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31 lines
666 B
ArmAsm
31 lines
666 B
ArmAsm
;
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; 2013-05-16, Oliver Schmidt
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; 2015-07-18, Greg King
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;
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; Helper functions for several high-level functions.
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;
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.include "errno.inc"
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; ----------------------------------------------------------------------------
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; int __fastcall__ _directerrno (unsigned char code);
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; /* Set errno to a specific error code; and, return -1. Used
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; ** by the library.
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; */
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__directerrno:
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jsr __seterrno ; Save in errno
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fail: lda #$FF ; Return -1
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tax
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ok: rts
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; ----------------------------------------------------------------------------
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;
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; extern int _errno;
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;
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.bss
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__errno:
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.word 0
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