15 lines
339 B
NASM
15 lines
339 B
NASM
;; set the Data Direction for Port B, pin 0 to "output"
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LDA # 1
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STA a 8002
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;; toggle the Output Register for Port B, pin 0 to "on"
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loop: LDA # 1
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STA a 8000
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;; toggle the Output Register for Port B, pin 0 to "off"
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LDA # 0
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STA a 8000
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;; repeat
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JMP a :loop
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