Tandy 1000 Basic Reference Manual

Chapter 11 I Technical Information
OFFSET LENGTH DESCRIPTION
49
50
51
179
181
183
185
186
188
1
1
128
2
2
2
1
2
<n>
FLAGS
OUTPOS
BUFFER
VRECL
PHYREC
LOGREC
***
OUTPOS
FIELD
Internal use during LOAD/
SAVE; not used for data
files.
Output position used during
tab expansion.
Physical data buffer. Used
to transfer data between
DOS and BASIC. Use this
offset to examine data in
Sequential I/O mode.
Variable length record size.
Default is 128. Set by
length option in OPEN
statement.
Current physical record
number.
Current logical record
number.
Future use.
Disk files only. Output posi-
tion for PRINT#, INPUT#,
and WRITE#.
Actual FIELD data buffer.
Size is determined by
/S:
switch. VRECL bytes are
transferred between
BUFFER and FIELD on I/O
operations. Use this offset to
examine File data in Ran-
dom I/O mode.
360

Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200