File: sysremove.s

package info (click to toggle)
cc65 2.19-2
  • links: PTS
  • area: main
  • in suites: forky, sid, trixie
  • size: 20,268 kB
  • sloc: ansic: 117,151; asm: 66,339; pascal: 4,248; makefile: 1,009; perl: 607
file content (86 lines) | stat: -rw-r--r-- 1,753 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
;
; 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