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Document Title: [CentipedeMap.html (html file)]

Centipede Memory Map 
LOCATIONS OF INTEREST IN CENTIPEDE:

0400-07BF	SCREEN RAM (8x8 TILES, 32x30 SCREEN)
07C0-07CF	SPRITE IMAGE OFFSETS
07D0-07DF	SPRITE HORIZONTAL OFFSETS
07E0-07EF	SPRITE VERTICAL OFFSETS
07F0-07FF	SPRITE COLOR OFFSETS
0800		OPTION SWITCH BANK 1
0801		OPTION SWITCH BANK 2

0C00		BIT 1-4 IS TRACKBALL HORIZONTAL
		BIT 5 IS SERVICE
		BIT 6 IS WATCHDOG (?)

0C01		BIT 1 IS 1P START
		BIT 2 IS 2P START
		BIT 3 IS P1 FIRE
		BIT 4 IS P2 FIRE
		BIT 5 IS SLAM, LEFT COIN, AND UTIL COIN
		BIT 6,7 (?)
		BIT 8 IS RIGHT COIN

0C02		BIT 1-4 IS TRACKBALL VERTICAL

0C03		JOYSTICKS
		BIT 1 IS P2 UP
		BIT 2 IS P2 DOWN
		BIT 3 IS P2 LEFT
		BIT 4 IS P2 RIGHT
		BIT 5 IS P1 UP
		BIT 6 IS P1 DOWN
		BIT 7 IS P1 LEFT
		BIT 8 IS P1 RIGHT
		 
1000-100F	POKEY
1400-140F	COLOR RAM
1800		INTERRUPT ACKNOWLEDGE
2400		CLEAR TRACKBALL
2000		CLEAR WATCHDOG
2000-3FFF	GAME CODE


Pete Rittwage
1-4-97