IBM RT Series Hardware Reference Manual page 272

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14BB 81 EF 1 FBO
14BF FE CB
14Cl 75 F5
14C3 E9 219B R
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14C8 EB EC
14CA
14CA
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14CC 56
14CO 57
14CE F3/ A4
1400 SF
1401 5£
1402 81 C6 2000
1406 81 C7 2000
140A 56
140B 57
140C 8A CA
140E F3/ A4
14£0 5F
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14E3
14E3
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14FO F3/ AA
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14F9 8A 26 0487 R
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1500 1F
1501 58
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1507 03
1508
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1515 76 Fl
1517 80 FC 00
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151F
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1522 BD 0511
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1528 72 08
152A E8 14F4 R
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152F
SO
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1533
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153C 8B Cl
153E 53
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3£ .0462
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154B 81 C2 01bl
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1554
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155C
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155E 03 FO
1560 06
1561 1F
1562 5A
1563 OA DB
1565 14 3F
1567 8A CE
1569 2A CB
156B 2A EO
1560 1 E
156E E8 0001 R
3781
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C
C
o
C
C
C
C
o
o
o
Rll :
CALL
SUB
DEC
JNZ
JMP
MOV
R18
DI,2000H-80
BL
Rl0
V_RET
BL,DH
R9
ENDP
o
o
o
;----- ROUTINE TO MOVE ONE ROW OF INFORMATION
C R17
t
C
c
C
C
C
C
C
C
C
C
C
C
C
C
C R17
C
PROC
MOV
PUSH
PUSH
REP
POP
POP
ADD
ADD
PUSH
PUSH
MOV
REP
POP
POP
RET
ENDP
NEAR
CL,DL
SI
01
MOVSB
01
SI
SI,2000H
DI,2000H
SI
01
CL,OL
MOVSB
01
SI
C ;---"- CLEM A SINGLE ROW
C
C R18 PROC
MOV
PUSH
REP
POP
ADD
PUSH
MOV
REP
POP
RET
ENOP
C
C
C
C
C
C
C
C
C
C
C R18
C
C
C
C
C
C
C
C
G
o
C
C
mem_det
~~~~me
push
push
ca 11
may
and
pop
pop
min:
jz
§tc
ret
c Ie
ret
mem_det endp
NEAR
CL,DL
01
STOSB
01
DI,2000H
01
CL, bL
STOSB
01
hear
ds;absO
ax
ds
dds
ah, i f)fo
ah,060h
ds
min
C
C
C
C
C
C
C
C
C
; ----- SCROLL ACT IVE PAGE UP
C
C
C
C
C
C
C
C
C
C
C
C
o
C
C
C
G
G
C
C
C
C
C
C
C
C
C
C
C
C+
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
AH6:
JMP
ASSUME
CALL
MOV
CMP
JBE
CMP
J.A£
JMP
GR ST
1
PROC
- - MaV
MOV
ClOp
Jb
ea II
jne
MOV
VVJ:
REt
GR ST 1 ENDP
GRAPH I CS UP 2
ASSUME
PUSH
CALL
SRLOAD
MOV
POP
MOV
MOV
PUSH
MOV
CALL
POP
MOV
SUB
ADD
SUB
MOV
PUSH
MUL
MUL
MOV
ADD
ASSUME
PUSH
POP
POP
OR
JZ
MDV
SUB
SUB
ASSUME
PUSH
CALL
DS:ABSO
FLTA
AH, CRT _MODE
AH,07H
SC 2
AH-;-ODH
GRAPH I CS_UP_2
V_RET
NEAR
OX,OAOOOH
BP,0511H
ah,.Ofh
vv1
mem det
vv'-
BP,0501H
PROC NEAR
OS: ABSO
OX
GR ST 1
ES- -
ES,DX
OX
BL,AL
AX,CX
BX
BH,ACTIVE_PAGE
ORX PSN
BX -
DI,AX
DX,CX
DX,OldlH
AH,AH
AL, BL
OX
POINTS
CRT COLS
SI,OI
SI,AX
OS:NOTHING
ES
OS
OX
BL, BL
AR9
CL,DH
CL, BL
CHICH
OS: ABSO
OS
DDS
132 IBM Enhanced Graphics Adapter
CLEAR THAT ROW
POINT TO NEXT LINE
NUMBER OF LI NES TO fiLL
CLEAR_LOOP
, BLANKJ I ELD
; SET BLANK COUNT .TO
; .EVERYTHING IN.fIELD
; OLEAR THE f I ELO
; NUM OF BYTES I
N
THE ROW
SAvE PO INTERS
MOVE THE EVEN F I ELO
POINT TO THE ODD FIELD
SAVE THt PO INTERs
COUNT BACK
MOVE THE ODD F I ELO
PO I NTERS BACK
RETURN TO CALLER
NUMBER OF BYTES IN FIELD
SAVE PO INTER
STORE THE NEW VALUE
PO I NTER BACK
POINT TO ODD FIELD
FILL THE ODD F I LELD
RETURN TO CALLER
; GET CURRENT MODE
; ANY OF THE OLD MODES
NEW GRAPH I CS MODES
NOT A RECOGN I ZED MODE
REGEN BUFFER
GRAPH I CS WR I TE MODE
GRAPH I CS WR I TE MODE
SET SEGMENT, WR I TE MODE
SET REGEN
NUMDER OF LI NES
UPPER LEFT CORNER
!mnS
P~~E R~g~N
SjROLL
SET PO I NTER
I
OETERM I NE WINDOW
ADJUST
ZERO HIGH BYTE
LINE COUNT
, BYTES PER CHARACTER
; COLUMNS
; SET UP SOURCE INDEX
; ADJUST
LI NE COUNT
LOW MEMORY SEGMENT