6 ; Verifies and repairs MS-DOS disk directory.
10 ; 05/21/82 Added rev number
12 ; Mod by NANCYP to report on extents
13 ; Mod by AARONR to report volume ID
15 ; Total rewrite for directories
17 ; Added ^C and INT 24H handlers
19 ; INTERNATIONAL support
21 ; Mod by NANCYP to use 2.0 system calls
22 ; and accept pathnames as parameters
24 ; PRINTF incorporated into CHKDSK
25 ; Modified to run as .EXE file
27 ; Update for vers 2.5 of DOS
30 ; Split into CHKDSK2.ASM for on-machine assembly.
32 ; Allow 0F0H as a valid DOS media descriptor byte - used for non-standard
35 ;*****************************************************************************
37 ;* Change list to CHKDSK modules *
39 ;* Lines are tagged ANxxx for new, ACxxx for changed *
40 ;* --------------------------------------------------------------------------*
41 ;* 000 - DOS 4.00 Spec additions and DCR's thru unit/function test *
42 ;* Date: 8/3/87 Developer: MT *
43 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
44 ;* 001 - DOS 4.00 PTM P265 - Give 'Can't chkdsk subst drive" when running *
45 ;* hardfile. Using 1 based drive insted of 0 *
46 ;* Date: 8/17/87 Developer: Mark T. *
47 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
48 ;* 002 - DOS 4.00 PTM P251 - Hang when chkdsk default drive. Not setting up *
49 ;* drive fields correctly on default drive *
50 ;* Date: 8/14/87 Developer: Mark T. *
51 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
55 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
57 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
58 ;* 005 - DOS 4.00 DCR D166 - Enable 128k FAT *
59 ;* Date: 8/21/87 Developer: Bruce B. *
60 ;* general modifications are: reserve the rest of the program segment for the*
61 ;* stack, put the fat-table next after the end of the program seg, then *
62 ;* put the fatmap area next after the end of the fat-table. *
63 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
64 ;* 006 - DOS 4.00 ptm p097 - change calculation of total disk space *
65 ;* Date: 8/28/87 Developer: Bruce B. *
66 ;* modules - chkinit.sal, chkdsk2.sal *
67 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
68 ;* 007 - DOS 4.00 ptm p816 - files with length zero *
69 ;* Date: 8/21/87 Developer: Bruce B. *
70 ;* modules - chkproc.sal *
71 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
72 ;* 008 - DOS 4.00 ptm p872 - incorrect media size reported *
73 ;* Date: 9/10/87 Developer: Bruce B. *
74 ;* modules - chkinit.sal *
75 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
76 ;* 009 - DOS 4.00 ptm p1151- incorrect date and time *
77 ;* Date: 9/10/87 Developer: Bruce B. *
78 ;* modules - chkdsk1.sal *
79 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
80 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
81 ;* 010 - DOS 4.00 ptm p1158- incorrect disk size when disk is full *
82 ;* Date: 9/10/87 Developer: Bruce B. *
83 ;* modules - chkfat.sal *
84 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
85 ;* 011 - DOS 4.00 ptm p817 - cant check files *
86 ;* Date: 9/24/87 Developer: Bruce B. *
87 ;* modules - chkdsk1.sal *
88 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
89 ;* 012 - DOS 4.00 ptm p1223- month and day reversed *
90 ;* Date: 9/22/87 Developer: Bruce B. *
91 ;* modules - chkdsk1.sal *
92 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
93 ;* 013 - DOS 4.00 ptm p1238- not detect filesize <> number of clusters *
94 ;* Date: 9/25/87 Developer: Bruce B. *
95 ;* modules - chkproc.sal, chkdisk.sal *
96 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
97 ;* - DOS 4.00 ptm p1239- hangs when file has invalid ??? *
98 ;* Date: 9/25/87 Developer: Bruce B. *
99 ;* modules - chkproc.sal, chkdisk.sal *
100 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
101 ;* 014 - DOS 4.00 ptm p1240- not detect crosslinked files *
102 ;* Date: 9/25/87 Developer: Bruce B. *
103 ;* modules - chkproc.sal, chkfat.sal *
104 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
105 ;* - DOS 4.00 ptm p1241- hangs when trying to fix lost subdir *
106 ;* Date: 9/25/87 Developer: Bruce B. *
107 ;* modules - chkproc.sal, chkfat.sal *
108 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
109 ;* - DOS 4.00 ptm p1242- hangs when lost subdir found *
110 ;* Date: 9/25/87 Developer: Bruce B. *
111 ;* modules - chkproc.sal, chkfat.sal *
112 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
113 ;* 015 - DOS 4.00 ptm p1176 - not working for vdisk drives *
