diff options
Diffstat (limited to 'src/devices/cpu/upd7810/upd7811.cpp')
-rw-r--r-- | src/devices/cpu/upd7810/upd7811.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/devices/cpu/upd7810/upd7811.cpp b/src/devices/cpu/upd7810/upd7811.cpp new file mode 100644 index 00000000000..13c10c68baf --- /dev/null +++ b/src/devices/cpu/upd7810/upd7811.cpp @@ -0,0 +1,35 @@ +// license:BSD-3-Clause +// copyright-holders:Juergen Buchmueller + +/* + + uPD7811 - variant of uPD7810 with internal ROM + +*/ + +#include "upd7811.h" + +/* + the MODE pins can cause this to work with external ROM instead + todo: document MODE pins + + M0 M1 + + 0 0 - + 0 1 - + 1 0 - + 1 1 - + +*/ + +static ADDRESS_MAP_START( upd_internal_4096_rom_map, AS_PROGRAM, 8, upd7810_device ) + AM_RANGE(0x0000, 0x0fff) AM_ROM + AM_RANGE(0xff00, 0xffff) AM_RAM +ADDRESS_MAP_END + +DEFINE_DEVICE_TYPE(UPD7811, upd7811_device, "upd78c11", "uPD78C11") + +upd7811_device::upd7811_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : upd7810_device(mconfig, UPD7811, tag, owner, clock, ADDRESS_MAP_NAME(upd_internal_4096_rom_map)) +{ +}
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