#include <stdlib.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <string.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <errno.h>
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#include <termios.h>
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#include <termios.h>
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#include <sys/time.h>
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#include <sys/time.h>
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#include "../shared.h"
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#include "../shared.h"
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/* All serial functions work on this board */
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/* All serial functions work on this board */
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static Board *myboard = NULL;
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static Board *myboard = NULL;
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static port=0;
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static port=0;
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// The AI has as much time as it wants, but moves after 1 second. Default is to wait 2 seconds
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// The AI has as much time as it wants, but moves after 1 second. Default is to wait 2 seconds
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#define AI_WAIT_TIME 0.5
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#define AI_WAIT_TIME 0.5
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// FPGA has 1 second to make its move
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// FPGA has 1 second to make its move
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#define MOVE_TIME_LIMIT 0.5
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#define MOVE_TIME_LIMIT 0.5
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static int char_to_int(short x){
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static int char_to_int(short x){
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if(x>=48)
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if(x>=48)
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return x-48;
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return x-48;
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else
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else
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return 0;
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return 0;
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}
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}
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//void wait(double seconds){
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//void wait(double seconds){
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// timeval tim;
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// timeval tim;
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// gettimeofday(&tim, NULL);
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// gettimeofday(&tim, NULL);
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// double t1=tim.tv_sec+(tim.tv_usec/1000000.0);
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// double t1=tim.tv_sec+(tim.tv_usec/1000000.0);
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// while (1){
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// while (1){
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// gettimeofday(&tim, NULL);
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// gettimeofday(&tim, NULL);
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// double t2=tim.tv_sec+(tim.tv_usec/1000000.0);
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// double t2=tim.tv_sec+(tim.tv_usec/1000000.0);
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// if (t2-t1 >= seconds)
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// if (t2-t1 >= seconds)
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// break;
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// break;
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// }
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// }
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//}
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//}
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void setup_port(int fd) {
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void setup_port(int fd) {
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struct termios options;
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struct termios options;
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fcntl(fd, F_SETFL, 0);
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fcntl(fd, F_SETFL, 0);
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tcgetattr(fd, &options);
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tcgetattr(fd, &options);
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cfsetispeed(&options, B115200);
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cfsetispeed(&options, B115200);
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cfsetospeed(&options, B115200);
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cfsetospeed(&options, B115200);
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options.c_cflag |= (CLOCAL | CREAD);
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options.c_cflag |= (CLOCAL | CREAD);
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tcsetattr(fd, TCSANOW, &options);
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tcsetattr(fd, TCSANOW, &options);
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// set up non-blocking port, so that we can time out
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// set up non-blocking port, so that we can time out
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int opts;
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int opts;
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opts = fcntl(fd,F_GETFL);
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opts = fcntl(fd,F_GETFL);
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if (opts < 0) {
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if (opts < 0) {
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perror("fcntl(F_GETFL)");
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perror("fcntl(F_GETFL)");
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exit(EXIT_FAILURE);
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exit(EXIT_FAILURE);
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}
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}
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opts = (opts | O_NONBLOCK);
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opts = (opts | O_NONBLOCK);
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if (fcntl(fd,F_SETFL,opts) < 0) {
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if (fcntl(fd,F_SETFL,opts) < 0) {
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perror("fcntl(F_SETFL)");
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perror("fcntl(F_SETFL)");
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exit(EXIT_FAILURE);
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exit(EXIT_FAILURE);
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}
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}
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return;
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return;
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}
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}
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void move_to_ascii(int x,int y, char move[4]){
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void move_to_ascii(int x,int y, char move[4]){
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if (y >= 10){
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if (y >= 10){
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move[0] = '1';
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move[0] = '1';
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y -= 10;
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y -= 10;
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} else {
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} else {
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move[0] = '0';
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move[0] = '0';
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}
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}
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if (y == 0) move[1] = '0';
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if (y == 0) move[1] = '0';
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else if (y == 1) move[1] = '1';
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else if (y == 1) move[1] = '1';
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else if (y == 2) move[1] = '2';
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else if (y == 2) move[1] = '2';
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else if (y == 3) move[1] = '3';
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else if (y == 3) move[1] = '3';
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else if (y == 4) move[1] = '4';
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else if (y == 4) move[1] = '4';
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else if (y == 5) move[1] = '5';
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else if (y == 5) move[1] = '5';
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else if (y == 6) move[1] = '6';
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else if (y == 6) move[1] = '6';
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else if (y == 7) move[1] = '7';
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else if (y == 7) move[1] = '7';
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else if (y == 8) move[1] = '8';
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else if (y == 8) move[1] = '8';
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else if (y == 9) move[1] = '9';
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else if (y == 9) move[1] = '9';
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// Do same for x.
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// Do same for x.
