1 /* #includes */ /*{{{C}}}*//*{{{*/
17 extern char **environ;
21 static struct tm *cpmtime(char lday, char hday, char hour, char min) /*{{{*/
24 unsigned long days=(lday&0xff)|((hday&0xff)<<8);
26 unsigned int md[12]={31,0,31,30,31,30,31,31,30,31,30,31};
29 tm.tm_min=((min>>4)&0xf)*10+(min&0xf);
30 tm.tm_hour=((hour>>4)&0xf)*10+(hour&0xf);
35 while (days>=(d=(((tm.tm_year%400)==0 || ((tm.tm_year%4)==0 && (tm.tm_year%100))) ? 366 : 365)))
40 md[1]=((tm.tm_year%400)==0 || ((tm.tm_year%4)==0 && (tm.tm_year%100))) ? 29 : 28;
41 while (days>=md[tm.tm_mon])
51 static void info(struct cpmSuperBlock *sb, const char *format, const char *image) /*{{{*/
56 msg="File system characteristics";
57 term_xy((term_cols()-strlen(msg))/2,0); term_printf(msg);
58 term_xy(0,2); term_printf(" Image: %s",image);
59 term_xy(0,3); term_printf(" Format: %s",format);
60 term_xy(0,4); term_printf(" File system: ");
63 case CPMFS_DR22: term_printf("CP/M 2.2"); break;
64 case CPMFS_P2DOS: term_printf("P2DOS 2.3"); break;
65 case CPMFS_DR3: term_printf("CP/M Plus"); break;
68 term_xy(0,6); term_printf(" Sector length: %d",sb->secLength);
69 term_xy(0,7); term_printf(" Number of tracks: %d",sb->tracks);
70 term_xy(0,8); term_printf(" Sectors per track: %d",sb->sectrk);
72 term_xy(0,10);term_printf(" Block size: %d",sb->blksiz);
73 term_xy(0,11);term_printf("Number of directory entries: %d",sb->maxdir);
74 term_xy(0,12);term_printf(" Number of directory blocks: %d",sb->dirblks);
75 term_xy(0,13);term_printf(" Logical sector skew: %d",sb->skew);
76 term_xy(0,14);term_printf(" Number of system tracks: %d",sb->boottrk);
77 term_xy(0,15);term_printf(" Logical extents per extent: %d",sb->extents);
78 term_xy(0,16);term_printf(" Allocatable data blocks: %d",sb->size-(sb->maxdir*32+sb->blksiz-1)/sb->blksiz);
80 msg="Any key to continue";
81 term_xy((term_cols()-strlen(msg))/2,23); term_printf(msg);
85 static void map(struct cpmSuperBlock *sb) /*{{{*/
89 int secmap,sys,directory;
94 term_xy((term_cols()-strlen(msg))/2,0); term_printf(msg);
96 secmap=(sb->tracks*sb->sectrk+80*18-1)/(80*18);
97 memset(bmap,' ',sizeof(bmap));
98 sys=sb->boottrk*sb->sectrk;
99 memset(bmap,'S',sys/secmap);
100 directory=(sb->maxdir*32+sb->secLength-1)/sb->secLength;
101 memset(bmap+sys/secmap,'D',directory/secmap);
102 memset(bmap+(sys+directory)/secmap,'.',sb->sectrk*sb->tracks/secmap);
104 for (pos=0; pos<(sb->maxdir*32+sb->secLength-1)/sb->secLength; ++pos)
108 Device_readSector(&sb->dev,sb->boottrk+pos/(sb->sectrk*sb->secLength),pos/sb->secLength,mapbuf);
109 for (entry=0; entry<sb->secLength/32 && (pos*sb->secLength/32)+entry<sb->maxdir; ++entry)
113 if (mapbuf[entry*32]>=0 && mapbuf[entry*32]<=(sb->type==CPMFS_P2DOS ? 31 : 15))
119 sector=mapbuf[entry*32+16+i]&0xff;
120 if (sb->size>256) sector|=(((mapbuf[entry*32+16+ ++i]&0xff)<<8));
121 if (sector>0 && sector<=sb->size)
123 /* not entirely correct without the last extent record count */
124 sector=sector*(sb->blksiz/sb->secLength)+sb->sectrk*sb->boottrk;
125 memset(bmap+sector/secmap,'#',sb->blksiz/(sb->secLength*secmap));
132 for (pos=0; pos<(int)sizeof(bmap); ++pos)
