var STATUS_NEW = 0; //param1 = PARAM_NOT_USED, param2 = PARAM_NOT_USED
var STATUS_SET_CHAIN = 1; //param1 = chain number, param2 = length
var STATUS_ADD_BEAD = 2; //param1 = bead number, param2 = xpos
var STATUS_UPDATE_BEAD = 3; //param1 = bead number, param2 = xpos
var STATUS_REMOVE_BEAD = 4; //param1 = bead number, param2 = PARAM_NOT_USED
var ACTION_SAVE = 5; //param1 = PARAM_NOT_USED, param2 = PARAM_NOT_USED
var ACTION_PRINT = 6; //param1 = PARAM_NOT_USED, param2 = PARAM_NOT_USED
var ACTION_DUMP_CURRENT_START = 7; //param1 = PARAM_NOT_USED, param2 = PARAM_NOT_USED
var ACTION_DUMP_CURRENT_END = 8; //param1 = PARAM_NOT_USED, param2 = PARAM_NOT_USED
var ACTION_BITMAP_DATA_END = 9; //param1 = PARAM_NOT_USED, param2 = PARAM_NOT_USED
var ACTION_RESTORE_FROM_SAVE = 10; //param1 = saved id, param2 = PARAM_NOT_USED
var PARAM_NOT_USED = -1;