Unitech PT600, Programming Reference Manual

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Example :
Same with Code 39's example :
1F User Code 2 Setting (TOSHIBA code)
Entry Parameter: AH = 1FH
BH = 3
BL = 22H
AL bit 0= 0/1 : disable/enable User Code 2
decoding
Return Value: None
Example :
Same with Code 39's example :
25 Set Interrupt Vector
Entry Parameter: AH = 25H
AL = interrupt number
DS:BX = address of interrupt routine
Return Value: None
Example :
void TS_set_interrupt_vector(int vect,unsigned int ds,unsigned int dx)
{
regs.h.ah= 0x25;
regs.h.al= (unsigned char)vect;
segregs.ds=ds;
regs.x.dx=dx;
int86x(0x21,&regs,&regs,&segregs);
}
2A Get System Date
Entry Parameter: AH = 2AH
Return Value: CX = year (1980 - 2079)
DH = month (1 - 12)
DL = day (1 - 31)
AL = weekday (0 - 6)
Example :