114 ;* Date: 10/1/87 Developer: Bruce B. *
115 ;* modules - chkinit.sal *
116 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
117 ;* 016 - DOS 4.00 ptm p1436 - not working for full disk with system files *
118 ;* Date: 10/2/87 Developer: Bruce B. *
119 ;* modules - chkproc.sal *
120 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
121 ;* - DOS 4.00 ptm p1437 - not working on vdisk *
122 ;* Date: 10/2/87 Developer: Bruce B. *
123 ;* modules - chkproc.sal *
124 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
125 ;* - DOS 4.00 ptm p1447 - chkdsk filenam --> invalid drive spec *
126 ;* Date: 10/2/87 Developer: Bruce B. *
127 ;* modules - chkproc.sal *
128 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
129 ;* 017 - DOS 4.00 ptm p1491 - invalid use of common msgs *
130 ;* Date: 10/5/87 Developer: Bruce B. *
131 ;* modules - chkdsk.skl chkmsg.inc *
132 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
133 ;* 018 - DOS 4.00 ptm p1507 - 'non_dos' instead of 'non-dos' *
134 ;* Date: 10/6/87 Developer: Bruce B. *
135 ;* modules - chkdsk.skl *
136 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
137 ;* 019 - DOS 4.00 ptm p1506 - '0 bytes would be freed' *
138 ;* Date: 10/6/87 Developer: Bruce B. *
140 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
141 ;* 020 - DOS 4.00 ptm p1556 - chkdsk allows 2 positional or keyword parms *
142 ;* Date: 10/8/87 Developer: Bruce B. *
143 ;* modules - chkparse.inc *
144 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
145 ;* 021 - DOS 4.00 ptm p1557 - displays invalid drive spec twice *
146 ;* Date: 10/8/87 Developer: Bruce B. *
147 ;* modules - chkinit.sal *
148 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
149 ;* 022 - DOS 4.00 ptm p1558 - divide overflow on invalid drive *
150 ;* Date: 10/8/87 Developer: Bruce B. *
151 ;* modules - chkinit.sal *
152 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
153 ;* 023 - DOS 4.00 ptm p1559 - abnormal results when int13 is bad *
154 ;* Date: 10/8/87 Developer: Bruce B. *
156 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
157 ;* 024 - DOS 4.00 ptm p1606 - no display of volume serial number *
158 ;* Date: 10/12/87 Developer: Bruce B. *
159 ;* modules - chkdsk2.sal, chkmsg.inc *
160 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
161 ;* 025 - DOS 4.00 ptm p1761 - doesnt work on zerod out cluster for dir *
162 ;* Date: 10/17/87 Developer: Bruce B. *
163 ;* modules - chkproc.sal *
164 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
165 ;* 026 - DOS 4.00 ptm p1842 - chkdsk accepts 2 filespec parms *
166 ;* Date: 10/20/87 Developer: Bruce B. *
167 ;* modules - chkinit.sal, chkparse.inc *
168 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
169 ;* 027 - DOS 4.00 ptm p2007 - test case 7 - chkdsk a: /v (invalid subdirs) *
170 ;* Date: 10/24/87 Developer: Bruce B. *
171 ;* modules - chkproc.sal *
172 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
173 ;* 028 - DOS 4.00 ptm p2029 - chkdsk cant exec for afs *
174 ;* Date: 10/26/87 Developer: Bruce B. *
175 ;* modules - chkexec.sal *
176 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
177 ;* 029 - DOS 4.00 ptm p2104 - chkdsk goes to drive a: on ctl-break *
178 ;* Date: 10/29/87 Developer: Bruce B. *
179 ;* modules - chkfat.sal *
180 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
181 ;* 030 - DOS 4.00 ptm p2323 - low memory check, correct free memory report *
182 ;* Date: 11/04/87 Developer: Bruce B. *
183 ;* modules - chkfat.sal, chkdsk2.sal *
184 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
185 ;* 031 - DOS 4.00 ptm p2495 - incorrect message for drive not ready *
186 ;* Date: 11/17/87 Developer: Bruce B. *
187 ;* modules - chkinit.sal *
188 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
189 ;* 032 - DOS 4.00 ptm p2648 - unformatted disk displays "invalid device type" *
190 ;* Date: 11/24/87 Developer: Bruce B. *
191 ;* modules - chkinit.sal *
192 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
193 ;* 033 - DOS 4.00 ptm p2781 - divide overflow on unformatted diskette *
194 ;* Date: 12/07/87 Developer: Bruce B. *
195 ;* modules - chkinit.sal *
196 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
197 ;* 034 - DOS 4.00 ptm p2975 - get psp done three times *
198 ;* Date: 12/20/87 Developer: Bruce B. *
199 ;* modules - chkinit.sal, chkdsk1.sal *
200 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
201 ;* 035 - DOS 4.00 ptm p3007 - chkdsk reports incorrect memory *
