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doc:cbm:disk:image:g64

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doc:cbm:disk:image:g64 [2020/06/01 01:40] eekdoc:cbm:disk:image:g64 [2020/06/01 01:46] eek
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 finding sync marks, header blocks and sector blocks. finding sync marks, header blocks and sector blocks.
  
-FIXME+  - Search for SYNC (at least 10 or more 1 bits) 
 +  - Check for header id after SYNC (GCR 0x52) 
 +  - If header, read the remaining 9 header bytes 
 +  - Decode header and get sector value 
 +  - Search for SYNC again 
 +  - Check for data id after SYNC (GCR 0x55). 
 +  - If data, read and store with previous header. 
 +  - Have we finished reading the track... stop 
 +  - Start over
  
doc/cbm/disk/image/g64.txt · Last modified: 2020/06/01 01:47 by eek

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