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Diffstat (limited to 'src/mame/drivers/concept.cpp')
-rw-r--r-- | src/mame/drivers/concept.cpp | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/src/mame/drivers/concept.cpp b/src/mame/drivers/concept.cpp new file mode 100644 index 00000000000..947d4bfcfa7 --- /dev/null +++ b/src/mame/drivers/concept.cpp @@ -0,0 +1,320 @@ +// license:GPL-2.0+ +// copyright-holders:Raphael Nabet, Brett Wyer +/* + Corvus Concept driver + + Relatively simple 68k-based system + + * 256 or 512 kbytes of DRAM + * 4kbytes of SRAM + * 8kbyte boot ROM + * optional MacsBugs ROM + * two serial ports, keyboard, bitmapped display, simple sound, omninet + LAN port (seems more or less similar to AppleTalk) + * 4 expansion ports enable to add expansion cards, namely floppy disk + and hard disk controllers (the expansion ports are partially compatible + with Apple 2 expansion ports) + + Video: monochrome bitmapped display, 720*560 visible area (bitmaps are 768 + pixels wide in memory). One interesting feature is the fact that the + monitor can be rotated to give a 560*720 vertical display (you need to + throw a switch and reset the machine for the display rotation to be taken + into account, though). One oddity is that the video hardware scans the + display from the lower-left corner to the upper-left corner (or from the + upper-right corner to the lower-left if the screen is flipped). + Sound: simpler buzzer connected to the via shift register + Keyboard: intelligent controller, connected through an ACIA. See CCOS + manual pp. 76 through 78. and User Guide p. 2-1 through 2-9. + Clock: mm58174 RTC + + Raphael Nabet, Brett Wyer, 2003-2005 +*/ + +#include "emu.h" +#include "cpu/m68000/m68000.h" +#include "includes/concept.h" +#include "bus/a2bus/a2corvus.h" +#include "bus/a2bus/corvfdc01.h" +#include "bus/a2bus/corvfdc02.h" +#include "bus/rs232/rs232.h" + +static ADDRESS_MAP_START(concept_memmap, AS_PROGRAM, 16, concept_state ) + AM_RANGE(0x000000, 0x000007) AM_ROM AM_REGION("maincpu", 0x010000) /* boot ROM mirror */ + AM_RANGE(0x000008, 0x000fff) AM_RAM /* static RAM */ + AM_RANGE(0x010000, 0x011fff) AM_ROM AM_REGION("maincpu", 0x010000) /* boot ROM */ + AM_RANGE(0x020000, 0x021fff) AM_ROM /* macsbugs ROM (optional) */ + AM_RANGE(0x030000, 0x03ffff) AM_READWRITE(concept_io_r,concept_io_w) /* I/O space */ + + AM_RANGE(0x080000, 0x0fffff) AM_RAM AM_SHARE("videoram")/* AM_RAMBANK(2) */ /* DRAM */ +ADDRESS_MAP_END + + +static INPUT_PORTS_START( concept ) + + PORT_START("KEY0") /* port 0: keys 0x00 through 0x0f */ + PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(right)") PORT_CODE(KEYCODE_RIGHT) + PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3_PAD) + PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9_PAD) + PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("HOME") PORT_CODE(KEYCODE_HOME) + PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6_PAD) + PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_PLUS_PAD) + PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS_PAD) + PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER_PAD) + PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(left)") PORT_CODE(KEYCODE_LEFT) + PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1_PAD) + PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7_PAD) + PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(down)") PORT_CODE(KEYCODE_DOWN) + PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4_PAD) + PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8_PAD) + PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5_PAD) + PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2_PAD) + + PORT_START("KEY1") /* port 1: keys 0x10 through 0x1f */ + PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("= +") PORT_CODE(KEYCODE_EQUALS) + + PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("[ {") PORT_CODE(KEYCODE_OPENBRACE) + PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("BACKSPACE") PORT_CODE(KEYCODE_BACKSPACE) + PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) + PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("] }") PORT_CODE(KEYCODE_CLOSEBRACE) + PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CODE(KEYCODE_BACKSLASH) + + PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0 )") PORT_CODE(KEYCODE_0) + PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) + PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) + PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("- _") PORT_CODE(KEYCODE_MINUS) + PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("; :") PORT_CODE(KEYCODE_COLON) + PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("` ~") PORT_CODE(KEYCODE_BACKSLASH2) + PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("' \"") PORT_CODE(KEYCODE_QUOTE) + PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SHIFT (r)") PORT_CODE(KEYCODE_RSHIFT) + + PORT_START("KEY2") /* port 2: keys 0x20 through 0x2f */ + PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) + PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) + PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) + PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) + PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) + + PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) + PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) + PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) + PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) + PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) + PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) + PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) + PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) + + PORT_START("KEY3") /* port 3: keys 0x30 through 0x3f */ + PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2 @") PORT_CODE(KEYCODE_2) + PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) + PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) + PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) + PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) + PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) + PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) + PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) + PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) + PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) + PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) + PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) + PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE + PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) + PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SHIFT (l)") PORT_CODE(KEYCODE_LSHIFT) + PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) + + PORT_START("KEY4") /* port 4: keys 0x40 through 0x4f */ + PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6 ^") PORT_CODE(KEYCODE_6) + PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7 &") PORT_CODE(KEYCODE_7) + PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) + PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) + PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) + PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) + PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) + PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) + PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CONTROL") PORT_CODE(KEYCODE_LCONTROL) + PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("FAST") PORT_CODE(KEYCODE_TILDE) + PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("COMMAND") PORT_CODE(KEYCODE_LALT) + PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(space)") PORT_CODE(KEYCODE_SPACE) + PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ALT") PORT_CODE(KEYCODE_RALT) + PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0_PAD) + PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("00") PORT_CODE(KEYCODE_ASTERISK) + PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_DEL_PAD) + + PORT_START("KEY5") /* port 5: keys 0x50 through 