#ifndef ROTR
# define ROTR(x,n) (((uintmax_t)(x) >> (n)) | ((uintmax_t)(x) << ((sizeof(x) * 8) - (n))))
#endif
+
#ifndef MIN
# define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
# define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
+
+// Byte swapping
#ifndef BSWAP_32
# define BSWAP_32(x) \
((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
# define BSWAP_16(x) ((( ((x) & 0xFF00 ) >> 8))| ( (((x) & 0x00FF) << 8)))
#endif
+// Boolean
#define TRUE 1
#define FALSE 0
#define EVEN 0
#define ODD 1
+// Nibble logic
#ifndef NIBBLE_HIGH
# define NIBBLE_HIGH(b) ( (b & 0xF0) >> 4 )
#endif
# define SWAP_NIBBLE(b) ( (NIBBLE_LOW(b)<< 4) | NIBBLE_HIGH(b))
#endif
+// Binary Encoded Digit
#ifndef BCD2DEC
# define BCD2DEC(bcd) HornerScheme(bcd, 0x10, 10)
#endif
# define DEC2BCD(dec) HornerScheme(dec, 10, 0x10)
#endif
+// used for save/load files
+#ifndef FILE_PATH_SIZE
+# define FILE_PATH_SIZE 1000
+#endif
+
+#ifndef ARRAYLEN
+# define ARRAYLEN(x) (sizeof(x)/sizeof((x)[0]))
+#endif
+
int ukbhit(void);
void AddLogLine(char *fileName, char *extData, char *c);