1: / 2: / 3: 4: / roff1 -- text formatter 5: 6: .globl ttyn 7: nop = 000240 8: signal = 48. 9: 10: ibuf: /init code in ibuf+obuf 11: cmp sp,$end 12: bhi 1f 13: jsr r5,string; emes1 14: sys exit 15: 1: 16: clr r0 17: jsr pc,mesg 18: sys signal; 1; place 19: sys signal; 2; place 20: jsr pc,makebf 21: sys open; suffil; 0 22: bes 1f 23: mov r0,suff 24: sys seek; 20; 0 25: bes 1f 26: mov suff,r0 27: sys read; suftab; 2*26. 28: 1: 29: clr r0 30: mov (sp)+,argc 31: dec argc 32: bne 1f 33: jmp place 34: 1: 35: tst (sp)+ 36: mov (sp),r4 37: cmpb (r4)+,$'+ 38: bne 2f 39: jsr r5,pnum; pfrom 40: br 3f 41: 2: 42: cmpb -1(r4),$'- 43: bne 2f 44: cmpb (r4),$'s 45: bne 0f 46: inc stop 47: br 3f 48: 0: 49: cmpb (r4),$'h 50: bne 0f 51: clr slow 52: br 3f 53: 0: 54: jsr r5,pnum; pto 55: 3: 56: dec argc 57: bgt 1b 58: 2: 59: mov $nop,get1a 60: mov $ibuf,ibufp 61: mov $ibuf,eibuf 62: mov sp,argp 63: jsr pc,topbot 64: clr r0 65: 1: 66: movb r0,trtab(r0) 67: inc r0 68: cmp r0,$128. 69: bne 1b 70: jsr pc,rbreak 71: jsr pc,istop 72: jmp loop 73: makebf: 74: sys stat; bfn; stbuf 75: bec 2f 76: sys creat; bfn; 400 77: bec 1f 78: 2: 79: incb bfn+8 80: cmpb bfn+8,$'z 81: blos makebf 82: jmp place 83: 1: 84: mov r0,ibf 85: sys write; sufbuf;128. 86: sys open; bfn;0 87: mov r0,ibf1 88: rts pc 89: 90: string: 91: mov (r5)+,r1 92: mov r1,r2 93: mov r1,0f 94: 1: 95: tstb (r1)+ 96: bne 1b 97: sub r2,r1 98: mov r1,1f 99: mov $1,r0 100: sys write; 0:..; 1:.. 101: rts r5 102: 103: emes1: <Too many files.\n\0> 104: xxx: 105: .even 106: obuf=ibuf+512. 107: .=ibuf+1024. 108: loop: 109: clr nlflg 110: jsr pc,getchar 111: cmpb r0,cc 112: beq 2f 113: movb r0,ch 114: jsr pc,text 115: br loop 116: 2: 117: jsr pc,control 118: jsr pc,flushi 119: br loop 120: 121: mesg: 122: tst r0 123: bne setsame 124: jsr pc,ttyn 125: movb r0,ttyx+8. 126: sys stat; ttyx; stbuf 127: mov stbuf+4,0f 128: mov 0f,1f 129: bic $22,0f 130: sys chmod; ttyx; 0:.. 131: rts pc 132: setsame: 133: sys chmod; ttyx; 1:.. 134: rts pc 135: 136: pnum: 137: mov r4,ibufp 138: mov $37777,eibuf 139: jsr r5,number1; 0 140: mov r0,*(r5)+ 141: clr ch 142: rts r5 143: 144: flushi: 145: clr ch 146: tst nlflg 147: bne 1f 148: jsr pc,getchar 149: br flushi 150: 1: 151: rts pc 152: 153: gettchar: 154: tst ul 155: ble getchar 156: tst ulstate 157: beq 3f 158: tst bsc 159: bgt 1f 160: tst ulc 161: bgt 2f 162: clr ulstate 163: br 3f 164: 1: 165: dec bsc 166: mov $010,r0 167: rts pc 168: 2: 169: dec ulc 170: mov $'_,r0 171: rts pc 172: 3: 173: jsr pc,getchar 174: cmp r0,$'0 175: blt 1f 176: cmp r0,$'9 177: ble 2f 178: cmp r0,$'A 179: blt 1f 180: cmp r0,$'Z 181: ble 2f 182: cmp r0,$'a 183: blt 1f 184: cmp r0,$'z 185: ble 2f 186: 1: 187: tst ulc 188: bgt 3f 189: rts pc 190: 3: 191: mov $1,ulstate 192: mov r0,ch 193: br gettchar 194: 2: 195: inc bsc 196: inc ulc 197: rts pc 198: 199: getchar: 200: mov ch,r0 201: beq 1f 202: clr ch 203: rts pc 204: 