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Address review comments

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- removed typo from comment
- removed redundant AND instruction
This commit is contained in:
Stephan Mühlstrasser
2019-09-17 20:03:51 +02:00
committed by greg-king5
parent 668273cdf5
commit 7547c4c77c
2 changed files with 2 additions and 3 deletions
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libsrc/osic1p/kbhit.s
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@@ -72,7 +72,7 @@ LFD1F: jsr LFE86 ; Shift to find bit that is set (in Y)
lsr a ; Shift out bit zero (only key there is <SHIFT LOCK>)
asl a ; And shift back
jsr LFE86 ; Shift to find bit that is set (in Y)
beq LFD47 ; Branch if no keys pressed STM: IS THIS CORRECT?
beq LFD47 ; Branch if no keys pressed
lda #$00
LFD3A: sta CTRLSHIFT ; Save state of <CTRL> and shift keys
LFD3D: sta LASTSCAN
@@ -106,7 +106,6 @@ LFD68: stx DBNCCNT
jsr LFCBE ; Write keyboard row
jsr LFCCF ; Read keyboard column
sta KBDTMP
and #$01
tax
lda KBDTMP
and #$06