File: pack_eng.a65

package info (click to toggle)
xa 2.4.1-0.1
  • links: PTS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,356 kB
  • sloc: ansic: 8,585; asm: 845; makefile: 755; perl: 116; sh: 53
file content (1070 lines) | stat: -rw-r--r-- 20,118 bytes parent folder | download | duplicates (11)
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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070

#include  "c64def.def"

#define   Tout(a)   .(:lda #<a:ldy #>a:jsr Txtout:.)
#define   Aout(a)   .(:lda #<b:ldy #>b:jsr Txtout:jmp c:b .byt a,0:c .)
#define   Ibout(a)  .(:ldx a:lda #0:jsr INTOUT:.)
#define   Iout(a)   .(:ldx a:lda a+1:jsr INTOUT:.)

#define   PFADLEN   40
#define   FN_WR     3
#define   FN_RD     4
#define   XCODE     $f7
#define   Version   1

          .(
          .word $0801
          *=$0801

          .word basicend,10
          .byt $9e,"2064",0       ;sys $0810
basicend  .word 0
          .byt 0,0,0

          .(
          jsr CLRCH
          jsr iniscreen
          jsr inipar     
menu1     
          Tout(m1atxt)
          Tout(quellpfad)
          Tout(m1btxt)
          Ibout(quelldrv)
          Tout(m1ctxt)          
          Tout(zielpfad)
          Tout(m1dtxt)
          Ibout(zieldrv)
          Tout(m1etxt)          
          
next      jsr GET
          beq next

          ldx #0
l1        cmp befkeys,x
          beq exe
          inx
          cpx #Anzbefs
          bcc l1
          bcs next
          
exe       jsr exec
          jmp menu1
          
exec      txa
          asl
          tax
          lda madr+1,x
          pha
          lda madr,x
          pha
          rts
          
madr      .word pack-1,unpack-1,quelle-1,ziel-1,switch-1,dir-1,qdrv-1,zdrv-1
befkeys   .asc TC_F1,TC_F2,TC_F3,TC_F5,TC_F8,TC_F7,TC_F4,TC_F6
Anzbefs   =8
   
m1atxt    .asc TC_LCH,TC_SCO,TC_FF,TC_LF,TC_LF
          .asc "(F1) PACK PROGRAMMS",TC_CR,TC_LF
          .asc "(F2) EXTRACT FROM ARCHIVE",TC_CR,TC_LF
          .asc "(F3) SOURCEPATH/ARC:",0
m1btxt    .asc TC_CR,TC_LF
          .asc "(F4) SOURCEDEVICE:",0
m1ctxt    .asc TC_CR,TC_LF
          .asc "(F5) TARGETPATH/ARC:",0
m1dtxt    .asc TC_CR,TC_LF
          .asc "(F6) TARGETDEVICE :",0
m1etxt    .asc TC_CR,TC_LF        
          .asc "(F7) SOURCEDIRECTORY",TC_CR,TC_LF
          .asc "(F8) EXCHANGE TARGET AND SOURCE",TC_CR,TC_LF
          .asc "YOUR CHOICE PLEASE",TC_CR,0
          .)

unpack    .(
          jsr openarcrd
          bcs cls
          
          lda #0
          sta rcnt
          sta rcnt+1
          
          jsr rbyte
          cmp #Version
          bne verr
          
loop      jsr unpackfile
          bcc loop
          
          Tout(t1)
          lda rcnt+1
          ldx rcnt
          jsr INTOUT
          lda #TC_CR
          jsr BSOUT
          jsr waitkey
          
cls       lda #FN_RD
          jsr CLOSE
          rts
          
verr      Tout(verrtxt)
          jmp cls
verrtxt   .asc "UNKNOWN ARCHIVE VERSION",0

t1        .asc "ARCHIVE HAD BYTES #",0
          .)
          
