1: / tap3 -- dec-tape lod/dmp
   2: 
   3: gettape:
   4:         mov     $dir,r1
   5:         clr     -(sp)
   6: 1:
   7:         tst     (r1)
   8:         beq     2f
   9:         jsr     r5,decode; name
  10:         cmp     rnarg,$2
  11:         ble     4f
  12:         mov     $name,r2
  13:         mov     *parg,r3
  14: 3:
  15:         tstb    (r3)
  16:         beq     3f
  17:         cmpb    (r2)+,(r3)+
  18:         beq     3b
  19:         br      2f
  20: 3:
  21:         tstb    (r2)
  22:         beq     4f
  23:         cmpb    (r2),$'/
  24:         bne     2f
  25: 4:
  26:         mov     r1,-(sp)
  27:         jsr     pc,*(r5)
  28:         mov     (sp)+,r1
  29:         inc     (sp)
  30: 2:
  31:         add     $dirsiz,r1
  32:         cmp     r1,edir
  33:         blo     1b
  34:         tst     (sp)+
  35:         bne     2f
  36:         cmp     rnarg,$2
  37:         ble     2f
  38:         mov     *parg,r1
  39:         jsr     pc,pstr
  40:         jsr     r5,mesg
  41:                 < not found\n\0>; .even
  42: 2:
  43:         dec     narg
  44:         add     $2,parg
  45:         cmp     narg,$2
  46:         bgt     gettape
  47:         tst     (r5)+
  48:         rts     r5
  49: 
  50: delete:
  51:         jsr     r5,verify; 'd
  52:                 rts pc
  53:         jsr     pc,clrent
  54:         rts     pc
  55: 
  56: numb:
  57:         mov     r1,-(sp)
  58:         mov     r0,-(sp)
  59:         clr     r0
  60:         br      1f
  61: 
  62: numbx:
  63:         mov     r1,-(sp)
  64:         mov     r0,-(sp)
  65:         movb    size0(r1),r0
  66: 1:
  67:         mov     $catlb,r2
  68: 1:
  69:         mov     $"  ,(r2)+
  70:         cmp     r2,$catlb+12.
  71:         blo     1b
  72:         cmp     (r5),$2
  73:         bne     1f
  74:         mov     $"00,-2(r2)
  75: 1:
  76:         mov     (sp)+,r1
  77:         jsr     pc,numb2
  78:         mov     (r5)+,r0
  79:         sub     r0,r2
  80:         mov     r2,0f
  81:         mov     r0,0f+2
  82:         mov     $1,r0
  83:         sys     0; 9f
  84: .data
  85: 9:
  86:         sys     write; 0:..; ..
  87: .text
  88:         mov     (sp)+,r1
  89:         rts     r5
  90: 
  91: numb1:
  92:         clr     r0
  93: numb2:
  94:         div     $10.,r0
  95:         mov     r1,-(sp)
  96:         mov     r0,r1
  97:         beq     1f
  98:         jsr     pc,numb1
  99: 1:
 100:         mov     (sp)+,r0
 101:         add     $'0,r0
 102:         movb    r0,(r2)+
 103:         rts     pc
 104: 
 105: update:
 106:         jsr     pc,bitmap
 107:         mov     $dir,r1
 108: 1:
 109:         tst     (r1)
 110:         beq     2f
 111:         bit     $100000,mode(r1)
 112:         beq     2f
 113:         tstb    size0(r1)
 114:         bne     9f
 115:         tst     size1(r1)
 116:         beq     2f
 117: 9:
 118:         mov     ndentd8,-(sp)
 119:         inc     (sp)
 120:         movb    size0(r1),r2
 121:         mov     size1(r1),r3
 122:         add     $511.,r3
 123:         adc     r2
 124:         ashc    $-9,r2
 125:         mov     r3,size
 126: 3:
 127:         mov     (sp),r2
 128:         mov     size,r3
 129: 4:
 130:         jsr     pc,bitcalc
 131:         inc     r2
 132:         bitb    (sp)+,map(r0)
 133:         bne     4f
 134:         sob     r3,4b
 135:         mov     (sp)+,tapea(r1)
 136:         jsr     pc,setmap
 137:         br      2f
 138: 4:
 139:         inc     (sp)
 140:         br      3b
 141: 2:
 142:         add     $dirsiz,r1
 143:         cmp     r1,edir
 144:         blo     1b
