_INTERFACE("echoii", A2BUS_ECHOII)    /* Street Electronics Echo II */
	SLOT_INTERFACE("ap16", A2BUS_IBSAP16)    /* IBS AP16 (German VideoTerm clone) */
	SLOT_INTERFACE("ap16alt", A2BUS_IBSAP16ALT)    /* IBS AP16 (German VideoTerm clone), alternate revision */
	SLOT_INTERFACE("vtc1", A2BUS_VTC1)    /* Unknown VideoTerm clone #1 */
	SLOT_INTERFACE("vtc2", A2BUS_VTC2)    /* Unknown VideoTerm clone #2 */
	SLOT_INTERFACE("arcbd", A2BUS_ARCADEBOARD)    /* Third Millenium Engineering Arcade Board */
	SLOT_INTERFACE("midi", A2BUS_MIDI)  /* Generic 6840+6850 MIDI board */
	SLOT_INTERFACE("zipdrive", A2BUS_ZIPDRIVE)  /* ZIP Technologies IDE card */
	SLOT_INTERFACE("echoiiplus", A2BUS_ECHOPLUS)    /* Street Electronics Echo Plus (Echo II + Mockingboard clone) */
	SLOT_INTERFACE("scsi", A2BUS_SCSI)  /* Apple II SCSI Card */
	SLOT_INTERFACE("applicard", A2BUS_APPLICARD)    /* PCPI Applicard */
	SLOT_INTERFACE("aesms", A2BUS_AESMS)    /* Applied Engineering Super Music Synthesizer */
	SLOT_INTERFACE("ultraterm", A2BUS_ULTRATERM)    /* Videx UltraTerm (original) */
	SLOT_INTERFACE("ultratermenh", A2BUS_ULTRATERMENH)    /* Videx UltraTerm (enhanced //e) */
	SLOT_INTERFACE("aevm80", A2BUS_VTC2)    /* Applied Engineering ViewMaster 80 */
	SLOT_INTERFACE("parallel", A2BUS_PIC)   /* Apple Parallel Interface Card */
	SLOT_INTERFACE("corvus", A2BUS_CORVUS)  /* Corvus flat-cable HDD interface (see notes in a2corvus.c) */
	SLOT_INTERFACE("mcms1", A2BUS_MCMS1)  /* Mountain Computer Music System, card 1 of 2 */
	SLOT_INTERFACE("mcms2", A2BUS_MCMS2)  /* Mountain Computer Music System, card 2 of 2.  must be in card 1's slot + 1! */
	SLOT_INTERFACE("dx1", A2BUS_DX1)    /* Decillonix DX-1 sampler card */
	SLOT_INTERFACE("tm2ho", A2BUS_TIMEMASTERHO) /* Applied Engineering TimeMaster II H.O. */
	SLOT_INTERFACE("mouse", A2BUS_MOUSE)    /* Apple II Mouse Card */
	SLOT_INTERFACE("ezcgi", A2BUS_EZCGI)    /* E-Z Color Graphics Interface */
	SLOT_INTERFACE("ezcgi9938", A2BUS_EZCGI_9938)   /* E-Z Color Graphics Interface (TMS9938) */
	SLOT_INTERFACE("ezcgi9958", A2BUS_EZCGI_9958)   /* E-Z Color Graphics Interface (TMS9958) */
//  SLOT_INTERFACE("magicmusician", A2BUS_MAGICMUSICIAN)    /* Magic Musician Card */
SLOT_INTERFACE_END

static MACHINE_CONFIG_START( apple2_common, napple2_state )
	/* basic machine hardware */
	MCFG_CPU_ADD(A2_CPU_TAG, M6502, 1021800)     /* close to actual CPU frequency of 1.020484 MHz */
	MCFG_CPU_PROGRAM_MAP(apple2_map)
	MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", napple2_state, apple2_interrupt, "screen", 0, 1)
	MCFG_QUANTUM_TIME(attotime::from_hz(60))

	MCFG_DEVICE_ADD(A2_VIDEO_TAG, APPLE2_VIDEO, XTAL_14_31818MHz)

	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_RAW_PARAMS(1021800*14, (65*7)*2, 0, (40*7)*2, 262, 0, 192)
	MCFG_SCREEN_UPDATE_DRIVER(napple2_state, screen_update)
	MCFG_SCREEN_PALETTE("palette")

	MCFG_PALETTE_ADD("palette", 16)
	MCFG_PALETTE_INIT_OWNER(napple2_state, apple2)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_ADD(A2_SPEAKER_TAG, SPEAKER_SOUND, 0)
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)

