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86 lines
1.1 KiB
ArmAsm
86 lines
1.1 KiB
ArmAsm
;
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; Christian Groessler, Dec-2001
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;
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; int remove (const char* name);
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;
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.include "atari.inc"
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.include "errno.inc"
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.import findfreeiocb,incsp2,__do_oserror
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.import popax,__oserror,__seterrno
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.importzp tmp1
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.ifdef UCASE_FILENAME
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.importzp tmp3
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.import addysp
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.import ucase_fn
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.endif
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.export _remove
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.proc _remove
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jsr findfreeiocb
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beq iocbok ; we found one
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jsr incsp2 ; discard stack argument
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lda #<EMFILE ; "too many open files"
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ldx #>EMFILE
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seterr: jsr __seterrno
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lda #$FF
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tax
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rts ; return -1
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iocbok: ;stx tmp1 ; remember IOCB index
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txa
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pha
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jsr popax
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.ifdef UCASE_FILENAME
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jsr ucase_fn
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bcc ucok1
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lda #<EINVAL ; file name is too long
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ldx #>EINVAL
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jmp seterr
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ucok1:
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.endif ; defined UCASE_FILENAME
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;ldy tmp1
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sta tmp1
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pla
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tay
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lda tmp1
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sty tmp1
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sta ICBAL,y
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txa
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sta ICBAH,y
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ldx tmp1
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lda #DELETE
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sta ICCOM,x
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lda #0
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sta ICAX1,x
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sta ICAX2,x
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sta ICBLL,x
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sta ICBLH,x
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jsr CIOV
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.ifdef UCASE_FILENAME
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tya
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pha
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ldy tmp3 ; get size
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jsr addysp ; free used space on the stack
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pla
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tay
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.endif ; defined UCASE_FILENAME
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bmi cioerr
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ldx #0
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stx __oserror
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txa
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rts
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cioerr: jmp __do_oserror
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.endproc ; _remove
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