Questions tagged as 'interrupciones'

I need help to know how to use the value of CX in C I have a program which has to draw an x in the place where click with the mouse. And for that I need to know the value of the assembly interruption 33h. int mouse_x(int x){ asm mov ax,03...

My specific question is: In the code I have there is a line that is: outportb(Puerto+3,0x80);/*Pone DLAB en 1*/ From what I read this DLAB is a bit that is in the LCR (Line control Register) bone port + 3, access the LCR register, and w...