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#include "defines.h"
#ifdef __H8300H__
.h8300h
#endif
#ifdef __H8300S__
.h8300s
#endif
.section .text
.align 2
.global _strcmp
_strcmp:
MOVP A0P,A2P
MOVP A1P,A3P
.L5:
mov.b @A2P+,A1L
beq .L3
mov.b @A3P+,A0L
cmp.b A0L,A1L
beq .L5
subs #1,A3P
.L3:
mov.b @(-1,A2P),A0L
mov.b @A3P,A1L
sub.b A1L,A0L
; We have to sign extend the result to 32bits just in case
; we are using 32bit integers.
#ifdef __H8300H__
exts.w r0
exts.l er0
#else
#ifdef __H8300S__
exts.w r0
exts.l er0
#else
bld #7,r0l
subx r0h,r0h
subx r1l,r1l
subx r1h,r1h
#endif
#endif
rts
.end
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