diff options
Diffstat (limited to 'src/mame/drivers/cortex.cpp')
-rw-r--r-- | src/mame/drivers/cortex.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/mame/drivers/cortex.cpp b/src/mame/drivers/cortex.cpp new file mode 100644 index 00000000000..e208d5c1899 --- /dev/null +++ b/src/mame/drivers/cortex.cpp @@ -0,0 +1,107 @@ +// license:BSD-3-Clause +// copyright-holders:Robbbert +/*************************************************************************** + + Powertran Cortex + + 2012-04-20 Skeleton driver. + + ftp://ftp.whtech.com/Powertran Cortex/ + http://www.powertrancortex.com/index.html + + Uses Texas Instruments parts and similar to other TI computers. + It was designed by TI engineers, so it may perhaps be a clone + of another TI or the Geneve. + + Chips: + TMS9995 - CPU + TMS9929 - Video + TMS9911 - DMA to floppy + TMS9909 - Floppy Disk Controller + AY-5-2376 - Keyboard controller + +****************************************************************************/ + + +#include "emu.h" +#include "cpu/tms9900/tms9995.h" +#include "video/tms9928a.h" + +class cortex_state : public driver_device +{ +public: + cortex_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + , m_p_ram(*this, "ram") + { } + + virtual void machine_reset(); + required_device<tms9995_device> m_maincpu; + required_shared_ptr<UINT8> m_p_ram; +}; + +static ADDRESS_MAP_START( cortex_mem, AS_PROGRAM, 8, cortex_state ) + AM_RANGE(0x0000, 0xefff) AM_RAM AM_SHARE("ram") + AM_RANGE(0xf100, 0xf11f) AM_RAM // memory mapping unit + AM_RANGE(0xf120, 0xf120) AM_DEVREADWRITE("tms9928a", tms9928a_device, vram_read, vram_write) + AM_RANGE(0xf121, 0xf121) AM_DEVREADWRITE("tms9928a", tms9928a_device, register_read, register_write) + //AM_RANGE(0xf140, 0xf147) // fdc tms9909 +ADDRESS_MAP_END + +static ADDRESS_MAP_START( cortex_io, AS_IO, 8, cortex_state ) + ADDRESS_MAP_UNMAP_HIGH + //AM_RANGE(0x0000, 0x000f) AM_READWRITE(pio_r,pio_w) + //AM_RANGE(0x0010, 0x001f) AM_READ(keyboard_r) + //AM_RANGE(0x0080, 0x00bf) AM_READWRITE(rs232_r,rs232_w) + //AM_RANGE(0x0180, 0x01bf) AM_READWRITE(cass_r,cass_w) + //AM_RANGE(0x0800, 0x080f) AM_WRITE(cent_data_w) + //AM_RANGE(0x0810, 0x0811) AM_WRITE(cent_strobe_w) + //AM_RANGE(0x0812, 0x0813) AM_READ(cent_stat_r) + //AM_RANGE(0x1ee0, 0x1eef) AM_READWRITE(cpu_int_r,cpu_int_w) + //AM_RANGE(0x1fda, 0x1fdb) AM_READWRITE(cpu_int1_r,cpu_int1_w) + AM_RANGE(0x10000, 0x10000) AM_NOP +ADDRESS_MAP_END + +/* Input ports */ +static INPUT_PORTS_START( cortex ) +INPUT_PORTS_END + + +void cortex_state::machine_reset() +{ + UINT8* ROM = memregion("maincpu")->base(); + memcpy(m_p_ram, ROM, 0x6000); + m_maincpu->set_ready(ASSERT_LINE); +} + +static MACHINE_CONFIG_START( cortex, cortex_state ) + /* basic machine hardware */ + /* TMS9995 CPU @ 12.0 MHz */ + // Standard variant, no overflow int + // No lines connected yet + MCFG_TMS99xx_ADD("maincpu", TMS9995, 12000000, cortex_mem, cortex_io) + + /* video hardware */ + MCFG_DEVICE_ADD( "tms9928a", TMS9929A, XTAL_10_738635MHz / 2 ) + MCFG_TMS9928A_VRAM_SIZE(0x4000) + MCFG_TMS9928A_SCREEN_ADD_PAL( "screen" ) + MCFG_SCREEN_UPDATE_DEVICE( "tms9928a", tms9928a_device, screen_update ) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( cortex ) + ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF ) + ROM_SYSTEM_BIOS(0, "basic", "Cortex Bios") + ROMX_LOAD( "cortex_ic47.bin", 0x0000, 0x2000, CRC(bdb8c7bd) SHA1(340829dcb7a65f2e830fd5aff82a312e3ed7918f), ROM_BIOS(1)) + ROMX_LOAD( "cortex_ic46.bin", 0x2000, 0x2000, CRC(4de459ea) SHA1(00a42fe556d4ffe1f85b2ce369f544b07fbd06d9), ROM_BIOS(1)) + ROMX_LOAD( "cortex_ic45.bin", 0x4000, 0x2000, CRC(b0c9b6e8) SHA1(4e20c3f0b7546b803da4805cd3b8616f96c3d923), ROM_BIOS(1)) + ROM_SYSTEM_BIOS(1, "forth", "FIG-Forth") + ROMX_LOAD( "forth_ic47.bin", 0x0000, 0x2000, CRC(999034be) SHA1(0dcc7404c38aa0ae913101eb0aa98da82104b5d4), ROM_BIOS(2)) + ROMX_LOAD( "forth_ic46.bin", 0x2000, 0x2000, CRC(8eca54cc) SHA1(0f1680e941ef60bb9bde9a4b843b78f30dff3202), ROM_BIOS(2)) +ROM_END + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ +COMP( 1982, cortex, 0, 0, cortex, cortex, driver_device, 0, "Powertran Cybernetics", "Cortex", MACHINE_NOT_WORKING | MACHINE_NO_SOUND) |