unpackfile
          .(
          lda #0
          sta wcnt
          sta wcnt+1
          lda #TC_CR
          jsr BSOUT
          ldy #0
          sty P1
l1        jsr rbyte
          bcs endx
          ldy P1
          sta filetab,y
          inc P1
          cmp #0
          beq endnam
          jsr BSOUT
          jmp l1
          
endnam    Tout(ask)
          jsr waitkey
          cmp #"J"
          bne nounpack
          Tout(tok)
          lda #<-1
          sta P1+1
          jsr fxopen
          jsr Getzst
          bcs xa
          bcc lo
          
endx      jmp end
nounpack  Tout(tno)
xa        lda #0
          sta P1+1

lo        jsr rbyte
          bcs cls
          cmp #XCODE
          bne xb
          jsr rbyte
          sta wxanz
          cmp #0
          clc
          beq cls
          jsr rbyte
          sta wxbyt
          bit P1+1
          bpl lo
ly        lda wxbyt
          jsr wbyte
          dec wxanz
          bne ly
          jmp lo
          
xb        bit P1+1
          bpl lo
          jsr wbyte
          jmp lo
                                     
cls       php
          jsr wbuf
          lda #FN_WR
          jsr CLOSE
          
          Tout(t1)
          lda wcnt+1
          ldx wcnt
          jsr INTOUT
          lda #TC_CR
          jsr BSOUT
          
          plp
end       rts
          
ask       .asc TC_CR,"EXTRACT FILE (Y/N)?",0

t1        .asc "GIVES BYTES #",0
          .)
          
incwcnt   .(
          inc wcnt
          bne l1
          inc wcnt+1
l1        rts
          .)
          
fxopen    .(
          ldy #0
          sty INT
l1        lda zielpfad,y
          sta INBUF,y
          beq l2
          iny
          cmp #":"
          beq l1a
          cmp #"/"
          bne l1b
l1a       sty INT
l1b       cpy #PFADLEN
          bcc l1
          
l2        ldx INT
          ldy #0
l3        lda filetab,y
          sta INBUF,x
          inx
          iny
          cmp #0
          bne l3
          dex
          txa
          ldx #<INBUF
          ldy #>INBUF
          jsr SETFNPAR
          lda #FN_WR
          ldx zieldrv
          ldy #1
          jsr SETFPAR
          
          jsr OPEN
          bcs err
          jsr clrwrbuf
          clc
err       rts
          .)

openarcrd .(
          ldy #0
l0        lda quellpfad,y
          beq l1
          iny
          cpy #PFADLEN
          bcc l0
l1        cpy #0
          beq err
          tya
          ldx #<quellpfad
          ldy #>quellpfad
          jsr SETFNPAR
          lda #FN_RD
          ldx quelldrv
          ldy #0
          jsr SETFPAR
          jsr OPEN
          bcs err
          jsr Getqst
          bcs err
          jsr clrrdbuf
          clc
          rts
err       sec
          rts
          .)
 
pack      .(
          jsr getlist
          lda anzfiles
          beq end
          jsr openarcwr
          bcs cls

          lda #Version
          jsr wbyte
                              
          lda #0
          sta P1
l1        jsr setfadr
          sta P2
          stx P2+1
          jsr packfile
          inc P1
          lda P1
          cmp anzfiles
          bcc l1
                  
          jsr wbuf
          
cls       lda #FN_WR
          jsr CLOSE
          
          jsr Getzst
        
end       jmp LINEIN:rts
          .)
          
packfile  .(
          Tout(lft)

          ldy #0
l1        sty P1+1
          lda (P2),y
          jsr BSOUT
          jsr wbyte
          ldy P1+1
          iny
          cmp #0
          bne l1

          jsr fopen
          bcs le

          jsr clrwxbyt
l2        jsr rbyte
          bcs l3
          jsr wxbyte
          jmp l2
l3        jsr savwxbyt
          
le        lda #FN_RD
          jsr CLOSE
          
          lda #XCODE
          jsr wbyte
          lda #0
          jsr wbyte
          
          lda #TC_CR
          jsr BSOUT
          rts
              
lft       .asc TC_CR,"cOPYING ",0

          .)

fopen     .(
          ldy #0
          sty INT
l1        lda quellpfad,y
          sta INBUF,y
          beq l2
          iny
          cmp #":"
          beq l1a
          cmp #"/"
          bne l1b
l1a       sty INT
l1b       cpy #PFADLEN
          bcc l1
          
l2        ldx INT
          ldy #0
l3        lda (P2),y
          sta INBUF,x
          inx
          iny
          cmp #0
          bne l3
          dex
          txa
          ldx #<INBUF
          ldy #>INBUF
          jsr SETFNPAR
          lda #FN_RD
          ldx quelldrv
          ldy #0
          jsr SETFPAR
          
          jsr OPEN
          bcs err
          jsr clrrdbuf
          clc
err       rts
          .)

