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37 lines
522 B
ArmAsm
37 lines
522 B
ArmAsm
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; Christian Groessler, May-2000
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;
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; int close(int fd);
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;
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.include "atari.inc"
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.export _close
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.import __do_oserror,popax,__oserror
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.import fdtoiocb_down,__inviocb
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.proc _close
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jsr popax
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jsr fdtoiocb_down ; get iocb index into X and decr. usage count
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bmi inverr
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bne ok ; not last one -> don't close yet
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; asl a
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; asl a
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; asl a
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; asl a
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; tax
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lda #CLOSE
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sta ICCOM,x
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jsr CIOV
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bpl ok
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jmp __do_oserror
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ok: ldx #0
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stx __oserror ; clear system specific error code
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txa
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rts
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inverr: jmp __inviocb
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.endproc
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