IBM PC CONVERTIBLE

1059 0000
OW
OFFSET WRITE_CCURRENT
105B 0000
OW
OFFSET
SELCOLOR
1050 0000
OW OFFSET
WRITE_DOT
105F 0000
OW
OFFSET READ_DOT
1061 0000
OW
OFFSET WRITE_TTY
1063 0000 OW OFFSET VIDEO_STATE
= 0020 MIL
EQU
$-M1
Video I/O Entry (VIDEO_IO)
. ***************************************
: V I DEO_I 0 ROUT! N E ENTRY PO I NT
; ** **** ******* * ** **** ** * ** ** ************
;ORG OF065H
1065 ORG 01065H
= 1065
VIDEO_IO EQU
1065 E9 0000 JMP VIDEO_IO_1
Video Parameters
10M
10M
10M
lOAB
lOBO
= 0010
10B4
10BB
lOCO
10C4
10CB
1000
1004
10DB
10EO
; VIDEO PARMAMETER TABLE
; ***************************************
;ORG OFOMH
ORG 010MH
VIDEO_PARMS LABEL BYTE
INILTABLE
38 28 20 OA 1 F 06
DB 38H ,28H, 2DH ,OAH, 1FH, 6, 19H
19
1C 02 07 06 07 DB 1CH,2,7,6,7
00 00 00 00
DB 0,0,0,0
M4
EQU
$-V IDEO_PARMS
71 50 5A OA IF 06
DB
7lH, 50H, 5AH, OAH, 1 FH, 6, 19H
19
1C 02 07 06 07 DB 1CH,2,7,6,7
00 00 00 00
DB 0,0,0,0
38 28 20 OA 7 F 06
DB
38H, 28H, 2DH, OAH, 7 FH, 6, 64H
64
70 02 01 06 07 DB 70H,2,1,6,7
00 00 00 00 DB 0,0,0,0
61 50 52 OF 19 06
DB
61H, 50H, 52H ,OFH, 19H, 6, 19H
19
19
02 00 08 OC
08
19H, 2, ODH,OBH ,OCH
00 00 00 00
DB
0,0,0,0
SET UP FOR 40X25
SET UP FOR 80X25
SET UP FOR GRAPH I CS
SET UP FOR 80X25 B&W
10E4 M5 LABEL WORD TABLE OF REGEN LENGTHS
10E4 0800 OW
2048
40X25
10E6 1000 OW
4096
80X25
10E8 4000 OW 16384 GRAPH I CS
10EA 4000
OW
16384
COLUMNS
10EC M6 LABEL BYTE
10EC 28 28 50 50 28 28 DB 40,40,80,80,40,40,80,80
50 50
ROM BIOS 2-231