IBM AT 5170 Technical Reference page 263

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IBM Personal
Comput.er MACRO Assembler
Version 2.00
1-4
TEST5 ----
06/10/85
EXCEPTION INTERRUPT TEST HANDLERS
06-10-85
324
PAGE
325
THE FOLLOWING DATA DEFINES THE PRE-INITIALIZED GOT FOR POST TESTS.
32.
THESE MUST BE
INITIALIZED
IN THE ORDER
IN WHICH THEY APPEAR
IN THE
327
GDT_DEF STRUCTURE DEFINITION AS IT [S
IN "SYSDATA.INC".
328
329
=
OlAF
GOT _DATA_START
EQU
330
331
FIRST ENTRY UNUSABLE
(UNUSED_ENTRY)
332
333
OlAF DDOD
DW
SEGMENT LIMIT
334
D 181
0000
DW
SEGMENT BASE ADDRESS -
LOW WORD
335
0183 00
DB
SEGMENT BASE ADDRESS -
HIGH BYTE
336
0184 00
DB
ACCESS RIGHTS BYTE
337
0185 0000
DW
RESERVED -
MUST BE ZERO
338
339
THE GOT ITSELF
(GOT PTR)
340
341
0lB7 0088
DW
GOT LEN
SEGMENT II MI T
342
0189 D8AD
DW
GOT-LaC
SEGMENT BASE ADDRESS -
lOW WORD
343
0188 00
DB
a
SEGMENT BASE ADDRESS -
HIGH BYTE
344
DISC 93
DB
CPLO DATA ACCESS
ACCESS RIGHTS BYTE
a
345
OIBO 0000
DW
-
RESERVED -
MUST BE ZERO
34.
347
;-----
THE SYSTEM lOT DESCRIPTOR
~SYS_IDT_PTRI
348
349
OIBF 0800
DW
SYS
[DT LEN
SEGMENT lIMIT
350
OICI
DOAD
DW
SYS-IDT-LOC
• SEGMENT BASE ADDRESS
-
lOW WORD
351
01 C3 00
DB
o
-
,
SEOMENT BASE ADDRESS
- HIGH BYTE
352
01 C4 93
DB
CPlO DATA ACCESS
;
ACCESS RIGHTS BYTE
353
OlC5 0000
DW
o
-
-
;
RESERVED -
MUST BE ZERO
354
355
THE SYSTEM DATA AREA DESCRIPTOR
-
lRSOA_PTRI
356
357
OlC7 0300
DW
SDA LEN
SEGMENT LIM I T
358
01C9 0400
DW
SDA-LOC
SEGMENT BASE ADDRESS
-
LOW WORD
359
Of CB 00
DB
o -
SEOMENT BASE ADDRESS -
HIGH BYTE
360
01 CC 93
DB
CPLO DATA ACCESS
ACCESS RIGHTS BYTE
361
OICO 0000
DW
o
-
-
RESERVED
MUST BE ZERO
362
363
CaMPA T I BlE MONOCHROME 0 I SPlA Y REGEN BUFFER
364
365
OleF
1000
DW
MCRT SIZE
SEGMENT LIMIT
366
01DI
0000
DW
MCRT. LD
SEGMENT BASE ADDRESS -
LOW WORD
367
0103 DB
DB
MCRT"'-H I
SEGMENT BASE ADDRESS
- HIGH BYTE
368
0104 93
DB
CPLO DATA ACCESS
ACCESS RIGHTS BYTE
369
0105 DODO
DW
a
-
RESERVED -
MUST BE ZERO
370
371
COMPATIBLE COLOR DISPLAY REGEN BUFFER
-
IC_CCRT_PTRI
372
373
0107 4000
DW
CCRT SIZE
SEOMENT LIMIT
374
0109 8000
DW
CCRTi" La
SEOMENT BASE ADDRESS
lOW WORD
375
0108 08
DB
CCRTtJI-HI
SEOMENT BASE ADDRESS
- HIGH BYTE
376
o
I DC 93
DB
CPlO 5ATA ACCESS
ACCESS RIGHTS BYTE
377
0100 0000
DW
o
-
-
RESERVEO -
MUST BE ZERO
378
379
ENHANCED GRAPHIC ADAPTER REGEN BUFFER
-
IE_CCRT_PRTI
380
381
OIOF FFFF
DW
ECCRT SIZE
SEGMENT LIMIT
382
o
lEI
0000
DW
ECCRTiii LO LO
SEGMENT BASE ADDRESS -
LOW WORD
383
01£3 OA
DB
ECCRTrp-LO-H I
SEGMENT BASE ADDRESS -
HIGH BYTE
384
01 E4 93
DB
CPLO DATA-ACCESS
ACCESS RIGHTS BYTE
385
01E5 0000
DW
o
-
RESERVED -
MUST BE ZERO
38.
