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64'er 1991 December
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64er_Magazin_91-12_1991_Markt__Technik_de_Side_A.d64
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listing 2
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2022-10-26
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60 lines
lISTING 2:
SEI
LDA #<NEUIRQ
LDX #>NEUIRQ
STA $0314
STX $0315
LDA #$7F
STA $DC0D
LDA #$01
STA $D01A
LDA #$28
STA $D012
LDA $D011
AND #$7F
STA $D011
LDA #$00
STA $3FFF
CLI
RTS
:NEUIRQLDA $D019
STA $D019
LDX #$00
LDA #$19
:WAITZEILECMP $D012
BCS WAITZEILE
LDY #$0C
:WAIT1DEY
BNE WAIT1
LDA #$10
STA $D011
LDY #$23
:WAIT2DEY
BNE WAIT2
BIT $C0
BIT $C0
:LABELLDY $D012
DEY
TYA
AND #$07
ORA #$10
STA $D011
LDA #06
STA $D021
LDA #01
STA $D021
LDA #02
STA $D021
LDA #01
STA $D021
LDA #06
STA $D021
INX
CPX #$64
BNE LABEL
LDA #$00
STA $D021
JMP $EA81