    LED-Routinen des Controller-Programms

    JOB $94: LEDACTON_DV

    C546: A5 79     LDA $79          b6=1: Drive-LED an
    C548: 09 40     ORA #$40
    C54A: 85 79     STA $79
    C54C: 4C 99 C3  JMP $C399

    JOB $96: LEDACTOFF_DV

    C54F: A5 79     LDA $79          b6=0: Drive-LED aus
    C551: 29 BF     AND #$BF
    C553: 85 79     STA $79
    C555: 4C 99 C3  JMP $C399

    JOB $98: ERRLEDON_DV

    C558: A5 79     LDA $79          b5=1: Fehler-LED-Blinken
    C55A: 09 20     ORA #$20
    C55C: 85 79     STA $79
    C55E: 4C 99 C3  JMP $C399

    JOB $9a: ERRLEDOFF_DV

    C561: A5 79     LDA $79          b5=0: kein Fehler-LED-Blinken
    C563: 29 DF     AND #$DF
    C565: 85 79     STA $79
    C567: 4C 99 C3  JMP $C399

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