Unitech PT630, Programming Reference Manual

Page: 23 / 73

PT630 Programming Reference Guide Page 23 of 59
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1.5.12.14 Set Alpha input mode
Entry Parameter: AH = 1AH
BH = 0x11H
1.5.12.15 Set keypad input statusr
Entry Parameter: AH = 1AH
BH = 0x12H
AL = 0 ; Alpha mode
1 ; Non-Aplha mode
1.5.12.16 Get Scanner Port Status
Entry Parameter: AH = 1BH
BH = 5
Return values: AL = 0 ; Scanner port is disabled
1 ; Scanner port is enabled
Example:
int TD_get_bar_type()
{
regs.h.ah = 0x1B;
regs.h.bh = 5;
int86(0x21,&regs,&regs);
return(regs.h.al);
}
1.5.13 General Communication Setting
1.5.13.1 Get
MULTIPOINT Address
Entry Parameter: AH = 1BH
BH = 6
Returned Value: AL = Address ; ASCII character ‘A’ - ’Y’ or ’0’ - ’6’
Example
:
char TC_get_address()
{
regs.h.ah = 0x1B;
regs.h.bh = 6;
int86(0x21,&regs,&regs);
return((char)regs.h.al);
}