IBM PC CONVERTIBLE

VECTOR TABLE
1EF3
0000 DW OFFSET TMRO_INT8 INTERRUPT 8 TIMER 0
1EF5 0000 DW
OFFSET KYBD_INT9
INTERftUPT 9 KEYBOARD
1EF7
1F23 OW OFFSET 011 INTERRUPT A
1EF9
1F23 OW OFFSET 011 INTERRUPT B
1EFB 1F23
OW OFFSET 011 INTERRUPT C
1EFD 1F23
DW
OFFSET
Dll INTERRUPT D
1EFF 0000 OW OFFSET DSKLINTE INTERRUPT E DISKETTE
1F01 1F23
OW OFFSET Dll
INTERRUPT F
SOFTWARE INTERRUPTS
1 F03 1065 R DW OFFSET VIDEO_IO ; INT 10H
1 F05 1840 R DW OFFSET EQUIPMENT ; INT llH
1F07 1841 R DW OFFSET MEMORLSIZE_DET ; INT 12H
1 F09 0000 E DW OFFSET DSKLIO INT 13H
1 FOB 0000 E DW OFFSET COMMO_IO I NT 14H
1FOD 0000 E DW SYS_SERVICES I NT 15H
1 FOF 0000 E OW OFFSET KYBD_IO INT 16H
1Fll 0000 E OW OFFSET PRLIO INT 17H
1F13 0000 OW OOOOOH I NT ISH (RESIDENT BASIC ST)
;DW OF6DDH ; SEGMENT (INT ISH FILLED IN
BY SYS_SETUP ROUTINE)
1Fl5 0000
OW
OFFSET SYS_BOOT
INT 19H
1Fl? 0000 OW
TOD_PROC
I NT 1AH TIME OF DAY
1F19
1F53
OW
DUMMY_RETURN
I NT 1BH KYBD BREAK AD DR
1FlB
1F53 R
OW
DUMMY _RETURN
INT 1CH
TIMER BREAK ADDR
1FlD 10M R
DW
VIDEO_PARMS
I NT 1DH
VIDEO PARAMETERS
1FlF OFC7 R
OW
OFFSET DSKLBASE I NT 1EH DSKT PARAMETERS
1F21 02C6 R DW CHAR_GEN_HI I NT 1 FH PTR TO CHAR-GEN
;ORG OFF23H
1F23
ORG OlF23H
Default Interrupt Services (DII)
IF23
1
F23 1 E
1
F24 52
IF25 50
1 F26 E8 085C
~ **********************************************************************
ROUTINE-NAME: 011
FUNCTION: THIS ROUTINE IS UNUSED INTERRUPT LEVEL HANDLER INSTALLED
BY POST FOR INTERRUPTS NOT USED BY BIOS. THIS ROUTINE RECORDS
THE OCCURRENCE OF AN INTERRUPT IN INTR_FLAG AND PERFORMS A
NON_SPECIFIC END_OF_INTERRUPT TO RESET THE INTERRUPT SERVICE.
ENTRY CONDITIONS:
PURPOSE OF ENTRY: UNUSED I NTERRUPT OCCURRED
INPUT CONDITIONS: NONE
RESTRICTIONS: NONE
EXIT CONDITIONS:
NORMAL EXIT CONDITIONS: INTRJLAG = 00-07 TO INDICATE IRPT #
INTR_FLAG = OFFH WHEN NO HARDWARE IRPT
FOUND ACTIVE
THE INTERRUPTING LEVEL WILL BE MASKED IN
THE INTERRUPT CONTROLLER IF POST IS NOT ACTIVE.
ERROR EXIT CONDITIONS: NONE
REGISTERS MODIFIED: NONE
. *********************************************************************
011 PROC NEAR
ASSUME OS: DATA
PUSH OS
PUSH OX
PUSH AX
SAVE REG AX CONTENTS
CALL DDS
2-238 ROM BIOS