0x5f */ + PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8 *") PORT_CODE(KEYCODE_8) + PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9 (") PORT_CODE(KEYCODE_9) + PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) + PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) + PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) + PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) + PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) + PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) + PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) + PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) + PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) + PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F9") PORT_CODE(KEYCODE_F9) + PORT_BIT(0x1000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F10") PORT_CODE(KEYCODE_F10) + PORT_BIT(0x2000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(up)") PORT_CODE(KEYCODE_UP) + PORT_BIT(0x4000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("???") PORT_CODE(KEYCODE_SLASH_PAD) + PORT_BIT(0x8000, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_PAUSE) + + PORT_START("DSW0") /* port 6: on-board DIP switches */ + PORT_DIPNAME(0x01, 0x00, "Omninet Address bit 0") + PORT_DIPSETTING(0x00, DEF_STR( Off )) + PORT_DIPSETTING(0x01, DEF_STR( On )) + PORT_DIPNAME(0x02, 0x02, "Omninet Address bit 1") + PORT_DIPSETTING(0x00, DEF_STR( Off )) + PORT_DIPSETTING(0x02, DEF_STR( On )) + PORT_DIPNAME(0x04, 0x00, "Omninet Address bit 2") + PORT_DIPSETTING(0x00, DEF_STR( Off )) + PORT_DIPSETTING(0x04, DEF_STR( On )) + PORT_DIPNAME(0x08, 0x00, "Omninet Address bit 3") + PORT_DIPSETTING(0x00, DEF_STR( Off )) + PORT_DIPSETTING(0x08, DEF_STR( On )) + PORT_DIPNAME(0x10, 0x00, "Omninet Address bit 4") + PORT_DIPSETTING(0x00, DEF_STR( Off )) + PORT_DIPSETTING(0x10, DEF_STR( On )) + PORT_DIPNAME(0x20, 0x00, "Omninet Address bit 5") + PORT_DIPSETTING(0x00, DEF_STR( Off )) + PORT_DIPSETTING(0x20, DEF_STR( On )) + PORT_DIPNAME(0xc0, 0x00, "Type of Boot") + PORT_DIPSETTING(0x00, "Prompt for type of Boot") // Documentation has 0x00 and 0xc0 reversed per boot PROM + PORT_DIPSETTING(0x40, "Boot from Omninet") + PORT_DIPSETTING(0x80, "Boot from Local Disk") + PORT_DIPSETTING(0xc0, "Boot from Diskette") + +#if 0 + PORT_START("DISPLAY") /* port 7: Display orientation */ + PORT_DIPNAME(0x01, 0x00, "Screen Orientation") + PORT_DIPSETTING(0x00, "Horizontal") + PORT_DIPSETTING(0x01, "Vertical") +#endif + +INPUT_PORTS_END + + + +/* init with simple, fixed, B/W palette */ +/* Is the palette black on white or white on black??? */ + +SLOT_INTERFACE_START( concept_a2_cards ) + SLOT_INTERFACE("fchdd", A2BUS_CORVUS) /* Corvus flat-cable HDD interface (see notes in a2corvus.c) */ + SLOT_INTERFACE("fdc01", A2BUS_CORVFDC01) /* Corvus WD1793 floppy controller */ + SLOT_INTERFACE("fdc02", A2BUS_CORVFDC02) /* Corvus NEC765 buffered floppy controller */ +SLOT_INTERFACE_END + + + +static MACHINE_CONFIG_START( concept, concept_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M68000, 8182000) /* 16.364 MHz / 2 */ + MCFG_CPU_PROGRAM_MAP(concept_memmap) + + MCFG_QUANTUM_TIME(attotime::from_hz(60)) + + /* video hardware */ + MCFG_SCREEN_ADD("screen", RASTER) + MCFG_SCREEN_VIDEO_ATTRIBUTES(VIDEO_UPDATE_BEFORE_VBLANK) + MCFG_SCREEN_REFRESH_RATE(60) /* 50 or 60, jumper-selectable */ + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ + MCFG_SCREEN_SIZE(720, 560) + MCFG_SCREEN_VISIBLE_AREA(0, 720-1, 0, 560-1) + MCFG_SCREEN_UPDATE_DRIVER(concept_state, screen_update_concept) + MCFG_SCREEN_PALETTE("palette") + + MCFG_PALETTE_ADD_BLACK_AND_WHITE("palette") + + /* sound */ + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD(SPEAKER_TAG, SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00) + + /* rtc */ + MCFG_DEVICE_ADD("mm58274c", MM58274C, 0) + MCFG_MM58274C_MODE24(0) // 12 hour + MCFG_MM58274C_DAY1(1) // monday + + /* via */ + MCFG_DEVICE_ADD("via6522_0", VIA6522, 