 145:         jsr     pc,wrdir
 146: 
 147: update1:
 148:         mov     $dir,r1
 149:         clr     -(sp)
 150:         mov     $-1,-(sp)
 151: 1:
 152:         tst     (r1)
 153:         beq     2f
 154:         bit     $100000,mode(r1)
 155:         beq     2f
 156:         cmp     tapea(r1),(sp)
 157:         bhis    2f
 158:         mov     tapea(r1),(sp)
 159:         mov     r1,2(sp)
 160: 2:
 161:         add     $dirsiz,r1
 162:         cmp     r1,edir
 163:         blo     1b
 164:         tst     (sp)+
 165:         mov     (sp)+,r1
 166:         bne     1f
 167:         rts     pc
 168: 1:
 169:         bic     $100000,mode(r1)
 170:         movb    size0(r1),mss
 171:         mov     size1(r1),r2
 172:         bne     4f
 173:         tst     mss
 174:         beq     update1
 175: 4:
 176:         jsr     r5,decode; name
 177:         mov     tapea(r1),r0
 178:         jsr     pc,wseek
 179:         clr     r3
 180:         sys     open; name; 0
 181:         bes     phserr
 182:         mov     r0,r3
 183: 3:
 184:         tst     mss
 185:         bne     4f
 186:         cmp     r2,$512.
 187:         blo     3f
 188: 4:
 189:         mov     r3,r0
 190:         sys     read; tapeb; 512.
 191:         bes     phserr
 192:         cmp     r0,$512.
 193:         bne     phserr
 194:         jsr     pc,twrite
 195:         sub     $512.,r2
 196:         sbc     mss
 197:         br      3b
 198: 3:
 199:         mov     r2,0f
 200:         beq     3f
 201:         mov     r3,r0
 202:         sys     0; 9f
 203: .data
 204: 9:
 205:         sys     read; tapeb; 0:..
 206: .text
 207:         bes     phserr
 208:         cmp     r0,0b
 209:         bne     phserr
 210:         jsr     pc,twrite
 211: 3:
 212:         mov     r3,r0
 213:         sys     read; tapeb; 512.
 214:         bes     phserr
 215:         tst     r0
 216:         bne     phserr
 217:         mov     r3,r0
 218:         sys     close
 219: 2:
 220:         jmp     update1
 221: 
 222: phserr:
 223:         mov     r1,-(sp)
 224:         mov     $name,r1
 225:         jsr     pc,pstr
 226:         jsr     r5,mesg
 227:                 < -- Phase error\n\0>; .even
 228:         mov     (sp)+,r1
 229:         clr     time0(r1) / time
 230:         beq     2b
 231:         sys     close
 232:         br      2b
 233: 
 234: bitmap:
 235:         mov     $map,r0
 236: 1:
 237:         clr     (r0)+
 238:         cmp     r0,$emap
 239:         blo     1b
 240:         mov     $dir,r1
 241: 1:
 242:         tst     (r1)
 243:         beq     2f
 244:         bit     $100000,mode(r1)
 245:         bne     2f
 246:         tst     size1(r1)
 247:         bne     3f
 248:         tstb    size0(r1)
 249:         beq     2f
 250: 3:
 251:         jsr     pc,setmap
 252: 2:
 253:         add     $dirsiz,r1
 254:         cmp     r1,edir
 255:         blo     1b
 256:         rts     pc
 257: 
 258: setmap:
 259:         movb    size0(r1),r2
 260:         mov     size1(r1),r3
 261:         add     $511.,r3
 262:         adc     r2
 263:         ashc    $-9.,r2
 264:         mov     tapea(r1),r2
 265: 1:
 266:         jsr     pc,bitcalc
 267:         bitb    (sp),map(r0)
 268:         bne     maperr
 269:         bisb    (sp)+,map(r0)
 270:         inc     r2
 271:         sob     r3,1b
 272:         rts     pc
 273: 
 274: bitcalc:
 275:         mov     (sp),-(sp)
 276:         cmp     r2,tapsiz
 277:         bhis    maperr
 278:         mov     r2,r0
 279:         bic     $!7,r0
 280:         mov     r0,-(sp)
 281:         mov     $1,r0
 282:         als     (sp)+,r0
