27 lines
232 B
ArmAsm
27 lines
232 B
ArmAsm
TEXT strchr(SB), $0
|
|
|
|
MOVL s+0(FP), A0
|
|
MOVB c+7(FP), R2
|
|
BEQ null
|
|
|
|
l:
|
|
MOVB (A0)+, R1
|
|
BEQ out
|
|
CMPB R1, R2
|
|
BNE l
|
|
|
|
MOVL A0, R0
|
|
ADDL $-1, R0
|
|
RTS
|
|
|
|
out:
|
|
CLRL R0
|
|
RTS
|
|
|
|
null:
|
|
TSTB (A0)+
|
|
BNE null
|
|
|
|
MOVL A0, R0
|
|
ADDL $-1, R0
|
|
RTS
|