1
0
mirror of https://github.com/cc65/cc65.git synced 2024-11-05 08:05:51 +00:00
cc65/libsrc/atari/sysremove.s
2013-07-24 00:41:49 +02:00

87 lines
1.7 KiB
ArmAsm

;
; Christian Groessler, Aug-2003
;
; int remove (const char* name);
;
.include "atari.inc"
.include "errno.inc"
.import findfreeiocb
.importzp tmp4
.ifdef UCASE_FILENAME
.importzp tmp3
.import addysp
.import ucase_fn
.ifdef DEFAULT_DEVICE
.importzp tmp2
.endif
.endif
.export __sysremove
.proc __sysremove
pha ; save input parameter
txa
pha
jsr findfreeiocb
beq iocbok ; we found one
pla
pla ; fix up stack
lda #TMOF ; too many open files
rts
iocbok: stx tmp4 ; remember IOCB index
pla
tax
pla ; get argument again
.ifdef UCASE_FILENAME
.ifdef DEFAULT_DEVICE
ldy #$80
sty tmp2 ; set flag for ucase_fn
.endif
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 #DELETE
sta ICCOM,x
lda #0
sta ICAX1,x
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
.endproc ; __sysremove