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28 lines
422 B
ArmAsm
28 lines
422 B
ArmAsm
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; Ullrich von Bassewitz, 24.06.2000
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;
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; void _maperrno(void);
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; /* Map an OS error to a system independent error code */
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;
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.export __maperrno
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.import __errno
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.import __oserror
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.import __osmaperrno
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.code
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__maperrno:
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lda __oserror ; Get the error code
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beq @L1 ; Jump if no error
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ldx #$00 ; Clear error
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stx __oserror
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jsr __osmaperrno ; Map the code
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sta __errno
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stx __errno+1
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@L1: rts
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