// license: MAME // copyright-holders: Angelo Salese /*********************************************************************************** MOLECULAR Computer Notes: File Processor i/os 0x00 DMA 0x10-0x13 CTC 0x20-0x23 CTC (Serial A Clock, Serial B Clock, Parity Error IRQ, Bus IRQ) 0x40-0x43 SIO (Serial A Data, Serial A Control, Serial B Data, Serial B Control) 0x60-0x63 FDC (Control, Cylinder, Sector, Data) 0x70 PLOW Lower Parallel i/o 0x71 PHI Upper Parallel i/o 0x80-0x87 HDD (Status, Data, Result 0-5) Application Processor i/os 0x00-0x03 PIO (Parallel A Data, Parallel A Control, Parallel B Data, Parallel B Control) 0x20 DMA 0x30-0x33 CTC (Serial A Clock, Serial B Clock, Parity Error IRQ, Bus IRQ) 0x60-0x63 SIO (Serial A Data, Serial A Control, Serial B Data, Serial B Control) File Processor irqs: 0xf80c PIO Ch A 0xf80e PIO Ch B 0xf810-0xf81e SIO Vector N 0xf820-0xf826 CTC A, Channel N 0xf828-0xf82e CTC B, Channel N (do not use) 0xf830 DMA (do not use) Application Processor irqs: 0xf80c PIO Ch A 0xf80e PIO Ch B 0xf810 DMA (do not use) 0xf820-0xf82e SIO Vector N App Processor puts on sio port: "??250 INITIALIZING..." File Processor puts on sio port: "??FP RESTART" TODO: - Info on HW ports is pretty scarse, other than a trim i/o documentation and schematics ***********************************************************************************/ #include "emu.h" #include "cpu/i86/i86.h" #include "cpu/z80/z80.h" //#include "sound/ay8910.h" #define I86_CLOCK XTAL_24MHz #define Z80_CLOCK XTAL_16MHz class molecula_state : public driver_device { public: molecula_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_filecpu(*this, "filecpu") { } // devices required_device m_filecpu; // screen updates UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); UINT8 *m_file_rom; UINT8 *m_app_rom; UINT8 *m_file_ram; UINT8 *m_app_ram; DECLARE_READ8_MEMBER(file_r); DECLARE_WRITE8_MEMBER(file_w); DECLARE_READ8_MEMBER(app_r); DECLARE_WRITE8_MEMBER(app_w); DECLARE_WRITE8_MEMBER(file_output_w); DECLARE_WRITE8_MEMBER(app_output_w); DECLARE_READ8_MEMBER( sio_r ); DECLARE_WRITE8_MEMBER( sio_w ); UINT8 app_ram_enable; UINT8 file_ram_enable; DECLARE_PALETTE_INIT(molecula); protected: // driver_device overrides virtual void machine_start(); virtual void machine_reset(); virtual void video_start(); }; void molecula_state::video_start() { } UINT32 molecula_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect ) { return 0; } READ8_MEMBER(molecula_state::file_r) { if(file_ram_enable) return m_file_ram[offset]; return m_file_rom[offset & 0x7ff]; } WRITE8_MEMBER(molecula_state::file_w) { m_file_ram[offset] = data; } READ8_MEMBER(molecula_state::app_r) { if(app_ram_enable) return m_app_ram[offset]; return m_app_rom[offset & 0x7ff]; } WRITE8_MEMBER(molecula_state::app_w) { m_app_ram[offset] = data; } WRITE8_MEMBER(molecula_state::file_output_w) { if(offset == 0) file_ram_enable = (data & 0x80) >> 7; if(data & 0x7f || offset) printf("FILE output -> %02x %02x\n",data,offset); } WRITE8_MEMBER(molecula_state::app_output_w) { app_ram_enable = (data & 0x80) >> 7; if(data & 0x7f) printf("APP 0x10 -> %02x\n",data); } READ8_MEMBER( molecula_state::sio_r) { if(offset == 1) return 4; return 0; } WRITE8_MEMBER( molecula_state::sio_w) { if(offset == 0) printf("%c",data); } static ADDRESS_MAP_START( molecula_file_map, AS_PROGRAM, 8, molecula_state ) AM_RANGE(0x0000, 0xffff) AM_READWRITE(file_r,file_w) ADDRESS_MAP_END static ADDRESS_MAP_START( molecula_file_io, AS_IO, 8, molecula_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) // AM_RANGE(0x40, 0x43) AM_READWRITE(sio_r,sio_w) AM_RANGE(0x72, 0x73) AM_WRITE(file_output_w) // unknown ADDRESS_MAP_END static ADDRESS_MAP_START( molecula_app_map, AS_PROGRAM, 8, molecula_state ) AM_RANGE(0x0000, 0xffff) AM_READWRITE(app_r,app_w) ADDRESS_MAP_END static ADDRESS_MAP_START( molecula_app_io, AS_IO, 8, molecula_state ) ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x10, 0x10) AM_WRITE(app_output_w) AM_RANGE(0x60, 0x63) AM_READWRITE(sio_r,sio_w) ADDRESS_MAP_END static INPUT_PORTS_START( molecula ) /* dummy active high structure */ PORT_START("SYSA") PORT_DIPNAME( 0x01, 0x00, "SYSA" ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x01, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x02, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x04, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x08, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x10, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x20, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x40, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x00, DEF_STR( Off ) ) PORT_DIPSETTING( 0x80, DEF_STR( On ) ) /* dummy active low structure */ PORT_START("DSWA") PORT_DIPNAME( 0x01, 0x01, "DSWA" ) PORT_DIPSETTING( 0x01, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) ) PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) PORT_DIPSETTING( 0x00, DEF_STR( On ) ) INPUT_PORTS_END #if 0 static const gfx_layout charlayout = { 8,8, RGN_FRAC(1,1), 1, { RGN_FRAC(0,1) }, { 0, 1, 2, 3, 4, 5, 6, 7 }, { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 }; #endif static GFXDECODE_START( molecula ) // GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 1 ) GFXDECODE_END void molecula_state::machine_start() { m_file_rom = memregion("fileipl")->base(); m_app_rom = memregion("appipl")->base(); m_file_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000); m_app_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000); } void molecula_state::machine_reset() { app_ram_enable = 0; file_ram_enable = 0; } PALETTE_INIT_MEMBER(molecula_state, molecula) { } static MACHINE_CONFIG_START( molecula, molecula_state ) /* basic machine hardware */ MCFG_CPU_ADD("filecpu",Z80,Z80_CLOCK/2) MCFG_CPU_PROGRAM_MAP(molecula_file_map) MCFG_CPU_IO_MAP(molecula_file_io) MCFG_DEVICE_DISABLE() MCFG_CPU_ADD("appcpu",Z80,Z80_CLOCK/2) MCFG_CPU_PROGRAM_MAP(molecula_app_map) MCFG_CPU_IO_MAP(molecula_app_io) // MCFG_CPU_ADD("sub",I8086,I86_CLOCK/2) // MCFG_CPU_PROGRAM_MAP(molecula_map) // MCFG_CPU_IO_MAP(molecula_io) // MCFG_DEVICE_DISABLE() /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) MCFG_SCREEN_UPDATE_DRIVER(molecula_state, screen_update) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1) MCFG_SCREEN_PALETTE("palette") MCFG_GFXDECODE_ADD("gfxdecode", "palette", molecula) MCFG_PALETTE_ADD("palette", 8) MCFG_PALETTE_INIT_OWNER(molecula_state, molecula) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") // MCFG_SOUND_ADD("aysnd", AY8910, MAIN_CLOCK/4) // MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30) MACHINE_CONFIG_END /*************************************************************************** Game driver(s) ***************************************************************************/ ROM_START( molecula ) ROM_REGION( 0x10000, "fileipl", ROMREGION_ERASE00 ) ROM_LOAD( "sm32-111782-255-ff.bin", 0x000000, 0x000800, CRC(818f5f5a) SHA1(829b8fef99e6667d04d1944112823f3ea6a1a7e8) ) ROM_REGION( 0x10000, "appipl", ROMREGION_ERASE00 ) ROM_LOAD( "ap-111181-fa.bin", 0x000000, 0x000800, CRC(c289fc90) SHA1(2c0a17808971400e0289d65a11ef09e1f5eb90a0) ) ROM_REGION( 0x1000, "x86ipl", ROMREGION_ERASE00 ) ROM_LOAD16_BYTE( "ap86eve_2716.bin", 0x000000, 0x000800, CRC(d6484a11) SHA1(19cfea72afbc796e5b59c47095529d6d6350dd98) ) ROM_LOAD16_BYTE( "ap86odd_2716.bin", 0x000001, 0x000800, CRC(a4403c13) SHA1(2aeb07ad1f3381cbd1ec901e1f095ae737ded538) ) /* same as ap-111181-fa.bin, with a different & bad byte at [3]*/ ROM_REGION( 0x10000, "user2", ROMREGION_ERASE00 ) ROM_LOAD( "ap-111181-253-fd.bin", 0x000000, 0x000800, CRC(10f16080) SHA1(10f13a04c525cd4b67e2b6e1a3eed46c619a439c) ) /* proms */ ROM_REGION( 0x10000, "user3", ROMREGION_ERASE00 ) ROM_LOAD( "ms01_82s131.bin", 0x000000, 0x000200, CRC(433b139c) SHA1(32c1e853faacf85b11506a6903789ef129dd6adc) ) ROM_LOAD( "ms11_82s131.bin", 0x000200, 0x000200, CRC(cff86fed) SHA1(554ec15799afc6305c8cae0f9d55b32004479cdb) ) ROM_REGION( 0x10000, "misc", ROMREGION_ERASE00 ) ROM_LOAD( "mem_16r4.jed", 0x000000, 0x00caef, CRC(a8cfbdfe) SHA1(92be58ab3299e0d3ac37bd1e258054c881b9ad7f) ) ROM_LOAD( "rx_16r8.jed", 0x000000, 0x00caef, CRC(76f11ea8) SHA1(3ec41e5af04a89659f1b30270ee00e1fdf302ad6) ) ROM_LOAD( "tx_16r8.jed", 0x000000, 0x00caef, CRC(a91dcf0b) SHA1(16d261f064a4af29c3da58f3ae8a867bdc953ce6) ) ROM_LOAD( "wait_16r4.jed", 0x000000, 0x00caef, CRC(3aacfeb4) SHA1(1af1a8046e5a8a0337c85b55adceaef6e45702b7) ) ROM_END GAME( 1982, molecula, 0, molecula, molecula, driver_device, 0, ROT0, "MOLECULAR", "MOLECULAR Computer", GAME_IS_SKELETON )