#define JTAGSTATE_ARM 0 // bit 4 on dbg status reg is low
#define JTAGSTATE_THUMB 1
-unsigned char current_chain;
+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;
//JTAGARM7TDMI commands
-#define JTAGARM7_RESETTARGET 0x86
#define JTAGARM7_GET_REGISTER 0x87
#define JTAGARM7_SET_REGISTER 0x88
#define JTAGARM7_DEBUG_INSTR 0x89