	/* /INH banking */
	MCFG_DEVICE_ADD(A2_UPPERBANK_TAG, ADDRESS_MAP_BANK, 0)
	MCFG_DEVICE_PROGRAM_MAP(inhbank_map)
	MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_LITTLE)
	MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
	MCFG_ADDRESS_MAP_BANK_STRIDE(0x3000)

	/* keyboard controller */
	MCFG_DEVICE_ADD(A2_KBDC_TAG, AY3600, 0)
	MCFG_AY3600_MATRIX_X0(IOPORT("X0"))
	MCFG_AY3600_MATRIX_X1(IOPORT("X1"))
	MCFG_AY3600_MATRIX_X2(IOPORT("X2"))
	MCFG_AY3600_MATRIX_X3(IOPORT("X3"))
	MCFG_AY3600_MATRIX_X4(IOPORT("X4"))
	MCFG_AY3600_MATRIX_X5(IOPORT("X5"))
	MCFG_AY3600_MATRIX_X6(IOPORT("X6"))
	MCFG_AY3600_MATRIX_X7(IOPORT("X7"))
	MCFG_AY3600_MATRIX_X8(IOPORT("X8"))
	MCFG_AY3600_SHIFT_CB(READLINE(napple2_state, ay3600_shift_r))
	MCFG_AY3600_CONTROL_CB(READLINE(napple2_state, ay3600_control_r))
	MCFG_AY3600_DATA_READY_CB(WRITELINE(napple2_state, ay3600_data_ready_w))
	MCFG_AY3600_AKO_CB(WRITELINE(napple2_state, ay3600_ako_w))

	/* repeat timer.  15 Hz from page 90 of "The Apple II Circuit Description */
	MCFG_TIMER_DRIVER_ADD_PERIODIC("repttmr", napple2_state, ay3600_repeat, attotime::from_hz(15))

	/* slot devices */
	MCFG_DEVICE_ADD(A2_BUS_TAG, A2BUS, 0)
	MCFG_A2BUS_CPU(A2_CPU_TAG)
	MCFG_A2BUS_OUT_IRQ_CB(WRITELINE(napple2_state, a2bus_irq_w))
	MCFG_A2BUS_OUT_NMI_CB(WRITELINE(napple2_state, a2bus_nmi_w))
	MCFG_A2BUS_OUT_INH_CB(WRITELINE(napple2_state, a2bus_inh_w))
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl0", apple2_slot0_cards, "lang")
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl1", apple2_cards, nullptr)
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl2", apple2_cards, nullptr)
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl3", apple2_cards, nullptr)
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl4", apple2_cards, "mockingboard")
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl5", apple2_cards, nullptr)
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl6", apple2_cards, "diskiing")
	MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl7", apple2_cards, nullptr)

	MCFG_SOFTWARE_LIST_ADD("flop525_list","apple2")

	MCFG_CASSETTE_ADD(A2_CASSETTE_TAG)
	MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED)
MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( apple2, apple2_common )
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("48K")
	MCFG_RAM_EXTRA_OPTIONS("4K,8K,12K,16K,20K,24K,32K,36K,48K")
	MCFG_RAM_DEFAULT_VALUE(0x00)
MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( apple2p, apple2_common )
	/* internal ram */
	MCFG_RAM_ADD(RAM_TAG)
	MCFG_RAM_DEFAULT_SIZE("48K")
	MCFG_RAM_EXTRA_OPTIONS("16K,32K,48K")
	MCFG_RAM_DEFAULT_VALUE(0x00)
MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( space84, apple2p )
MACHINE_CONFIG_END

static MACHINE_CONFIG_DERIVED( apple2jp, apple2p )
	MCFG_SCREEN_MODIFY("screen")
	MCFG_SCREEN_UPDATE_DRIVER(napple2_state, screen_update_jp)
MACHINE_CONFIG_END

#if 0
static MACHINE_CONFIG_DERIVED( laba2p, apple2p )
	MCFG_MACHINE_START_OVERRIDE(napple2_state,laba2p)

	MCFG_A2BUS_SLOT_REMOVE("sl0")
	MCFG_A2BUS_SLOT_REMOVE("sl3")
	MCFG_A2BUS_SLOT_REMOVE("sl6")

//  MCFG_A2BUS_ONBOARD_ADD("a2bus", "sl3", A2BUS_LAB_80COL, NOOP)
	MCFG_A2BUS_ONBOARD_ADD("a2bus", "sl6", A2BUS_IWM_FDC, NOOP)

