// license:BSD-3-Clause // copyright-holders:Justin Kerk /*************************************************************************** Tektronix TekXpress XP33x series X terminals Skeleton driver. ****************************************************************************/ /* TODO: - everything Technical info: https://www.linux-mips.org/wiki/Tektronix_TekXPress_XP338 https://web.archive.org/web/20061013084616/http://tekxp-linux.hopto.org/pmwiki/pmwiki.php/Hardware/XP33x http://bio.gsi.de/DOCS/NCD/xp.html CPU: IDT 79R3052E (MIPS I R3000 embedded core. Big Endian. With MMU, without FPU.) Graphic Chipset: Texas Instruments (34020AGBL-40) TI 34010 (TIGA) Graphic RAMDAC: Brooktree BT458LPJ135 (Supported in XFree86) RAM: 4MB onboard, upgradeable to 52MB, 3 slots for 5V FPM NoParity SIMMs ROM: 256Kb, 2 x 27c1024 (64Kx16), with BootMonitor Peripherals: 1x Ethernet Port (AUI and UTP) -- AMD AM79C98 Chipset 2x Serial Ports -- Philips SCC2692 Dual UART chipset Keyboard and Mouse controller is a generic PC-Style i8742 with Phoenix BIOS. 1x "ERGO" Port (Combined Monitor, Keyboard, Mouse) 16K (2K*8) EEPROM is SEEQ NQ2816A-250, AT28C16 compatible. Contains Boot Monitor settings. The content is compressed. Micron MT56C0816 - ??? Flash */ #include "emu.h" #include "cpu/mips/mips1.h" #include "cpu/tms34010/tms34010.h" #include "emupal.h" #include "screen.h" #define SCREEN_TAG "screen" class tekxp330_state : public driver_device { public: tekxp330_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } void tekxp330(machine_config &config); private: virtual void machine_start() override; virtual void video_start() override; uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); void cpu_map(address_map &map); void tms_map(address_map &map); }; /* Memory Maps */ void tekxp330_state::cpu_map(address_map &map) { map(0x00000000, 0x003fffff).ram(); map(0x1fc00000, 0x1fdfffff).rom().region("maincpu", 0); } void tekxp330_state::tms_map(address_map &map) { } /* Input Ports */ static INPUT_PORTS_START( tekxp330 ) INPUT_PORTS_END /* Video */ void tekxp330_state::video_start() { } uint32_t tekxp330_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { return 0; } /* Machine Initialization */ void tekxp330_state::machine_start() { } /* Machine Driver */ void tekxp330_state::tekxp330(machine_config &config) { /* basic machine hardware */ r3052e_device &maincpu(R3052E(config, "maincpu", XTAL(20'000'000))); /* IDT 79R3052E, clock unknown */ maincpu.set_endianness(ENDIANNESS_BIG); maincpu.set_addrmap(AS_PROGRAM, &tekxp330_state::cpu_map); tms34010_device &tms(TMS34010(config, "tms", XTAL(40'000'000))); /* clock unknown */ tms.set_addrmap(AS_PROGRAM, &tekxp330_state::tms_map); /* video hardware */ screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER)); screen.set_refresh_hz(60); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_screen_update(FUNC(tekxp330_state::screen_update)); screen.set_size(640, 480); screen.set_visarea(0, 640-1, 0, 480-1); PALETTE(config, "palette").set_entries(64); } /* ROMs */ ROM_START( tekxp330 ) ROM_REGION( 0x200000, "maincpu", 0 ) /* TekXpress XP300 Boot ROM V1.0 Thu Feb 6 14:50:16 PST 1992 */ ROM_LOAD32_DWORD( "xp300.bin", 0x000000, 0x200000, CRC(9a324588) SHA1(a6e10275f8215f446be91128bab4c643693da653) ) ROM_END /* System Drivers */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1992, tekxp330, 0, 0, tekxp330, tekxp330, tekxp330_state, empty_init, "Tektronix", "TekXpress XP330", MACHINE_IS_SKELETON )