24 lines
1.3 KiB
Plaintext
24 lines
1.3 KiB
Plaintext
U1 - entire ROM can be banked into $Axxx/Bxxx (with $C079/$C078 softswitches)
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$0000-05FF (empty)
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$0600-06FF Slot 6 Disk Controller firmware mapped directly to $C6xx
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$0700-07FF (empty)
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$0800-0A34 Disk Controller Expansion ROM code "works" when run from $C800-CA34
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$0A35-0AFF (empty)
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$0B00-0CE6 Unknown, possibly a self-test? code "works" when run from $CB00-CCE6
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$0CE7-0FFF (empty)
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$1000-14D7 Parallel Port functions code "works" when run from $B000-B4D7
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$14D8-1FFF (empty)
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U2 - appears to mimic Apple "CD ROM" including most banking logic except for the "Slot 1" range
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$0000-00FF Slot 1 Parallel Port firmware mapped to $C1xx, banks U1 into $Bxxx to function
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$0100-015B Unknown code
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$015C-02FF (empty)
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$0300-03FF Slot 3 80-column firmware mapped to $C3xx
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$0400-054F Unknown code, probably 80—col unknown location, likely $C400-C54F
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$0550-07FF (empty)
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$0800-0FFF Expansion ROM, probably for 80-col code "works" when run from $C800-CFFF
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(this is the ROM code mapped to $C800-CFFF during "idle" at a BASIC prompt)
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$1000-1FFF BASIC mapped directly to $Dxxx
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U3 - appears to mimic Apple "EF ROM" - fixed, no banking options
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$0000-1FFF BASIC/Monitor mapped directly to $Exxx/Fxxx |