// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** AC1 video driver by Miodrag Milanovic 15/01/2009 Preliminary driver. 24/02/2011 Added cassette support ('ac1' and 'ac1_32' only) Note that Z command will get you into BASIC, and BYE command takes you back to the Monitor. S xxxx yyyy = to save memory to tape. L = to load it back in. Since there is no motor control, type in L then mount the tape. ****************************************************************************/ #include "emu.h" #include "includes/ac1.h" #include "cpu/z80/z80.h" #include "imagedev/cassette.h" #include "machine/z80pio.h" #include "screen.h" #include "speaker.h" static GFXDECODE_START( gfx_ac1 ) GFXDECODE_ENTRY( "gfx1", 0x0000, ac1_charlayout, 0, 1 ) GFXDECODE_END /* Address maps */ void ac1_state::ac1_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x07ff).rom(); // Monitor map(0x0800, 0x0fff).rom(); // BASIC map(0x1000, 0x17ff).ram(); // Video RAM map(0x1800, 0x1fff).ram(); // RAM } void ac1_state::ac1_32_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x07ff).rom(); // Monitor map(0x0800, 0x0fff).rom(); // BASIC map(0x1000, 0x17ff).ram(); // Video RAM map(0x1800, 0xffff).ram(); // RAM } void ac1_state::ac1_io(address_map &map) { map.global_mask(0xff); map(0x04, 0x07).rw("z80pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); } /* Input ports */ static INPUT_PORTS_START( ac1 ) PORT_START("LINE.0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') PORT_START("LINE.1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR('<') PORT_CHAR(',') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('=') PORT_CHAR('-') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('>') PORT_CHAR('.') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('?') PORT_CHAR('/') PORT_START("LINE.2") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('@') PORT_CHAR('`') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') PORT_START("LINE.3") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') PORT_START("LINE.4") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s') PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t') PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u') PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') PORT_START("LINE.5") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_START("LINE.6") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) INPUT_PORTS_END /* Machine driver */ void ac1_state::ac1(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(8'000'000) / 4); m_maincpu->set_addrmap(AS_PROGRAM, &ac1_state::ac1_mem); m_maincpu->set_addrmap(AS_IO, &ac1_state::ac1_io); z80pio_device& pio(Z80PIO(config, "z80pio", XTAL(8'000'000)/4)); pio.in_pa_callback().set(FUNC(ac1_state::ac1_port_a_r)); pio.out_pa_callback().set(FUNC(ac1_state::ac1_port_a_w)); pio.in_pb_callback().set(FUNC(ac1_state::ac1_port_b_r)); pio.out_pb_callback().set(FUNC(ac1_state::ac1_port_b_w)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_refresh_hz(50); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_size(64*6, 16*8); screen.set_visarea_full(); screen.set_screen_update(FUNC(ac1_state::screen_update_ac1)); screen.set_palette(m_palette); GFXDECODE(config, m_gfxdecode, m_palette, gfx_ac1); PALETTE(config, m_palette, palette_device::MONOCHROME); SPEAKER(config, "mono").front_center(); CASSETTE(config, m_cassette); m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_ENABLED); m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); } void