[MAME]

	Star Fire/Fire One system


	Memory map

	========================================================================
	MAIN CPU
	========================================================================
	0000-7FFF   R     xxxxxxxx   Program ROM
	8000-9FFF   R/W   xxxxxxxx   Scratch RAM, actually mapped into low VRAM
	9000          W   xxxxxxxx   VRAM write control register
	              W   xxx-----      (VRAM shift amount 1)
	              W   ---x----      (VRAM write mirror 1)
	              W   ----xxx-      (VRAM shift amount 2)
	              W   -------x      (VRAM write mirror 2)
	9001          W   xxxxxxxx   Video control register
	              W   x-------      (Color RAM source select)
	              W   -x------      (Palette RAM write enable)
	              W   --x-----      (Video RAM write enable)
	              W   ---x----      (Right side mask select)
	              W   ----xxxx      (Video RAM ALU operation)
	9800-9807   R     xxxxxxxx   Input ports
	A000-BFFF   R/W   xxxxxxxx   Color RAM
	C000-DFFF   R/W   xxxxxxxx   Video RAM, using shift/mirror 1 and color
	E000-FFFF   R/W   xxxxxxxx   Video RAM, using shift/mirror 2
	========================================================================
	Interrupts:
	   NMI generated once/frame
	========================================================================

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[Nov/16/97]

This is the TMS2716 EPROM version, which has no rom at 1F


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