diff options
Diffstat (limited to 'src/mame/drivers/d400.cpp')
-rw-r--r-- | src/mame/drivers/d400.cpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/mame/drivers/d400.cpp b/src/mame/drivers/d400.cpp new file mode 100644 index 00000000000..d3d943d8eb0 --- /dev/null +++ b/src/mame/drivers/d400.cpp @@ -0,0 +1,64 @@ +// license:BSD-3-Clause +// copyright-holders: +/*********************************************************************************************************************************** + +Skeleton driver for Data General Dasher 400 series terminals. + +************************************************************************************************************************************/ + +#include "emu.h" +#include "cpu/m6809/m6809.h" +#include "machine/mc68681.h" +#include "machine/x2212.h" + +class d400_state : public driver_device +{ +public: + d400_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag) + , m_maincpu(*this, "maincpu") + { } + +private: + required_device<cpu_device> m_maincpu; +}; + +static ADDRESS_MAP_START( mem_map, AS_PROGRAM, 8, d400_state ) + AM_RANGE(0x0000, 0x3fff) AM_RAM + AM_RANGE(0x4800, 0x48ff) AM_RAM + AM_RANGE(0x5000, 0x50ff) AM_RAM + AM_RANGE(0x6000, 0x6fff) AM_RAM + AM_RANGE(0x7800, 0x780f) AM_DEVREADWRITE("duart", scn2681_device, read, write) + AM_RANGE(0x7880, 0x78bf) AM_DEVREADWRITE("novram", x2210_device, read, write) + AM_RANGE(0x7c00, 0x7c00) AM_WRITENOP + AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION("maincpu", 0) +ADDRESS_MAP_END + +static INPUT_PORTS_START( d461 ) +INPUT_PORTS_END + +static MACHINE_CONFIG_START( d461 ) + MCFG_CPU_ADD("maincpu", M6809, 4'000'000) + MCFG_CPU_PROGRAM_MAP(mem_map) + + MCFG_DEVICE_ADD("novram", X2210, 0) + + MCFG_DEVICE_ADD("duart", SCN2681, XTAL_3_6864MHz) +MACHINE_CONFIG_END + + + +/************************************************************************************************************** + +Data General D461. +Chips: SCN2681A, X2210P, 2x HM6116P-2, 2x HM6264P-20, HD68B09EP, CRT9007, 1x 8-sw dip. +Crystals: 3.6864, 59.2920 + +***************************************************************************************************************/ + +ROM_START( d461 ) + ROM_REGION(0x10000, "maincpu", 0) + ROM_LOAD( "dgc_100_5776-05.bin", 0x0000, 0x8000, CRC(fdce2132) SHA1(82eac1751c31f99d4490505e16af5e7e7a52b310) ) +ROM_END + +COMP( 1986, d461, 0, 0, d461, d461, d400_state, 0, "Data General", "Dasher D461", MACHINE_IS_SKELETON ) |