MACHINE_CONFIG_END
#endif

/***************************************************************************

  Game driver(s)

***************************************************************************/

ROM_START(apple2) /* the classic, non-autoboot apple2 with integer basic in rom. optional card with autoboot and applesoft basic was possible but isn't yet supported */
	ROM_REGION(0x0800,"gfx1",0)
	// This is a GI RO-3-2513 on Rev. 0 Apple ][s, as per http://www.solivant.com/php/eview.php?album=appleII&filen=11 which shows serial #97
	// However, the presence of the lo-res patterns means it's a customized-mask variant, and not the same as the Apple I's 2513 that truly is stock.
	ROM_LOAD ( "a2.chr", 0x0000, 0x0800, BAD_DUMP CRC(64f415c6) SHA1(f9d312f128c9557d9d6ac03bfad6c3ddf83e5659)) /* current dump is 341-0036 which is the appleII+ character generator, not the original appleII one, whose rom number is not yet known! */

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD_OPTIONAL ( "341-0016-00.d0", 0x1000, 0x0800, CRC(4234e88a) SHA1(c9a81d704dc2f0c3416c20f9c4ab71fedda937ed)) /* 341-0016: Programmer's Aid #1 D0 */

	ROM_LOAD ( "341-0001-00.e0", 0x2000, 0x0800, CRC(c0a4ad3b) SHA1(bf32195efcb34b694c893c2d342321ec3a24b98f)) /* Needs verification. From eBay: Label: S7925E // C48077 // 3410001-00 // (C)APPLE78 E0 */
	ROM_LOAD ( "341-0002-00.e8", 0x2800, 0x0800, CRC(a99c2cf6) SHA1(9767d92d04fc65c626223f25564cca31f5248980)) /* Needs verification. From eBay: Label: S7916E // C48078 // 3410002-00 // (C)APPLE78 E8 */
	ROM_LOAD ( "341-0003-00.f0", 0x3000, 0x0800, CRC(62230d38) SHA1(f268022da555e4c809ca1ae9e5d2f00b388ff61c)) /* Needs verification. From eBay: Label: S7908E // C48709 // 3410003 // CAPPLE78 F0 */
	ROM_LOAD ( "341-0004-00.f8", 0x3800, 0x0800, CRC(020a86d0) SHA1(52a18bd578a4694420009cad7a7a5779a8c00226))
	ROM_END

ROM_START(apple2p) /* the autoboot apple2+ with applesoft (microsoft-written) basic in rom; optional card with monitor and integer basic was possible but isn't yet supported */
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD ( "341-0036.chr", 0x0000, 0x0800, CRC(64f415c6) SHA1(f9d312f128c9557d9d6ac03bfad6c3ddf83e5659))

	ROM_REGION(0x4000, "maincpu", ROMREGION_LE)
	ROM_LOAD ( "341-0011.d0", 0x1000, 0x0800, CRC(6f05f949) SHA1(0287ebcef2c1ce11dc71be15a99d2d7e0e128b1e))
	ROM_LOAD ( "341-0012.d8", 0x1800, 0x0800, CRC(1f08087c) SHA1(a75ce5aab6401355bf1ab01b04e4946a424879b5))
	ROM_LOAD ( "341-0013.e0", 0x2000, 0x0800, CRC(2b8d9a89) SHA1(8d82a1da63224859bd619005fab62c4714b25dd7))
	ROM_LOAD ( "341-0014.e8", 0x2800, 0x0800, CRC(5719871a) SHA1(37501be96d36d041667c15d63e0c1eff2f7dd4e9))
	ROM_LOAD ( "341-0015.f0", 0x3000, 0x0800, CRC(9a04eecf) SHA1(e6bf91ed28464f42b807f798fc6422e5948bf581))
	ROM_LOAD ( "341-0020-00.f8", 0x3800, 0x0800, CRC(079589c4) SHA1(a28852ff997b4790e53d8d0352112c4b1a395098)) /* 341-0020-00: Autostart Monitor/Applesoft Basic $f800; Was sometimes mounted on Language card; Label(from Apple Language Card - Front.jpg): S 8115 // C68018 // 341-0020-00 */
ROM_END

ROM_START(elppa)
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD ( "elppa.chr", 0x0000, 0x0800, BAD_DUMP CRC(64f415c6) SHA1(f9d312f128c9557d9d6ac03bfad6c3ddf83e5659)) // Taken from 341-0036.chr used in apple2p