134 term_xy(pos/18,2+pos%18);
135 term_putch(bmap[pos]);
137 term_xy(0,21); term_printf("S=System area D=Directory area #=File data .=Free");
138 msg="Any key to continue";
139 term_xy((term_cols()-strlen(msg))/2,23); term_printf(msg);
143 static void data(struct cpmSuperBlock *sb, const char *buf, unsigned long int pos) /*{{{*/
145 int offset=(pos%sb->secLength)&~0x7f;
148 for (i=0; i<128; ++i)
150 term_xy((i&0x0f)*3+!!(i&0x8),4+(i>>4)); term_printf("%02x",buf[i+offset]&0xff);
151 if (pos%sb->secLength==i+offset) term_reverse(1);
152 term_xy(50+(i&0x0f),4+(i>>4)); term_printf("%c",isprint((unsigned char)buf[i+offset]) ? buf[i+offset] : '.');
155 term_xy(((pos&0x7f)&0x0f)*3+!!((pos&0x7f)&0x8)+1,4+((pos&0x7f)>>4));
159 const char cmd[]="fsed.cpm";
161 int main(int argc, char *argv[]) /*{{{*/
163 /* variables */ /*{{{*/
164 const char *devopts=(const char*)0;
168 struct cpmSuperBlock drive;
169 struct cpmInode root;
178 /* parse options */ /*{{{*/
179 if (!(format=getenv("CPMTOOLSFMT"))) format=FORMAT;
180 while ((c=getopt(argc,argv,"T:f:uh?"))!=EOF) switch(c)
182 case 'f': format=optarg; break;
183 case 'T': devopts=optarg; break;
184 case 'u': uppercase=1; break;
186 case '?': usage=1; break;
189 if (optind!=(argc-1)) usage=1;
190 else image=argv[optind++];
194 fprintf(stderr,"Usage: fsed.cpm [-f format] image\n");
198 /* open image */ /*{{{*/
199 if ((err=Device_open(&drive.dev,image,O_RDONLY,devopts)))
201 fprintf(stderr,"%s: cannot open %s (%s)\n",cmd,image,err);
204 if (cpmReadSuper(&drive,&root,format,uppercase)==-1)
206 fprintf(stderr,"%s: cannot read superblock (%s)\n",cmd,boo);
210 /* alloc sector buffers */ /*{{{*/
211 if ((buf=malloc(drive.secLength))==(char*)0 || (mapbuf=malloc(drive.secLength))==(char*)0)
213 fprintf(stderr,"fsed.cpm: can not allocate sector buffer (%s).\n",strerror(errno));
223 /* display position and load data */ /*{{{*/
225 term_xy(0,2); term_printf("Byte %8lu (0x%08lx) ",pos,pos);
226 if (pos<(drive.boottrk*drive.sectrk*drive.secLength))
228 term_printf("Physical sector %3lu ",((pos/drive.secLength)%drive.sectrk)+1);
232 term_printf("Sector %3lu ",((pos/drive.secLength)%drive.sectrk)+1);
233 term_printf("(physical %3d) ",drive.skewtab[(pos/drive.secLength)%drive.sectrk]+1);
235 term_printf("Offset %5lu ",pos%drive.secLength);
236 term_printf("Track %5lu",pos/(drive.secLength*drive.sectrk));
237 term_xy(0,term_lines()-3); term_printf("N)ext track P)revious track");
238 term_xy(0,term_lines()-2); term_printf("n)ext record p)revious record f)orward byte b)ackward byte");
239 term_xy(0,term_lines()-1); term_printf("i)nfo q)uit");
242 if (pos<(drive.boottrk*drive.sectrk*drive.secLength))
244 err=Device_readSector(&drive.dev,pos/(drive.secLength*drive.sectrk),(pos/drive.secLength)%drive.sectrk,buf);
248 err=Device_readSector(&drive.dev,pos/(drive.secLength*drive.sectrk),drive.skewtab[(pos/drive.secLength)%drive.sectrk],buf);
252 term_xy(0,4); term_printf("Data can not be read: %s",err);
258 if /* position before end of system area */ /*{{{*/
259 (pos<(drive.boottrk*drive.sectrk*drive.secLength))
263 msg="System area"; term_xy((term_cols()-strlen(msg))/2,0); term_printf(msg);
