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Merge pull request #2 from ksherlock/toupper

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tolower/toupper should work with EOF/-1
This commit is contained in:
Stephen Heumann
2017-11-01 18:10:48 -05:00
committed by GitHub
parent 56b101a214 6ebb56af57
commit 89acbf2ced
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
sta 1,S
txa
bmi lb2
lda >__ctype+1,X branch if the character is not uppercase
and #_upper
beq lb1
@@ -506,7 +508,7 @@ tolower start
rtl
lb1 txa return the input character
rtl
lb2 rtl
end
****************************************************************
@@ -530,6 +532,8 @@ toupper start
pla
sta 1,S
txa
bmi lb2
lda >__ctype+1,X branch if the character is not lowercase
and #_lower
beq lb1
@@ -538,7 +542,7 @@ toupper start
rtl
lb1 txa return the input character
rtl
lb2 rtl
end
****************************************************************