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "elppa.d0", 0x1000, 0x0800, CRC(ce5b0e7e) SHA1(2c1a0aa023ae6deb2bddb8937345ee354028aeef))
	ROM_LOAD ( "elppa.d8", 0x1800, 0x0800, CRC(bd409bad) SHA1(5145d238042938efbb9b71e0a4ef9a980b0e38de))
	ROM_LOAD ( "elppa.e0", 0x2000, 0x0800, CRC(4c997c88) SHA1(70b639d8cbafcd5367d2f9dfd6890e5d1c6890f0))
	ROM_LOAD ( "elppa.e8", 0x2800, 0x0800, CRC(5719871a) SHA1(37501be96d36d041667c15d63e0c1eff2f7dd4e9))
	ROM_LOAD ( "elppa.f0", 0x3000, 0x0800, CRC(9a04eecf) SHA1(e6bf91ed28464f42b807f798fc6422e5948bf581))
	ROM_LOAD ( "elppa.f8", 0x3800, 0x0800, CRC(62c0c761) SHA1(19f28544fd5021a2d72e6015b3183c462c0e86f8))
ROM_END

ROM_START(prav82)
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD ( "pravetz82.chr", 0x0000, 0x0800, BAD_DUMP CRC(8c55c984) SHA1(5a5a202000576b88b4ae2e180dd2d1b9b337b594)) // Taken from Agat computer

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "pravetz82.d0", 0x1000, 0x0800, CRC(6f05f949) SHA1(0287ebcef2c1ce11dc71be15a99d2d7e0e128b1e))
	ROM_LOAD ( "pravetz82.d8", 0x1800, 0x0800, CRC(1f08087c) SHA1(a75ce5aab6401355bf1ab01b04e4946a424879b5))
	ROM_LOAD ( "pravetz82.e0", 0x2000, 0x0800, CRC(2b8d9a89) SHA1(8d82a1da63224859bd619005fab62c4714b25dd7))
	ROM_LOAD ( "pravetz82.e8", 0x2800, 0x0800, CRC(5719871a) SHA1(37501be96d36d041667c15d63e0c1eff2f7dd4e9))
	ROM_LOAD ( "pravetz82.f0", 0x3000, 0x0800, CRC(e26d9d35) SHA1(ce6e42e6c9a6c98e92522af7a6090cd04c56c778))
	ROM_LOAD ( "pravetz82.f8", 0x3800, 0x0800, CRC(57547818) SHA1(db30bedec98305e31a14acb9e2a92be1c4853807))
ROM_END

ROM_START(prav8m)
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD ( "pravetz8m.chr", 0x0000, 0x0800, BAD_DUMP CRC(8c55c984) SHA1(5a5a202000576b88b4ae2e180dd2d1b9b337b594)) // Taken from Agat computer
	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "pravetz8m.d0", 0x1000, 0x0800, CRC(6f05f949) SHA1(0287ebcef2c1ce11dc71be15a99d2d7e0e128b1e))
	ROM_LOAD ( "pravetz8m.d8", 0x1800, 0x0800, CRC(654b6f7b) SHA1(f7b1457b48fe6974c4de7e976df3a8fca6b7b661))
	ROM_LOAD ( "pravetz8m.e0", 0x2000, 0x0800, CRC(2b8d9a89) SHA1(8d82a1da63224859bd619005fab62c4714b25dd7))
	ROM_LOAD ( "pravetz8m.e8", 0x2800, 0x0800, CRC(5719871a) SHA1(37501be96d36d041667c15d63e0c1eff2f7dd4e9))
	ROM_LOAD ( "pravetz8m.f0", 0x3000, 0x0800, CRC(e26d9d35) SHA1(ce6e42e6c9a6c98e92522af7a6090cd04c56c778))
	ROM_LOAD ( "pravetz8m.f8", 0x3800, 0x0800, CRC(5bab0a46) SHA1(f6c0817ce37d2e2c43f482c339acaede0a73359b))
ROM_END

ROM_START(uniap2pt)
	ROM_REGION(0x1000,"gfx1",0)
	ROM_LOAD ( "unitron.chr", 0x0000, 0x1000, CRC(7fdd1af6) SHA1(2f4f90d90f2f3a8c1fbea304e1072780fb22e698))

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "unitron_pt.d0", 0x1000, 0x1000, CRC(311beae6) SHA1(f6379aba9ac982850edc314c93a393844a3349ef))
	ROM_LOAD ( "unitron.e0"   , 0x2000, 0x1000, CRC(0d494efd) SHA1(a2fd1223a3ca0cfee24a6afe66ea3c4c144dd98e))
	ROM_LOAD ( "unitron.f0"   , 0x3000, 0x1000, CRC(8e047c4a) SHA1(78c57c0e00dfce7fdec9437fe2b4c25def447e5d))
ROM_END