264 term_xy(36,term_lines()-3); term_printf("F)orward 16 byte B)ackward 16 byte");
265 if (!reload) data(&drive,buf,pos);
266 switch (ch=term_getch())
268 case 'F': /* next 16 byte */ /*{{{*/
270 if (pos+16<(drive.sectrk*drive.tracks*(off_t)drive.secLength))
272 if (pos/drive.secLength!=(pos+16)/drive.secLength) reload=1;
278 case 'B': /* previous 16 byte */ /*{{{*/
282 if (pos/drive.secLength!=(pos-16)/drive.secLength) reload=1;
291 else if /* position before end of directory area */ /*{{{*/
292 (pos<(drive.boottrk*drive.sectrk*drive.secLength+drive.maxdir*32))
295 unsigned long entrystart=(pos&~0x1f)%drive.secLength;
296 int entry=(pos-(drive.boottrk*drive.sectrk*drive.secLength))>>5;
299 msg="Directory area"; term_xy((term_cols()-strlen(msg))/2,0); term_printf(msg);
300 term_xy(36,term_lines()-3); term_printf("F)orward entry B)ackward entry");
302 term_xy(0,13); term_printf("Entry %3d: ",entry);
303 if /* free or used directory entry */ /*{{{*/
304 ((buf[entrystart]>=0 && buf[entrystart]<=(drive.type==CPMFS_P2DOS ? 31 : 15)) || buf[entrystart]==(char)0xe5)
308 if (buf[entrystart]==(char)0xe5)
310 if (offset==0) term_reverse(1);
314 else term_printf("Directory entry");
316 if (buf[entrystart]!=(char)0xe5)
318 term_printf("User: ");
319 if (offset==0) term_reverse(1);
320 term_printf("%2d",buf[entrystart]);
324 term_printf("Name: ");
327 if (offset==1+i) term_reverse(1);
328 term_printf("%c",buf[entrystart+1+i]&0x7f);
331 term_printf(" Extension: ");
334 if (offset==9+i) term_reverse(1);
335 term_printf("%c",buf[entrystart+9+i]&0x7f);
338 term_xy(0,16); term_printf("Extent: %3d",((buf[entrystart+12]&0xff)+((buf[entrystart+14]&0xff)<<5))/drive.extents);
339 term_printf(" (low: ");
340 if (offset==12) term_reverse(1);
341 term_printf("%2d",buf[entrystart+12]&0xff);
343 term_printf(", high: ");
344 if (offset==14) term_reverse(1);
345 term_printf("%2d",buf[entrystart+14]&0xff);
348 term_xy(0,17); term_printf("Last extent record count: ");
349 if (offset==15) term_reverse(1);
350 term_printf("%3d",buf[entrystart+15]&0xff);
352 term_xy(0,18); term_printf("Last record byte count: ");
353 if (offset==13) term_reverse(1);
354 term_printf("%3d",buf[entrystart+13]&0xff);
356 term_xy(0,19); term_printf("Data blocks:");
359 unsigned int block=buf[entrystart+16+i]&0xff;
363 if (offset==16+i || offset==16+i+1) term_reverse(1);
364 term_printf("%5d",block|(((buf[entrystart+16+ ++i]&0xff)<<8)));
370 if (offset==16+i) term_reverse(1);
371 term_printf("%3d",block);
377 else if /* disc label */ /*{{{*/
378 (buf[entrystart]==0x20 && drive.type==CPMFS_DR3)
384 if (offset==0) term_reverse(1);
385 term_printf("Disc label");
388 term_printf("Label: ");
391 if (i+1==offset) term_reverse(1);
392 term_printf("%c",buf[entrystart+1+i]&0x7f);
396 term_printf("Bit 0,7: ");
397 if (offset==12) term_reverse(1);
398 term_printf("Label %s",buf[entrystart+12]&1 ? "set" : "not set");
399 term_printf(", password protection %s",buf[entrystart+12]&0x80 ? "set" : "not set");
402 term_printf("Bit 4,5,6: ");
403 if (offset==12) term_reverse(1);
404 term_printf("Time stamp ");
405 if (buf[entrystart+12]&0x10) term_printf("on create, ");