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if (x >= 10){
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if (x >= 10){
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move[2] = '1';
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move[2] = '1';
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x -= 10;
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x -= 10;
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} else {
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} else {
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move[2] = '0';
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move[2] = '0';
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}
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}
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if (x == 0) move[3] = '0';
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if (x == 0) move[3] = '0';
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else if (x == 1) move[3] = '1';
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else if (x == 1) move[3] = '1';
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else if (x == 2) move[3] = '2';
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else if (x == 2) move[3] = '2';
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else if (x == 3) move[3] = '3';
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else if (x == 3) move[3] = '3';
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else if (x == 4) move[3] = '4';
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else if (x == 4) move[3] = '4';
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else if (x == 5) move[3] = '5';
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else if (x == 5) move[3] = '5';
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else if (x == 6) move[3] = '6';
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else if (x == 6) move[3] = '6';
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else if (x == 7) move[3] = '7';
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else if (x == 7) move[3] = '7';
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else if (x == 8) move[3] = '8';
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else if (x == 8) move[3] = '8';
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else if (x == 9) move[3] = '9';
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else if (x == 9) move[3] = '9';
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}
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}
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AIMoves *ai_serial(const Board *b){
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AIMoves *ai_serial(const Board *b){
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int i,j,firstmove=0;
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int i,j,firstmove=0;
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char move[4];
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char move[4];
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AIMoves *moves = aimoves_new();
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AIMoves *moves = aimoves_new();
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AIMove fpgamove;
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AIMove fpgamove;
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for(i=0;i<board_size;i++){
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for(i=0;i<board_size;i++){
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for(j=0;j<board_size;j++){
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for(j=0;j<board_size;j++){
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if (piece_at(b,i,j)!=PIECE_NONE) firstmove++;
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if (piece_at(b,i,j)!=PIECE_NONE) firstmove++;
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}
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}
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}
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}
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if(firstmove<=1){
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if(firstmove<=1){
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port = open("/dev/ttyS0", O_RDWR | O_NOCTTY | O_NONBLOCK);
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port = open("/dev/ttyS0", O_RDWR | O_NOCTTY | O_NONBLOCK);
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setup_port(port);
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setup_port(port);
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if(b->turn==PIECE_WHITE){
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if(b->turn==PIECE_WHITE){
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write(port, "L",1);
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write(port, "L",1);
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}else{
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}else{
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write(port, "D",1);
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write(port, "D",1);
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}
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}
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printf("firstmove %d\n",firstmove);
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printf("firstmove %d\n",firstmove);
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if(!myboard){
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if(!myboard){
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myboard=board_new();
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myboard=board_new();
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}else{
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}else{
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board_free(myboard);
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board_free(myboard);
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myboard=board_new();
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myboard=board_new();
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}
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}
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}
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}
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if(b->moves_left >1 || (firstmove<=1)){
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if(b->moves_left >1 || (firstmove<=1)){
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for(i=0;i<board_size;i++){
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for(i=0;i<board_size;i++){
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for(j=0;j<board_size;j++){
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for(j=0;j<board_size;j++){
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if ((piece_at(myboard,i,j)==PIECE_NONE) && (piece_at(b,i,j)!=PIECE_NONE)){
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if ((piece_at(myboard,i,j)==PIECE_NONE) && (piece_at(b,i,j)!=PIECE_NONE)){
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printf("%d,%d\n",i+1,j+1);
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printf("%d,%d\n",i+1,j+1);
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move_to_ascii(i+1,j+1,move);
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move_to_ascii(i+1,j+1,move);
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write(port,&move[0],1);
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write(port,&move[0],1);
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write(port,&move[1],1);
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write(port,&move[1],1);
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write(port,&move[2],1);
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write(port,&move[2],1);
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write(port,&move[3],1);
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write(port,&move[3],1);
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printf("AI move %c%c %c%c\n", move[2],move[3],move[0],move[1] );
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printf("AI move %c%c %c%c\n", move[2],move[3],move[0],move[1] );
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}
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}
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}
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}
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}
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}
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}
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}
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sleep(1);
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sleep(1);
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//move[0] = 0; move[1] = 0; move[2] = 0; move[3] = 0;
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//move[0] = 0; move[1] = 0; move[2] = 0; move[3] = 0;
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////////// Get Opponent's move
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////////// Get Opponent's move
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read(port,&move[0],1);
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read(port,&move[0],1);
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read(port,&move[1],1);
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read(port,&move[1],1);
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read(port,&move[2],1);
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read(port,&move[2],1);
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read(port,&move[3],1);
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read(port,&move[3],1);
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fpgamove.y=char_to_int(move[0])*10 + char_to_int(move[1])-1;
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fpgamove.y=char_to_int(move[0])*10 + char_to_int(move[1])-1;
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fpgamove.x=char_to_int(move[2])*10 + char_to_int(move[3])-1;
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fpgamove.x=char_to_int(move[2])*10 + char_to_int(move[3])-1;
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printf("FPGA move %d %d\n", fpgamove.x, fpgamove.y);
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printf("FPGA move %d %d\n", fpgamove.x, fpgamove.y);
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aimoves_append(moves, &fpgamove);
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aimoves_append(moves, &fpgamove);
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//move[0] = 0; move[1] = 0; move[2] = 0; move[3] = 0;
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//move[0] = 0; move[1] = 0; move[2] = 0; move[3] = 0;
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//read(port,&move[0],1);
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//read(port,&move[0],1);
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//read(port,&move[1],1);
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//read(port,&move[1],1);
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//read(port,&move[2],1);
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//read(port,&move[2],1);
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//read(port,&move[3],1);
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//read(port,&move[3],1);
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// printf("FPGA move %c%c %c%c\n", move[2],move[3],move[0],move[1] );
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// printf("FPGA move %c%c %c%c\n", move[2],move[3],move[0],move[1] );
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//fpgamove.x=char_to_int(move[2])*10 + char_to_int(move[3]) - 1;
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//fpgamove.x=char_to_int(move[2])*10 + char_to_int(move[3]) - 1;
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//fpgamove.y=char_to_int(move[0])*10 + char_to_int(move[1]) - 1;
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//fpgamove.y=char_to_int(move[0])*10 + char_to_int(move[1]) - 1;
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//printf("FPGA move %d %d\n", fpgamove.x, fpgamove.y);
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//printf("FPGA move %d %d\n", fpgamove.x, fpgamove.y);
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//aimoves_append(moves, &fpgamove);
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//aimoves_append(moves, &fpgamove);
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board_copy(b,myboard);
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board_copy(b,myboard);
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place_piece_type(myboard,fpgamove.x,fpgamove.y,b->turn);
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place_piece_type(myboard,fpgamove.x,fpgamove.y,b->turn);
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return moves;
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return moves;
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}
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}
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