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Merge pull request #2 from ksherlock/toupper

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tolower/toupper should work with EOF/-1
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Stephen Heumann 2017-11-01 18:10:48 -05:00 committed by GitHub
commit 89acbf2ced
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1 changed files with 6 additions and 2 deletions
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8
ctype.asm
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@ -498,6 +498,8 @@ tolower start
pla pla
sta 1,S sta 1,S
txa
bmi lb2
lda >__ctype+1,X branch if the character is not uppercase lda >__ctype+1,X branch if the character is not uppercase
and #_upper and #_upper
beq lb1 beq lb1
@ -506,7 +508,7 @@ tolower start
rtl rtl
lb1 txa return the input character lb1 txa return the input character
rtl lb2 rtl
end end
**************************************************************** ****************************************************************
@ -530,6 +532,8 @@ toupper start
pla pla
sta 1,S sta 1,S
txa
bmi lb2
lda >__ctype+1,X branch if the character is not lowercase lda >__ctype+1,X branch if the character is not lowercase
and #_lower and #_lower
beq lb1 beq lb1
@ -538,7 +542,7 @@ toupper start
rtl rtl
lb1 txa return the input character lb1 txa return the input character
rtl lb2 rtl
end end
**************************************************************** ****************************************************************