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cc65/libsrc/atari/sysrmdir.s

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ArmAsm
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;
; Stefan Haubenthal, 2005-12-24
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; Christian Groessler, 2013-07-16
;
; unsigned char __fastcall__ _sysrmdir (const char* name);
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;
; for SpartaDOS and MyDOS
;
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.include "atari.inc"
.export __sysrmdir
.import __sysremove
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.import __dos_type
.import findfreeiocb
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.importzp tmp4
.ifdef UCASE_FILENAME
.import ucase_fn
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.import addysp
.importzp tmp3
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.ifdef DEFAULT_DEVICE
.importzp tmp2
.endif
.endif
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.proc __sysrmdir
pha
lda __dos_type
cmp #OSADOS+1
bcc do_sparta ; OS/A and SpartaDOS
cmp #MYDOS
bne not_impl ; neither MyDOS, OS/A, nor SpartaDOS
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pla
jmp __sysremove ; MyDOS
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not_impl:
pla
lda #NVALID
rts
iocberr:
pla ; cleanup stack
pla
lda #TMOF
rts
do_sparta:
txa
pha
jsr findfreeiocb
bne iocberr ; no IOCB available
stx tmp4 ; remember IOCB
pla
tax
pla
.ifdef UCASE_FILENAME
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.ifdef DEFAULT_DEVICE
ldy #$80
sty tmp2 ; set flag for ucase_fn
.endif
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jsr ucase_fn
bcc ucok1
lda #183 ; see oserror.s
rts
ucok1:
.endif ; defined UCASE_FILENAME
ldy tmp4 ; IOCB index
sta ICBAL,y ; store pointer to filename
txa
sta ICBAH,y
tya
tax
lda #RMDIR
sta ICCOM,x
lda #0
sta ICAX1,x
lda #0
sta ICAX2,x
sta ICBLL,x
sta ICBLH,x
jsr CIOV
.ifdef UCASE_FILENAME
tya
pha
ldy tmp3 ; get size
jsr addysp ; free used space on the stack
pla
tay
.endif ; defined UCASE_FILENAME
bmi cioerr
lda #0
rts
cioerr: tya
rts
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.endproc ; __sysrmdir