Apple-2-SW/Penetrator-apple2
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Initialize backLayer.

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The zeropage variable backLayer was uninitialized. The program only happened to work if $0090 happened to be $00 (or $01 ?) on startup.
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Oliver Schmidt 2020-01-11 14:55:13 +01:00 committed by GitHub
parent d785b58c26
commit 8274d0252b
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src/apple2/penetrator.asm
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@ -72,6 +72,8 @@ store:
dex
bpl :-
sta backLayer ; set back layer to 0
ldx #((BitMasksEnd - BitMasks) - 1)
:
lda BitMasks, x