simX refactoring

simX/types.h

@@ -1,20 +1,18 @@
 #pragma once
 
 #include <stdint.h>
+#include <bitset>
 #include <VX_config.h>
 
 namespace vortex {
 
 typedef uint8_t  Byte;
 typedef uint32_t Word;
-typedef uint32_t Word_u;
-typedef int32_t  Word_s;
 
-typedef Word_u   Addr;
-typedef Word_u   Size;
+typedef uint32_t Addr;
+typedef uint32_t Size;
 
-typedef unsigned RegNum;
-typedef unsigned ThdNum;
+typedef std::bitset<32> ThreadMask;
 
 enum MemFlags {
   RD_USR = 1,