HP Vectra Technical Reference Manual page 475

RS-232 Mouse Driver
0141 87
LAST_SVNCH DB 87H
;Copy of last
lynch byte.
0142 OE [
HPHIL_TABLE D8 14 DUP ( 0)
;HP-HIL configuration table.
00
0150
00
HPHIL ADD DB 0
; HP-HI L 'Iddre .. '
of mouse.
0151 00
PGID_VECT NUM DB 0
: HP _ VECTOR_ TABLE ..,ec tor Idd resl of PGIO.
;JUMP TABLE FOR MS-DOS bRIVER COMMANDS
0152 02A 7
Cp.f)_TABlE DW OFFSET INIT CODE
;Initialize driver.
0154 0292
DW OFFSET UNSUPPOR T CM[)
; Me d i I
C
he c k .
0156
0292
DW OFFSET UNSUPPORT-CMD
;Bulld BPB.
0158 0292
DW OFFSET UNSUPPORT-CMO
; IoeTL input.
OlSA 0292
OW OFFSET UNSUPPORT-CMO
; I npu t .
OlSC 0292
DW OFFSET UNSUPPORT-CMD
; No n - d
I
It r u c t i ve i npu t .
01SE 0292
DW OFFSET UNSUPPORT-CMD
; I npu t I t i t u I .
0160 0292
DW OFFSET UNSUPPORT-CMD
; Flus h i npu t
buffer.
0162
0292
DW OFFSET UNSUP PORT-CMD
;Out put.
0164 0292
DW OFFSET UNSUPPORT-CMD
;Output with verify.
0166 0292
DW OFFSET UNSUPPORT-CMD
; Out put
s t i t us .
0168 0292
DW OFFSET UNSUPPORT-CMO
;Flush output buffer.
016A
0292
DW OFFSET UNSUPPORT-CMD
; IOCTL output.
016C 0292
DW OFFSET UNSUPPORT-CMO ~ g~ ~ ~
e d
~: ~
1
~ ~
.
016E
0292
DW OFFSE T UNSUPPORT-CMO
0170 0292
DW OFFSET UNSUPPORT=CMO
;Removlble media check.
0172
0172 9C
0173 60
0174
1E
0175 06
0176 8C C8
0178 BE 08
017A BO 20
Ol7C E6 20
017E 88 0040
0181 8E CO
0183
2E 8B
IE
0128 R
0188 26 8B 17
0188 EC
PAGE
;New chlrlcter count
,Store
it.
;Get synch byte.
:~~~at:sll:ln~~t~yte
.
;See if they are the same
,Sklp on if
10
(no chang_ 1n button ,tate).
;Get number of chlrlcters left 1n frame.
:See
if
we're looking for lynch byte.
;Jump
if
not.
:
~: ~: ~
f
~
0
~ ~
t
~ ~
n
m~ ~
; : . chi ric t e r .
~~:r t~e t~~ig~~,i ~~~~~C~:~eback.
: Put c h a ric t e r in temp
0
r I r y b u f fer i f I
Y
n c h
:gr~:r~!II~~lt~j.ow
chlrlcter Iway.
; S tor e c h a ric t e r IW I
Y .
,Update the frlme counter.
;And save
it.
;15 this the l i l t chlracter in frlme?
; Pro c e
5
I the frame 1 flO,
;Otherwise, Ikip on.
;Get base Iddrell of COM port from tlble.
; EOI
; R
e - est
a
b 1
is
h d a t i S e g me n tad d r
I IS
1 b i
11
t y .
,Save the registerl.
~~ASE
COUNT, BX
AL,TEMP BUFFER[BX]
~~S~A~~~~~~~t
AH ,Ar
MSI_3
AL .20H
20H, AL
BX , FRAME COUNT
BX, BX -
MSt
1
AH
,l'L
AL,OFBH
AL, SOH
AL, AH
MSI_1
MSI_S
TEMP BUFFER[BX] ,AL
BX --
FRAME COUNT, BX
BX,5 -
MSI 2
MSI=5
AX,40H
ES, AX
BX,COM NUMBER
DX,ES:TBX]
DS
ES
AX ,CS
OS ,AX
MOV
MOV
MOV
MeV
MOV
CMP
JZ
MeV
MOV
MeV
MOV
MeV
OR
JNZ
MOV
AND
CMP
MOV
JZ
JMP
MOV
INC
MOV
CMP
JZ
JMP
MOV
OUT
; CHECK FOR A CHANGE IN BUTTON STATE
; SEND BUTTON ISR EVENT RECORD (S) TO INPUT SYSTEM
,GET CHARACTER FROM MOUSE
IN AL,DX ;Get character.
;STORE IN TEMPORARV BUFFER UNTIL ENTIRE FRAME HAS BEEN RECEIVED
. DATA AREA FOR EX-BIOS DRIVER PORTION .
; PRE SE RVE MACHI NE STATE
PUSHF
PUSHA
PUSH
PUSH
MOV
MOV
; ISSUE END-OF-INTERRUPT TO 8259A
...............................
_
.
~
: •••••••••••••••••• * *. * * * * *
':'<;~~~
*
~~ ~~~ ~. ~~~~
* •• * •••• * * *. * * * * * * * * * *. * * *.:
BB 0000
2E' 89 IE 013A R
2E 8A 87 013C R
2E 8A 26 0141 R
2E A2 0141 R
3A EO
74 56
2E· 88 IE 013A
R
OB DB
75 00
8A EO
24 F8
3C 80
8A C4
74 03
E9 0260
2E: 8887 013C·R
43
2E 89
IE
013A
83
FB
05
74 03
E9 0260 R
018C
0191
0193
0195
0197
0199
019B
0190
019F
01A2
OlA 7
01A8
OlAD
OlBO
01B2
0185
01B8
OlBD
01C2
01C7
OlCB
Oleo
375
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466 Driver Writer's Guide