diff options
Diffstat (limited to 'src/mame/drivers/onyx.c')
-rw-r--r-- | src/mame/drivers/onyx.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/mame/drivers/onyx.c b/src/mame/drivers/onyx.c new file mode 100644 index 00000000000..85d02013975 --- /dev/null +++ b/src/mame/drivers/onyx.c @@ -0,0 +1,169 @@ +// license:BSD-3-Clause +// copyright-holders:Robbbert +/*********************************************************************************************** + +Onyx C8002 + +2013-08-18 Skeleton Driver + +Copied from p8k.c + +The C8002 is one of the earliest minicomputers to use Unix as an operating system. + +The system consists of a main CPU (Z8002), and a slave CPU for Mass Storage control (Z80) + +The Z80 board contains a 19.6608 and 16 MHz crystals; 2x Z80CTC; 3x Z80SIO/0; Z80DMA; 3x Z80PIO; +2 eproms marked 459-3 and 460-3, plus 2 proms. + +The Z8002 board contains a 16 MHz crystal; 3x Z80CTC; 5x Z80SIO/0; 3x Z80PIO; 2 eproms marked +466-E and 467E, plus the remaining 7 small proms. + +The system can handle 8 RS232 terminals, 7 hard drives, a tape cartridge drive, parallel i/o, +and be connected to a RS422 network. + +*************************************************************************************************/ + +#include "emu.h" +#include "cpu/z80/z80.h" +#include "cpu/z8000/z8000.h" +//#include "cpu/z80/z80daisy.h" +//#include "machine/z80ctc.h" +//#include "machine/z80pio.h" +//#include "machine/z80dart.h" +//#include "machine/z80dma.h" +#include "machine/terminal.h" + +#define TERMINAL_TAG "terminal" + +class onyx_state : public driver_device +{ +public: + onyx_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_terminal(*this, TERMINAL_TAG) + { + } + + DECLARE_MACHINE_RESET(c8002); + DECLARE_WRITE8_MEMBER(kbd_put); + DECLARE_READ8_MEMBER(portff05_r); + +private: + UINT8 m_term_data; + required_device<cpu_device> m_maincpu; + required_device<generic_terminal_device> m_terminal; +}; + + +READ8_MEMBER( onyx_state::portff05_r ) +{ + //return m_term_data; + + return 4; +} + +WRITE8_MEMBER( onyx_state::kbd_put ) +{ + m_term_data = data; +} + + +/* Input ports */ +static INPUT_PORTS_START( c8002 ) +INPUT_PORTS_END + + +MACHINE_RESET_MEMBER(onyx_state, c8002) +{ +} + +static ADDRESS_MAP_START(c8002_mem, AS_PROGRAM, 16, onyx_state) + AM_RANGE(0x00000, 0x00fff) AM_ROM AM_SHARE("share0") + AM_RANGE(0x01000, 0x07fff) AM_RAM AM_SHARE("share1") + AM_RANGE(0x08000, 0xfffff) AM_RAM AM_SHARE("share2") +ADDRESS_MAP_END + +//static ADDRESS_MAP_START(c8002_data, AS_DATA, 16, onyx_state) +// AM_RANGE(0x00000, 0x00fff) AM_ROM AM_SHARE("share0") +// AM_RANGE(0x01000, 0x07fff) AM_RAM AM_SHARE("share1") +// AM_RANGE(0x08000, 0xfffff) AM_RAM AM_SHARE("share2") +//ADDRESS_MAP_END + +static ADDRESS_MAP_START(c8002_io, AS_IO, 8, onyx_state) + AM_RANGE(0xff00, 0xff01) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write) + AM_RANGE(0xff04, 0xff05) AM_READ(portff05_r) +ADDRESS_MAP_END + +static ADDRESS_MAP_START(submem, AS_PROGRAM, 8, onyx_state) + AM_RANGE(0x0000, 