ARM assembly language
Write a program "fibonacci.s" that computes the Nth Fibonacci
number where N is not so large that overflow of integer arithmetic
is a concern. When your assembly language program is called it
should expect the value of N to be passed using register r0 and
your program should return the Nth Fibonacci number in register r0.
Please include comments as well.
Do not just use the output generated by gcc -S
.MODEL SMALL .STACK 64 .DATA VAL1 DB 01H VAL2 DB 01H LP DB 00H V1 DB 00H V2 DB 00H NL DB 0DH,0AH,'$' .CODE MAIN PROC MOV AX,@DATA MOV DS,AX MOV AH,01H INT 21H MOV CL,AL SUB CL,30H SUB CL,2 MOV AH,02H MOV DL,VAL1 ADD DL,30H INT 21H MOV AH,09H LEA DX,NL INT 21H MOV AH,02H MOV DL,VAL2 ADD DL,30H INT 21H MOV AH,09H LEA DX,NL INT 21H DISP: MOV BL,VAL1 ADD BL,VAL2 MOV AH,00H MOV AL,BL MOV LP,CL MOV CL,10 DIV CL MOV CL,LP MOV V1,AL MOV V2,AH MOV DL,V1 ADD DL,30H MOV AH,02H INT 21H MOV DL,V2 ADD DL,30H MOV AH,02H INT 21H MOV DL,VAL2 MOV VAL1,DL MOV VAL2,BL MOV AH,09H LEA DX,NL INT 21H LOOP DISP MOV AH,4CH INT 21H MAIN ENDP END MAIN
ARM assembly language Write a program "fibonacci.s" that computes the Nth Fibonacci number where N is...
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