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WAP that displays the binary powers of 2 in assembly level language?
Wiki User
∙ 12y ago
; This may not be what you wnat in that it displays in Decimal but, it should
; get you started. It was writtne in x86 Assembly using emu8086. Bruce
name Powers
; author: Bruce Hesher
;
; View the flags register, Variables, and the Stack while running
; this program.
; AX - used to store sum
; BX - used to count the number of time the subroutine loops
; CX - used by scan_num to store value
; DX - used to return value
;
org 100h ; Create COM file
include 'emu8086.inc' ; emu8086.inc has some useful subroutines.
; prompt user for the number of Fibonacci numbers to display.
mov ah, 9
mov dx, offset msg_prompt
int 21h
call scan_num ; Type digits then ENTER, result goes in CX
lea si, msg_CRLFLF ; 1 CR and 2 LF
call print_string
lea si, space ; Used PRINT_STRING inside the program loop.
mov ax, 0 ; Clear AX.
mov al, cl ; Seed AL with number to show powers of.
mov [value], cx ; mov number to value since CX used by loop
mov cx, 20
NEXT: mul [value] ; (DX AX) = AX * operand.
call print_num_uns ; print value in AX
call print_string
loop NEXT ; jump if no overflow to next
ret ; to OS
; Define variables
msg_prompt db 'Enter the number to calc the powers of: $'
msg_CRLFLF db 0Dh, 0Ah, 0Ah
space dw 20h
value dd 0h ; dd directive to define double length word (4bytes).
; Define selected subroutines from emu8086.inc
DEFINE_SCAN_NUM
DEFINE_PRINT_STRING
DEFINE_PRINT_NUM_UNS ; Print unsigned number in AX
END ; directive to stop the assembler.
Wiki User
∙ 12y ago
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Which number system is based on powers of 2?
- Binary
How can I calculate 8 into a Binary number?
Find the powers of 2. 8 in binary would be 1000
Each place value in a binary number represents what?
A power of 2. In the decimal system, we use powers of 10, in the binary system, powers of 2. Other number system use some other number as their base; for example, hexadecimal (base-16) uses powers of 16.
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How do you convert 15 to a binary number?
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