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Diffstat (limited to 'src/mame/drivers/ft68m.cpp')
-rw-r--r-- | src/mame/drivers/ft68m.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/mame/drivers/ft68m.cpp b/src/mame/drivers/ft68m.cpp new file mode 100644 index 00000000000..a4d5b4da4a6 --- /dev/null +++ b/src/mame/drivers/ft68m.cpp @@ -0,0 +1,128 @@ +// license:BSD-3-Clause +// copyright-holders:Robbbert +/*************************************************************************** + +Forward Technology FT-68M Multibus card. + +2013-09-26 Skeleton driver + +Chips: HD68000-10, uPD7201C, AM9513APC. Crystal: 19.6608 MHz + +Interrupts: INT6 is output of Timer 2, INT7 is output of Timer 3 (refresh), + INT5 comes from SIO. + +****************************************************************************/ + +#include "emu.h" +#include "cpu/m68000/m68000.h" +#include "machine/terminal.h" + +#define TERMINAL_TAG "terminal" + +class ft68m_state : public driver_device +{ +public: + ft68m_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_p_base(*this, "rambase"), + m_maincpu(*this, "maincpu"), + m_terminal(*this, TERMINAL_TAG) + { + } + + DECLARE_WRITE8_MEMBER(kbd_put); + DECLARE_READ16_MEMBER(keyin_r); + DECLARE_READ16_MEMBER(status_r); + DECLARE_READ16_MEMBER(switches_r); +private: + UINT8 m_term_data; + virtual void machine_reset(); + required_shared_ptr<UINT16> m_p_base; + required_device<cpu_device> m_maincpu; + required_device<generic_terminal_device> m_terminal; +}; + +READ16_MEMBER( ft68m_state::keyin_r ) +{ + UINT16 ret = m_term_data; + m_term_data = 0; + return ret << 8; +} + +READ16_MEMBER( ft68m_state::status_r ) +{ + return (m_term_data) ? 0x500 : 0x400; +} + +READ16_MEMBER( ft68m_state::switches_r ) +{ + return 0x7c00; // bypass self test +} + + +static ADDRESS_MAP_START(ft68m_mem, AS_PROGRAM, 16, ft68m_state) + ADDRESS_MAP_UNMAP_HIGH + ADDRESS_MAP_GLOBAL_MASK(0xffffff) + AM_RANGE(0x000000, 0x1fffff) AM_RAM AM_SHARE("rambase") + AM_RANGE(0x200000, 0x201fff) AM_ROM AM_REGION("roms", 0x0000) + AM_RANGE(0x400000, 0x401fff) AM_ROM AM_REGION("roms", 0x2000) + AM_RANGE(0x600000, 0x600001) AM_READ(keyin_r) AM_DEVWRITE8(TERMINAL_TAG, generic_terminal_device, write, 0xff00) + AM_RANGE(0x600002, 0x600003) AM_READ(status_r) + //AM_RANGE(0x600000, 0x600003) AM_MIRROR(0x1ffffc) uPD7201 SIO + //AM_RANGE(0x800000, 0x800003) AM_MIRROR(0x1ffffc) AM9513 Timer + AM_RANGE(0xa00000, 0xbfffff) AM_RAM //Page Map + AM_RANGE(0xc00000, 0xdfffff) AM_RAM //Segment Map + AM_RANGE(0xe00000, 0xffffff) AM_READ(switches_r) //Context Register +ADDRESS_MAP_END + + +/* Input ports */ +static INPUT_PORTS_START( ft68m ) +INPUT_PORTS_END + + +void ft68m_state::machine_reset() +{ + UINT8* ROM = memregion("roms")->base(); + memcpy(m_p_base, ROM, 8); + m_maincpu->reset(); +} + +WRITE8_MEMBER( ft68m_state::kbd_put ) +{ + m_term_data = data; +} + +static MACHINE_CONFIG_START( ft68m, ft68m_state ) + + /* basic machine hardware */ + MCFG_CPU_ADD("maincpu", M68000, XTAL_19_6608MHz / 2) + MCFG_CPU_PROGRAM_MAP(ft68m_mem) + + /* video hardware */ + MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) + MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(ft68m_state, kbd_put)) +MACHINE_CONFIG_END + +/* ROM definition */ +ROM_START( ft68m ) + ROM_REGION16_BE(0x4000, "roms", 0) + ROM_LOAD16_BYTE("23-0009-01c.a4", 0x0000, 0x1000, CRC(0d45fc8d) SHA1(59587cb1c151bfd0d69e708716ed3b0a78aa85ea) ) + ROM_LOAD16_BYTE("23-0008-01c.a1", 0x0001, 0x1000, CRC(d1aa1164) SHA1(05e10f1c594e2acd369949b873a524a9cc37829f) ) + ROM_LOAD16_BYTE( "33-01.a6", 0x2000, 0x1000, CRC(53fe3c73) SHA1(ad15c74cd8edef9d9716ad0d16f7a95ff2af901f) ) + ROM_LOAD16_BYTE( "33-00.a3", 0x2001, 0x1000, CRC(06b1cc77) SHA1(12e3314e92f800b3c4ebdf55dcd5351230224788) ) + + ROM_REGION(0x700, "proms", 0) + ROM_LOAD("23-0010-00.a15", 0x000, 0x020, CRC(20eb1183) SHA1(9b268792b28d858d6b6a1b6c4148af88a8d6b735) ) + ROM_LOAD("23-0011-00.a14", 0x100, 0x200, CRC(12d9a6be) SHA1(fca99f9c5afc630ac67cbd4e5ba4e5242b826848) ) + ROM_LOAD("23-0012-00.a16", 0x300, 0x020, CRC(ee1e5a14) SHA1(0d3346cb3b647fa2475bd7b4fa36ea6ecfdaf805) ) + ROM_LOAD("23-0034-00.e4", 0x400, 0x100, CRC(1a573887) SHA1(459bd2d8dc8c4b1c0a529984ae8e38d0c81a084c) ) + ROM_LOAD("23-0037-00.e7", 0x500, 0x100, CRC(9ed4b7f6) SHA1(136a74567094d8462c3a4de1b7e6eb8f30fe71ca) ) + ROM_LOAD("23-0038-00.f1", 0x600, 0x100, CRC(3e56cce5) SHA1(f30a8d5d744bfc25493cd1e92961bbb75f9e0d05) ) +ROM_END + + +/* Driver */ + +/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ +COMP( 198?, ft68m, 0, 0, ft68m, ft68m, driver_device, 0, "Forward Technology", "FT-68M", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) |