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[libc] optimize _isspace
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1 file changed

+7
-14
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1 file changed

+7
-14
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src/libc/isspace.src

Lines changed: 7 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -3,21 +3,14 @@
33
section .text
44
public _isspace
55
_isspace:
6-
pop hl
76
pop de
7+
ex (sp),hl
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push de
9-
push hl
10-
or a,a
9+
ld a,l
10+
cp a,32
11+
ret z
12+
sub a,9
13+
add a,-5
1114
sbc hl,hl
12-
bit 7,e
13-
ret nz
14-
ex de,hl
15-
ld de,___maptab
16-
add hl,de
17-
ld a,(hl)
18-
and a,64
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sbc hl,hl
20-
ld l,a
15+
inc hl
2116
ret
22-
23-
extern ___maptab

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