#include <string.h>
#include <stdio.h>
#include <stdlib.h>

void trit_flip(char *in, char n0, char n1, char n2, char n3) {
	in[0] = n0;
	in[1] = n1;
	in[2] = n2;
	in[3] = n3;
}
void asm_rules(char *in, char *_asm){


	char *word = strtok(in, " ");

	while(word != NULL) {

		//instruction set
		//aaaaaa bbbbbbb ccccccc ddddddd	
		//a = opcode, b = input 0, c = input 1, d = output

		if (strcmp(word, "nop") == 0) {
			//keeps the default value (0) if nop
		} else if (word[0] == ';') {
			//comments
			break;
		} else {
			if(word[0] == 'i') {
				_asm[1] = 1; 
			} else if(word[0] == 'f') {
				//floating
			}
			if (word[0] == '$') {
				//constants
				_asm[12] = 2; //set constant loading (on input 1)
			} else if (word[0] == '@') {
				//address location

			//cases make larger checks harder to read
			} else if (strstr(word, "max")) { 
				trit_flip(_asm, '+', '0', '0', '0');
			} else if (strstr(word, "min")) {
				trit_flip(_asm, '-', '0', '0', '0');
			} else if (strstr(word, "any")) {
				trit_flip(_asm, '0', '0', '0', '0');
			} else if (strstr(word, "cons")) {
				trit_flip(_asm, '-', '+', '0', '0');
			} else if (strstr(word, "add")) {
				trit_flip(_asm, '+', '-', '+', '0');
			} else if (strstr(word, "sub")) {
				trit_flip(_asm, '+', '-', '-', '0');
			} else if (strstr(word, "mul")) {
				trit_flip(_asm, '+', '0', '+', '0');
			} else if (strstr(word, "div")) {
				trit_flip(_asm, '+', '0', '-', '0');
			} else if (strstr(word, "dec")) {
				trit_flip(_asm, '-', '-', '0', '0');
			} else if (strstr(word, "inc")) {
				trit_flip(_asm, '-', '+', '0', '0');
			}
		}

		word = strtok(NULL, " ");
	}
}