18 lines
314 B
Text
18 lines
314 B
Text
DoWhileSub: PHA
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TYA
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PHA ;push accumulator and Y register onto stack
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LDY #0
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DoWhileLoop: INY
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JSR DisplayValue ;routine not implemented
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TYA
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SEC
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Modulus: SBC #6
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BCS Modulus
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ADC #6
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BNE DoWhileLoop
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PLA
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TAY
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PLA ;restore Y register and accumulator from stack
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RTS ;return from subroutine
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