     $D464/54372:   Write block

    Jump from $CD8C, $CD9D, $D790, $D93A, $D98A, $EEAC:

    D464: A9 90     LDA #$90        ; command code for writing

    Jump from $D462:

    D466: 05 7F     ORA $7F         ; drive number
    D468: 8D 4D 02  STA $024D       ; save code
    D46B: A5 F9     LDA $F9
    D46D: 20 D3 D6  JSR $D6D3       ; parameter to disk controller
    D470: A6 F9     LDX $F9
    D472: 4C 93 D5  JMP $D593       ; execute command

        Previous Page / Next Page