ROM_START(uniap2en)
	ROM_REGION(0x1000,"gfx1",0)
	ROM_LOAD ( "unitron.chr", 0x0000, 0x1000, CRC(7fdd1af6) SHA1(2f4f90d90f2f3a8c1fbea304e1072780fb22e698))

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "unitron_en.d0", 0x1000, 0x1000, CRC(24d73c7b) SHA1(d17a15868dc875c67061c95ec53a6b2699d3a425))
	ROM_LOAD ( "unitron.e0"   , 0x2000, 0x1000, CRC(0d494efd) SHA1(a2fd1223a3ca0cfee24a6afe66ea3c4c144dd98e))
	ROM_LOAD ( "unitron.f0"   , 0x3000, 0x1000, CRC(8e047c4a) SHA1(78c57c0e00dfce7fdec9437fe2b4c25def447e5d))
ROM_END

ROM_START(uniap2ti) /* "Teclado Inteligente" means "smart keyboard" in brazilian portuguese */
	ROM_REGION(0x1000,"gfx1",0)
	ROM_LOAD ( "unitron.chr", 0x0000, 0x1000, CRC(7fdd1af6) SHA1(2f4f90d90f2f3a8c1fbea304e1072780fb22e698))

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "unitron_pt.d0", 0x1000, 0x1000, CRC(311beae6) SHA1(f6379aba9ac982850edc314c93a393844a3349ef))
	ROM_LOAD ( "unitron.e0"   , 0x2000, 0x1000, CRC(0d494efd) SHA1(a2fd1223a3ca0cfee24a6afe66ea3c4c144dd98e))
	ROM_LOAD ( "unitron.f0"   , 0x3000, 0x1000, CRC(8e047c4a) SHA1(78c57c0e00dfce7fdec9437fe2b4c25def447e5d))

	ROM_REGION(0x4000,"keyboard",0)
	ROM_LOAD ( "unitron_apii+_keyboard.ic3", 0x0800, 0x0800, CRC(edc43205) SHA1(220cc21d86f1ab63a301ae7a9c5ff0f3f6cddb70))
ROM_END

ROM_START(microeng)
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD ( "microengenho_6c.bin", 0x0000, 0x0800, CRC(64f415c6) SHA1(f9d312f128c9557d9d6ac03bfad6c3ddf83e5659))

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "microengenho_d0_d8.bin", 0x1000, 0x1000, CRC(834eabf4) SHA1(9a2385c6df16e5f5d15b79da17d21bf0f99dbd08))
	ROM_LOAD ( "microengenho_e0_e8.bin", 0x2000, 0x1000, CRC(0d494efd) SHA1(a2fd1223a3ca0cfee24a6afe66ea3c4c144dd98e))
	ROM_LOAD ( "microengenho_f0_f8.bin", 0x3000, 0x1000, CRC(588717cf) SHA1(e2a867c4a390d65e5ea181a4f933abb9992e4a63))
ROM_END

/*
    J-Plus ROM numbers confirmed by:
    http://mirrors.apple2.org.za/Apple%20II%20Documentation%20Project/Computers/Apple%20II/Apple%20II%20j-plus/Photos/Apple%20II%20j-plus%20-%20Motherboard.jpg

*/

ROM_START(apple2jp)
	ROM_REGION(0x0800,"gfx1",0)
	// probably a custom-mask variant of the Signetics 2513N or equivalent
	ROM_LOAD ( "a2jp.chr", 0x0000, 0x0800, CRC(487104b5) SHA1(0a382be58db5215c4a3de53b19a72fab660d5da2))

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "341-0011.d0", 0x1000, 0x0800, CRC(6f05f949) SHA1(0287ebcef2c1ce11dc71be15a99d2d7e0e128b1e))
	ROM_LOAD ( "341-0012.d8", 0x1800, 0x0800, CRC(1f08087c) SHA1(a75ce5aab6401355bf1ab01b04e4946a424879b5))
	ROM_LOAD ( "341-0013.e0", 0x2000, 0x0800, CRC(2b8d9a89) SHA1(8d82a1da63224859bd619005fab62c4714b25dd7))
	ROM_LOAD ( "341-0014.e8", 0x2800, 0x0800, CRC(5719871a) SHA1(37501be96d36d041667c15d63e0c1eff2f7dd4e9))
	ROM_LOAD ( "341-0015.f0", 0x3000, 0x0800, CRC(9a04eecf) SHA1(e6bf91ed28464f42b807f798fc6422e5948bf581))
	ROM_LOAD ( "341-0047.f8", 0x3800, 0x0800, CRC(6ea8379b) SHA1(00a75ae3b58e1917ad640249366f654608589cf4))
ROM_END