406 else term_printf("not on create, ");
407 if (buf[entrystart+12]&0x20) term_printf("on modification, ");
408 else term_printf("not on modifiction, ");
409 if (buf[entrystart+12]&0x40) term_printf("on access");
410 else term_printf("not on access");
413 term_printf("Password: ");
418 if (offset==16+(7-i)) term_reverse(1);
419 printable=(buf[entrystart+16+(7-i)]^buf[entrystart+13])&0x7f;
420 term_printf("%c",isprint(printable) ? printable : ' ');
423 term_printf(" XOR value: ");
424 if (offset==13) term_reverse(1);
425 term_printf("0x%02x",buf[entrystart+13]&0xff);
428 term_printf("Created: ");
429 tm=cpmtime(buf[entrystart+24],buf[entrystart+25],buf[entrystart+26],buf[entrystart+27]);
430 if (offset==24 || offset==25) term_reverse(1);
431 strftime(s,sizeof(s),"%x",tm);
435 if (offset==26) term_reverse(1);
436 term_printf("%2d",tm->tm_hour);
439 if (offset==27) term_reverse(1);
440 term_printf("%02d",tm->tm_min);
442 term_printf(" Updated: ");
443 tm=cpmtime(buf[entrystart+28],buf[entrystart+29],buf[entrystart+30],buf[entrystart+31]);
444 if (offset==28 || offset==29) term_reverse(1);
445 strftime(s,sizeof(s),"%x",tm);
449 if (offset==30) term_reverse(1);
450 term_printf("%2d",tm->tm_hour);
453 if (offset==31) term_reverse(1);
454 term_printf("%02d",tm->tm_min);
458 else if /* time stamp */ /*{{{*/
459 (buf[entrystart]==0x21 && (drive.type==CPMFS_P2DOS || drive.type==CPMFS_DR3))
464 if (offset==0) term_reverse(1);
465 term_printf("Time stamps");
468 term_printf("3rd last extent: Created/Accessed ");
469 tm=cpmtime(buf[entrystart+1],buf[entrystart+2],buf[entrystart+3],buf[entrystart+4]);
470 if (offset==1 || offset==2) term_reverse(1);
471 strftime(s,sizeof(s),"%x",tm);
475 if (offset==3) term_reverse(1);
476 term_printf("%2d",tm->tm_hour);
479 if (offset==4) term_reverse(1);
480 term_printf("%02d",tm->tm_min);
482 term_printf(" Modified ");
483 tm=cpmtime(buf[entrystart+5],buf[entrystart+6],buf[entrystart+7],buf[entrystart+8]);
484 if (offset==5 || offset==6) term_reverse(1);
485 strftime(s,sizeof(s),"%x",tm);
489 if (offset==7) term_reverse(1);
490 term_printf("%2d",tm->tm_hour);
493 if (offset==8) term_reverse(1);
494 term_printf("%02d",tm->tm_min);
498 term_printf("2nd last extent: Created/Accessed ");
499 tm=cpmtime(buf[entrystart+11],buf[entrystart+12],buf[entrystart+13],buf[entrystart+14]);
500 if (offset==11 || offset==12) term_reverse(1);
501 strftime(s,sizeof(s),"%x",tm);
505 if (offset==13) term_reverse(1);
506 term_printf("%2d",tm->tm_hour);
509 if (offset==14) term_reverse(1);
510 term_printf("%02d",tm->tm_min);
512 term_printf(" Modified ");
513 tm=cpmtime(buf[entrystart+15],buf[entrystart+16],buf[entrystart+17],buf[entrystart+18]);
514 if (offset==15 || offset==16) term_reverse(1);
515 strftime(s,sizeof(s),"%x",tm);
519 if (offset==17) term_reverse(1);
520 term_printf("%2d",tm->tm_hour);
523 if (offset==18) term_reverse(1);
524 term_printf("%02d",tm->tm_min);
528 term_printf(" Last extent: Created/Accessed ");
529 tm=cpmtime(buf[entrystart+21],buf[entrystart+22],buf[entrystart+23],buf[entrystart+24]);
530 if (offset==21 || offset==22) term_reverse(1);