1: 205: tst nlflg 206: beq 1f 207: mov $'\n,r0 208: rts pc 209: 1: 210: jsr pc,get1 211: cmp r0,$'\\ 212: bne 2f 213: jsr pc,get1 214: jsr r5,switch; esctab 215: br 3f 216: 2: 217: cmp r0,$033 /prefix 218: bne 3f 219: jsr pc,get1 220: jsr r5,switch; pfxtab 221: 3: 222: cmp r0,$'\n 223: bne 3f 224: inc nlflg 225: clr column 226: 3: 227: mov r1,-(sp) 228: jsr pc,width 229: add r1,column 230: mov (sp)+,r1 231: rts pc 232: 233: esctab: 234: .byte 'd, 032 /hlf (down) 235: .byte 'u, 035 /hlr (up) 236: .byte 'r, 036 /flr (reverse) 237: .byte 'x, 016 /SO (extra chars) 238: .byte 'y, 017 /SI (normal characters) 239: .byte 'l, 0177 /delete 240: .byte 't, 011 /hor tab 241: .byte 'a, 0100 /at sign 242: .byte 'n, 043 /number sign 243: .byte '\\, 134 /backslash 244: .byte 0, 0 245: 246: pfxtab: 247: .byte '7, 036 /flr 248: .byte '8, 035 /hlr 249: .byte '9, 032 /hlf 250: .byte '4, 030 /brs 251: .byte '3, 031 /rrs 252: .byte '1, 026 /set hor tabs 253: .byte '2, 027 /clr hor tabs 254: .byte 0,0 255: pfxtab1: 256: 257: switch: 258: mov r1,-(sp) 259: mov (r5)+,r1 260: 1: 261: cmpb (r1)+,r0 262: beq 1f 263: tstb (r1)+ 264: bne 1b 265: cmp r1,$pfxtab 266: ble 0f 267: cmp r1,$pfxtab1 268: bgt 0f 269: mov $037,r0 270: 0: 271: mov (sp)+,r1 272: rts r5 273: 1: 274: movb (r1)+,r0 275: mov (sp)+,r1 276: rts r5 277: 278: get1: 279: tst nspace 280: ble 1f 281: dec nspace 282: mov tabc,r0 283: rts pc 284: 1: 285: mov r1,-(sp) 286: 4: 287: tst ip 288: beq 5f 289: jsr pc,rbf 290: br 6f 291: 5: 292: tst nx 293: bne 0f 294: mov ibufp,r1 295: cmp r1,eibuf 296: bne 3f 297: 0: 298: mov ifile,r0 299: bne 2f 300: 1: 301: jsr pc,nextfile 302: 2: 303: clr nx 304: sys read; ibuf; 512. 305: bes done 306: tst r0 307: beq 1b 308: mov $ibuf,r1 309: add r1,r0 310: mov r0,eibuf 311: 3: 312: movb (r1)+,r0 313: mov r1,ibufp 314: 1: 315: cmp r0,$011 /tab 316: bne 6f 317: mov (sp)+,r1 318: mov $tabtab,r0 319: inc nspace 320: 1: 321: tstb (r0) 322: beq get1 323: cmpb column,(r0)+ 324: bge 1b 325: movb -(r0),nspace 326: sub column,nspace 327: br get1 328: 6: 329: get1a: br 7f 330: tst r0 331: beq 4b 332: 7: 333: mov (sp)+,r1 334: rts pc 335: 336: nextfile: 337: mov ifile,r0 338: beq 1f 339: sys close 340: 1: 341: tst nx 342: beq 2f 343: mov $nextf,0f 344: br 3f 345: 2: 346: dec argc 347: blt done 348: mov *argp,0f 349: add $2,argp 350: 3: 351: sys open; 0:..; 0 352: bes done 353: mov r0,ifile 354: rts pc 355: 356: done: 357: jsr pc,rbreak 358: jsr pc,eject 359: jsr pc,flush 360: place: 361: sys signal; 2; 1 362: mov $1,r0 363: jsr pc,mesg 364: sys unlink; bfn 365: sys exit 366: 367: rts pc 368: 369: putchar: 370: cmp pn,pfrom 371: blt 2f 372: clr pfrom 373: bic $!177,r0 374: beq 2f 375: movb trtab(r0),r0 376: cmp r0,$' 377: bne 1f 378: inc nsp 379: 2: 380: rts pc 381: 1: 382: cmp r0,$'\n 383: bne 1f 384: clr nsp 385: clr ocol 386: br 2f 387: 1: 388: tst nsp 389: beq 2f 390: tst slow 391: bne 4f 