ROM_START(maxxi)
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD ( "maxxi.chr", 0x0000, 0x0800, BAD_DUMP CRC(64f415c6) SHA1(f9d312f128c9557d9d6ac03bfad6c3ddf83e5659)) // Taken from 341-0036.chr used in apple2p

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "maxxi.d0", 0x1000, 0x1000, CRC(7831f025) SHA1(0eb4161e5223c0dde2d140fcbace80d292ff9dc6))
	ROM_LOAD ( "maxxi.e0", 0x2000, 0x1000, CRC(0d494efd) SHA1(a2fd1223a3ca0cfee24a6afe66ea3c4c144dd98e))
	ROM_LOAD ( "maxxi.f0", 0x3000, 0x1000, CRC(34e4d01b) SHA1(44853b2d59ddd234db76c1a0d529180fb1e008ef))

	ROM_REGION(0x0800,"keyboard",0)
	ROM_LOAD ( "maxxi_teclado.rom", 0x0000, 0x0800, CRC(10c2d5b6) SHA1(226036d2f6f8fa5675303640ee1e5f0bab1135c6))
ROM_END

ROM_START(ace100)
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD ( "ace100.chr", 0x0000, 0x0800, BAD_DUMP CRC(64f415c6) SHA1(f9d312f128c9557d9d6ac03bfad6c3ddf83e5659)) // copy of a2.chr - real Ace chr is undumped

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "ace100.rom", 0x1000, 0x3000, CRC(9d5ec94f) SHA1(8f2b3f2561788bebc7a805f620ec9e7ade973460))
ROM_END

ROM_START(space84)
	ROM_REGION(0x2000,"gfx1",0)
	ROM_LOAD( "space 84 mobo chargen.bin", 0x0000, 0x2000, CRC(ceb98990) SHA1(8b2758da611bcfdd3d144edabc63ef1df2ca787b) )

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD ( "341-0011.d0",  0x1000, 0x0800, CRC(6f05f949) SHA1(0287ebcef2c1ce11dc71be15a99d2d7e0e128b1e))
	ROM_LOAD ( "341-0012.d8",  0x1800, 0x0800, CRC(1f08087c) SHA1(a75ce5aab6401355bf1ab01b04e4946a424879b5))
	ROM_LOAD ( "341-0013.e0",  0x2000, 0x0800, CRC(2b8d9a89) SHA1(8d82a1da63224859bd619005fab62c4714b25dd7))
	ROM_LOAD ( "341-0014.e8",  0x2800, 0x0800, CRC(5719871a) SHA1(37501be96d36d041667c15d63e0c1eff2f7dd4e9))
	ROM_LOAD( "space84_f.bin", 0x3000, 0x1000, CRC(4e741069) SHA1(ca1f16da9fb40e966ee4a899964cd6a7e140ab50))
ROM_END

ROM_START(am64)
	ROM_REGION(0x2000,"gfx1",0)
	ROM_LOAD( "gm-2716.bin",  0x0000, 0x0800, CRC(863e657f) SHA1(cc954204c503bc545ec0d08862483aaad83805d5) )

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD( "am64-27128.bin", 0x0000, 0x4000, CRC(f25cdc7b) SHA1(235e72b77695938a9df8781f5bea3cbbbe1f4c76) )

	ROM_REGION(0x2000, "spares", 0)
	// parallel card ROM
	ROM_LOAD( "ap-2716.bin",  0x0000, 0x0800, CRC(c6990f08) SHA1(e7daf63639234e46738a4d78a49287d11ccaf537) )
	// i8048 keyboard MCU ROM
	ROM_LOAD( "tk10.bin",     0x0800, 0x0800, CRC(a06c5b78) SHA1(27c5160b913e0f62120f384026d24b9f1acb6970) )
ROM_END

