Intermec m90 Reference Guide
DOS System Call
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Chapter 4
67
M90 Series Portable Data Entry Unit Reference Manual
Implemented DOS Functions (INT 21h)
Function
Description
Comment
00h
Terminate Program
01h
Read Stdin
02h
Write Stdout
03h
Read Stdaux
04h
Write Stdaux
06h
Write Stdout
07h
Read Stdin
08h
Read Stdin
09h
Write Character String
0Bh
Keyboard Hit
1Ah
Device Configuration
M90 special
1Ch
Communication Configuration
M90 special
1Dh
Terminal Configuration
M90 special
1Eh
Keyboard Configuration
M90 special
1Fh
Bar Code Control
M90 special
25h
Set Interrupt Vector
2Ah
Get System Date
2Bh
Set System Date
2Ch
Get System Time
2Dh
Set System Time
2Eh
Set Alarm Date
M90 special
2Fh
Set Alarm Time
M90 special
30h
Get M90 Version Number
35h
Get Interrupt Vector
36h
Get Free Disk Clusters
37h
Get/Set EXEC size
M90 special
3Ch
Create File
3Dh
Open File
3Eh
Close File
3Fh
Read File
40h
Write File
41h
Delete File
42h
Move File Pointer
43h
Get File Attribute
44h
Device IOCTL
Only Console I/O supported
48h
Allocate Memory
49h
Free Allocated Memory