// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** MC-80.3x driver by Miodrag Milanovic 2009-05-12 Skeleton driver. 2009-05-15 Initial implementation 2011-09-01 Modernised mc80.3x: http://www.ycdt.net/mc80.3x/ mc8030: very little info available. The area from FFD8-FFFF is meant for interrupt vectors and so on, but most of it is zeroes. Appears the keyboard is an ascii keyboard with built-in beeper. It communicates via the SIO. The asp ctc needs at least 2 triggers. The purpose of the zve pio is unknown. ****************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/z80daisy.h" #include "emupal.h" #include "screen.h" #include "machine/clock.h" #include "bus/rs232/rs232.h" #include "machine/z80ctc.h" #include "machine/z80pio.h" #include "machine/z80sio.h" class mc8030_state : public driver_device { public: mc8030_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_p_videoram(*this, "vram") , m_maincpu(*this, "maincpu") { } void mc8030(machine_config &config); private: DECLARE_WRITE8_MEMBER(zve_write_protect_w); DECLARE_WRITE8_MEMBER(vis_w); DECLARE_WRITE8_MEMBER(eprom_prog_w); DECLARE_READ8_MEMBER(zve_port_a_r); DECLARE_READ8_MEMBER(zve_port_b_r); DECLARE_WRITE8_MEMBER(zve_port_a_w); DECLARE_WRITE8_MEMBER(zve_port_b_w); DECLARE_READ8_MEMBER(asp_port_a_r); DECLARE_READ8_MEMBER(asp_port_b_r); DECLARE_WRITE8_MEMBER(asp_port_a_w); DECLARE_WRITE8_MEMBER(asp_port_b_w); uint32_t screen_update_mc8030(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void io_map(address_map &map); void mem_map(address_map &map); required_region_ptr m_p_videoram; required_device m_maincpu; }; void mc8030_state::mem_map(address_map &map) { map.unmap_value_high(); // ZRE 4 * 2KB map(0x0000, 0x1fff).rom(); // ZRE ROM's 4 * 2716 map(0x2000, 0x27ff).rom(); // SPE ROM's 2 * 2708 map(0x2800, 0x3fff).rom(); // For extension map(0x4000, 0xbfff).ram(); // SPE RAM map(0xc000, 0xffff).ram(); // ZRE RAM } void mc8030_state::io_map(address_map &map) { map.unmap_value_high(); map(0x30, 0x3f).mirror(0xff00).noprw(); //"mass storage" map(0x80, 0x83).mirror(0xff00).rw("zve_ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); // user CTC map(0x84, 0x87).mirror(0xff00).rw("zve_pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); // PIO unknown usage map(0x88, 0x8f).mirror(0xff00).w(FUNC(mc8030_state::zve_write_protect_w)); map(0xc0, 0xcf).select(0xff00).w(FUNC(mc8030_state::vis_w)); map(0xd0, 0xd3).mirror(0xff00).rw("asp_sio", FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)); // keyboard & IFSS? map(0xd4, 0xd7).mirror(0xff00).rw("asp_ctc", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); // sio bauds, KMBG? and kbd map(0xd8, 0xdb).mirror(0xff00).rw("asp_pio", FUNC(z80pio_device::read), FUNC(z80pio_device::write)); // external bus map(0xe0, 0xef).mirror(0xff00).w(FUNC(mc8030_state::eprom_prog_w)); } /* Input ports */ static INPUT_PORTS_START( mc8030 ) INPUT_PORTS_END WRITE8_MEMBER( mc8030_state::zve_write_protect_w ) { } WRITE8_MEMBER( mc8030_state::vis_w ) { // reg C // 7 6 5 4 -- module // 3 - 0 left half, 1 right half // 2 1 0 // ===== // 0 0 0 - dark // 0 0 1 - light // 0 1 0 - in reg pixel // 0 1 1 - negate in reg pixel // 1 0 x - operation code in B reg // reg B // uint16_t addr = ((offset & 0xff00) >> 2) | ((offset & 0x08) << 2) | (data >> 3); u8 c = 1 << (data & 7); if (BIT(offset, 0)) m_p_videoram[addr] |= c; else m_p_videoram[addr] &= ~c; } WRITE8_MEMBER( mc8030_state::eprom_prog_w ) { } READ8_MEMBER( mc8030_state::zve_port_a_r ) { return 0xff; } READ8_MEMBER( mc8030_state::zve_port_b_r ) { return 0xff; } READ8_MEMBER( mc8030_state::asp_port_a_r ) { return 0xff; } READ8_MEMBER( mc8030_state::asp_port_b_r ) { return 0xff; } uint32_t mc8030_state::screen_update_mc8030(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { uint8_t gfx; uint16_t y=0,ma=0,x; for(y = 0; y < 256; y++ ) { uint16_t *p = &bitmap.pix16(y); { for (x = ma; x < ma + 64; x++) { gfx = m_p_videoram[x^0x3fff]; /* Display a scanline of a character */ *p++ = BIT(gfx, 7); *p++ = BIT(gfx, 6); *p++ = BIT(gfx, 5); *p++ = BIT(gfx, 4); *p++ = BIT(gfx, 3); *p++ = BIT(gfx, 2); *p++ = BIT(gfx, 1); *p++ = BIT(gfx, 0); } } ma+=64; } return 0; } // this is a guess there is no information available static const z80_daisy_config daisy_chain[] = { { "asp_ctc" }, /* System ctc */ { "asp_pio" }, /* System pio */ { "asp_sio" }, /* sio */ { "zve_pio" }, /* User pio */ { "zve_ctc" }, /* User ctc */ { nullptr } }; void mc8030_state::mc8030(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, XTAL(2'457'600)); m_maincpu->set_addrmap(AS_PROGRAM, &mc8030_state::mem_map); m_maincpu->set_addrmap(AS_IO, &mc8030_state::io_map); m_maincpu->set_daisy_config(daisy_chain); /* 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(512, 256); screen.set_visarea(0, 512-1, 0, 256-1); screen.set_screen_update(FUNC(mc8030_state::screen_update_mc8030)); screen.set_palette("palette"); PALETTE(config, "palette", palette_device::MONOCHROME); /* Devices */ z80pio_device& zve_pio(Z80PIO(config, "zve_pio", XTAL(2'457'600))); zve_pio.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); zve_pio.in_pa_callback().set(FUNC(mc8030_state::zve_port_a_r)); //zve_pio.out_pa_callback().set(FUNC(mc8030_state::zve_port_a_w)); zve_pio.in_pb_callback().set(FUNC(mc8030_state::zve_port_b_r)); //zve_pio.out_pb_callback().set(FUNC(mc8030_state::zve_port_b_w)); z80ctc_device& zve_ctc(Z80CTC(config, "zve_ctc", XTAL(2'457'600))); zve_ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); // ZC0, ZC1, ZC2 for user z80pio_device& asp_pio(Z80PIO(config, "asp_pio", XTAL(2'457'600))); asp_pio.out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); asp_pio.in_pa_callback().set(FUNC(mc8030_state::asp_port_a_r)); //asp_pio.out_pa_callback().set(FUNC(mc8030_state::asp_port_a_w)); asp_pio.in_pb_callback().set(FUNC(mc8030_state::asp_port_b_r)); //asp_pio.out_pb_callback().set(FUNC(mc8030_state::asp_port_b_w)); z80ctc_device& asp_ctc(Z80CTC(config, "asp_ctc", XTAL(2'457'600))); asp_ctc.intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); // ZC0: to SIO CLK CH A // ZC1: to SIO CLK CH B // ZC2: KMBG (??) clock_device &uart_clock(CLOCK(config, "uart_clock", 153600)); uart_clock.signal_handler().set("asp_sio", FUNC(z80sio_device::txca_w)); uart_clock.signal_handler().append("asp_sio", FUNC(z80sio_device::rxca_w)); z80sio_device& sio(Z80SIO(config, "asp_sio", 4800)); // SIO CH A in = keyboard; out = beeper; CH B = IFSS (??) sio.out_txda_callback().set("rs232", FUNC(rs232_port_device::write_txd)); sio.out_dtra_callback().set("rs232", FUNC(rs232_port_device::write_dtr)); sio.out_rtsa_callback().set("rs232", FUNC(rs232_port_device::write_rts)); rs232_port_device &rs232(RS232_PORT(config, "rs232", default_rs232_devices, "keyboard")); rs232.rxd_handler().set("asp_sio", FUNC(z80sio_device::rxa_w)); rs232.cts_handler().set("asp_sio", FUNC(z80sio_device::ctsa_w)); } /* ROM definition */ ROM_START( mc8030 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "zve_1.rom", 0x0000, 0x0800, CRC(31ec0159) SHA1(a97ea9eb733c462e77d625a7942134e45d911c0a)) ROM_LOAD( "zve_2.rom", 0x0800, 0x0800, CRC(5104983d) SHA1(7516274904042f4fc6813aa8b2a75c0a64f9b937)) ROM_LOAD( "zve_3.rom", 0x1000, 