IBM RT Series Hardware Reference Manual page 281

lAAl 8A FB
1 AA3 AO 0466 R
lAA6 24 EO
lAA8 RO E3
H
lAAB OA C3
1 AAD A2 0466 R
lABO 8A OF
lAB2 80 E7 08
lAB5 DO E7
lAB7 8A E8
lAB9 80 E5 EF
lABC OA ED
lABE 80 E3 OF
lACl 8A FB
lAC3 DO E3
lAC5 80 E3 10
lAC8 80 E7 07
lACB OA OF
1 ACD AO 0449 R
lADO 3C 03
lAD2 76 OE
lAD4 B4 00
lAD6 8A C3
lAD8 E8 lD9C R
lADB OB ED
lADD 74 03
lADF 26: 88 10
lAE2
lAE2 80 3E 0449 R 03
lAE7 77 05
lAE9 E8 OE9C R
lAEC 72 07
lAEE
lAEE B4 11
lAFO 8A C3
lAr2 E8 lD9C R
lAr5
lAF5 ,OB ED
lAF7 74 04
lAF9 26: 88 50 10
lAFD
lArD 8A DO
lAFF 80 E3 20
1 B02 Bl 05
lB04 02 EB
lB06
1 B06 80 3E 0449 R 03
lBOB 76 4A
1 BOD AO 0466 R
lBl0 24 OF
lB12 80 E3 01
lB15 74 02
lB17 OC 20
lB19
1 B19 A2 0466 R
lB1C 24 10
lBl E OC 02
lB20 OA 08
lB22 B4 01
lB24 8A C3
1 B26 E8 lD9C R
lB29 OB ED
lB2B 74 04
lB2D 26: 88 50 01
lB31
1 B31 FE C3
lB33 FE C3
1 B35 B4 02
lB37
SA
C3
lB39 E8 lD9C R
1 B3C OB ED
lB3E 7404
lB40 26: 88 5002
lB44
lB44 FE C3
lB46 FE C3
lB48 B4 03
lB4A 8A C3
lB4C E8 lD9C R
lB4F OB ED
lB51 74 04
lB53 26: 88 50 03
lB57
1 B57 E8 lDB4 R
lB5A E9 219B R
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;----- MOVE INTENSITY BIT FROM 03 TO 04 FOR COMPATIBILITY
mov bh,bl
mav 81, crt_pa lett8
and 81,oeOh
and bl,Olfh
al,bl
mav crt pa 18tt8;81
mov bl,lih
and bh,08h
shl bh,l
mov ch,al
and ch,Oefh
or ch,ch
AND BL,OFH
MOV BH, BL
SHL BL,l
MD BL,010H
AND BH,07H
OR BL,BH
MOV AL, CRT_MODE
CHP AL,3
JBE H21
;----- GRAPHICS MODE DONE HERE (SET PALETTE 0 AND OVERSCAN)
HOV
MOV
CALL
or
~~v
AH,O
AL,BL
PAL_SET
bp,bp
m21
es: [d I
I.
bl
;----- ALPHA MODE DONE HERE (SET OVERSCAN REGISTER)
H21 :
cmp
ja
ca II
jc
crt_mode, 3
set ovrsc
brst det
skip::::ovrsc
set. ovrsc:
- MOV
AH,011H
AL,BL
PAL_SET
MOV
CALL
sk i
p_ovr~~:
bp, bp
m21y
m21y:
H20:
H22:
m22y:
m27y:
M80:
~~v
es:(di)[ 16dl.bl
mav bl,ch
AND 8L.020H
MOV CL,5
SHR BL. CL
HANDLE BH • 1 HERE
ALPHA MODES
.>
NO EFFECT
GRAPHICS .> LOW BIT OF BL • 0
PALETTE 0 • BACKGROUND
PALETTE 1 • GREEN
PALETTE 2 • RED
PALETTE 3 • BROWN
.>
LOW BIT 0 F BL • 1
PALETTE 0 • BACKGROUND
PALETTE 1 • CYAN
PALETTE 2 • MAGENTA
PALETTE 3 • WH I TE
CHP CRT HODE,3
JBE M80-
MOV AL,CRT_PALETTE
AND AL,ODFH
AND BL,l
JZ M22
OR AL,020H
MOV
AND
OR
OR
MOV
MOV
CALL
or
~~v
INC
INC
MOV
MOV
CALL
or
~~v
INC
INC
MOV
MOV
CALL
or
~~v
CRT_PALETTE, AL
AL,010H
AL,2
BL,AL
AH,l
AL, BL
PAL_SET
bp, bp
m22y
es: [di)[
11,
bl
BL
BL
AH,2
AL.BL
PAL_SET
bp. bp
m27y
es: [d i )[21. bl
BL
BL
AH,3
AL.BL
PAL_SET
bp,bp
m80
es: [d i)[ 31, bl
CALL PAL ON
JMP V_RET
INCLUDE VOOT, INC
SUBTTL VDOT, INC
PAGE
check for an enhanced l1Iode
no chance
see if we
8
re enhanced
there I s no border
overscan register
; set the border
;
- -- --_ ..
-_
..
--_
.... --
---
--
-_
....
-_
.......
-_
..
-- ............
-_
......
_-
ENTRY
OX • ROW
CX • COLUMN
IBM Enhanced Graphics Adapter 141