202 ;* Date: 12/28/87 Developer: Bruce B. *
203 ;* modules - chkinit.sal, chkdsk1.sal *
204 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
205 ;* 036 - DOS 4.00 ptm p3028 - include pathgen into pgm *
206 ;* Date: 01/12/88 Developer: Bruce B. *
208 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
209 ;* 037 - DOS 4.00 ptm p3129 - chkdsk fails to build *
210 ;* Date: 01/14/88 Developer: Bruce B. *
211 ;* modules - chkdisp.asm *
212 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
213 ;* 038 - DOS 4.00 ptm p3130 - remove AFS from code *
214 ;* Date: 01/14/88 Developer: Bruce B. *
215 ;* modules - chkinit.sal, chkequ.inc, chkexec.sal *
216 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
217 ;* 039 - DOS 4.00 ptm p3360 - correct addressing of ctl-break handling *
218 ;* Date: 02/05/88 Developer: Bruce B. *
219 ;* modules - chkproc2.sal *
220 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
221 ;* 040 - DOS 4.00 ptm p3573 - pathgen parser and msg ret. *
222 ;* Date: 02/19/88 Developer: Bruce B *
223 ;* modules - chkdisp.asm, chkparse.inc *
224 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
225 ;* 041 - DOS 4.00 dcr d490 - change get media id call for same as os/2 1.0 *
226 ;* Date: 02/26/88 Developer: Bruce B *
227 ;* modules - chkdata.inc, chkdsk1.sal *
228 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
229 ;* 042 - DOS 4.00 ptm p3735 - chkdsk prints files to stderr, not stdout *
230 ;* Date: 03/04/88 Developer: Bruce B *
231 ;* modules - chkmsg.inc *
232 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
233 ;* 043 - DOS 4.00 ptm p3708 - chkdsk prints wrong message for network drive *
234 ;* Date: 03/07/88 Developer: Bruce B *
235 ;* modules - chkinit.sal *
236 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
237 ;* 044 - DOS 4.00 ptm p3840 - wrong message for newtork filename *
238 ;* Date: 03/14/88 Developer: Bruce B *
239 ;* modules - chkinit.sal *
240 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
241 ;* 045 - DOS 4.00 ptm p3876 - hang when .. entry erased and /f parameter *
242 ;* Date: 03/15/88 Developer: Bruce B *
243 ;* modules - chkproc.sal, chkdsk2.sal, chkmsg.inc, chkfat.sal *
244 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
245 ;* 046 - DOS 4.00 ptm p3923?- display invalid parm names *
246 ;* Date: 03/21/88 Developer: Bruce B *
247 ;* modules - chkinit.sal, chkmsg.inc *
248 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
249 ;* 047 - private build only- display lost cluster number *
250 ;* Date: 03/24/88 Developer: Bruce B *
251 ;* modules - chkfat.sal *
252 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
253 ;* 048 - DOS 4.00 PTM p4050 - wont recover . and .. entries *
254 ;* Date: 04/12/88 Developer: Bruce B *
256 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
257 ;* 049 - DOS 4.00 PTM p4125 - chkdsk prints incorrect user file bytes *
258 ;* Date: 04/13/88 Developer: Bruce B. *
260 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
261 ;* 050 - DOS 4.00 PTM p4571 - chkdsk and mem report diff ram under Windows *
262 ;* Date: 05/02/88 Developer: Bruce B. *
263 ;* modules - chkdsk1.sal *
264 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
265 ;* 051 - DOS 4.00 PTM p4571 - chkdsk does not recover lost clusters into files*
266 ;* Date: 05/05/88 Developer: Bruce B. *
267 ;* modules - chkfat.sal *
268 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
269 ;* 052 - DOS 4.00 PTM p4869 - handle MS ramdrive.sys *
270 ;* Date: 05/16/88 Developer: Bruce B. *
271 ;* modules - chkinit.sal *
272 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
273 ;* 053 - DOS 4.00 PTM p4924 - oops! do it right this time.... *
274 ;* Date: 05/19/88 Developer: Bruce B. *
275 ;* modules - chkinit.sal *
276 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
277 ;* 054 - DOS 4.00 PTM p4957 - both chkdsk & mem do avail mem incorrectly *
278 ;* Date: 05/24/88 Developer: Bruce B. *
279 ;* modules - chkdsk1.sal *
280 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
281 ;* 055 - DOS 4.00 PTM p5007 - wont handle '\' as 2nd byte of dbcs pair *
282 ;* Date: 06/01/88 Developer: Bruce B *
283 ;* modules - chkdsk1.sal, chkinit.sal *
284 ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
286 ;*****************************************************************************
287 ;* Note: This is file CHKCHNG.INC for updating purposes *
288 ;*****************************************************************************
projects / MS-DOS.git / blob