/*************************************************************************** PHUNSY (Philipse Universal System) 04/11/2010 Skeleton driver. http://www.tubedata.info/phunsy/index.html Cassette added 2012-05-24 Baud Rate ~ 6000 baud W command to save data, eg 800-8FFW R command to read data, eg 1100R to load the file at 1100, or R to load the file where it came from. The tape must already be playing the leader when you press the Enter key, or it errors immediately. ****************************************************************************/ #include "emu.h" #include "cpu/s2650/s2650.h" #include "machine/keyboard.h" #include "sound/speaker.h" #include "imagedev/cassette.h" #include "sound/wave.h" #define LOG 1 class phunsy_state : public driver_device { public: phunsy_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_speaker(*this, SPEAKER_TAG), m_cass(*this, CASSETTE_TAG), m_videoram(*this, "videoram") { } DECLARE_READ8_MEMBER( phunsy_data_r ); DECLARE_WRITE8_MEMBER( phunsy_1800_w ); DECLARE_WRITE8_MEMBER( phunsy_ctrl_w ); DECLARE_WRITE8_MEMBER( phunsy_data_w ); DECLARE_WRITE8_MEMBER( kbd_put ); DECLARE_READ8_MEMBER(cass_r); DECLARE_WRITE8_MEMBER(cass_w); const UINT8 *m_p_chargen; UINT8 m_data_out; UINT8 m_keyboard_input; UINT8 m_q_bank; UINT8 m_u_bank; UINT8 m_ram_1800[0x800]; virtual void machine_reset(); virtual void video_start(); UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); required_device m_maincpu; required_device m_speaker; required_device m_cass; required_shared_ptr m_videoram; virtual void palette_init(); }; WRITE8_MEMBER( phunsy_state::phunsy_1800_w ) { if ( m_u_bank == 0 ) m_ram_1800[offset] = data; } WRITE8_MEMBER( phunsy_state::cass_w ) { m_cass->output(BIT(data, 0) ? -1.0 : +1.0); } READ8_MEMBER( phunsy_state::cass_r ) { return (m_cass->input() > 0.03) ? 0 : 1; } static ADDRESS_MAP_START(phunsy_mem, AS_PROGRAM, 8, phunsy_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x0000, 0x07ff) AM_ROM AM_RANGE( 0x0800, 0x0fff) AM_RAM AM_RANGE( 0x1000, 0x17ff) AM_RAM AM_SHARE("videoram") // Video RAM AM_RANGE( 0x1800, 0x1fff) AM_RAM_WRITE( phunsy_1800_w ) AM_ROMBANK("bank1") // Banked RAM/ROM AM_RANGE( 0x4000, 0xffff) AM_RAMBANK("bank2") // Banked RAM ADDRESS_MAP_END WRITE8_MEMBER( phunsy_state::phunsy_ctrl_w ) { if (LOG) logerror("%s: phunsy_ctrl_w %02x\n", machine().describe_context(), data); m_u_bank = data >> 4; m_q_bank = data & 0x0F; switch( m_u_bank ) { case 0x00: /* RAM */ membank( "bank1" )->set_base( m_ram_1800 ); break; case 0x01: /* MDCR program */ case 0x02: /* Disassembler */ case 0x03: /* Label handler */ membank( "bank1" )->set_base( memregion("maincpu")->base() + ( 0x800 * m_u_bank ) ); break; default: /* Not used */ break; } membank( "bank2" )->set_base( memregion("ram_4000")->base() + 0x4000 * m_q_bank ); } WRITE8_MEMBER( phunsy_state::phunsy_data_w ) { if (LOG) logerror("%s: phunsy_data_w %02x\n", machine().describe_context(), data); m_data_out = data; /* b0 - TTY out */ /* b1 - select MDCR / keyboard */ /* b2 - Clear keyboard strobe signal */ if ( data & 0x04 ) { m_keyboard_input |= 0x80; } /* b3 - speaker output (manual says it is bit 1)*/ speaker_level_w(m_speaker, BIT(data, 1)); /* b4 - -REV MDCR output */ /* b5 - -FWD MDCR output */ /* b6 - -WCD MDCR output */ /* b7 - WDA MDCR output */ } READ8_MEMBER( phunsy_state::phunsy_data_r ) { UINT8 data; if (LOG) logerror("%s: phunsy_data_r\n", machine().describe_context()); if ( m_data_out & 0x02 ) { /* MDCR selected */ /* b0 - TTY input */ /* b1 - SK1 switch input */ /* b2 - SK2 switch input */ /* b3 - -WEN MDCR input */ /* b4 - -CIP MDCR input */ /* b5 - -BET MDCR input */ /* b6 - RDA MDCR input */ /* b7 - RDC MDCR input */ data = 0xFF; } else { /* Keyboard selected */ /* b0-b6 - ASCII code from keyboard */ /* b7 - strobe signal */ data = m_keyboard_input; } return data; } static ADDRESS_MAP_START( phunsy_io, AS_IO, 8, phunsy_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( S2650_CTRL_PORT, S2650_CTRL_PORT ) AM_WRITE( phunsy_ctrl_w ) AM_RANGE( S2650_DATA_PORT,S2650_DATA_PORT) AM_READWRITE( phunsy_data_r, phunsy_data_w ) AM_RANGE(S2650_SENSE_PORT, S2650_FO_PORT) AM_READWRITE(cass_r, cass_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( phunsy ) INPUT_PORTS_END WRITE8_MEMBER( phunsy_state::kbd_put ) { if (data) m_keyboard_input = data; } static ASCII_KEYBOARD_INTERFACE( keyboard_intf ) { DEVCB_DRIVER_MEMBER(phunsy_state, kbd_put) }; void phunsy_state::machine_reset() { membank( "bank1" )->set_base( m_ram_1800 ); membank( "bank2" )->set_base( memregion("ram_4000")->base() ); m_u_bank = 0; m_q_bank = 0; m_keyboard_input = 0xFF; } void phunsy_state::palette_init() { for ( int i = 0; i < 8; i++ ) { int j = ( i << 5 ) | ( i << 2 ) | ( i >> 1 ); palette_set_color_rgb( machine(), i, j, j, j ); } } void phunsy_state::video_start() { m_p_chargen = memregion( "chargen" )->base(); } UINT32 phunsy_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { UINT8 y,ra,chr,gfx,col; UINT16 sy=0,ma=0,x; for (y = 0; y < 32; y++) { for (ra = 0; ra < 8; ra++) { UINT16 *p = &bitmap.pix16(sy++); for (x = ma; x < ma+64; x++) { chr = m_videoram[x]; if (BIT(chr, 7)) { /* Graphics mode */ gfx = 0; col = ( chr >> 4 ) & 7; if ( (BIT(chr, 0) && (!BIT(ra, 2))) || (BIT(chr, 2) && (BIT(ra, 2))) ) gfx = 0x38; if ( (BIT(chr, 1) && (!BIT(ra, 2))) || (BIT(chr, 3) && (BIT(ra, 2))) ) gfx |= 7; } else { /* ASCII mode */ gfx = m_p_chargen[(chr<<3) | ra]; col = 7; } /* Display a scanline of a character (6 pixels) */ *p++ = BIT( gfx, 5 ) ? col : 0; *p++ = BIT( gfx, 4 ) ? col : 0; *p++ = BIT( gfx, 3 ) ? col : 0; *p++ = BIT( gfx, 2 ) ? col : 0; *p++ = BIT( gfx, 1 ) ? col : 0; *p++ = BIT( gfx, 0 ) ? col : 0; } } ma+=64; } return 0; } /* F4 Character Displayer */ static const gfx_layout phunsy_charlayout = { 5, 7, /* 6 x 8 characters */ 128, /* 128 characters */ 1, /* 1 bits per pixel */ { 0 }, /* no bitplanes */ /* x offsets */ { 3, 4, 5, 6, 7 }, /* y offsets */ { 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, 8*8 /* every char takes 8 bytes */ }; static GFXDECODE_START( phunsy ) GFXDECODE_ENTRY( "chargen", 0x0000, phunsy_charlayout, 1, 3 ) GFXDECODE_END static MACHINE_CONFIG_START( phunsy, phunsy_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",S2650, XTAL_1MHz) MCFG_CPU_PROGRAM_MAP(phunsy_mem) MCFG_CPU_IO_MAP(phunsy_io) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) /* Display (page 12 of pdf) - 8Mhz clock - 64 6 pixel characters on a line. - 16us not active, 48us active: ( 64 * 6 ) * 60 / 48 => 480 pixels wide - 313 line display of which 256 are displayed. */ MCFG_SCREEN_RAW_PARAMS(XTAL_8MHz, 480, 0, 64*6, 313, 0, 256) MCFG_SCREEN_UPDATE_DRIVER(phunsy_state, screen_update) MCFG_GFXDECODE(phunsy) MCFG_PALETTE_LENGTH(8) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_WAVE_ADD(WAVE_TAG, CASSETTE_TAG) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) MCFG_SOUND_ADD(SPEAKER_TAG, SPEAKER_SOUND, 0) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) /* Devices */ MCFG_ASCII_KEYBOARD_ADD(KEYBOARD_TAG, keyboard_intf) MCFG_CASSETTE_ADD( CASSETTE_TAG, default_cassette_interface ) MACHINE_CONFIG_END /* ROM definition */ ROM_START( phunsy ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "phunsy_bios.bin", 0x0000, 0x0800, CRC(a789e82e) SHA1(b1c130ab2b3c139fd16ddc5dc7bdcaf7a9957d02)) ROM_LOAD( "pdcr.bin", 0x0800, 0x0800, CRC(74bf9d0a) SHA1(8d2f673615215947f033571f1221c6aa99c537e9)) ROM_LOAD( "dass.bin", 0x1000, 0x0800, CRC(13380140) SHA1(a999201cb414abbf1e10a7fcc1789e3e000a5ef1)) ROM_LOAD( "labhnd.bin", 0x1800, 0x0800, CRC(1d5a106b) SHA1(a20d09e32e21cf14db8254cbdd1d691556b473f0)) ROM_REGION( 0x0400, "chargen", ROMREGION_ERASEFF ) ROM_LOAD( "ph_char1.bin", 0x0200, 0x0100, CRC(a7e567fc) SHA1(b18aae0a2d4f92f5a7e22640719bbc4652f3f4ee)) ROM_CONTINUE(0x0100, 0x0100) ROM_LOAD( "ph_char2.bin", 0x0000, 0x0100, CRC(3d5786d3) SHA1(8cf87d83be0b5e4becfa9fd6e05b01250a2feb3b)) ROM_CONTINUE(0x0300, 0x0100) /* 16 x 16KB RAM banks */ ROM_REGION( 0x40000, "ram_4000", ROMREGION_ERASEFF ) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1980, phunsy, 0, 0, phunsy, phunsy, driver_device, 0, "J.F.P. Philipse", "PHUNSY", GAME_NOT_WORKING )