1022750) + MCFG_VIA6522_READPA_HANDLER(READ8(concept_state, via_in_a)) + MCFG_VIA6522_READPB_HANDLER(READ8(concept_state, via_in_b)) + MCFG_VIA6522_WRITEPA_HANDLER(WRITE8(concept_state, via_out_a)) + MCFG_VIA6522_WRITEPB_HANDLER(WRITE8(concept_state, via_out_b)) + MCFG_VIA6522_CB2_HANDLER(WRITELINE(concept_state, via_out_cb2)) + MCFG_VIA6522_IRQ_HANDLER(WRITELINE(concept_state, via_irq_func)) + + /* ACIAs */ + MCFG_DEVICE_ADD(ACIA_0_TAG, MOS6551, 0) + MCFG_MOS6551_XTAL(XTAL_1_8432MHz) + MCFG_MOS6551_TXD_HANDLER(DEVWRITELINE("rs232a", rs232_port_device, write_txd)) + + MCFG_DEVICE_ADD(ACIA_1_TAG, MOS6551, 0) + MCFG_MOS6551_XTAL(XTAL_1_8432MHz) + MCFG_MOS6551_TXD_HANDLER(DEVWRITELINE("rs232b", rs232_port_device, write_txd)) + + MCFG_DEVICE_ADD(KBD_ACIA_TAG, MOS6551, 0) + MCFG_MOS6551_XTAL(XTAL_1_8432MHz) + + /* Apple II bus */ + MCFG_DEVICE_ADD(A2BUS_TAG, A2BUS, 0) + MCFG_A2BUS_CPU("maincpu") + MCFG_A2BUS_SLOT_ADD(A2BUS_TAG, "sl1", concept_a2_cards, NULL) + MCFG_A2BUS_SLOT_ADD(A2BUS_TAG, "sl2", concept_a2_cards, NULL) + MCFG_A2BUS_SLOT_ADD(A2BUS_TAG, "sl3", concept_a2_cards, NULL) + MCFG_A2BUS_SLOT_ADD(A2BUS_TAG, "sl4", concept_a2_cards, "fdc01") + + /* 2x RS232 ports */ + MCFG_RS232_PORT_ADD("rs232a", default_rs232_devices, NULL) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE(ACIA_0_TAG, mos6551_device, write_rxd)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE(ACIA_0_TAG, mos6551_device, write_dcd)) + MCFG_RS232_DSR_HANDLER(DEVWRITELINE(ACIA_0_TAG, mos6551_device, write_dsr)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE(ACIA_0_TAG, mos6551_device, write_cts)) + + MCFG_RS232_PORT_ADD("rs232b", default_rs232_devices, NULL) + MCFG_RS232_RXD_HANDLER(DEVWRITELINE(ACIA_1_TAG, mos6551_device, write_rxd)) + MCFG_RS232_DCD_HANDLER(DEVWRITELINE(ACIA_1_TAG, mos6551_device, write_dcd)) + MCFG_RS232_DSR_HANDLER(DEVWRITELINE(ACIA_1_TAG, mos6551_device, write_dsr)) + MCFG_RS232_CTS_HANDLER(DEVWRITELINE(ACIA_1_TAG, mos6551_device, write_cts)) +MACHINE_CONFIG_END + + +ROM_START( concept ) + ROM_REGION16_BE(0x100000,"maincpu",0) /* 68k rom and ram */ + + // concept boot ROM + ROM_SYSTEM_BIOS(0, "lvl8", "Level 8" ) // v0? + ROMX_LOAD("bootl08h", 0x010000, 0x1000, CRC(ee479f51) SHA1(b20ba18564672196076e46507020c6d69a640a2f), ROM_BIOS(1) | ROM_SKIP(1)) + ROMX_LOAD("bootl08l", 0x010001, 0x1000, CRC(acaefd07) SHA1(de0c7eaacaf4c0652aa45e523cebce2b2993c437), ROM_BIOS(1) | ROM_SKIP(1)) + + ROM_SYSTEM_BIOS(1, "lvl7", "Level 7" ) // v0? v1? + ROMX_LOAD("cc07h", 0x010000, 0x1000, CRC(455abac8) SHA1(b12e1580220242d34eafed1b486cebd89e823c8b), ROM_BIOS(2) | ROM_SKIP(1)) + ROMX_LOAD("cc07l", 0x010001, 0x1000, CRC(107a3830) SHA1(0ea12ef13b0d11fcd83b306b3a1bb8014ba910c0), ROM_BIOS(2) | ROM_SKIP(1)) + + ROM_SYSTEM_BIOS(2, "lvl6", "Level 6" ) // v0? + ROMX_LOAD("cc06h", 0x010000, 0x1000, CRC(66b6b259) SHA1(1199a38ef3e94f695e8da6a7c80c6432da3cb80c), ROM_BIOS(3) | ROM_SKIP(1)) + ROMX_LOAD("cc06l", 0x010001, 0x1000, CRC(600940d3) SHA1(c3278bf23b3b1c35ea1e3da48a05e877862a8345), ROM_BIOS(3) | ROM_SKIP(1)) + + ROM_REGION(0x400, "proms", 0) + ROM_LOAD("map04a.bin", 0x000, 0x400, CRC(1ae0db9b) SHA1(cdb6f63bb08072b454b4704e62de51c483ede734) ) + +#if 0 + // version 1 lvl 7 release + ROM_LOAD16_BYTE("bootl17h", 0x010000, 0x1000, CRC(6dd9718f)) // where does this come from? + ROM_LOAD16_BYTE("bootl17l", 0x010001, 0x1000, CRC(107a3830)) +#elif 0 + // version $F lvl 8 (development version found on a floppy disk along with + // the source code) + ROM_LOAD16_WORD("cc.prm", 0x010000, 0x2000, CRC(b5a87dab) SHA1(0da59af6cfeeb38672f71731527beac323d9c3d6)) +#endif + +#if 0 + // only known MACSbug release for the concept, with reset vector and + // entry point (the reset vector seems to be bogus: is the ROM dump bad, + // or were the ROMs originally loaded with buggy code?) + ROM_LOAD16_BYTE("macsbugh", 0x020000, 0x1000, CRC(aa357112)) + ROM_LOAD16_BYTE("macsbugl", 0x020001, 0x1000, CRC(b4b59de9)) +#endif + +ROM_END + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */ +COMP( 1982, concept, 0, 0, concept, concept, driver_device, 0, "Corvus Systems", "Concept" , 0 ) |