[한이음 프로젝트] 나만의 가상 CPU 만들기 - C언어로 JK플립플롭 구현

#include "stdio.h"
#include "string.h"

#pragma pack(1)

typedef unsigned char __u8;

struct JKFF{
	__u8 j:1;
	__u8 k:1;
	__u8 q:1;
	__u8 _q:1;
};

struct JKFF_FUNC{
	__u8 (*jkflipflop)(__u8, __u8, __u8);
};

__u8 jkflipflop(__u8 j, __u8 k, __u8 q){
	return j*(~q) + (~k)*q;
}

int main(){
	struct JKFF ff;
	struct JKFF_FUNC ff_func;

	ff_func.jkflipflop = jkflipflop;
	
	memset(&ff, 0x0, sizeof(struct JKFF));

#if 1
	//start while - test JK filpflop function
	ff.q = 1;
	ff.j = 1;
	ff.k = 1;
	ff._q = ff_func.jkflipflop(ff.j, ff.k, ff.q);
	printf("%d, %d, %d, %d\n", ff.q, ff.j, ff.k, ff._q);
#endif

	return 0;
}

/*
 * Reference:	http://zeroway2.com.ne.kr/digital/05/0501/03/050103.html
 *		http://bombofmetal.tistory.com/489
 *		http://donghwada.tistory.com/20
 */