[MAME]

Midway MCR-1 system

	Games supported:
		* Solar Fox
		* Kick

Memory map

****************************************************************************

	========================================================================
	CPU #1
	========================================================================
	0000-6FFF   R     xxxxxxxx    Program ROM
	7000-77FF   R/W   xxxxxxxx    NVRAM
	F000-F1FF   R/W   xxxxxxxx    Sprite RAM
	F400-F41F     W   xxxxxxxx    Palette RAM blue/green
	F800-F81F     W   xxxxxxxx    Palette RAM red
	FC00-FFFF   R/W   xxxxxxxx    Background video RAM
	========================================================================
	0000        R     x-xxxxxx    Input ports
	            R     x-------    Service switch (active low)
	            R     --x-----    Tilt
	            R     ---xxx--    External inputs
	            R     ------x-    Right coin
	            R     -------x    Left coin
	0000        W     xxxxxxxx    Data latch OP0 (coin meters, 2 led's and cocktail 'flip')
	0001        R     xxxxxxxx    External inputs
	0002        R     xxxxxxxx    External inputs
	0003        R     xxxxxxxx    DIP switches
	0004        R     xxxxxxxx    External inputs
	0004        W     xxxxxxxx    Data latch OP4 (comm. with external hardware)
	0007        R     xxxxxxxx    Audio status
	001C-001F   W     xxxxxxxx    Audio latches 1-4
	00E0        W     --------    Watchdog reset
	00E8        W     xxxxxxxx    Unknown (written at initialization time)
	00F0-00F3   W     xxxxxxxx    CTC communications
	========================================================================
	Interrupts:
		NMI ???
		INT generated by CTC
	========================================================================


	========================================================================
	CPU #2 (Super Sound I/O)
	========================================================================
	0000-3FFF   R     xxxxxxxx    Program ROM
	8000-83FF   R/W   xxxxxxxx    Program RAM
	9000-9003   R     xxxxxxxx    Audio latches 1-4
	A000          W   xxxxxxxx    AY-8910 #1 control
	A001        R     xxxxxxxx    AY-8910 #1 status
	A002          W   xxxxxxxx    AY-8910 #1 data
	B000          W   xxxxxxxx    AY-8910 #2 control
	B001        R     xxxxxxxx    AY-8910 #2 status
	B002          W   xxxxxxxx    AY-8910 #2 data
	C000          W   xxxxxxxx    Audio status
	E000          W   xxxxxxxx    Unknown
	F000        R     xxxxxxxx    Audio board switches
	========================================================================
	Interrupts:
		NMI ???
		INT generated by external circuitry 780 times/second
	========================================================================

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