diff options
Diffstat (limited to 'newasm/string.s')
| -rw-r--r-- | newasm/string.s | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/newasm/string.s b/newasm/string.s index c77958b..d897a98 100644 --- a/newasm/string.s +++ b/newasm/string.s @@ -28,7 +28,8 @@ putstrln: BL putstr POP {PC} -cmpstr: MOVS R4, 0 +cmpstr: PUSH {R4} + MOVS R4, 0 1: LDRB R2, [R0, R4] LDRB R3, [R1, R4] CMP R2, R3 @@ -37,4 +38,5 @@ cmpstr: MOVS R4, 0 BEQ 2f ADDS R4, 1 B 1b -2: BX LR +2: POP {R4} + BX LR |