IBM XT 5160 Technical Reference page 168

;
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·
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; ADD I TI ONAL MED I A DATA
5-21
OFFSET ADDRESS OF USERS WA I T FLAG
SEGMENT ADDRESS OF USER WA I T FLAG
LOW WORD OF USER WA I T FLAG
HIGH WORD OF USER WA I T FLAG
WA I T ACT I VE FLAG (0 I =BUSY. 80=POSTED)
(OO=POST ACKNOWLEDGED)
LAST 0 I SKETTE DATA RATE SELECTED
STATUS REG I STER
ERROR REG I STER
F I XED 0 I SK I NTERRUPT FLAG
BIT 0-> PC-I IDUAL FDC ADAPTER CARD
DR I VE 0 MED I A STATE
DRIVE I MEDIA STATE
DR I VE 0 OPERATI ON START STATE
DR I VE I OPERATI ON START STATE
DR I VE 0 PRESENT CYL I NDER
DR I VE I PRESENT CYL I NDER
T I ME OUT COUNTERS 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 LOG I CAL RS232 ADAPTER
RESERVED
RESERVED
ADDRESS= 004010100 (REF 005010000)
PR I NT SCREEN STATUS BYTE
OO=READY 10K. 0 I =BUSY. FF=ERROR
; END OF B I OS OAT A SEGMENT
I RESERVED FOR NETWORK ADAPTERS
I COUNT OF DAYS FROM 1-1-80
I RESERVED
I PO I NTER TO EGA PARAMETER CONTROL BLOCK
I KEYBOARD MODE STATE AND TYPE FLAGS
I
KEYBOARD LED FLAGS
; ROWS ON THE ACT I VE SCREEN (LESS I)
; BYTES PER CHARACTER
; MODE OPT IONS
; FEATURE BIT SWITCHES
; RESERVED FOR 0 I SPLA Y ADAPTERS
; RESERVED FOR 0 I SPLA Y ADAPTERS
; BUFFER LOCAT I ON WITH I N SEGMENT 40H
; OFFSET OF KEYBOARD BUFFER START
; OFFSET OF END OF BUFFER
1-8
01-10-86
HEADER (01/10/86)
100H
7 DUP(?)
OCEH
?
ENDS
ORG
OW
ORG
DB
DB
DO
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
OW
DB
DB
DB
DB
OAT A AREA - PR I NT SCREEN
TIMER DATA
EGAIPGA PALETTE POINTER
EGA
I
PGA 0 I SPLA Y WORK AREA
DATA
.LlST
ODAY_COUNT
;
--
--------------------------------------
; ADD I T IONAL KEYBOARD FLAGS
;
---
- - - -
--- -- ---
-
--
---- -
- -- - -- ---
--
--
----
ONET
;
------ -- --- -- -
--- -- -
- -- - ---
-
-
---
-
--
--- --
AREA FOR NETWORK ADAPTER
; ·
-- -- --- ----
-
-- -- - - --- -- ---- -- -- -- - -- -- --
REAL T I ME CLOCK OAT A AREA
OUSER FLAG OW
OUSER-FLAG SEG OW
ORTC [OW - OW
ORTC-H I GH OW
ORTC-WA I T FLAG DB
ENDIF -
OKB FLAG 3
OKB::::FLAG::::2
IFE SYSTEM
OLASTRATE
OHF STATUS
OHF-ERROR
OHF-I NT FLAG
OHF-CNTRL
ODSK_STATE
OROWS
OPOINTS
OINFO
OINFO_3
·
-------
---
-
--- ----
--
----------
-
- --- --- --
; ADD I T IONAL KEYBOARD OAT A AREA
OBUFFER START OW
OBUFFER::::END OW
OPR I NT_ TIM_OUT DB
DB
DB
DB
ORS232_TIM_OUT DB
DB
DB
DB
·
----------------------------------------
; TIME-OUT VARIABLES
443
C
444
C
445
C
446
C
447
C
448
0078 11 C
449 0079
11
C
450 007A 11
C
451 007B
77
C
452 007C 77
C
453 0070
11
C
454
007E 11 C
455 007F
11
C
456
C
457
C
458
C
459 C
460 C
461
C
462 0080 1111
C
463 0082
1111
C
464
C
465 C
466 C
467
C
468
C
469 0084 11
C
470 0085 7711
C
471 0087
77· .
C
472 0088 77 C
473 0089
11
C
474
008A
11
C
475
C
476
C
477 C
478 C
479
C
480 008B 11
C
481 008C 77
C
482 0080 77 C
483 008E 77 C
484 008F 77 C
485 0090 77
C
486 0091 77
C
487 0092 77 C
488 0093 77 C
489 0094
77 C
490 0095
11
C
491
C
492 C
493 C
494 C
495
C
496 0096 11
C
497 0097
11
C
498 C
499 C
500 C
501
C
502 C
503 C
504 0098 11 C
505 009A 77 C
506
009C
11
C
507 009E 11 C
508 OOAO
11
C
509 C
510 C
511 C
512 C
513 C
514 C
515 OOAI 07
[
C
516 11 C
517 C
518 C
519 C
520 C
521 C
522 C
523 00A8 ???????? C
524 C
525 C
526 C
527 C
528 C
529 OOCE C
530 OOCE ???? C
531
C
532 C
533 C
534 C
535 C
536 C
537 0100 C
538 C
539 0100 ?? C
540 C
541 C
542
0101
C
543
544
IBM Personal Computer MACRO Assembler Version 2.00
HEADER --- 01/08/86 POWER ON SELF TEST (POST)
DSEG. INC - DATA SEGMENTS
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