 283:         mov     r0,2(sp)
 284:         mov     r2,r0
 285:         ash     $-3,r0
 286:         bic     $160000,r0
 287:         rts     pc
 288: 
 289: maperr:
 290:         jsr     r5,mesg
 291:                 <Tape overflow\n\0>; .even
 292:         jmp     done
 293: 
 294: usage:
 295:         jsr     pc,bitmap
 296:         mov     $dir,r2
 297: 1:
 298:         tst     (r2)
 299:         beq     2f
 300:         inc     nentr
 301: 2:
 302:         add     $dirsiz,r2
 303:         cmp     r2,edir
 304:         blo     1b
 305:         mov     ndentd8,r2
 306:         inc     r2
 307:         mov     tapsiz,r3
 308:         dec     r3
 309:         sub     ndentd8,r3
 310: 1:
 311:         jsr     pc,bitcalc
 312:         bitb    (sp)+,map(r0)
 313:         beq     2f
 314:         inc     nused
 315:         mov     r2,lused
 316:         br      3f
 317: 2:
 318:         inc     nfree
 319:         tstb    flm
 320:         bne     1f
 321: 3:
 322:         inc     r2
 323:         sob     r3,1b
 324: 1:
 325:         mov     nentr,r0
 326:         jsr     r5,numb; 4
 327:         jsr     r5,mesg
 328:                 < entries\n\0>; .even
 329:         mov     nused,r0
 330:         jsr     r5,numb; 4
 331:         jsr     r5,mesg
 332:                 < used\n\0>; .even
 333:         tstb    flm
 334:         bne     1f
 335:         mov     nfree,r0
 336:         jsr     r5,numb; 4
 337:         jsr     r5,mesg
 338:                 < free\n\0>; .even
 339: 1:
 340:         mov     lused,r0
 341:         jsr     r5,numb; 4
 342:         jsr     r5,mesg
 343:                 < last\n\0>; .even
 344:         rts     pc
 345: 
 346: taboc:
 347:         tstb    flv
 348:         beq     4f
 349:         mov     mode(r1),r0
 350:         mov     r0,-(sp)
 351:         ash     $-6,r0
 352:         bit     $40,r0
 353:         jsr     pc,pmod
 354:         mov     (sp),r0
 355:         ash     $-3,r0
 356:         bit     $200,r0
 357:         jsr     pc,pmod
 358:         mov     (sp)+,r0
 359:         bit     $1000,r0
 360:         jsr     pc,pmod
 361:         clr     r0
 362:         bisb    uid(r1),r0
 363:         jsr     r5,numb; 4
 364:         clr     r0
 365:         bisb    gid(r1),r0
 366:         jsr     r5,numb; 4
 367:         mov     tapea(r1),r0
 368:         jsr     r5,numb; 5
 369:         mov     size1(r1),r0
 370:         jsr     r5,numbx; 9.
 371:         mov     r1,-(sp)
 372:         add     $time0,(sp)
 373:         jsr     pc,_localtime
 374:         mov     r0,(sp)
 375:         mov     10.(r0),r0
 376:         jsr     r5,numb; 3
 377:         mov     $'/,r0
 378:         jsr     pc,putc
 379:         mov     (sp),r0
 380:         mov     8.(r0),r0
 381:         inc     r0
 382:         jsr     r5,numb; 2
 383:         mov     $'/,r0
 384:         jsr     pc,putc
 385:         mov     (sp),r0
 386:         mov     6(r0),r0
 387:         jsr     r5,numb; 2
 388:         mov     (sp),r0
 389:         mov     4(r0),r0
 390:         jsr     r5,numb; 3
 391:         mov     $':,r0
 392:         jsr     pc,putc
 393:         mov     (sp)+,r0
 394:         mov     2(r0),r0
 395:         jsr     r5,numb; 2
 396:         mov     $' ,r0
 397:         jsr     pc,putc
 398: 4:
 399:         mov     $name,r1
 400:         jsr     pc,pstr
 401:         jsr     r5,mesg
 402:                 <\n\0>
 403:         rts     pc
 404: 
 405: pmod:
 406:         beq     1f
 407:         mov     $'s,-(sp)
 408:         br      2f
 409: 1:
 410:         bit     $1,r0
 411:         beq     1f
 412:         mov     $'x,-(sp)