392: jsr pc,dsp 393: cmp nsp,r1 394: blt 4f 395: mov $011,3f+2 396: cmp r1,$1 397: bgt 8f 398: mov $040,3f+2 399: dec nsp 400: br 9f 401: 8: 402: sub r1,nsp 403: 9: 404: mov r0,-(sp) 405: 3: 406: mov $011,r0 407: jsr pc,pchar1 408: mov (sp)+,r0 409: br 1b 410: 4: 411: mov r0,-(sp) 412: mov $' ,r0 413: jsr pc,pchar1 414: mov (sp)+,r0 415: dec nsp 416: bne 4b 417: 2: 418: cmp r0,$026 419: blt 2f 420: cmp r0,$037 421: beq 3f 422: bgt 2f 423: mov r0,-(sp) 424: jsr r5, switch; unpfx 425: cmp (sp)+,r0 426: beq 2f 427: mov r0,-(sp) 428: mov $033,r0 /prefix 429: jsr pc,pchar1 430: dec ocol 431: mov (sp)+,r0 432: 2: 433: pchar1: 434: cmp r0,$011 435: bne 1f 436: jsr pc,dsp 437: br 2f 438: 1: 439: jsr pc,width 440: 2: 441: add r1,ocol 442: movb r0,*obufp 443: inc obufp 444: cmp obufp,$obuf+128. 445: beq flush 446: 3: 447: rts pc 448: 449: dsp: 450: clr r1 451: 1: 452: add $8.,r1 453: cmp ocol,r1 454: bgt 1b 455: sub ocol,r1 456: bne 2f 457: mov $8.,r1 458: 2: 459: rts pc 460: 461: 462: unpfx: 463: .byte 032, '9 464: .byte 035, '8 465: .byte 036, '7 466: .byte 031, '3 467: .byte 030, '4 468: .byte 026, '1 469: .byte 027, '2 470: .byte 0,0 471: 472: flush: 473: mov obufp,r0 474: sub $obuf,r0 475: mov r0,0f 476: mov $1,r0 477: sys write; obuf; 0:0 478: mov $obuf,obufp 479: rts pc 480: 481: control: 482: jsr pc,getchar 483: mov r0,-(sp) 484: jsr pc,getchar 485: swab r0 486: bis (sp),r0 487: mov $contab,r1 488: 1: 489: mov (r1)+,(sp) 490: bic $100000,(sp) 491: cmp r0,(sp) 492: bne 4f 493: mov (r1),(sp) 494: tst -(r1) 495: bpl 3f 496: jsr pc,flushi 497: cmp ilistp,$iliste 498: bgt 5f 499: mov ip,*ilistp 500: add $2,ilistp 501: mov (sp),ip 502: br 5f 503: 3: 504: jmp *(sp)+ 505: 4: 506: cmp (r1)+,$-1 507: bne 1b 508: 5: 509: tst (sp)+ 510: rts pc 511: 512: contab: 513: <ad>; casead 514: <bp>; casebp 515: <br>; casebr 516: <cc>; casecc 517: <ce>; casece 518: <ds>; caseds 519: <fi>; casefi 520: <in>; casein 521: <ix>; caseix 522: <li>; caseli 523: <ll>; casell 524: <ls>; casels 525: <na>; casena 526: <ne>; casene 527: <nf>; casenf 528: <pa>; casepa 529: <bl>; casebl 530: <pl>; casepl 531: <sk>; casesk 532: <sp>; casesp 533: <ss>; casess 534: <ta>; caseta 535: <ti>; caseti 536: <tr>; casetr 537: <ul>; caseul 538: <un>; caseun 539: <he>; casehe 540: <hx>; casehx 541: <fo>; casefo 542: <eh>; caseeh 543: <oh>; caseoh 544: <ef>; caseef 545: <of>; caseof 546: <m1>; casem1 547: <m2>; casem2 548: <m3>; casem3 549: <m4>; casem4 550: <hc>; casehc 551: <hy>; casehy 552: <n1>; casen1 553: <n2>; casen2 554: <nn>; casenn 555: <ni>; caseni 556: <jo>; casejo 557: <ar>; casear 558: <ro>; casero 559: <nx>; casenx 560: <po>; casepo 561: <de>; casede 562: <ig>; caseig 563: <tc>; casetc 564: <mk>; casemk 565: bnames: .=.+100. 566: -1; -1
Defined functions
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Last modified: 1975-07-17
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