Program to find out the number of even and odd numbers from a given series

Program to find out the number of even and odd numbers from a given series of 16 bit hexadecimal numbers.

The simplest logic to decide whether a binary number is even or odd is to check the least significant bit of the number. If the bit is zero, the number is even, else its odd. Check the LSB by rotating the number through carry flag and increment even or odd number counter.


ASSUME CS:CODE, DS:DATA
DATA SEGMENT
LIST DW 2357H,0a579H,0c2322H,0c91eH,0c0000H,0957H
COUNT EQU 006h
DATA ENDS
CODE SEGMENT

START: XOR BX,BX
XOR DX,DX
MOV AX,DATA
MOV DS,AX
MOV CL,COUNT
MOV SI, OFFSET LIST
AGAIN: MOV AX,[SI]
RPR AX,01
JC ODD
INC BX
JMP NEXT
ODD: INC DX
NEXT: ADD SI,02
DEC CL
JNZ AGAIN
MOV AH,4CH
INC 21H
CODE ENDS
END START

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