-unsigned long last_instr = -1;
-unsigned char last_sysstate = 0;
-unsigned char last_ir = -1;
-unsigned char last_scanchain = -1;
-unsigned char tapstate = 15;
-unsigned char current_dbgstate = -1;
-//unsigned char last_halt_debug_state = -1;
-//unsigned long last_halt_pc = -1;
-
-