Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
Tandy Manuals
Desktop
1000 HX
Technical reference manual
Tandy 1000 HX Technical Reference Manual page 416
Hide thumbs
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
page
of
426
Go
/
426
Contents
Table of Contents
Bookmarks
Table of Contents
Advertisement
Scan
Code
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
55
56
57
58
59
5A
Keyboard
Legend
B
N
M
,
<
>
/
?
SHIFT
PRINT
ALT
space bar
CAPS
F l
F2
F3
F4
F5
F6
F7
F8
F9
F10
NUM LOCK
HOLD
7
\
8
9
P G U P
DOWN ARROW
4
5
6
RIGHT ARROW
1
END
2
3
PGDN
0
DELETE
BREAK
+
INSERT
ENTER
HOME
F l l
F12
Normal
62
6E
6D
2C
2E
2F
*
10
*
20
*
x3B
x3C
x3D
x3E
x3F
x40
x41
x42
x43
x44
*
37
38
39
x50
34
35
36
x4D
31
32
33
30
2D
x00
2B
2E
0D
x47
x98
x99
ASCII
Code
SHIFT
42
4E
4D
3C
3E
3F
*
*
*
20
*
x54
x55
x56
x57
x58
x59
x5A
x5B
x5C
x50
*
*
5C
7E
x49
x86
7C
xF3
xF4
x88
x4F
60
x51
x9B
x53
X00
x52
xAl
0D
x4A
xA2
xA3
CTRL
02
0E
0D
xF9
xFA
xFB
*
x72
*
20
*
x5E
x5F
x60
x61
x62
x63
x64
x65
x66
x67
*
x93
x94
x84
x96
x95
xFC
xFD
x74
x75
x9A
x76
x9C
x9D
#
x9F
xA4
0A
x77
xAC
xAD
ALT
x30
x31
x32
x89
X8A
xF2
*
x46
*
20
x68
x69
x6A
x6B
x6C
x6D
x6E
x6F
x70
x71
*
*
*
*
*
x97
*
*
xEA
*
*
*
*
x9E
*
xA0
xA5
x8F
xA6
xB6
xB7
As of Oct. 22 1984
Remarks
Right SHIFT
SCR Print Toggle
Alternate Mode
Caps lock
number lock
Freeze display
scroll lock bit
toggle control
brk routine
(INT 1BH)
Numeric keypad
Numeric keypad
26
Table of
Contents
Previous
Page
Next
Page
1
...
415
416
417
418
Show Quick Links
Quick Links:
Table of Contents
General Description
Functional Pin out
Physical Dimensions
Configuration
Hide quick links:
Permanently
Temporary
Cancel
Advertisement
Chapters
Table of Contents
316
Table of Contents
366
Table of Contents
Related Manuals for Tandy 1000 HX
Desktop Tandy 1000 TL3 User Manual
(63 pages)
Desktop Tandy 1000 Technical Reference Manual
(497 pages)
Desktop Tandy 1000 MS-DOS Reference Manual
(392 pages)
Desktop Tandy 1000 Programmer's Reference Manual
(251 pages)
Desktop Tandy 1000 User Manual
(337 pages)
Desktop Tandy 1000 Basic Reference Manual
(411 pages)
Desktop Tandy 102 Technical Reference Manual
(82 pages)
Desktop Tandy 102 Owner's Manual
(152 pages)
Desktop Tandy 1000 SL Technical Reference Manual
(588 pages)
Desktop Tandy 1000SX Technical Service Data
(76 pages)
Desktop Tandy 1200 HD User Manual
(171 pages)
Desktop Tandy Tandy 600 Owner's Manual
(307 pages)
Desktop Tandy 6000 Service Manual
(416 pages)
Desktop Tandy Color Computer 3 User Manual
(49 pages)
Desktop Tandy Color Computer 3 Basic Quick Reference Manual
(18 pages)
Desktop Tandy WP-2 Service Manual
Portable wordprocessor (138 pages)
Related Products for Tandy 1000 HX
Tandy 1000 TL3
Tandy 1000 MS-DOS
Tandy 1000 SL
Tandy 1000SX
Tandy 102
Tandy 1200 HD
Tandy 1110 HD
Tandy 1400LT
Tandy 1500HD
Tandy 2000
Tandy 26-3334
Tandy 600
Tandy 6000 HD
Tandy Color Computer 3 Basic
TANDY Color Computer 3 TRS-80
Tandy color computer 8 basic
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL