IBM PC CONVERTIBLE Technical Reference page 84

OA72 AC
OA73 24 SO
OA75 SA OS
DAn E4 7C
OA79 24 7F
OA7S OA C3
OA7D E6 7C
OA7F AC
OASO E6 AD
OAS2 AC
OAS3 E6 61
OAS5 E4 7F
OAS7 AS 40
OAS9 75 13
OASB B4 17
OASD ES 0747
OA90 AS 02
OA92 75 OA
OA94 B3 02
OA96 2A FF
OA9S ES 0000 E
OA9B EB 09 90
OA9E
OA9E B4 10
OAAO ES 0747 R
OAA3 ES 0000
OAA6
OAA6 2A DB
OAAS ES 0 B04 R
OAAB BS ----
OAAE SE OS
OABO 5S
OABl 24 BF
OAB3 E6 75
OAB5 AS OS
OAB7 74 04
OAB9 DC 60
OABB E6 75
OABD
LODSB
AND
MOV
IN
AND
OR
OUT
AL,ENJYBD_NMI
BL,AL
AL, KYBD_CNTL
AL, NOT EN_KYBD_NMI
AL, BL
KYBD_CNTL,AL
RESTORE
110
CHANNEL CHECK FLAG
LODSB
OUT 10NMLCNTL,AL
RETRIEVE FEATURE CONTROL
LEAVE ONLY KEYBOARD STATE
SAVE IN BL
MASK CURRENT NMI STATE
RESTORE KEYBOARD NMI STATE
OUTPUT FEATURE CONTROL
RESTORE NMI AND SPEAKER CONTROL REGISTER
LODSB
OUT NMLCNTL, AL
RESTORE POWER ENABLE TO MODEM
IN
TEST
JNZ
AL,PWR_STAT
AL,EXLPWR
RES_009
GET CURRENT POWER STATUS
ON EXTERNAL POWER?
JUMP I F ON EXTERNAL POWER
CURRENTLY ON BATTERY POWER SO CHECK USER PROFILE FOR MODEM OPTIONS
MOV
CALL
TEST
JNZ
AH, RTCSYS_PROFI
GELRTCNMI
AL,MODEM_BATT
RES_009
; OPERATE COMI ON BATTERY?
; YES THEN JUMP
ON BATTERY POWER AND MODEM PROFILE INDICATES NO BATTERY OPERATION
MOV
SUB
CALL
JMP
BL,ACLMODEM
BH,BH
COM_POWER
RES_OlD
SPECI FY MODEM OFF
I NO I CATE POWER OFF REQUEST
TURN OFF PRIMARY COM POWER
SKI P MODEM _CONFIG
MODEM IS POWERED ON SO RESUME CONFIGURATION
RES_009 :
MOV
CALL
CALL
AH, RTCMOD_PROFI
GELRTCNMI
MODE~CONFIG
GET MODEM PROFILE
GO SETUP MODEM CONFIGURATION
RESTORE COMMUNICATION CONTROLLERS STATE AT POWER OFF TIME
RES_OlD :
SUB BL,BL
CALL ASYNCSUSP END
TURN OFF FONT ACCESS AND ENABLE PANEL
MOV
MOV
POP
AND
OUT
TEST
JZ
AX,DATA
DS,AX
AX
AL,NOT PANEL_ENABLE
LCD_DATA,AL
AL,LCD_ENAB
RESOlDA
ENABLE PANEL I F LCD WAS ENABLED
SET RESUME CODE FOR RESTORING
OF COMMUNICATION STATE
SET DATA SEGMENT ADDRESS
RETRIEVE VIDEO FLAGS
FORCE PANEL OFF
RESTORE LCD CONTROL
CHECK FOR LCD ENABLED
ONLY ENABLE PANEL I F LCD ENABLED
OR
OUT
AL,SYNCENABLE+PANELENABLE ENABLE PANEL
LCD_DATA,AL
RESTORE ACTIVE VIDEO MODE CONTROL REGISTER
RESOIOA:
OABD SB 16 0063 R
MOV
ADD
MOV
OUT
DX,ADDIL6S45
DX,4
OACl S3 C2 04
OAC4 SA C4
OAC6 EE
AL,AH
DX,AL
GET RESTORE VIDEO MODE
RESTORE VIDEO MODE
ROM BIOS 2-59