0x0800, CRC(4bcfd727) SHA1(d296e587098e70270ad60db8edaa685af368b849)) ROM_LOAD( "zve_4.rom", 0x1800, 0x0800, CRC(f949ae43) SHA1(68c324cf5578497db7ae65da5695fcb30493f612)) ROM_LOAD( "spe_1.rom", 0x2000, 0x0400, CRC(826f609c) SHA1(e77ff6c180f5a6d7756d076173ae264a0e26f066)) ROM_LOAD( "spe_2.rom", 0x2400, 0x0400, CRC(98320040) SHA1(6baf87e196f1ccdf44912deafa6042becbfb0679)) ROM_REGION( 0x4000, "vram", ROMREGION_ERASE00 ) ROM_REGION( 0x4000, "user1", 0 ) // marked as "80.3x" ROM_LOAD( "mc80.3-x-2c00-c63c.bin", 0x2c00, 0x0400, CRC(469be754) SHA1(a7fea257a1c0970349f75504c0870a2649b50303) ) ROM_LOAD( "mc80.3-ccd-3000-f10a.bin", 0x3000, 0x0400, CRC(7d220128) SHA1(bb6070c9d460ec7ea1a1b46b19ca9520d55e127c) ) // 80.3x ccd test system ROM_LOAD( "mc80.3-x-3800-7280.bin", 0x3800, 0x0400, CRC(09976efb) SHA1(1a708adbf1cd68d450a9bfccafe1f82e755e5885) ) // marked as "80.3x rk" ROM_LOAD( "mc80.3-rk-3000-5642.bin", 0x3000, 0x0400, CRC(280b2211) SHA1(d2c05ff7f7ea534776bf7e92263f1c10192e5385) ) ROM_LOAD( "mc80.3-rk-3400-c6a7.bin", 0x3400, 0x0400, CRC(fc5656f3) SHA1(0ad5abb6536665719693063bf8da2993238c84dd) ) ROM_LOAD( "mc80.3-rk-3800-1678.bin", 0x3800, 0x0400, CRC(34d7e1cf) SHA1(14d3e49f34e0c2a95967613538b33a671998e7a8) ) // marked as "80.30e v1" ROM_LOAD( "mc80.30e-0000.bin", 0x0000, 0x0800, CRC(ebdf766f) SHA1(d06f1e4467104f59554168d17cd15b98d107375e) ) // marked as "80.30e v2" ROM_LOAD( "mc80.30e-0000v2.bin", 0x0000, 0x0800, CRC(259b55e9) SHA1(6e8fd84f1b225f33bc0fd30ecc6e30b8063eaeed) ) ROM_LOAD( "mc80.30e-0800v2.bin", 0x0800, 0x0800, CRC(fe7a01a7) SHA1(6531cde5b9dea2a15a813598937aa3d9540a8066) ) // marked as "80.31e" ROM_LOAD( "mc80.31e-2400-d0d7.bin", 0x2400, 0x0400, CRC(43c22046) SHA1(a179fe83b5cbbbc5f92a4b2ef1012099ccb333d9) ) ROM_LOAD( "mc80.31e-3000-0d15.bin", 0x3000, 0x0400, CRC(cf6f090b) SHA1(0bc352ca42f41cfe7e28052c099dcd020b776dd5) ) ROM_LOAD( "mc80.31e-3400-9993.bin", 0x3400, 0x0400, CRC(918d2b55) SHA1(b6dec17e996c464cf189a699d24d270494540b49) ) ROM_LOAD( "mc80.31e-3800-7a4c.bin", 0x3800, 0x0400, CRC(62d9f989) SHA1(a20b731daed51270d86f486751302055eb93dd1c) ) // marked as "80.31e?" ROM_LOAD( "mc80.3s-2000.bin", 0x2000, 0x0400, CRC(28f1df56) SHA1(9752c9eab3d9f72c23b5f5618a5db1a038953e29) ) ROM_LOAD( "mc80.3s-2400.bin", 0x2400, 0x0400, CRC(43c22046) SHA1(a179fe83b5cbbbc5f92a4b2ef1012099ccb333d9) ) ROM_LOAD( "mc80.3s-2800.bin", 0x2800, 0x0400, CRC(4b52deb1) SHA1(f8a9ddb4363f8389990fd263985e882a73265c5d) ) ROM_LOAD( "mc80.3s-2c00.bin", 0x2c00, 0x0400, CRC(a13d8302) SHA1(1fcdcd6b7af8ef4b18a0658a1a50d0db26b7f214) ) ROM_LOAD( "mc80.3s-3000.bin", 0x3000, 0x0400, CRC(cf6f090b) SHA1(0bc352ca42f41cfe7e28052c099dcd020b776dd5) ) ROM_LOAD( "mc80.3s-3400.bin", 0x3400, 0x0400, CRC(918d2b55) SHA1(b6dec17e996c464cf189a699d24d270494540b49) ) ROM_LOAD( "mc80.3s-3800.bin", 0x3800, 0x0400, CRC(6104646b) SHA1(630f7c57e928db0eb4070139a66f2d313a6314b4) ) ROM_LOAD( "mc80.3s-3c00.bin", 0x3c00, 0x0400, CRC(2f82d032) SHA1(fe8f642b94a0ba8852ec56d8cbb7a52bb7e5d55a) ) // marked as "80.33 original" ROM_LOAD( "mc80.33-1000.bin", 0x1000, 0x0800, CRC(c7e062b1) SHA1(81b999655b32d9b39287a08896a274278a2f739c) ) // random set, zve_1 - 4 same as main set ROM_LOAD( "spe_1a.rom", 0x2000, 0x000800, CRC(37c71c68) SHA1(951650698b00f65facf5ccfbd8dd13628a93425d) ) ROM_LOAD( "spe_2a.rom", 0x2800, 0x000400, CRC(9ec8f287) SHA1(cdf5a9583d898814ba480ffbc8d906a642c6dc81) ) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 198?, mc8030, 0, 0, mc8030, mc8030, mc8030_state, empty_init, "VEB Elektronik Gera", "MC-80.30/31", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | ORIENTATION_FLIP_X )