0000                PAD:      =   $1A80   
0000                PADD:     =   $1A81   
0000                PBD:      =   $1A82   
0000                PBDD:     =   $1A83   
0300                          .ORG   $300   
0300   A9 FF                  LDA   #$FF   
0302   8D 81 1A               STA   PADD   ; Port A komplett auf Ausgang schalten
0305                MAIN_LOOP:      
0305   A9 FF                  LDA   #$FF   ; alle Bits ein
0307   8D 80 1A               STA   PAD   
030A   A2 50                  LDX   #$50   ; Delay mit Wert in X festlegen
030C   20 1C 03               JSR   delay   
030F   A9 00                  LDA   #$00   ; alle Bits aus
0311   8D 80 1A               STA   PAD   
0314   A2 10                  LDX   #$10   ; Delay mit Wert in X festlegen
0316   20 1C 03               JSR   delay   
0319   4C 05 03               JMP   main_loop   
031C                DELAY:       
031C   A0 00                  LDY   #0   
031E                DELAY_LOOP2:      
031E   EA                     NOP      
031F   EA                     NOP      
0320   EA                     NOP      
0321   88                     DEY      
0322   D0 FA                  BNE   delay_loop2   
0324   CA                     DEX      
0325   D0 F5                  BNE   delay   
0327   60                     RTS      


PAD:                1A80 DEFINED AT LINE 1
                    > USED AT LINE 11
                    > USED AT LINE 15
PADD:               1A81 DEFINED AT LINE 2
                    > USED AT LINE 8
PBD:                1A82 DEFINED AT LINE 3
PBDD:               1A83 DEFINED AT LINE 4
MAIN_LOOP:          0305 DEFINED AT LINE 9
                    > USED AT LINE 18
DELAY:              031C DEFINED AT LINE 20
                    > USED AT LINE 13
                    > USED AT LINE 17
                    > USED AT LINE 29
DELAY_LOOP2:        031E DEFINED AT LINE 22
                    > USED AT LINE 27