ROM_START( agat7 )
	ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
	ROM_SYSTEM_BIOS( 0, "v1", "Version 1" )
	ROMX_LOAD( "monitor7.rom", 0x3800, 0x0800, CRC(071fda0b) SHA1(6089d46b7addc4e2ae096b2cf81124681bd2b27a), ROM_BIOS(1))
	ROM_SYSTEM_BIOS( 1, "v2", "Version 2" )
	ROMX_LOAD( "agat_pzu.bin", 0x3800, 0x0800, CRC(c605163d) SHA1(b30fd1b264a347a9de69bb9e3105483254994d06), ROM_BIOS(2))
	// Floppy controllers
	ROM_LOAD( "shugart7.rom", 0x4500, 0x0100, CRC(c6e4850c) SHA1(71626d3d2d4bbeeac2b77585b45a5566d20b8d34))
	ROM_LOAD( "teac.rom",     0x4500, 0x0100, CRC(94266928) SHA1(5d369bad6cdd6a70b0bb16480eba69640de87a2e))
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD( "agathe7.fnt", 0x0000, 0x0800, CRC(fcffb490) SHA1(0bda26ae7ad75f74da835c0cf6d9928f9508844c))
ROM_END

ROM_START( agat9 )
	ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
	ROM_SYSTEM_BIOS( 0, "v1", "Version 1" )
	ROMX_LOAD( "monitor9.rom", 0x3800, 0x0800, CRC(b90bb66a) SHA1(02217f0785913b41fc25eabcff70fa814799c69a), ROM_BIOS(1))
	ROM_SYSTEM_BIOS( 1, "v2", "Version 2" )
	ROMX_LOAD( "monitor91.rom", 0x3800, 0x0800, CRC(89b10fc1) SHA1(7fe1ede32b5525255f82597ca9c3c2034c5996fa), ROM_BIOS(2))
	// Floppy controllers
	ROM_LOAD( "shugart9.rom", 0x4500, 0x0100, CRC(964a0ce2) SHA1(bf955189ebffe874c20ef649a3db8177dc16af61))
	ROM_LOAD( "teac.rom",     0x4500, 0x0100, CRC(94266928) SHA1(5d369bad6cdd6a70b0bb16480eba69640de87a2e))
	// Printer card
	ROM_LOAD( "cm6337.rom", 0x8000, 0x0100, CRC(73be16ec) SHA1(ead1abbef5b86f1def0b956147d5b267f0d544b5))
	ROM_LOAD( "cm6337p.rom", 0x8100, 0x0800, CRC(9120f11f) SHA1(78107653491e88d5ea12e07367c4c028771a4aca))
	ROM_REGION(0x0800,"gfx1",0)
	ROM_LOAD( "agathe9.fnt", 0x0000, 0x0800, CRC(8c55c984) SHA1(5a5a202000576b88b4ae2e180dd2d1b9b337b594))
ROM_END

ROM_START(ivelultr)
	ROM_REGION(0x2000,"gfx1",0)
	ROM_LOAD( "ultra.chr", 0x0000, 0x1000,CRC(fed62c85) SHA1(479fb3f38a3f7332cef2e8c4856871afe8dc6017))
	ROM_LOAD( "ultra.chr", 0x1000, 0x1000,CRC(fed62c85) SHA1(479fb3f38a3f7332cef2e8c4856871afe8dc6017))

	ROM_REGION(0x4000,"maincpu",0)
	ROM_LOAD( "ultra1.bin", 0x2000, 0x1000, CRC(8ab49c1c) SHA1(b41da28a40c3a22bc10a954a86716a1a2bae04a4))
	ROM_CONTINUE(0x1000, 0x1000)
	ROM_LOAD( "ultra2.bin", 0x3000, 0x1000, CRC(1ac1e17e) SHA1(a5b8adec37da91970c303905b5e2c4d1b715ee4e))

	ROM_REGION(0x800, "kbmcu", 0)   // 6802 code for keyboard MCU (very unlike real Apples, will require some reverse-engineering)
	ROM_LOAD( "ultra4.bin", 0x0000, 0x0800, CRC(3dce51ac) SHA1(676b6e775d5159049cae5b6143398ec7b2bf437a) )
ROM_END

#if 0
ROM_START(laba2p) /* II Plus clone with on-board Disk II controller and Videx-compatible 80-column card, supposedly from lab equipment */
	ROM_REGION(0x1000,"gfx1",0)
	ROM_LOAD( "char.u30",     0x0000, 0x1000, CRC(2dbaef88) SHA1(9834842796132a11facd57923326d6954bcb609f) )

	ROM_REGION(0x4700,"maincpu",0)
	ROM_LOAD( "maind0.u35",   0x1000, 0x1000, CRC(24d73c7b) SHA1(d17a15868dc875c67061c95ec53a6b2699d3a425) )
	ROM_LOAD( "maine0.u34",   0x2000, 0x2000, CRC(314462ca) SHA1(5a23616dca14e59b4aca8ff6cfa0d98592a78a79) )

