Changes
/* I/O Port Summary */
|#1F00||%x0xxxx11 xxxxxxxx||[[Dk'tronics Lightpen]] faulty mirror of #BFXX [[CRTC]] Data In|| Read || -
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|#78XX||?%0xxxx000 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#79XX||?%0xxxx001 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#7AXX||?%0xxxx010 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#7BXX||?%0xxxx011 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#7CXX||?%0xxxx100 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#7CXX||%0xxxxx00 xxxxxxxx||[[Aleste 520EX]] RAM Mapper page 0 (extended "Gate Array 3")||Read||Write
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|#7DXX||?%0xxxx101 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#7DXX||%0xxxxx01 xxxxxxxx||[[Aleste 520EX]] RAM Mapper page 1 (extended "Gate Array 3")||Read||Write
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|#7EXX||?%0xxxx110 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#7EXX||%0xxxxx10 xxxxxxxx||[[Aleste 520EX]] RAM Mapper page 2 (extended "Gate Array 3")||Read||Write
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|#7FXX||?%0xxxx111 xxxxxxxx||[[CPC4MB|4Mb Memory extension]]||-||Write
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|#7FXX||%0xxxxx11 xxxxxxxx||[[Aleste 520EX]] RAM Mapper page 3 (extended "Gate Array 3")||Read||Write
|#FB7F||%xxxxx0x1 0xxxxxx1||[[765 FDC]] (internal) Data Register||Read||Write
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|#FBBD||?%xxxxx0xx x0xxxx0x||Ram select mode [[Vortex Expansions RAM card|Vortex SP512]]||?||Write
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|#FBDC||?||[[Amstrad Serial Interface]] 8253 Timer counter 0||Read||Write
