1 files changed, 69 insertions, 1 deletions
diff --git a/src/mcu.c b/src/mcu.c
index 4083165..7248200 100644
--- a/src/mcu.c
+++ b/src/mcu.c
@@ -2,7 +2,75 @@
 #include <tak.h>
 #include <ct1986.h>
 
+#define EXIT_SUCCESS 0
+#define EXIT_FAILURE -1
+
+/*
+ * static int
+ * handle_turn(char *line) {
+ *	// Track win state
+ *	uint8_t new_win = (won == 0xFF);
+ *	switch (do_ptn(line)) {
+ *		// Errors
+ *		case PTN_INVALID:  { return EXIT_FAILURE; break; }
+ *		case ACT_ILLEGAL:  { return EXIT_FAILURE; break; }
+ *		case ACT_OVERFLOW: { return EXIT_FAILURE; break; }
+ *			// Game has ended
+ *		case GAME_END: {
+ *			// Did it end this turn?
+ *			if (new_win) {
+ *				switch (won) {
+ *					case WIN_DRAW:       {  break; }
+ *					case WIN_FLAT_BLACK: {  break; }
+ *					case WIN_FLAT_WHITE: {  break; }
+ *					case WIN_ROAD_BLACK: {  break; }
+ *					case WIN_ROAD_WHITE: {  break; }
+ *				}
+ *			}
+ *			if (! new_win) return EXIT_FAILURE;
+ *			break;
+ *		}
+ *			// Valid, append to game log
+ *		case PTN_VALID:
+ *		case ACT_OK: { break; }
+ *	}
+ *	return EXIT_SUCCESS;
+ * }
+ */
+
+static void
+dot(const uint8_t depth) {
+	PORTD ^= _BV(4);
+}
+
+
+static int
+ct1986_turn(const uint8_t max_depth) {
+	// Prepare progress bar
+	// Run the minimax
+	float minimax = ct1986_generate(max_depth);
+	// Failed to find a move?
+	if ((minimax <= -infty && (ply & 1) == 1)
+			||(minimax >= infty && (ply & 1) == 0)) {
+		//		puts("] Opponent concedes!");
+		return EXIT_FAILURE;
+	} else {
+		do_ptn(ct1986_ptn);
+		return EXIT_SUCCESS;
+	}
+}
+
+
 int main(void) {
-	while(1);
+	DDRD = _BV(0) | _BV(4);
+	PORTD = 0;
+
+	reset_state(5);
+	ct1986_display_progress = &dot;
+	PORTD = _BV(0) | _BV(4);
+	ct1986_turn(1);
+	PORTD = 0;
+
+	while (1);
 	return 0;
 }