Table of Contents
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rBM Pep'eon_1 Compljtep' MACRO Assamblep'
Vap'elon 2.00
1-4
TESTI
---- 06/10/85
POWER ON SELF TEST
{POSTI
06-10-55
DSEG. INC - DATA SEGMENTS
280
281
282
283
284
285
0018
28.
0019
287
007A
288
OOlB
28'
001C
290
0010
291
OOlE
292
OOlF
293
294
295
2'5
297
298
299
0080
300
0082
301
302
303
304
305
305
0084
307
0085
308
0087
30'
0088
310
0089
311
008A
312
313
314
315
315
317
008B
318
OG8C
319
0080
320
008E
321
008F
322
0090
323
0091
324
0092
325
0093
325
0094
327 • 0095
328
329
330
331
332
333
0096
334
0091
335
335
337
338
33'
340
0098
341
009A
342
009C
343
009E
344
OOAO
345
345
347
348
34.
350
OOAI
351
352
353
354
355
355
357
358
00A8
35'
350
351
352
353
354
355
0100
355
357
0100
358
35'
370
olor
371
372
??
"
11
11
11
11
11
"
1111
1111
1111
"
11
11
"
"
"
"
11
11
11
11
77
77
11
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11
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07
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11
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PAGE
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,-
--- -- - - - -
----------
-
-----
-
----------
- -
c
;
TIME-OUT VARIABLES
I
e
e
e
IlIPR I NT_T 1M_OUT
DB
e
DB
C
DB
e
DB
e
ORS232_TIM_OUT
DB
e
DB
e
DB
e
DB
e
e
e
I
ADDITIONAL KEYBOARD DATA AREA
e
;
--------------- ---- ---------
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c
,
e
OBUFFER START
OW
;
e
oeUFFER:END
OW
;
e
e
,--
- - -
----------------
- -
-
-
-
-
------------
e
;
EGA/PGA DISPLAY WORK AREA
I
e
1-- - - - - - - - - --------- - - - - - - - - --- - -- - -- - - -
c
e
DROWS
DB
e
.POINTS
OW
e
tllNFO
DB
e
OINFO_3
DB
e
DB
e
DB
e
e
1----- ------------------------------- ---
e
;
ADDITIONAL MEDIA DATA
I
e
;
--------
-------------------------------
e
e
tlLASTRATE
DB
I
e
tlHF STATUS
DB
I
e
.HF-ERROR
DB
;
e
OHF-I NT FLAG
DB
;
e
OHF-CNTR'L
DB
I
e
ODSK_STATE
DB
;
e
DB
;
e
DB
;
e
DB
;
e
oaSK_TRK
DB
;
e
DB
;
c
e
;
-------------------------------
- - - -----
e
;
ADD
I
T
1
ONAL KEYBOARD FLAGS
e
c
C
OKB FLAG 3
DB
;
e
OKB:FLAG:2
DB
;
e
e
;
--
- - - -
------------- --
-
-----------------
e
;
REAL T I ME CLOCK OAT A AREA
I
e
1--- - - - - - - - - --- --- - ---- -- - - - - --- ----- - - -
e
e
OUSER FLAG
OW
;
e
tlU5ER-FLAG 5EG
OW
I
e
PRTC COW
-
OW
;
C
PRTC-HIGH
OW
1
e
PRTC:WA IT_FLAG
08
;
e
;
e
1-- - - - - - - - -- - - ------ - - - - ---- - - ------ -- --
e
;
AREA FOR NETWORK ADAPTER
:
e
1-- - - - - - - - ----- - -- -- - - - - - - - - -- - - - --- - - --
e
e
ONET
DB
7 DUP(?)
e
e
e
e
e
I
EGA/PGA PALETTE POINTER
:
e
;
--
--
---------
-
-
--
- -
----------
-
--
- - -
----
e
e
DO
;
e
e
;
e
;
--
-
--
- -
------------
- -
--
- -
-----------
- -
-
e
;
DATA AREA -
PRINT SCREEN
:
e
;
-------------
- -
------------------------
e
e
DRG
100H
;
e
e
DB
r
e
r
e
e
DATA
ENDS
I
.LIST
T
J
ME OUT COUN1ERS FOR PR I NTER RESPONSE
SECOND LOG I CAL PR I NTER ADAPTER
TH I RD LOG I CAL PR
I
NTER ADAPTER
RESERVED
T I ME OUT COUNTERS FOR RS232 RESPONSE
SECOND LOGICAL RS232 ADAPTER
RESERVED
RESERVED
BUFFER LOCATION WITHIN SEGMENT 40H
OFFSET OF KEYBOARD BUFFER START
OFFSET OF END OF BUFFER
ROWS ON THE ACTIVE SCREEN (LESS 1)
BYTES PER CHARACTER
MODE OPTIONS
FEATURE BIT SWITCHES
RESERVED FOR DI SPLAY ADAPTERS
RESERVED FOR
0 I SPLAY ADAPTERS
LAST 0 I SKETTE DATA RATE SELECTED
STATUS REGISTER
ERROR REG I S TER
F I XED
0 I SK I NTERRUPT FLAG
COMBO FIXED DISK/DISKETTE CARD BIT 0,.1
DRIVE 0 MEDIA STATE
DRIVE 1 MEDIA STATE
DRIVE
0 OPERATION START STATE
DRIVE 1 OPERATION START STATE
DRIVE
0
PRESENT CYLINOER
DR I VE I PRESENT CYL I NDER
KEYBOARD MOOE STATE AND TYPE FLAGS
KEYBOARD LED FLAGS
OFFSET ADDRESS OF USERS WA I T FLAG
SEGMENT ADDRESS OF USER WA I T FLAG
LOW WORD OF USER WA
J
T FLAG
HIGH WORD OF USER WAIT FLAG
WAIT ACTIVE FLAG 101=BUSY, 80=POSTED)
(OO=POST ACKNOWLEDGED)
RESERVED FOR NETWORK ADAPTERS
PO I NTER TO EGA PARAMETER CONTROL BLOCK
RESERVED
ADDRESS= 0040:0100
lREF 0050;0000)
PRINT SCREEN STATUS BYTE
OO=READY/OK,
OI=BUSY.
FF:;:ERROR
END OF B I OS OAT A SEGMENT
TEST 1 5-31
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