incrcnt   .(
          inc rcnt
          bne l1
          inc rcnt+1
l1        rts
          .)
          
rbyte     .(
          ldy ro
          cpy ri
          beq leerbuf
          lda rb,y
          inc ro
          clc
          rts
            
leerbuf   lda rf
          beq ldbuf
          sec
          rts
          
ldbuf     lda #0
          sta ri
          sta ro
          ldx #FN_RD
          jsr CHKIN
          lda #0
          sta STATUS

lok       jsr BASIN

     pha
     lda STATUS
     beq l0
     lda #"L"
     jsr BSOUT
     Ibout($90)
     lda #TC_CR
     jsr BSOUT
l0   pla

          jsr incrcnt
          ldy ri
          sta rb,y
          iny
          sty ri
          iny
          ;cpy ro
          beq le
          lda STATUS
          beq lok
          
le        lda STATUS
          sta rf
          jsr CLRCH
          jmp rbyte
          .)
          
clrrdbuf  .(
          lda #0
          sta ri
          sta ro
          sta rf
          rts
          .)
          
wxbyte    .(
          ldx wxanz
          beq add
          inx
          bne ad2
          pha
          jsr savwxbyt
          pla
          jmp add
          
ad2       cmp wxbyt
          beq adx
          pha
          jsr savwxbyt
          pla
add       sta wxbyt
adx       inc wxanz

          rts
          .)
          
clrwxbyt  .(
          lda #0
          sta wxanz
          rts
          .)
          
savwxbyt  .(
          lda wxanz
          beq nosav
          cmp #4
          bcs savs
          lda wxbyt
          cmp #XCODE
          beq savs

l1        lda wxbyt
          jsr wbyte
          dec wxanz
          bne l1
          rts

savs      lda #XCODE
          jsr wbyte
          lda wxanz
          jsr wbyte
          lda wxbyt
          jsr wbyte  
          lda #0
          sta wxanz
nosav     rts
          .)
       
openarcwr .(
          ldy #0
l0        lda zielpfad,y
          beq l1
          iny
          cpy #PFADLEN
          bcc l0
l1        cpy #0
          beq err
          tya
          ldx #<zielpfad
          ldy #>zielpfad
          jsr SETFNPAR
          lda #FN_WR
          ldx zieldrv
          ldy #1
          jsr SETFPAR
          jsr OPEN
          bcs err
          lda zieldrv
          jsr Getzst
          bcs err
          jsr clrwrbuf
          clc
          rts
err       sec
          rts
          .)
          
clrwrbuf  .(
          lda #0
          sta wi
          sta wo
          rts
          .)

wbyte     .(
          ldy wi
          sta wb,y
          iny
          sty wi
          iny
          cpy wo
          bne nowr
          pha
          jsr wbuf
          pla
nowr      rts
          .)
          
wbuf      .(
          ldx #FN_WR
          jsr CKOUT
          ldy wo
l1        cpy wi
          beq end
          lda wb,y
          jsr BSOUT

     lda STATUS
     beq l0
     tya
     pha
     lda #"W"
     jsr $e716
     lda $90
     ora #$40
     jsr $e716
     lda #TC_CR
     jsr $e716
     pla
     tay
l0
          jsr incwcnt
          iny
          jmp l1
end       lda #0
          sta wi
          sta wo
          jsr CLRCH
          rts
          .)
          
          .(
&Getqst   lda quelldrv
          jmp Getst
&Getzst   lda zieldrv    
&Getst    
          pha
          jsr CLRCH
          lda #TC_CR
          jsr BSOUT
          pla
          jsr TALK
          lda #15+$60
          jsr SECTALK
          lda #0
          sta STATUS
          jsr IECIN
          pha
          jsr BSOUT
          
l1        jsr IECIN
          cmp #0
          beq l2
          jsr BSOUT
          lda STATUS
          beq l1
l2        jsr UNTALK
          pla
          cmp #"0"
          bne err
          clc
          rts
err       sec
          rts
          .)
                              
