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// 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))
{
}