531 strftime(s,sizeof(s),"%x",tm);
535 if (offset==23) term_reverse(1);
536 term_printf("%2d",tm->tm_hour);
539 if (offset==24) term_reverse(1);
540 term_printf("%02d",tm->tm_min);
542 term_printf(" Modified ");
543 tm=cpmtime(buf[entrystart+25],buf[entrystart+26],buf[entrystart+27],buf[entrystart+28]);
544 if (offset==25 || offset==26) term_reverse(1);
545 strftime(s,sizeof(s),"%x",tm);
549 if (offset==27) term_reverse(1);
550 term_printf("%2d",tm->tm_hour);
553 if (offset==28) term_reverse(1);
554 term_printf("%02d",tm->tm_min);
558 else if /* password */ /*{{{*/
559 (buf[entrystart]>=16 && buf[entrystart]<=31 && drive.type==CPMFS_DR3)
563 if (offset==0) term_reverse(1);
564 term_printf("Password");
568 term_printf("Name: ");
571 if (offset==1+i) term_reverse(1);
572 term_printf("%c",buf[entrystart+1+i]&0x7f);
575 term_printf(" Extension: ");
578 if (offset==9+i) term_reverse(1);
579 term_printf("%c",buf[entrystart+9+i]&0x7f);
584 term_printf("Password required for: ");
585 if (offset==12) term_reverse(1);
586 if (buf[entrystart+12]&0x80) term_printf("Reading ");
587 if (buf[entrystart+12]&0x40) term_printf("Writing ");
588 if (buf[entrystart+12]&0x20) term_printf("Deleting ");
592 term_printf("Password: ");
597 if (offset==16+(7-i)) term_reverse(1);
598 printable=(buf[entrystart+16+(7-i)]^buf[entrystart+13])&0x7f;
599 term_printf("%c",isprint(printable) ? printable : ' ');
602 term_printf(" XOR value: ");
603 if (offset==13) term_reverse(1);
604 term_printf("0x%02x",buf[entrystart+13]&0xff);
608 else /* bad status */ /*{{{*/
610 term_printf("Bad status ");
611 if (offset==0) term_reverse(1);
612 term_printf("0x%02x",buf[entrystart]);
616 if (!reload) data(&drive,buf,pos);
617 switch (ch=term_getch())
619 case 'F': /* next entry */ /*{{{*/
621 if (pos+32<(drive.sectrk*drive.tracks*(off_t)drive.secLength))
623 if (pos/drive.secLength!=(pos+32)/drive.secLength) reload=1;
629 case 'B': /* previous entry */ /*{{{*/
633 if (pos/drive.secLength!=(pos-32)/drive.secLength) reload=1;
642 else /* data area */ /*{{{*/
646 msg="Data area"; term_xy((term_cols()-strlen(msg))/2,0); term_printf(msg);
647 if (!reload) data(&drive,buf,pos);
652 /* process common commands */ /*{{{*/
655 case 'n': /* next record */ /*{{{*/
657 if (pos+128<(drive.sectrk*drive.tracks*(off_t)drive.secLength))
659 if (pos/drive.secLength!=(pos+128)/drive.secLength) reload=1;
665 case 'p': /* previous record */ /*{{{*/
669 if (pos/drive.secLength!=(pos-128)/drive.secLength) reload=1;
675 case 'N': /* next track */ /*{{{*/
677 if ((pos+drive.sectrk*drive.secLength)<(drive.sectrk*drive.tracks*drive.secLength))
679 pos+=drive.sectrk*drive.secLength;
685 case 'P': /* previous track */ /*{{{*/
687 if (pos>=drive.sectrk*drive.secLength)
689 pos-=drive.sectrk*drive.secLength;
695 case 'b': /* byte back */ /*{{{*/
699 if (pos/drive.secLength!=(pos-1)/drive.secLength) reload=1;
705 case 'f': /* byte forward */ /*{{{*/
707 if (pos+1<drive.tracks*drive.sectrk*drive.secLength)
709 if (pos/drive.secLength!=(pos+1)/drive.secLength) reload=1;
715 case 'i': info(&drive,format,image); break;
716 case 'm': map(&drive); break;