/*
showlist  .(
          lda #0
          sta P1
          
l1        lda P1
          cmp anzfiles
          bcs le
          
          jsr setfadr
          lda #TC_CR
          jsr BSOUT
          lda INT
          ldy INT+1
          jsr Txtout
          inc P1
          jmp l1
le        rts
          .)
*/                  
          .(
l4x       jmp l4

&getlist  
          lda #0
          sta anzfiles
          
          lda #TC_FF
          jsr BSOUT
          
          jsr setdirnam
          jsr SENDNAM
          lda DEVADR
          jsr TALK
          lda SECADR
          jsr SECTALK
          
          lda #0
          sta STATUS
          ldy #3
l0        sty P1
l1        jsr IECIN
          sta P1+1
          ldy STATUS
          bne l4x
          jsr IECIN
          dec P1
          bne l1
          ldx P1+1
          jsr INTOUT
          lda #" "
          jsr BSOUT

la        jsr IECIN
          cmp #0
          beq l4x
          cmp #TC_REV
          bne l3x
          jmp l3
l3x       jsr BSOUT
          cmp #34
          bne la

          lda anzfiles
          jsr setfadr
          sta P2
          stx P2+1
          
          ldy #0
lb        sty P1
          jsr IECIN
          jsr BSOUT
          ldy P1
          cmp #34
          beq lc
          sta (P2),y
          iny
          cpy #17
          bcc lb
lc        lda #","
          sta (P2),y
          iny
          
ld        sty P1
          jsr IECIN
          jsr BSOUT
          ldy P1
          cmp #" "
          beq ld
          sta P1+1
          sta (P2),y
          iny
          lda #0
          sta (P2),y
/*
          lda #TC_CR
          jsr BSOUT
          lda P2+1
          ldx P2
          jsr INTOUT
          lda #":"
          jsr BSOUT
          lda P2
          ldy P2+1
          jsr Txtout
*/
lf        tax
          jsr IECIN
          jsr BSOUT
          cmp #" "
          bne lf
          cpx #"<"
          beq lg
          lda #" "
          jsr BSOUT
lg        lda #" "
          jsr BSOUT
          
          lda P1+1
          jsr testkeys

lh        jsr IECIN
          cmp #0
          bne lh
          beq l2
          
l3        jsr IECIN
          ldx STATUS
          bne l4
          tax
          beq l2
          jsr BSOUT
          jmp l3

l2        lda #TC_CR
          jsr BSOUT
          jsr GET
          beq l5
          jsr waitkey
l5        ldy #2
          beq l4
          jmp l0
l4        jsr CLSFIL
          jmp waitkey                    
          .)

testkeys  .(
          cmp #"P"
          beq ok
          cmp #"S"
          beq ok
          rts
ok        Tout(t1)
          jsr waitkey
          cmp #"J"
          beq ja
          Tout(tno)
          rts
ja        Tout(tok)
          inc anzfiles
          rts
          
t1        .asc TC_REV,"YES/NO ",TC_CRL,TC_CRL,TC_CRL
          .asc TC_CRL,TC_CRL,TC_CRL,TC_CRL,0
&tno      .asc TC_REO,"NO     ",0
&tok      .asc TC_REO,"YES    ",0
          .)
          
setfadr   .(
          ldx #0
          stx INT+1
          asl 
          rol INT+1
          asl
          rol INT+1
          sta INT
          ldx INT+1
          asl
          rol INT+1
          asl
          rol INT+1
          clc
          adc INT
          sta INT
          txa
          adc INT+1
          sta INT+1
          lda #<filetab
          clc
          adc INT
          sta INT
          pha
          lda #>filetab
          adc INT+1
          sta INT+1
          tax
          pla
          rts
          .)
          
dir       .(
          lda #TC_FF
          jsr BSOUT
          
          jsr setdirnam
          jsr SENDNAM
          lda DEVADR
          jsr TALK
          lda SECADR
          jsr SECTALK
          
          lda #0
          sta STATUS
          ldy #3
l0        sty P1
l1        jsr IECIN
          sta P1+1
          ldy STATUS
          bne l4
          jsr IECIN
          dec P1
          bne l1
          ldx P1+1
          jsr INTOUT
          lda #" "
          jsr BSOUT
l3        jsr IECIN
          ldx STATUS
          bne l4
          tax
          beq l2
          jsr BSOUT
          jmp l3
l2        lda #TC_CR
          jsr BSOUT
          jsr GET
          beq l5
          jsr waitkey
l5        ldy #2
          bne l0
l4        jsr CLSFIL
          jmp waitkey                    
          .)

