// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** Poly-88 driver by Miodrag Milanovic 18/05/2009 Initial implementation Poly-88 ToDo: MT 06231: Cassette saving hangs. Also, the system has different formats depending on a switch. Only one format is currently emulated. Poly-8813 is a disk-based computer with 3 mini-floppy drives. Booting is done by pressing the "Load" button, mounted on the front panel near the power switch. Although user manuals are easy to obtain, technical information and drive controller schematics are not. The disk format is known to be 256 bytes per sector, 10 sectors per track, 35 tracks, single sided, for a total of 89600 bytes. The Poly-8813 BIOS makes use of undocumented instructions which we do not currently emulate. These are at 006A (print a character routine - ED ED 05); another is at 0100 (move memory routine - ED ED 03); the last is at 087B (disk I/O routine - ED ED 01). The code at 0100 can be replaced by 7E 12 13 23 03 79 B0 C2 00 01 C9, which exactly fits into the available space. The routine at 006A is likewise could be exactly replaced with F5 C5 D5 E5, which enters a display routine that appears in other assembly listings but seems to have no entry point here. Since the ED ED opcode is defined as for CALLN in the NEC V20/V30's 8080 mode, it might be the case that these are actually hooks patched into the original code for emulation purposes. (There is also a slim possibility that this opcode invokes an undocumented feature of the NEC uPD8080AF, which at least some models of the Poly-88 are known to have used.) ****************************************************************************/ #include "emu.h" #include "includes/poly88.h" #include "cpu/i8085/i8085.h" //#include "bus/s100/s100.h" #include "imagedev/cassette.h" #include "sound/wave.h" #include "screen.h" #include "speaker.h" void poly88_state::poly88_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x03ff).rom(); // Monitor ROM map(0x0400, 0x0bff).rom(); // ROM Expansion map(0x0c00, 0x0dff).ram().mirror(0x200); // System RAM (mirrored) map(0x1000, 0x1fff).rom(); // System Expansion area map(0x2000, 0x3fff).ram(); // Minimal user RAM area map(0x4000, 0xf7ff).ram(); map(0xf800, 0xfbff).ram().share("video_ram"); // Video RAM } void poly88_state::poly88_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); map(0x00, 0x00).rw(m_uart, FUNC(i8251_device::data_r), FUNC(i8251_device::data_w)); map(0x01, 0x01).rw(m_uart, FUNC(i8251_device::status_r), FUNC(i8251_device::control_w)); map(0x04, 0x04).w(this, FUNC(poly88_state::poly88_baud_rate_w)); map(0x08, 0x08).w(this, FUNC(poly88_state::poly88_intr_w)); map(0xf8, 0xf8).r(this, FUNC(poly88_state::poly88_keyboard_r)); } void poly88_state::poly8813_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x03ff).rom(); // Monitor ROM map(0x0400, 0x0bff).rom(); // Disk System ROM map(0x0c00, 0x0fff).ram(); // System RAM map(0x1800, 0x1bff).ram().share("video_ram"); // Video RAM map(0x2000, 0xffff).ram(); // RAM } void poly88_state::poly8813_io(address_map &map) { map.unmap_value_high(); map.global_mask(0xff); } /* Input ports */ static INPUT_PORTS_START( poly88 ) PORT_START("LINEC") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_UNUSED) 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("LINE0") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_END) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_START("LINE5") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("~") PORT_CODE(KEYCODE_TILDE) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("DEL")PORT_CODE(KEYCODE_BACKSPACE) PORT_START("LINE6") PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LF") PORT_CODE(KEYCODE_RALT) INPUT_PORTS_END