	ROM_REGION(0x1000, "fw80col", 0)
	ROM_LOAD( "80cfw.u3",     0x0000, 0x1000, CRC(92d2b8b0) SHA1(5149483eb3e550ece1584e85fc821bb04d068dec) )    // firmware for on-board Videx

	ROM_REGION(0x1000, "cg80col", 0)
	ROM_LOAD( "80ccgv80.u25", 0x0000, 0x1000, CRC(6d5e2707) SHA1(c56f76e8a366fee7374eb09f4866435c692490b2) )    // character generator for on-board Videx

	ROM_REGION(0x800, "diskii", 0)
	ROM_LOAD( "diskfw.u7",    0x0000, 0x0800, CRC(9207ef4e) SHA1(5fcffa4c68b16a7ef2f62651d4c7470400e5bd35) )    // firmware for on-board Disk II

	ROM_REGION(0x800, "unknown", 0)
	ROM_LOAD( "unk.u5",       0x0000, 0x0800, CRC(240a1774) SHA1(e6aeb0702dc99d76fd8c5a642fdfbe9ab896acd4) )    // unknown ROM
ROM_END
#endif

/*    YEAR  NAME      PARENT    COMPAT    MACHINE      INPUT     INIT      COMPANY            FULLNAME */
COMP( 1977, apple2,   0,        0,        apple2,      apple2,  driver_device,  0,        "Apple Computer",    "Apple ][", MACHINE_SUPPORTS_SAVE )
COMP( 1979, apple2p,  apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Apple Computer",    "Apple ][+", MACHINE_SUPPORTS_SAVE )
COMP( 1980, apple2jp, apple2,   0,        apple2jp,    apple2p, driver_device,  0,        "Apple Computer",    "Apple ][ J-Plus", MACHINE_SUPPORTS_SAVE )
COMP( 198?, elppa,    apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Victor do Brasil",  "Elppa II+", MACHINE_SUPPORTS_SAVE )
COMP( 1982, microeng, apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Spectrum Eletronica (SCOPUS)", "Micro Engenho", MACHINE_SUPPORTS_SAVE )
COMP( 1982, maxxi,    apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Polymax",  "Maxxi", MACHINE_SUPPORTS_SAVE )
COMP( 1982, prav82,   apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Pravetz",           "Pravetz 82", MACHINE_SUPPORTS_SAVE )
COMP( 1982, ace100,   apple2,   0,        apple2,      apple2p, driver_device,  0,        "Franklin Computer", "Franklin Ace 100", MACHINE_SUPPORTS_SAVE )
COMP( 1982, uniap2en, apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Unitron Eletronica", "Unitron AP II (in English)", MACHINE_SUPPORTS_SAVE )
COMP( 1982, uniap2pt, apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Unitron Eletronica", "Unitron AP II (in Brazilian Portuguese)", MACHINE_SUPPORTS_SAVE )
COMP( 1984, uniap2ti, apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Unitron Eletronica", "Unitron AP II+ (Teclado Inteligente)", MACHINE_SUPPORTS_SAVE )
COMP( 1983, agat7,    apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Agat",              "Agat-7", MACHINE_NOT_WORKING) // disk controller ROM JSRs to $FCA8 which is a delay on apple II, illegal instruction crash here :(
// reverse font direction -\/
COMP( 1984, ivelultr, apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Ivasim",            "Ivel Ultra", MACHINE_SUPPORTS_SAVE )
COMP( 1984, agat9,    apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Agat",              "Agat-9", MACHINE_NOT_WORKING)
COMP( 1985, prav8m,   apple2,   0,        apple2p,     apple2p, driver_device,  0,        "Pravetz",           "Pravetz 8M", MACHINE_SUPPORTS_SAVE )
COMP( 1985, space84,  apple2,   0,        space84,     apple2p, driver_device,  0,        "ComputerTechnik/IBS",  "Space 84",   MACHINE_NOT_WORKING )
COMP( 1985, am64,     apple2,   0,        space84,     apple2p, driver_device,  0,        "ASEM",              "AM 64", MACHINE_SUPPORTS_SAVE )
//COMP( 19??, laba2p,   apple2,   0,        laba2p,      apple2p, driver_device,  0,        "<unknown>",         "Lab equipment Apple II Plus clone", MACHINE_SUPPORTS_SAVE )