waitkey   jsr GET
          beq waitkey
          rts
          
setdirnam .(
p1        =INT

          lda #"$"
          sta INBUF
          ldx #1
          stx p1
          
          ldy #0
l1        lda quellpfad,y
          beq nodp
          cmp #":"
          beq dp
          iny
          cpy #PFADLEN
          bcc l1
nodp      lda #":"
          sta INBUF,x
          inx
dp        ldy #0
dp1       lda quellpfad,y
          sta INBUF,x
          beq end
          cmp #":"
          beq l2a
          cmp #"/"
          bne l2
l2a       stx p1
l2        inx
          iny
          cpy #PFADLEN
          bcc dp1
end       ldx p1
          inx
          lda #"*"
          sta INBUF,x
          inx
          lda #"."
          sta INBUF,x
          inx
          lda #"*"
          sta INBUF,x
          inx
          txa
          ldx #<INBUF
          ldy #>INBUF
          jsr SETFNPAR
          lda #1
          ldx quelldrv
          ldy #0
          jmp SETFPAR
          .)

qdrv      .(
          inc quelldrv
          lda quelldrv
          cmp #12
          bcc ok
          lda #8
          sta quelldrv
ok        rts
          .)
          
zdrv      .(
          inc zieldrv
          lda zieldrv
          cmp #12
          bcc ok
          lda #8
          sta zieldrv
ok        rts
          .)
          
quelle    .(
          Tout(quelltxt)
          jsr LINEIN
          ldy #0
q1        lda INBUF,y
          sta quellpfad,y
          beq end
          iny
          cpy #PFADLEN-1
          bcc q1
          lda #0
          sta quellpfad,y
end       rts

quelltxt  .asc TC_CR,"PLEASE INPUT NEW SOURCEPATH/ARCHIVE:",TC_CR,0
          .)

ziel      .(
          Tout(quelltxt)
          jsr LINEIN
          ldy #0
q1        lda INBUF,y
          sta zielpfad,y
          beq end
          iny
          cpy #PFADLEN-1
          bcc q1
          lda #0
          sta zielpfad,y
end       rts

quelltxt  .asc TC_CR,"PLEASE INPUT NEW TARGETPATH/ARCHIVE:",TC_CR,0
          .)

switch    .(
          lda quelldrv
          ldx zieldrv
          stx quelldrv
          sta zieldrv
          ldx #0
l1        lda quellpfad,x
          pha
          lda zielpfad,x
          sta quellpfad,x
          pla
          sta zielpfad,x
          inx
          cpx #PFADLEN
          bcc l1
          rts
          .)
          
inipar    .(
          lda #0
          sta quellpfad
          sta zielpfad
          lda DEVADR
          cmp #8
          bcc noval
          cmp #12
          bcc ok
noval     lda #8
ok        sta quelldrv
          sta zieldrv
          rts
          .)
          
Txtout    .(
p         =$22

          sta p
          sty p+1
l1        ldy #0
          lda (p),y
          beq le
          jsr BSOUT
          inc p
          bne l1
          inc p+1
          bne l1
le        rts
          .)
          
iniscreen .(
          lda #COL_SCHWARZ
          sta VIC+VIC_EXTCOL
          sta VIC+VIC_BCKCOL0
          lda #TC_HELLGRUEN
          jsr BSOUT
          rts
          .)

sysmem    =*

quelldrv  =sysmem
zieldrv   =sysmem+1
-sysmem   +=2

quellpfad =sysmem
zielpfad  =sysmem+PFADLEN
-sysmem   +=2*PFADLEN

anzfiles  =sysmem
-sysmem   +=1

wi        =sysmem
wo        =sysmem+1
-sysmem   +=2
wb        =sysmem
-sysmem   +=256

wxbyt     =sysmem
wxanz     =sysmem+1
-sysmem   +=2

ri        =sysmem
ro        =sysmem+1
rf        =sysmem+2
-sysmem   +=3
rb        =sysmem
-sysmem   +=256

wcnt      =sysmem
-sysmem   +=2
rcnt      =sysmem
-sysmem   +=2
ecnt      =sysmem
-sysmem   +=2

filetab   =sysmem
ende      .)