IBM 5170 Technical Reference page 172

c
c
0012
01 C MFG_TST DB 1 DUP(?) INlTlALIZATION FLAG
C
C
C
0013 01 [
C
ow
1 DUP(? ) MEMORY SIZE IN K BYTES
C
C
C
0015 01
C DB 1 DUP(?) SCRATCHPAD FOR MANUFACTUR I NG
C
C
C
0016 01
??
C
C
DB
1 DUP(?)
ERROR CODES
C
C
C PAGE
C
C KEYBOARD DATA AREAS
C
0017
01 C
OB 1 DUP(?)
C
C
C
0018
01 C DB
1 DUP(? )
SECOND GYTE OF KEYBOARD STATUS
C
C
C
0019 01 [ C ALT_I NPUT
DB
1 DUP(? ) STORAGE FOR ALTERNATE KEYPAD ENTRY
?? C
C
C
001A 01
C
ow
1 DUP(?) POINTER TO HEAD OF KEYBOARD BUFFER
???? C
C
C
001C 01
C
ow
1
DUP(?) POINTER TO TAIL OF KEYBOARD BUFFER
C
C
C
OOlE 10
C
ow
16
DUP(? ) ROOM FOR 15 ENTR I ES
C
C
C
003E C I.ABEL
WORD
C
C IIEAD'" TAIL INDICATES THAT TIlE BUFFER IS ErWTY
C
C
C
DISKETTE DATA AREAS
C
003E 01 [
C DB
1 DUP(?) DRIVE RECALIBRATION STATUS
?? C
C
C
C
BIT 3-0
=
DR I V~ 3-0 NEEDS RECAL
C BEFORE NEXT SEEK IF BIT IS
= 0
OOH
01 [ C DB 1 DUP(?) MOTOR STATUS
C
C
C
C BIT 3-0'" DRIVE 3-0 IS CURRENTLY
C RUNN I NC
C BIT
7
= CURRENT OPERATION IS A WRITE,
C
RLQU I RlS DELAY
0040 01 C MOTOR_COUNT 00 1 DUP(?) TIME OUT COUNTER FOR DRIVE TURN OFF
C
C
C
0041 01
C
01 SK[TTE_STATUS DB
1 DUP(?) RETURN CODE STATUS BYTE
?? C
C
C
0042 C GMD_BLOCK
LABEL
BYTE
0042
C tiD ERROR LABEL BYTE
0042
07 [
C
C
NEC_STATUS DB 7 OUP(?) STATUS BYTES FROM NEC
C
C
C
C
C
PAGE
;
----
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-
-­ - -­ -
---------------------
--­
VIDEO DISPLAY DATA AREA
0049 01
C
C
6RT=~~DE--------D~------i-DUp(;1---------
CURRENT CRT MODE
C
C
C
004A
01
????
C
C
CRT_GOLS
ow
1 DUP(?) NUMBER OF COLUMNS ON SCREEN
C
C
004C 01
????
C
C
CRT _LEN
ow
1 DUP(?) LENGTH OF REGEN IN BYTES
C
C
004E 01
C
CRT_START
ow
1 DUP(?) STARTINC ADDRESS IN REGEN BUFFER
???? C
C
C
0050
08 C
ow
8 DUP(? ) CURSOR FOR EACH OF UP TO
8
PAGES
???? C
C
C
0060
01
C
ow
1 OUP(?) CURRENT CURSOR MODE SETTING
???? C
C
C
0062 01
??
C
C
DB 1 OUP(?) CURRENT PAGE BE I NC 0 I SPLAYED
C
C
0063 01
????
C
C
ow
1 OUP(?) BASE ADDRESS FOR ACT I VE 0 I SPLAY CARD
C
C
0065
01
C
C
DO 1 DUP(?) CURRENT SETl
I NG OF THE 3X8 REG I STER
C
C
0066 01
C
CRT_PALLETTE
DB 1 DUP(?)
CURfiENT PALlETTE SEn I NG COLOR CARD
C
C
C
C PAGE
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