387
;-----
SECOND PART OF EGA
-
IE CCRT_PTRZ)
388
389
01E1 FFFF
DW
ECCRT SIZE
SEGMENT liMIT
390
01E9 0000
DW
ECCRTiii HI
LO
SEGMENT BASE ADDRESS
-
LOW WORD
391
01E8 08
DB
ECCRT(!I-HI-HI
SEGMENT BASE ADDRESS -
HIGH BYTE
392
01 EC 93
DB
CPLO DATA-ACCESS
ACCESS RIGHTS BYTE
393
DIED 0000
DW
o
-
RESERVED -
MUST BE ZERO
394
395
CODE SEGMENT FOR POST CODE,
SYSTEM
lOT
39.
397
OIEF FFFF
DW
MAX SEG LEN
SEGMENT LIMIT
398
OIF]
0000
DW
CSEGtJI LD
SEGMENT BASE ADDRESS
-
lOW WORD
399
01 F3 OF
DB
CSEGtJI-H I
SEGMENT BA SE ADDRESS
HIGH BYTE
400
01 F4 98
DB
CPLO CODE ACCESS
ACCESS RIGHTS BYTE
401
01F5 0000
DW
o
-
RESERVED -
MUST BE ZERO
402
403
TEMPORARY DESCRIPTOR FOR ES
-
(ES_TEMPI
404
405
OlF7 FFFF
DW
MAX SEG LEN
SEGMENT L I foil I T
406
01F9 DODO
DW
NSEGrp LO
SEGMENT BASE ADDRESS
-
LOW WORD
407
o
IFS 00
DB
NSEGtJI-H I
SEGMENT SASE ADDRESS
HIGH BYTE
408
01 Fe 93
DB
CPlO DATA ACCESS
ACCESS RIGHTS BYTE
409
01FD 0000
DW
o
-
-
RESERVED -
MUST BE ZERO
410
411
TEMPORARY DESCRIPTOR FOR CS AS A DATA SEGMENT
-
ICS_TEMPI
412
4>3
01 FF FFFF
DW
MAX SEG LEN
SEGMENT LIMIT
414
020!
0000
DW
NSEG'" LD
SEGMENT BASE ADDRESS -
LOW WORD
415
0203 00
DB
NSEG(!I-H I
SEOMENT BASE ADDRESS
- HIGH BYTE
4: 6
0204 93
DB
CPLO DA T A ACCESS
ACCESS R I CHTS BYTE
417
0205 0000
DW
o
-
-
RESERVED -
MUST BE ZERO
418
419
TEMPORARY DESCR I PTOR FOR
(55_TEMPI
420
421
0207 FFFF
DW
MAX SEG LEN
SEGMENT LIMIT
422
0209 0000
DW
NSEGtJI L<5
SEGMENT BASE ADDRESS
-
LOW WORD
423
0208 00
DB
NSEGtJI-H[
SEGMENT BASE ADDRESS
HIGH BYTE
424
020C 93
DB
CPLO DATA ACCESS
ACCESS RIGHTS BYTE
425
0200 0000
DW
a
-
RESERVED -
MUST SE ZERO
42.
427
;-----
TEMPORARY DESCRIPTOR FOR OS
-
(OS_TEMPI
428
429
OZOF FFFF
DW
MAX SEO LEN
SEGMENT LIMIT
430
021 I
0000
DW
NSEG(!I LD
SEGMENT SASE ADDRESS -
LOW WORD
431
0213 00
DB
NSEGtJI-H I
SEGMENT BASE ADDRESS - HIGH BYTE
432
0214 93
DB
CPlO 5ATA ACCESS
ACCESS RIGHTS BYTE
-
433
0215 0000
DW
a
-
RESERVED - MUST BE ZERO
TESTS
5-91

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