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Rev 29 Rev 34
Line 15... Line 15...
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			0x1: Sound Mark I
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			0x1: Sound Mark I
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		System:
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		System:
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			0x1: Math Mark I
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			0x1: Math Mark I
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			0x2: Text Mark I
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			0x2: Text Mark I
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			0x3: Debug
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			0x3: Debug
-
 
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			0x4: ROMcard Mark I
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Video Mark I card maps itself to:
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Video Mark I card maps itself to:
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	+0: VDP address
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	+0: VDP address
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	+1: VDP data
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	+1: VDP data
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	+2: See above
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	+2: See above
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		1 2
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		1 2
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		 3
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		 3
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		4 5
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		4 5
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		 6 7
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		 6 7
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	+2: See above
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	+2: See above
-
 
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-
 
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ROMcard Mark I card maps itself to:
-
 
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	+0: Address (Holds 24 bit address inside, gets left shifted by each write)
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	+1: Data
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	+2: See above