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Moved two errno helper functions into separate files.

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Only the function that actually is needed will be linked.  It is very useful for targets that do not have file-system I/O.
This commit is contained in:
Greg King
2015-09-25 14:06:58 -04:00
parent 9704b1d11b
commit b82bb4f5ba
4 changed files with 64 additions and 67 deletions
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libsrc/sim6502/errno.s
-30
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@@ -1,30 +0,0 @@
;
; 2013-05-16, Oliver Schmidt
; 2015-07-18, Greg King
;
; Helper functions for several high-level functions.
;
.include "errno.inc"
; ----------------------------------------------------------------------------
; int __fastcall__ _directerrno (unsigned char code);
; /* Set errno to a specific error code; and, return -1. Used
; ** by the library.
; */
__directerrno:
jsr __seterrno ; Save in errno
fail: lda #$FF ; Return -1
tax
ok: rts
; ----------------------------------------------------------------------------
;
; extern int _errno;
;
.bss
__errno:
.word 0