     $D6D0/54992:   Transmit param to disk controller

    Jump from $D09B, $D0BA, $D186, $D1BE, $DCE2, $DE7F, $E3B9, $E3CB:

    D6D0: 20 93 DF  JSR $DF93       ; get buffer number

    Jump from $C8D7, $D03A, $D46D, $DC8F, $DD2E, $DF3D:

    D6D3: 0A        ASL
    D6D4: A8        TAY
    D6D5: A5 80     LDA $80         ; track number
    D6D7: 99 06 00  STA $06,Y       ; transmit
    D6DA: A5 81     LDA $81         ; sector number
    D6DC: 99 07 00  STA $07,Y       ; transmit
    D6DF: A5 7F     LDA $7F         ; drive number
    D6E1: 0A        ASL             ; times 2
    D6E2: AA        TAX
    D6E3: 60        RTS

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