0x0fff) AM_ROM + AM_RANGE(0x1000, 0xffff) AM_RAM +ADDRESS_MAP_END + +static ADDRESS_MAP_START(subio, AS_IO, 8, onyx_state) + ADDRESS_MAP_GLOBAL_MASK(0xff) +ADDRESS_MAP_END + + +/*************************************************************************** + + Machine Drivers + +****************************************************************************/ + +static MACHINE_CONFIG_START( c8002, onyx_state ) + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", Z8002, XTAL_4MHz ) + //MCFG_CPU_CONFIG(main_daisy_chain) + MCFG_CPU_PROGRAM_MAP(c8002_mem) + //MCFG_CPU_DATA_MAP(c8002_data) + MCFG_CPU_IO_MAP(c8002_io) + + MCFG_CPU_ADD("subcpu", Z80, XTAL_4MHz ) + //MCFG_CPU_CONFIG(sub_daisy_chain) + MCFG_CPU_PROGRAM_MAP(submem) + MCFG_CPU_IO_MAP(subio) + MCFG_MACHINE_RESET_OVERRIDE(onyx_state, c8002) + + /* peripheral hardware */ + //MCFG_DEVICE_ADD("z80ctc_0", Z80CTC, XTAL_4MHz) + //MCFG_DEVICE_ADD("z80ctc_1", Z80CTC, XTAL_4MHz) + //MCFG_Z80SIO0_ADD("z80sio_0", 9600, 0, 0, 0, 0) + //MCFG_Z80SIO0_ADD("z80sio_1", 9600, 0, 0, 0, 0) + //MCFG_DEVICE_ADD("z80pio_0", Z80CTC, XTAL_4MHz) + //MCFG_DEVICE_ADD("z80pio_1", Z80CTC, XTAL_4MHz) + //MCFG_DEVICE_ADD("z80pio_2", Z80CTC, XTAL_4MHz) + + /* video hardware */ + MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) + MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(onyx_state, kbd_put)) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( c8002 ) + ROM_REGION16_BE( 0x100000, "maincpu", 0 ) + ROM_LOAD16_BYTE("466-e", 0x0001, 0x0800, CRC(13534bcb) SHA1(976c76c69af40b0c0a5038e428a10b39a619a036)) + ROM_LOAD16_BYTE("467-e", 0x0000, 0x0800, CRC(0d5b557f) SHA1(0802bc6c2774f4e7de38a9c92e8558d710eed287)) + + ROM_REGION( 0x10000, "subcpu", 0 ) + ROM_LOAD("459-3", 0x0000, 0x0800, CRC(c8906653) SHA1(7dea9fffa974479ef5926df567261f2aaa7a3283)) + ROM_LOAD("460-3", 0x0800, 0x0800, CRC(ce6c0214) SHA1(f69ee4c6c0d1e72574a9cf828dbb3e08f06d029a)) + + ROM_REGION( 0x900, "proms", 0 ) + // for main cpu + ROM_LOAD("468-a", 0x000, 0x100, CRC(89781491) SHA1(f874d0cf42a733eb2b92b15647aeac7178d7b9b1)) + ROM_LOAD("469-a", 0x100, 0x100, CRC(45e439de) SHA1(4f1af44332ae709d92e919c9e48433f29df5e632)) + ROM_LOAD("470a-3", 0x200, 0x100, CRC(c50622a9) SHA1(deda0df93fc4e4b5f4be313e4bfe0c5fc669a024)) + ROM_LOAD("471-a", 0x300, 0x100, CRC(c09ca06b) SHA1(cb99172f5342427c68a109ee108a0c49b44e7010)) + ROM_LOAD("472-a", 0x400, 0x100, CRC(e1316fed) SHA1(41ed2d822c74da4e1ce06eb229629576e7f5035f)) + ROM_LOAD("473-a", 0x500, 0x100, CRC(5e8efd7f) SHA1(647064e0c3b0d795a333febc57228472b1b32345)) + ROM_LOAD("474-a", 0x600, 0x100, CRC(0052edfd) SHA1(b5d18c9a6adce7a6d627ece40a60aab8c55a6597)) + // for sub cpu + ROM_LOAD("453-a", 0x700, 0x100, CRC(7bc3871e) SHA1(6f75eb04911fa1ff66714276b8a88be62438a1b0)) + ROM_LOAD("454-a", 0x800, 0x100, CRC(aa2233cd) SHA1(4ec3a8c06cccda02f080e89831ecd8a9c96d3650)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ +COMP( 1982, c8002, 0, 0, c8002, c8002, driver_device, 0, "Onyx", "C8002", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) |