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Loading A once before the loop is sufficient.
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@ -58,8 +58,9 @@ scroll: lda SCRNBASE+$00A5,x
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sta SCRNBASE+$0285,x
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sta SCRNBASE+$0285,x
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inx
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inx
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bne scroll
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bne scroll
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bottom:
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lda #' ' ; Clear bottom line of screen
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lda #' ' ; Clear bottom line of screen
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bottom:
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sta SCRNBASE+$0385,x
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sta SCRNBASE+$0385,x
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inx
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inx
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cpx #SCR_LINELEN+1
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cpx #SCR_LINELEN+1
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