explained all similarities >3

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FeralChild64 committed 2020-06-27 12:01:51 +02:00
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@@ -0,0 +1,3 @@
RTS + LDA #$01 + BIT + LDA #$00
Routine starting by setting .A to 0 or 1 depending on entry address (common 6502 trick to save memoryy using BIT instruction). Not creative - not copyrightable.