/*************************************************************************** SAPI-1 driver by Miodrag Milanovic 09/09/2008 Preliminary driver. 07/12/2010 Added some code to allow sapizps3 to read its rom. With no available docs, the i/o ports are a guess. The ram allocation is based on the actions of the various bios roms. Port 25 is used as a jump vector. in a,(25); ld l,a; jp(hl). According to wikipedia, e800+ is the videoram area, and the number of columns is 64. 19/04/2012 Connected sapizps3 to a terminal. It is trying to load a 128-byte boot sector from a floppy disk. Modernised driver. Connected sapizps2 to ascii keyboard. System is now usable. According to wikipedia, sapi1 & 2 have cassette facility, while sapi3 uses 8 inch floppy disk. ****************************************************************************/ #include "includes/sapi1.h" /* switch out the rom shadow */ WRITE8_MEMBER( sapi1_state::sapi3_00_w ) { membank("bank1")->set_entry(0); } READ8_MEMBER( sapi1_state::sapi2_keyboard_status_r) { return (m_term_data) ? 0 : 1; } READ8_MEMBER( sapi1_state::sapi2_keyboard_data_r) { UINT8 ret = ~m_term_data; m_term_data = 0; return ret; } /* to stop execution in random ram */ READ8_MEMBER( sapi1_state::sapi3_25_r ) { return m_zps3_25; } WRITE8_MEMBER( sapi1_state::sapi3_25_w ) { m_zps3_25 = data & 0xfc; //?? } /* Address maps */ static ADDRESS_MAP_START(sapi1_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x0fff) AM_ROM AM_RANGE(0x1000, 0x1fff) AM_ROM // Extension ROM AM_RANGE(0x2000, 0x23ff) AM_RAM AM_RANGE(0x2400, 0x27ff) AM_READWRITE(sapi1_keyboard_r, sapi1_keyboard_w) // PORT 0 - keyboard //AM_RANGE(0x2800, 0x2bff) AM_NOP // PORT 1 //AM_RANGE(0x2c00, 0x2fff) AM_NOP // PORT 2 //AM_RANGE(0x3000, 0x33ff) AM_NOP // 3214 AM_RANGE(0x3800, 0x3fff) AM_RAM AM_SHARE("sapi_video_ram") // AND-1 (video RAM) AM_RANGE(0x4000, 0x7fff) AM_RAM // REM-1 ADDRESS_MAP_END static ADDRESS_MAP_START( sapi1_io, AS_IO, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) ADDRESS_MAP_END static ADDRESS_MAP_START(sapi2_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x0fff) AM_ROM AM_RANGE(0x1000, 0x1fff) AM_ROM // Extension ROM AM_RANGE(0x2000, 0x23ff) AM_RAM AM_RANGE(0x2700, 0x27ff) AM_READ(sapi2_keyboard_status_r) AM_RANGE(0x2800, 0x28ff) AM_READ(sapi2_keyboard_data_r) AM_RANGE(0x3800, 0x3fff) AM_RAM AM_SHARE("sapi_video_ram") // AND-1 (video RAM) AM_RANGE(0x4000, 0x7fff) AM_RAM // REM-1 ADDRESS_MAP_END static ADDRESS_MAP_START(sapi3_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x07ff) AM_RAM AM_RAMBANK("bank1") AM_RANGE(0x0800, 0xe7ff) AM_RAM AM_RANGE(0xe800, 0xefff) AM_RAM AM_SHARE("sapi_video_ram") AM_RANGE(0xf000, 0xf7ff) AM_RAM AM_RANGE(0xf800, 0xfdff) AM_ROM AM_RANGE(0xfe00, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( sapi3_io, AS_IO, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(sapi3_00_w) AM_RANGE(0x12, 0x12) AM_READ(sapi2_keyboard_data_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write) AM_RANGE(0x25, 0x25) AM_READWRITE(sapi3_25_r,sapi3_25_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( sapi1 ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('~') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR(';') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('+') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('/') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('\'') PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('\xA4') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR(',') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('-') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR(':') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('<') PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('"') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('.') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('*') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('@') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('>') PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('?') