Intermec m90 Reference Guide
DOS System Call
Chapter
—
4
70
M90 Series Portable Data Entry Unit Reference Manual
(continued)
5 Get Font Data for All Characters
Entry Parameter: AH=5
Entry Parameter: AH=5
AL=0
Large font
AL=1
Small font
DS:DX=Pointer to the buffer
(for large font: buffer size=16x256 =4096 bytes)
(for small font: buffer size= 6x256 =1536 bytes)
(for small font: buffer size= 6x256 =1536 bytes)
Return Value:
Font data in the buffer
6 Set User-Defined Font for One Character
Entry Parameter: AH=6
Entry Parameter: AH=6
AL=0
Large font
AL=1
Small font
CL=0–255 character
DS:DX=Pointer to buffer with font data
DS:DX=Pointer to buffer with font data
(for large font: buffer size=16 bytes)
(for small font: buffer size=6 bytes)
(for small font: buffer size=6 bytes)
Return Value:
None
7 Get Font Data for One Character
Entry Parameter: AH=7
Entry Parameter: AH=7
AL=0
Large font
AL=1
Small font
CL =0–255 characters
DS:DX=Pointer to the buffer
DS:DX=Pointer to the buffer
(for large font: buffer size=16 bytes
for small font: buffer size=6 bytes)
for small font: buffer size=6 bytes)
Return Value:
Font data in the buffer
Implemented BIOS Functions (INT 09h)
Function
Description
Comment
00h
Select Large Font
M90 special
01h
Select Small Font
M90 special
02h
Set Font Type
M90 special
03h
Get Font Type
M90 special
04h
Set User-Defined Font for All Characters
M90 special
05h
Get Font Data for All Characters
M90 special
06h
Set User-Defined Font for One Character
M90 special
07h
Get Font Data for One Character
M90 special