IBM PC CONVERTIBLE

0067 ????
0069 ????
006B ??
006C ????
006E
????
0070 ??
=
0059
= 0059
= 0023
0
0002
= 0012
= 0444
= 0007
= 0018
= OOBO
0071 ??
= 0080
0072
????
= 1234
= 5678
= 9ABC
= ABCD
0074 02 [
0078
03 [
0078 ??
007C
04 [
THE FOLLOWING FOUR BYTES ARE LOADED IN THE BLANICCTR THEN SYS_OFF _CTR
BY THE RTC...ALARM INTERRUPT HANDLER. THE ORDER MUST NOT BE CHANGED
AUTO DISPLAY BLANK TIME COUNTER
DSP _BLANICCTR DW
AUTO SYSTEM OFF TIME COUNTER
SYS_OFF _CTR
INTR_FLAG
DW
DB
------ ---- - - -- - ---- - - - - - --- - - - --- - -- - - --
; TIMER DATA AREA
TIMER_LOW
TIMEILHIGH
TIMEILOFL
SEC-.MALLIMIT
MIN_MALLIMIT
HRS_MALLIMIT
GELRTCTlME
COUNTS_SEC
COUNTS_MIN
COUNTS_HOUR
COUNTS_DAY
COUNTS_DALHI
COUNTS_DA LLO
DW
DW
DB
EQU
EQU
EQU
EQU
EQU
EQU
EQU
EQU
EQU
EQU
59H
59H
23H
2
18
1092
7
1573040
18H
OBOH
-------- -- - - - - - - - - -- --- - - -- -- - - - - - - - -- --
; SYSTEM DATA AREA
BIOS_BREAK
DB
BREAICH IT
EQU
80H
RESELFLAG DW
SOFLRESET
EQU
1234H
SYS3USPEND
EQU
5678H
MFG_MEM-.MODE
EQU
9ABCH
LOOP-.MODE
EQU
OABCDH
OW 2 DUP(?)
????
TIME DSPLY BLANKED (SECS)
TIME SYSTEM IS POWERED OFF
FLAG TO SHOW AN INTERRUPT
LOW WORD OF TIMER COUNT
HIGH WORD OF TIMER COUNT
TIMER ROLLED SINCE LAST RD
MAX FOR BCD SECONDS
MAX FOR BCD MINUTES
MAX FOR BCD HOURS
TIMER COUNTS PER SECOND
TIMER COUNTS PER MINUTE
65543-10000H (65543 TOO LARGE
FOR 1 WORD, SO LOW WORD IS
USED IN CALCULATIONS)
= 1800BOH COUNTS PER DAY
HIGH BYTE OF COUNTS PER DAY
LOW BYTE OF COUNTS PER DAY
BREAK KEY FLAGS
BREAK KEY HAS BEEN HIT
SYS RESET TYPE CONTROL FLAG
RE- I PL WITHOUT STORAGE CLEAR
SYS SUCCESSFULLY SUSPENDED
MANUFACTURING MEMORY MODE
POST LOOP MODE
RESERVED
-- ---------------------- --- -- - ---- -- -- - --- - - -- -- - - - - --
; PRINTER AND RS232 TIME-OUT VARIABLES
PRINLTIrLOUT DB
??
EVENLTlM_OUT DB
RS23L TIM_OUT DB
??
3 DUP(?) ; FOR LPTI-LPT4 RESPECTIVELY
WAIT ON EXT EVNT TIMEOUT CTR
4 DUP(?) ; FOR COMI-COM4 RESPECTIVELY
2-20 ROM BIOS