static const struct CassetteOptions poly88_cassette_options = { 1, /* channels */ 16, /* bits per sample */ 7200 /* sample frequency */ }; /* F4 Character Displayer */ static const gfx_layout poly88_charlayout = { 8, 16, /* text = 7 x 9 */ 128, /* 128 characters */ 1, /* 1 bits per pixel */ { 0 }, /* no bitplanes */ /* x offsets */ { 0, 1, 2, 3, 4, 5, 6, 7 }, /* y offsets */ { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, 8*16 /* every char takes 16 bytes */ }; static GFXDECODE_START( gfx_poly88 ) GFXDECODE_ENTRY( "chargen", 0x0000, poly88_charlayout, 0, 1 ) GFXDECODE_END MACHINE_CONFIG_START(poly88_state::poly88) /* basic machine hardware */ MCFG_DEVICE_ADD("maincpu", I8080A, XTAL(16'588'800) / 9) // uses 8224 clock generator MCFG_DEVICE_PROGRAM_MAP(poly88_mem) MCFG_DEVICE_IO_MAP(poly88_io) MCFG_DEVICE_VBLANK_INT_DRIVER("screen", poly88_state, poly88_interrupt) MCFG_DEVICE_IRQ_ACKNOWLEDGE_DRIVER(poly88_state,poly88_irq_callback) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(64*10, 16*15) MCFG_SCREEN_VISIBLE_AREA(0, 64*10-1, 0, 16*15-1) MCFG_SCREEN_UPDATE_DRIVER(poly88_state, screen_update_poly88) MCFG_SCREEN_PALETTE("palette") MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_poly88) MCFG_PALETTE_ADD_MONOCHROME("palette") /* audio hardware */ SPEAKER(config, "mono").front_center(); WAVE(config, "wave", "cassette").add_route(ALL_OUTPUTS, "mono", 0.25); /* cassette */ MCFG_CASSETTE_ADD( "cassette" ) MCFG_CASSETTE_CREATE_OPTS(&poly88_cassette_options) MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_SPEAKER_ENABLED) /* uart */ MCFG_DEVICE_ADD("uart", I8251, XTAL(16'588'800) / 9) MCFG_I8251_TXD_HANDLER(WRITELINE(*this, poly88_state,write_cas_tx)) MCFG_I8251_RXRDY_HANDLER(WRITELINE(*this, poly88_state,poly88_usart_rxready)) /* snapshot */ MCFG_SNAPSHOT_ADD("snapshot", poly88_state, poly88, "img", 2) MACHINE_CONFIG_END MACHINE_CONFIG_START(poly88_state::poly8813) poly88(config); MCFG_DEVICE_MODIFY("maincpu") MCFG_DEVICE_PROGRAM_MAP(poly8813_mem) MCFG_DEVICE_IO_MAP(poly8813_io) MACHINE_CONFIG_END /* ROM definition */ ROM_START( poly88 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "polymon4.bin", 0x0000, 0x0400, CRC(0baa1a4c) SHA1(c6cf4b89bdde200813d34aab08150d5f3025ce33)) ROM_LOAD( "tbasic_1.rom", 0x0400, 0x0400, CRC(ec22740e) SHA1(bc606c58ef5f046200bdf402eda66ec070464306)) ROM_LOAD( "tbasic_2.rom", 0x0800, 0x0400, CRC(f2619232) SHA1(eb6fb0356d2fb153111cfddf39eab10253cb4c53)) ROM_REGION( 0x800, "chargen", 0 ) ROM_LOAD( "6571.bin", 0x0000, 0x0800, CRC(5a25144b) SHA1(7b9fee0c8ef2605b85d12b6d9fe8feb82418c63a) ) ROM_END ROM_START( poly8813 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "poly8813-1.bin", 0x0000, 0x0400, CRC(7fd980a0) SHA1(a71d5999deb4323a11db1c0ea0dcb1dacfaf47ef)) ROM_LOAD( "poly8813-2.rom", 0x0400, 0x0400, CRC(1ad7c06c) SHA1(c96b8f03c184de58dbdcee18d297dbccf2d77176)) ROM_LOAD( "poly8813-3.rom", 0x0800, 0x0400, CRC(3df57e5b) SHA1(5b0c4febfc7515fc07e63dcb21d0ab32bc6a2e46)) ROM_REGION( 0x800, "chargen", 0 ) ROM_LOAD( "6571.bin", 0x0000, 0x0800, CRC(5a25144b) SHA1(7b9fee0c8ef2605b85d12b6d9fe8feb82418c63a) ) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1976, poly88, 0, 0, poly88, poly88, poly88_state, init_poly88, "PolyMorphic Systems", "Poly-88", 0 ) COMP( 1977, poly8813, poly88, 0, poly8813, poly88, poly88_state, init_poly88, "PolyMorphic Systems", "Poly-8813", MACHINE_NOT_WORKING )