BL_BASE           528 transcode.c    #define BL_MIN_BYTE     (BL_BASE[0])
BL_BASE           529 transcode.c    #define BL_MAX_BYTE     (BL_BASE[1])
BL_BASE           530 transcode.c    #define BL_OFFSET(byte) (BL_BASE[2+(byte)-BL_MIN_BYTE])