 413:         br      2f
 414: 1:
 415:         mov     $'-,-(sp)
 416: 2:
 417:         bit     $2,r0
 418:         beq     1f
 419:         mov     $'w,-(sp)
 420:         br      2f
 421: 1:
 422:         mov     $'-,-(sp)
 423: 2:
 424:         bit     $4,r0
 425:         beq     1f
 426:         mov     $'r,r0
 427:         br      2f
 428: 1:
 429:         mov     $'-,r0
 430: 2:
 431:         jsr     pc,putc
 432:         mov     (sp)+,r0
 433:         jsr     pc,putc
 434:         mov     (sp)+,r0
 435:         jsr     pc,putc
 436:         rts     pc
 437: 
 438: xtract:
 439:         movb    size0(r1),mss
 440:         bne     2f
 441:         tst     size1(r1)
 442:         beq     1f
 443: 2:
 444:         jsr     r5,verify; 'x
 445:                 rts pc
 446:         mov     size1(r1),r3
 447:         mov     tapea(r1),r0
 448:         jsr     pc,rseek
 449:         sys     unlink; name
 450:         mov     mode(r1),0f
 451:         sys     0; 9f
 452: .data
 453: 9:
 454:         sys     creat; name; 0:..
 455: .text
 456:         bes     crterr
 457:         mov     r0,r2
 458: 2:
 459:         tst     mss
 460:         bne     3f
 461:         cmp     r3,$512.
 462:         blo     2f
 463: 3:
 464:         jsr     pc,tread
 465:         mov     r2,r0
 466:         sys     write; tapeb; 512.
 467:         bes     crterr1
 468:         cmp     r0,$512.
 469:         bne     crterr1
 470:         sub     r0,r3
 471:         sbc     mss
 472:         br      2b
 473: 2:
 474:         mov     r3,0f
 475:         beq     2f
 476:         jsr     pc,tread
 477:         mov     r2,r0
 478:         sys     0; 9f
 479: .data
 480: 9:
 481:         sys     write; tapeb; 0:..
 482: .text
 483:         bes     crterr1
 484:         cmp     r0,0b
 485:         bne     crterr1
 486: 2:
 487:         mov     r2,r0
 488:         sys     close
 489:         movb    gid(r1),0f+1
 490:         movb    uid(r1),0f
 491:         sys     0; 9f
 492: .data
 493: 9:
 494:         sys     chown; name; 0:..
 495: .text
 496:         mov     time0(r1),r0
 497:         mov     r1,-(sp)
 498:         mov     time1(r1),r1
 499: /	sys	0; 9f
 500: .data
 501: 9:
 502:         sys     smdate; name
 503: .text
 504:         mov     (sp)+,r1
 505: 1:
 506:         rts     pc
 507: 
 508: crterr1:
 509:         clr     r0
 510:         mov     r1,-(sp)
 511:         clr     r1
 512: /	sys	smdate; name
 513:         mov     (sp)+,r1
 514:         mov     r2,r0
 515:         sys     close
 516: 
 517: crterr:
 518:         mov     $name,r1
 519:         jsr     pc,pstr
 520:         jsr     r5,mesg
 521:                 < -- create error\n\0>; .even
 522:         rts     pc

Defined functions

bitcalc defined in line 274; used 3 times
bitmap defined in line 234; used 2 times
crterr defined in line 517; used 1 times
crterr1 defined in line 508; used 4 times
delete defined in line 50; never used
gettape defined in line 3; used 1 times
  • in line 46
maperr defined in line 289; used 2 times
numb defined in line 56; used 12 times
numb1 defined in line 91; used 1 times
  • in line 98
numb2 defined in line 93; used 1 times
  • in line 77
numbx defined in line 62; used 1 times
phserr defined in line 222; used 7 times
pmod defined in line 405; used 3 times
setmap defined in line 258; used 2 times
taboc defined in line 346; never used
update defined in line 105; never used
update1 defined in line 147; used 2 times
usage defined in line 294; never used
xtract defined in line 438; never used
Last modified: 1975-05-14
Generated: 2016-12-26
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