IBM PC CONVERTIBLE

OFCO FF
OFCE 50
OFCF F6
OFOO OF
OFDI 04
DB
DB
DB
DB
DB
OFFH
050H
OF6H
15
4
DTL
GAP LENGTH FOR FORMAT
FILL BYTE FOR FORMAT
HEAD SETTLE TIME (MSEC)
MOTOR START TIME (1/8 SEC)
Printer I/O Entry (PRINTER_IO)
*********************************
PRINTER_IO ENTRY POINT
ORG
OEF02H
OFD2 ORG 00FD2H
= OF02
PRINTER_IO EQU
OFD2 E9 0000 E
JMP PRLIO
Video Parameters
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VIDEO DISPLAY TYPE PARAMETER TABLES
***************************************
IBM DISPLAY NUMBER
# VERTICAL PELS / MICROMETER
# HORIZONTAL PELS / MICROMETER
TOTAL # OF VERTICAL PELS
TOTAL # OF HORIZONTAL PELS
WORD 1
WORD 2
WORD 3
WORD 4
WORD 5
WORD 6
WORD 7
HEIGHT OF PEL IN MICROMETER (VERTICAL DIRECTION)
WIDTH OF PEL IN MICROMETER (HORIZONTAL DIRECTION)
OFD5 MONO_TBL LABEL WORD
OFD5 5151 0000 0000 OW 5151H,0,0,0,0,0,0
0000 0000 0000 0000
OFE3 CGA_TBL LABEL WORD
TABLE FOR MONO DISPLAY
OFE3 51530498 OA15 OW 5153H,498H,OAl5H,OC8H,280H,352H,184H RGB DISPLAY
00C8 0280 0352 0184
OFF1 LCO_CGA_TBL LABEL WORD
OFF1 5140 08El 0987 OW 5140H,8ElH,987H,OC8H,280H,172H,172H ; TABLE FOR LCD
00C8 0280 0172 0172
OFFF LCD_MONO_TBL LABEL WORD
OFFF 5140 0000 0000 OW 5140H,0,0,0,0,0,0
0000 0000 0000 0000
***************************************
VIDEO_IO SUBROUTINE ADDRESS TABLE
***************************************
ORG OF045H
1045 ORG 01045H
AS A CGA DISPLAY
TABLE FOR LCD AS A MONO
DISPLAY
ASSUME CS: ROMCODE, OS: DATA, ES: VIDEO_RAM
1045
M1 LABEL
WORD
; TBL OF RTNS WITHIN VIDEO I/O
1045 0000
OW OFFSET SET~OOE
1047
0000
OW OFFSET SELCTYPE
1049 0000 OW OFFSET
SELCPOS
104B 0000 OW OFFSET
READ_CURSOR
1040 0000 OW OFFSET
REAO_LPEN
104F 0000 OW OFFS ET
ACLDISP_PAGE
1051 0000
OW OFFS ET
SCROLL_UP
1053 0000
OW
OFFSET
SCROLL_DOWN
1055
0000 OW OFFSET
REAO_ACCURRENT
1057
0000 OW OFFSET
WRITE_ACCURRENT
2-230 ROM BIOS