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('=') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('#') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') INPUT_PORTS_END WRITE8_MEMBER( sapi1_state::kbd_put ) { m_term_data = data; } static GENERIC_TERMINAL_INTERFACE( terminal_intf ) { DEVCB_DRIVER_MEMBER(sapi1_state, kbd_put) }; /* Machine driver */ static MACHINE_CONFIG_START( sapi1, sapi1_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", I8080, 2000000) MCFG_CPU_PROGRAM_MAP(sapi1_mem) MCFG_CPU_IO_MAP(sapi1_io) MCFG_MACHINE_START_OVERRIDE(sapi1_state, sapi1 ) MCFG_MACHINE_RESET_OVERRIDE(sapi1_state, sapi1 ) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(40*6, 24*9) MCFG_SCREEN_VISIBLE_AREA(0, 40*6-1, 0, 24*9-1) MCFG_SCREEN_UPDATE_DRIVER(sapi1_state, screen_update_sapi1) MCFG_PALETTE_LENGTH(2) MCFG_PALETTE_INIT(black_and_white) MCFG_VIDEO_START_OVERRIDE(sapi1_state,sapi1) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("64K") MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( sapi2, sapi1 ) /* basic machine hardware */ MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(sapi2_mem) MCFG_ASCII_KEYBOARD_ADD(KEYBOARD_TAG, terminal_intf) MACHINE_CONFIG_END static MACHINE_CONFIG_START( sapi3, sapi1_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, 2000000) MCFG_CPU_PROGRAM_MAP(sapi3_mem) MCFG_CPU_IO_MAP(sapi3_io) MCFG_MACHINE_START_OVERRIDE(sapi1_state, sapi1 ) MCFG_MACHINE_RESET_OVERRIDE(sapi1_state, sapizps3 ) /* video hardware */ //MCFG_SCREEN_ADD("screen", RASTER) //MCFG_SCREEN_REFRESH_RATE(50) //MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ //MCFG_SCREEN_SIZE(80*6, 24*9) //MCFG_SCREEN_VISIBLE_AREA(0, 80*6-1, 0, 24*9-1) //MCFG_VIDEO_START_OVERRIDE(sapi1_state,sapizps3) //MCFG_SCREEN_UPDATE_DRIVER(sapi1_state, screen_update_sapizps3) //MCFG_PALETTE_LENGTH(2) //MCFG_PALETTE_INIT(black_and_white) /* video hardware */ MCFG_GENERIC_TERMINAL_ADD(TERMINAL_TAG, terminal_intf) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("64K") MACHINE_CONFIG_END /* ROM definition */ ROM_START( sapi1 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "mb1", "MB1" ) ROMX_LOAD( "sapi1.rom", 0x0000, 0x1000, CRC(c6e85b01) SHA1(2a26668249c6161aef7215a1e2b92bfdf6fe3671), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 1, "mb2", "MB2 (ANK-1)" ) ROMX_LOAD( "mb2_4.bin", 0x0000, 0x1000, CRC(a040b3e0) SHA1(586990a07a96323741679a11ff54ad0023da87bc), ROM_BIOS(2)) ROM_SYSTEM_BIOS( 2, "mb3", "MB3 (Consul)" ) ROMX_LOAD( "mb3_1.bin", 0x0000, 0x1000, CRC(be895f88) SHA1(7fc2a92f41d978a9f0ccd0e235ea3c6146adfb6f), ROM_BIOS(3)) ROM_END ROM_START( sapizps2 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v4", "MIKOS 4" ) ROMX_LOAD( "36.bin", 0x0000, 0x0800, CRC(a27f340a) SHA1(d07d208fcbe428897336c17197d3e8fb52181f38), ROM_BIOS(1)) ROMX_LOAD( "37.bin", 0x0800, 0x0800, CRC(30daa708) SHA1(66e990c40788ee25cf6cabd4842a78daf4fcdddd), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 1, "v5", "MIKOS 5" ) ROMX_LOAD( "mikos5_1.bin", 0x0000, 0x0800, CRC(c2a83ca3) SHA1(a3678253d7690c89945e791ea0f8e15b081c9126), ROM_BIOS(2)) ROMX_LOAD( "mikos5_2.bin", 0x0800, 0x0800, CRC(c4458a04) SHA1(0cc909323f0e6507d95e57ea39e1deb8bd57bf89), ROM_BIOS(2)) ROMX_LOAD( "mikos5_3.bin", 0x1000, 0x0800, CRC(efb499f3) SHA1(78f0ca3ff10d7af4ae94ab820723296beb035f8f), ROM_BIOS(2)) ROMX_LOAD( "mikos5_4.bin", 0x1800, 0x0800, CRC(4d90e9be) SHA1(8ec554198697550a49432e8210d43700ef1d6a32), ROM_BIOS(2)) ROM_END ROM_START( sapizps3 ) ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "default", "JPR-1A" ) ROMX_LOAD( "jpr1a.bin", 0xf800, 0x0800, CRC(3ed89786) SHA1(dcc8657b4884bfe58d114c539b733b73d038ee30), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 1, "per", "Perina" ) ROMX_LOAD( "perina_1988.bin",0xf800, 0x0800, CRC(d71e8d3a) SHA1(9b3a26ea7c2f2c8a1fb10b51c1c880acc9fd806d), ROM_BIOS(2)) ROM_SYSTEM_BIOS( 2, "pkt1", "PKT 1" ) ROMX_LOAD( "pkt1.bin", 0xf800, 0x0800, CRC(ed5a2725) SHA1(3383c15f87f976400b8d0f31829e2a95236c4b6c), ROM_BIOS(3)) ROM_SYSTEM_BIOS( 3, "1zmod", "JPR-1Zmod" ) ROMX_LOAD( "jpr1zmod.bin", 0xf800, 0x0800, CRC(69a29b07) SHA1(1cd31032954fcd7d10b1586be62db6f7597eb4f2), ROM_BIOS(4)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1985, sapi1, 0, 0, sapi1, sapi1, sapi1_state, sapi1, "Tesla", "SAPI-1 ZPS 1", GAME_NO_SOUND_HW) COMP( 1985, sapizps2, sapi1, 0, sapi2, sapi1, sapi1_state, sapi1, "Tesla", "SAPI-1 ZPS 2", GAME_NO_SOUND_HW) COMP( 1985, sapizps3, sapi1, 0, sapi3, sapi1, sapi1_state, sapizps3, "Tesla", "SAPI-1 ZPS 3", GAME_NOT_WORKING | GAME_NO_SOUND_HW)