Starting work on MCU port

1 files changed, 10 insertions, 10 deletions

diff --git a/include/ct1986.c b/include/ct1986.c
index a3b089e..4537fa5 100644
--- a/include/ct1986.c
+++ b/include/ct1986.c
@@ -186,8 +186,8 @@ ct1986_minimax(const uint8_t cur_depth, const uint8_t max_depth,
 	float optimal = (min) ? infty : -infty;
 
 	// Step across the board
-	for (uint8_t row = 0; row < board_size; row++) {
-		for (uint8_t col = 0; col < board_size; col++) {
+	for (uint8_t row = 0; row < 5; row++) {
+		for (uint8_t col = 0; col < 5; col++) {
 			// Try all valid actions for this square. Is it empty?
 			const uint8_t loc = THE_COORDS(col, row);
 			const uint8_t count = COUNT_AT(loc);
@@ -198,17 +198,17 @@ ct1986_minimax(const uint8_t cur_depth, const uint8_t max_depth,
 				// better than manually unrolling this. Sufficiently smart
 				// compilers?
 
-				uint16_t colours_backup[board_size];
-				uint8_t celldat_backup[board_size], drops[board_size-1];
+				uint16_t colours_backup[5];
+				uint8_t celldat_backup[5], drops[5-1];
 				// Back up the row of the board
-				for (uint8_t y = 0; y < board_size; y++) {
+				for (uint8_t y = 0; y < 5; y++) {
 					colours_backup[y] = colours[THE_COORDS(col, y)];
 					celldat_backup[y] = celldat[THE_COORDS(col, y)];
 				}
 				for (enum MOVE_DIRECTION dir = M_UP; dir <= M_RIGHT; dir++) {
 					// Back-up the column once we start looking horizontally
 					if (dir == M_LEFT) {
-						for (uint8_t x = 0; x < board_size; x++) {
+						for (uint8_t x = 0; x < 5; x++) {
 							colours_backup[x] = colours[THE_COORDS(x, row)];
 							celldat_backup[x] = celldat[THE_COORDS(x, row)];
 						}
@@ -217,7 +217,7 @@ ct1986_minimax(const uint8_t cur_depth, const uint8_t max_depth,
 					// just try everything...
 
 					// For every number of steps
-					for (uint8_t steps = 1; steps < board_size && steps <= count; steps++) {
+					for (uint8_t steps = 1; steps < 5 && steps <= count; steps++) {
 						uint8_t idx, carry;
 						for (idx = 0; idx < steps; idx++) drops[idx]=0;
 						idx = 0;
@@ -227,7 +227,7 @@ ct1986_minimax(const uint8_t cur_depth, const uint8_t max_depth,
 							drops[idx]++;
 							do {
 								if (carry) { drops[++idx]++; carry = 0;}
-								if (drops[idx] > count || drops[idx] > board_size) {
+								if (drops[idx] > count || drops[idx] > 5) {
 									drops[idx] = 1; carry = 1;
 								}
 							} while (carry && idx < steps);
@@ -247,12 +247,12 @@ ct1986_minimax(const uint8_t cur_depth, const uint8_t max_depth,
 										});
 									// Reset the board data
 									if (dir <= M_DOWN) {
-										for (uint8_t y = 0; y < board_size; y++) {
+										for (uint8_t y = 0; y < 5; y++) {
 											colours[THE_COORDS(col, y)] = colours_backup[y];
 											celldat[THE_COORDS(col, y)] = celldat_backup[y];
 										}
 									} else {
-										for (uint8_t x = 0; x < board_size; x++) {
+										for (uint8_t x = 0; x < 5; x++) {
 											colours[THE_COORDS(x, row)] = colours_backup[x];
 											celldat[THE_COORDS(x, row)] = celldat_backup[x];
 										}