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18 lines
349 B
Plaintext
18 lines
349 B
Plaintext
RAND8
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LDX #8
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LDA RNDL+0
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:A
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ASL ;SHIFT THE REG
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ROL RNDL+1
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BCC :B
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EOR #$2D ; APPLY XOR FEEDBACK
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:B
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DEX
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BNE :A
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STA RNDL+0
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STA RETURN
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LDY #1
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STY RETLEN
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CMP #0 ; RELOAD FLAGS
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RTS
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