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cc65/libsrc/common/_seterrno.s
cuz 8f7b91eea6 Use a subroutine to set errno to save some space.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3032 b7a2c559-68d2-44c3-8de9-860c34a00d81
2004-05-13 21:09:08 +00:00

23 lines
400 B
ArmAsm

;
; Ullrich von Bassewitz, 2004-05-13
;
; __seterrno: Will set __errno to the value in A and return zero in A. Other
; registers aren't changed. The function is C callable, but
; currently only called from asm code.
;
.include "errno.inc"
.code
.proc __seterrno
sta __errno
lda #0
sta __errno+1
rts
.endproc