ac1_state::ac1_32(machine_config &config) { ac1(config); m_maincpu->set_addrmap(AS_PROGRAM, &ac1_state::ac1_32_mem); screen_device &screen(*subdevice("screen")); screen.set_size(64*6, 32*8); screen.set_visarea_full(); screen.set_screen_update(FUNC(ac1_state::screen_update_ac1_32)); } /* ROM definition */ ROM_START( ac1 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v1", "Version 3.1 (orig)" ) ROMX_LOAD("mon_v31_16.bin", 0x0000, 0x0800, CRC(1ba65e4d) SHA1(3382b8d03f31166a56aea49fd1ec1e82a7108300), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v2", "Version 3.1 (fixed)" ) ROMX_LOAD("mon_v31_16_v2.bin", 0x0000, 0x0800, CRC(8904beb4) SHA1(db8d00a2537ac3a662e3c91e55eb2bf824a72062), ROM_BIOS(1)) // from Funkamateur 01/85 ROM_LOAD("minibasic.bin", 0x0800, 0x0800, CRC(06782639) SHA1(3fd57b3ae3f538374b0d794d8aa15d06bcaaddd8)) ROM_REGION(0x0800, "gfx1",0) // 64 chars - U402 BM513 ROM_LOAD("u402.bin", 0x0000, 0x0200, CRC(cfb67f28) SHA1(e3a62a3a8bce0d098887e31fd16410f38832fd18)) ROM_COPY("gfx1", 0x0000, 0x0200, 0x0200) ROM_COPY("gfx1", 0x0000, 0x0400, 0x0200) ROM_COPY("gfx1", 0x0000, 0x0600, 0x0200) ROM_END ROM_START( ac1_32 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD("mon_v31_32.bin", 0x0000, 0x0800, CRC(bea78b1a) SHA1(8a3e2ac2033aa0bb016be742cfea7e4b09c0813b)) // from Funkamateur 01/85 ROM_LOAD("minibasic.bin", 0x0800, 0x0800, CRC(06782639) SHA1(3fd57b3ae3f538374b0d794d8aa15d06bcaaddd8)) ROM_REGION(0x0800, "gfx1",0) ROM_SYSTEM_BIOS( 0, "128", "128 chars" ) // 128 chars - U555 or 2708 from Funkamateur 06/86 128 including pseudo graphics ROMX_LOAD("zg_128.bin", 0x0000, 0x0400, CRC(0a6f7796) SHA1(64d77639b1ea23f45b4bd38c251851acb2d03822), ROM_BIOS(0)) ROMX_LOAD("zg_128.bin", 0x0400, 0x0400, CRC(0a6f7796) SHA1(64d77639b1ea23f45b4bd38c251851acb2d03822), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "256", "256 chars" ) // 256 chars - 2716 from Computerclub Dessau including pseudo graphics ROMX_LOAD("zg_256.bin", 0x0000, 0x0800, CRC(b4171df5) SHA1(abdec4e00257f86b1a57e02b9c6b4d2df2a2a2db), ROM_BIOS(1)) ROM_END ROM_START( ac1scch ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v7", "Version 7" ) ROMX_LOAD("mon_v7.bin", 0x0000, 0x1000, CRC(fd17b0cf) SHA1(e47113025bd9dadc1522425e21703f43e584b00f), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v8", "Version 8" ) ROMX_LOAD("mon_v8.bin", 0x0000, 0x1000, CRC(5af68da5) SHA1(e760d4400b9c937e7e789d52b8ec975ff253a122), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "v10", "Version 10" ) ROMX_LOAD("mon_v10.bin", 0x0000, 0x1000, CRC(f8e67ecb) SHA1(7953676fc8c22824ceff464c7177e9ac0343b8ce), ROM_BIOS(2)) ROM_SYSTEM_BIOS( 3, "v1088", "Version 10/88" ) ROMX_LOAD("mon_v1088.bin", 0x0000, 0x1000, CRC(bbb0a6df) SHA1(de9389e142541a8b5ff238b59e98bf571c794bef), ROM_BIOS(3)) ROM_REGION(0x0800, "gfx1",0) ROM_LOAD("zg_scch.bin", 0x0000, 0x0800, CRC(fbfaf5da) SHA1(667568c5909e9a17675cf09dfbce2fc090c420ab)) ROM_END // Driver // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1984, ac1, 0, 0, ac1, ac1, ac1_state, init_ac1, "Frank Heyder", "Amateurcomputer AC1 Berlin", 0 ) COMP( 1984, ac1_32, ac1, 0, ac1_32, ac1, ac1_state, init_ac1, "Frank Heyder", "Amateurcomputer AC1 Berlin (32 lines)", 0 ) COMP( 1984, ac1scch, ac1, 0, ac1_32, ac1, ac1_state, init_ac1, "Frank Heyder", "Amateurcomputer AC1 SCCH", 0 )