no edit summary
+81
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+273
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+949
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+164
no edit summary
+44
no edit summary
+332
Created page with "* Palette index 0 has a mask of &9F (bits for r,g,b and color key), other indices have a mask of 0x01f for just r,g,b. * If you read from a write-only register you will see da..."
no edit summary
+1
Created page with "The CPC Powergraph is an additional graphics card for the CPC which uses the [[V9990] VDP."
I/O Port Summary
+7
Technical
+170
Technical
+95
no edit summary
+603
no edit summary
+1,070
Data separator syncing
+112
MFM
+210
no edit summary
+119
Vortex -S and -D Drives (720K/disk)
+85
Vortex -Z Drives (180K/side or 180K/disk?)
+2
Vortex -S and -D Drives (720K/disk)
+158
no edit summary
+196
no edit summary
+52
MFM
-17
MFM
+132
no edit summary
+116
no edit summary
+783
MFM
+283
IC Models used in CPC
+11
MFM
Syncing
+163
no edit summary
+833
Syncing
-833
Syncing
+80
no edit summary
+218
no edit summary
+139
no edit summary
+1,127
no edit summary
+535
Created page with "The IBM System 34 double density format is a structure used by NEC765 compatible disc controllers when writing in MFM mode. The data has this form: The track starts with thi..."
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+110
Created page with "=MFM= MFM is an acronym for "Modified Frequency Modulation" and is a data encoding used on floppy discs. It is used by the NEC 765. MFM is stored as flux transitions on..."
MFM
+53
Created page with " == MFM == Some FDCs are quite relaxed in the data that they accept. The following applies to the NEC D765AC-2 and was found through testing: * The only address mark which i..."
IC Models used in CPC
+4
Implementations
+73
no edit summary
+168
CPM+ patched for 464. BANK no longer required.
Downloads
+4
CPM+
+46