/*
 * Copyright (C) 2007 Michael Lewis
 * Author: Mike Lewis <mikelikespie@gmail.com>
 *
 * This work is provide AS IS, and has no warranty.
 * The author is NOT responsible for anything that happens
 * due to use of this code, either using it or running it on
 * your system
 */
#ifdef __SSE2__
#include <xmmintrin.h>
#include <emmintrin.h>
#endif

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

#include "types.h"
#include "helpers.h"

//The get and set ops are scalar and slow.
__m128i set_bit( __m128i A, int col ) {

	char* bytes = (char*)&A;
	int byte = col % 16;
	int shift = col / 16;

	bytes[byte] |= 0x01 << shift;
	return A;
}

char get_bit( __m128i A, int col ) {

	char* bytes = (char*)&A;
	int byte = col % 16;
	int shift = col / 16;

	return ( bytes[byte] >> shift ) & 0x01;
}

void print_packed_row( __m128i A ) {
	int i, j;
	for( i = 0; i < 8; i++ ) {
		__m128i fin = unpack( A, i );
		unsigned char *f = (unsigned char*)&fin;
		for( j = 0; j < 16; j++ ) {
			printf( *f ? "@" : "."  );
			f++;
		}
		printf( " " );
	}
}



void print_life_block( life_block *block ) {
	int i;
	for( i = 0; i < 128; i++ ) {
		printf( "%3.d ", i );
		print_packed_row( (*block->current)[i] );
		printf( "\n" );
	}
	fflush( stdout );
}

void set_bit_in_block( life_block *block, int row, int column ) {
	(*block->current)[row] = set_bit( (*block->current)[row], column );
}