HP Vectra Technical Reference Manual page 479

INTERRUPT ON 8259A INTERRUPT CONTROLLER
~~,~~K_TA8LE[8X] :g:~ ~~~~e~~O~a::~le.
SH6RT IC 10 ; De lay
Al,Cl - ;Clelr malk for moule interrupt.
21H,Al ;S.t new valul.
;Re-enabll interrupti.
;ln111al11' 1nterrupt enable register.
SUB OX ,3
MOV Al, 01
OUT OX ,AL
; SET UP COM PORT INTERRUPT VECTOR
~~ g~ :i~=~~~~~~8X]
MOV AX, 0
MOV ES ,AX
~~SW
AX. OfFSET MOUSE_INT
MOV AX ,CS
STOSW
now to let the number of button.
V lHPMOUSE h I I
;Set up for the div1de
,Return CS:IP of POlO driver funct10n.
;11 it
1nltalled in vector table
;Get tlble off.et back.
;Use 11
I I
index into interrupt vector tabl,.
;Set ES to interrupt vector .egment (0:
1.
;In111111ze vector.
;S ••
i f brutl forc. approach
11
nlel.lary,
; Eve nth, be s t
I
11 d pIa n I
0
f m
1
c. and me n 1ft
;9
0 awry. F INQUIRE paID
11
not implemented 1n
;some elrly
JOM
ver.Ionl. The POlO CS'IP mUlt be
;hlrd coded for thele Iyltem •.
: Mo v
I
I Pin toO
I .
;Oet POI(l'. OS.
;Iccount for ORO 20H
;Exchange fixed vector addrell function.
;Oelay.
;Point to intlrrupt enable righter (ba.e
+
11
;Enable Rx Data Ready interrupt
.Convert to a vector index
. S a ve
for
I
SR
E v. n
t
I
, Now to makl lure that the V_LHPMOUSE
; driver
lets
up INT 33H.
: P r 1 n t err
0
r me s sag e
;S.t OS back to prop.r value.
; P r i n
t
I
i
9 n -
0
n me
I I I
g,' .
,MS-DOS print Itring function number.
: P r in
t
I
r r
0
r mi" a g
I .
AH, F INQUIRE ENTRY
BP,
V-SINPU1 -
OS -
HP ENTRY
OS-
~~i;S~UNSUPPORTEO
CS -
ES
BX, CS:POIo_ORIVER
ES
AX
01, BX
OX ,CS
OX,
2
AH, FINS XCHOFREE
BP,
V-SYSTEM
OS -
HP ENTRY
OS-
~~tT~~o~~r~~g~OR
AX,
8X
Bl,
e
Bl
POID_VECT HUM, Al
AH, F 10 CONTROL
Al,
sr
MOUSE OVERRIDE
BP, V [HPMOUSE
OS -
HP ENTRY
DS-
INIT_OK
AX,CS
DS,AX
OX, OFFSET OK MSG
~~s~:~~~ySTR-
OX,OFFSET NO VECTOR
AH. PR INT STR-
DOS ENTRY
SHOlfT I NIT _EX I T
OUT
JMP
;ENABlE MOUSE
MeV
IN
JMP
IC_10: AND
OUT
STI
MOV
MOV
PUSH
INT
POP
CMP
JNE
PUSH
POP
LEA
INIT_3: MOV
MeV
ADD
MeV
MOV
PUSH
INT
POP
CMP
JE
MOV
MOV
DIV
MeV
MeV
MeV
MeV
PUSH
INT
POP
JMP
MeV
MOV
MeV
MOV
INT
INIT_EXIT:
PUSH
PUSH
INIT_NO_VECTOR:
MOV
MeV
INT
JMP
INIT_NO_PORT:
MOV
MeV
INT
JMP
RS-232 Mouse Driver
748 0338 EE
749
033C E8 00
750
751
752
753 033E 83 EA 03
754 0341 80 01
755 0343
EE
75e
757
758
759 0344 2E: 88 1E 0128
760 0349 2£: 88 8F 012A
761 034£ B8 0000
762 0351 8£ CO
763 0353 88 0172
764
0356 AB
765 0357 8C C8
766
0359
A8
767
768
769
770 035A 2E: 88 8F 0132 R
771 035F
£4 21
772
0361 £B 00
773 0363 22 Cl
774 0365
E8 21
775
776 0367 F8
777
778
0368 B4 OC
779 036A 80 002A
780 0360 IE
781 036£
co
eF
782 0370 IF
783 0371 80 FC 02
784 0374 75
06
785 0376 OE
786 0377 07
787
0378
80
IE 03FF R
788
789
790 037C 8B FB
791 037£ 8C CA
792 0380 83 C2 02
793
0383 B4 OA
794 0385 BO 0012
795 0388 1E
796 0389 CO 6F
797 038B IF
798 038C 80 FC
F6
799 038F 74 18
800
801 0391 8B C3
802 0393 B3 06
803 0395
Fe
F3
804 0397 2E: A2 0151 R
805
806 039B B4 04
807 0390 BO 02
808 039F BO OOCC
809 03A2 1E
810 03A3 CD
SF
811 03A5 IF
812
813 03A6 EB 13 90
814
815 03A9
816
817 03A9 BA 0103
818
03AC
B4 09
819
03AE
CD 21
820
0380
EB 14
821
822 0382
823
824
0382
8A OOCS
825 03B5 84 09
826 0387 CO 21
827
03B9
£B OB
828
829 0388
830
831 038B 8C C8
832 03BD 8E 08
833 03BF BA OOAB
834
03C2
84 09
835 03C4 CD 21
836
837 03C6
838
839 03ce 06
840 03C7 50
470 Driver Writer's Guide