initial files

src/board.h

@@ -0,0 +1,37 @@
+#ifndef BOARD_H
+#define BOARD_H
+
+#include <stdint.h>
+
+/* ffff rrrr */
+typedef unsigned char SQUARE;
+#define SQUARE_F(s) ((s) >> 4)
+#define SQUARE_R(s) ((s) & 0x0f)
+#define SET_F(s, f) ((s) &= 0x0f, (s) |= (f)<<4)
+#define SET_R(s, r) ((s) &= 0xf0, (s) |= (r))
+
+typedef struct {
+    unsigned char piece;
+    //struct piece *s_piece;
+} BOARD[8*8*2];                                    /* 0x88 board */
+
+/* definitions for 0x88 representation */
+#define SQ88(f, r) (16 * (r) + (f))
+#define FILE88(s)  ((s) & 7)
+#define RANK88(s)  ((s) >> 8)
+
+/* piece notation */
+#define CHAR_EMPTY   ' '
+#define CHAR_PAWN    'P'
+#define CHAR_KNIGHT  'N'
+#define CHAR_BISHOP  'B'
+#define CHAR_ROOK    'R'
+#define CHAR_QUEEN   'Q'
+#define CHAR_KING    'K'
+
+#define C2FILE(c)  (tolower(c)-'a')
+#define C2RANK(c) (tolower(c)-'1')
+#define FILE2C(c)  ((c)+'a')
+#define RANK2C(c) ((c)+'1')
+
+#endif