Unitech PT600, Programming Reference Manual

Page: 26 / 77

int TD_get_bar_type()
{
regs.h.ah = 0x1B;
regs.h.bh = 5;
int86(0x21,&regs,&regs);
return(regs.h.al);
}
1B 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);
}
1C Set Communication Parameters
Entry Parameter: AH = 1CH
BH = 1
AL bits 7-4: 0001xxxx baud 150
0010xxxx baud
300
0011xxxx baud
600
0100xxxx baud
1200
0101xxxx baud
2400
0110xxxx baud
4800
0111xxxx baud
9600