March 2008
A little something something
Part two of two.
Part One of Two. My real voicemail by the way. A...
adtech.txt
$F33 IOB33 This is the built-in IOB module used to write to 3.3 formatted disks. A disassembled listing of it is included below: $F33- IOB33 STY SECTOR ;Store sector $F36- STX DPAG ;and page number $F39- LSR A ;Convert phase # to track # $F3A- STA TRACK ;and store it $F3D- LDA DRV ;Check # of...