Microprocessor and Microcontroller Lab 4 | Read Now
Microprocessor and Microcontroller Lab 4
4] Develop an assembly language program to compute nCr using the recursive procedure. Assume that ‘n’ and ‘r’ are non-negative integers.
4] Program Code(lab4.asm)
.model small .stack 10 .data n dw 4 r dw 2 org 10h ncr dw ? res dw ? .code mov ax,@data mov ds,ax mov ax,r call fact mov bx,res mov ax,n sub ax,r call fact mov ax,res mul bx mov bx,ax mov ax,n call fact mov ax,res div bx mov ncr,ax int 3 fact proc cmp ax,0h je exit push ax dec ax call fact pop ax mul res mov res,ax ret exit:mov res,1h ret fact endp end