Unitech MR350MKII Barcode Reader User Manual


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void TS_get_interrupt_vector(int vect,unsigned int *es,unsigned int *bx)
{
regs.h.ah= 0x35;
regs.h.al= (unsigned char)vect;
int86x(0x21,&regs,&regs,&segregs);
*es = segregs.es;
*bx = regs.x.bx;
}
36 Get free disk cluster
Entry Parameters: AH = 0x36
Returned Values: AH = 1 (number of sector per cluster)
BX = number of available clusters
CX = 1024 (number of bytes per sector)
long TS_free_disk()
{
regs.h.ah= 0x36;
int86x(0x21,&regs,&regs,&segregs);
return((long)regs.x.bx*(long)regs.x.cx);
}
1A Enable/disable system key-pressing commands: Warm start, Invoke
user command menu, Invoke supervisor mode
Entry Parameters: AH = 0x1A
BH = 05
AL = 0 ; disable system keys
1 ; enable system keys
Returned Values: None
void TD_set_system_key(int status)
{
regs.h.ah= 0x1A;
regs.h.al= (unsigned char)status;
regs.h.bh= 5;
int86(0x21,&regs,&regs);
}
1E Change the Keyboard map
Entry Parameters: AH = 0x1E
BH = 1
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