Tandy 1000 Basic Reference Manual page 361

Chapter
11 I
Technical Information
OFFSET LENGTH DESCRIPTION
0
1
39
41
42
43
46
47
48
1
38
2
1
1
3
1
1
1
Mode
FCB
CURLOC
ORNOFS
NMLOFS
***
DEVICE
WIDTH
POS
The mode in which the file
was opened:
1
-
Input Only
2
-
Output Only
4 -
Random I/O
16
-
Append Only
32
-
Internal use
64
-
Future use
128
-
Internal use
Disk File Control Block.
Refer to DOS User's Guide
for contents.
Number of sectors read or
w r i t t e n for sequential ac-
cess. For random access, it
c o n t a i n s t h e l a s t record
number
+
1 read or written.
Number of bytes in sector
when read or written.
Number of bytes left in In-
put buffer.
Reserved for future
expansion.
Device number:
0-9
-
Disks A: thru J:
255
-
KYBD:
254
-
SCRN:
253
-
LPT1:
251
-
COM1:
250
-
COM2:
249
-
LF'T2: (not available)
248
-
LF'T3: (not available)
Device width.
P o s i t i o n i n buffer for
PRINT#.
359