Add emulate constants and machine state, w/ T

src/decode.c

@@ -3,8 +3,6 @@
 #include <stdlib.h>
 #include "decode.h"
 
-#define BYTE_BITS 8
-
 // Retrieve the bits between positions 'lsb' (inclusive) and 'msb' (exclusive) from a given word 
 // as a new zero-extended word.
 static word getBits(word wrd, uint8_t lsb, uint8_t msb) {

src/emulator.h

@@ -0,0 +1,24 @@
+#include "global.h"
+
+/************************************
+ * DEFINITIONS
+ ************************************/
+ #define BYTE_BITS 8
+
+/************************************
+ * STRUCTS
+ ************************************/
+ 
+typedef struct {
+    bool Negative;
+    bool Zero;
+    bool Carry;
+    bool Overflow;
+} PState;
+
+typedef struct {
+    word registers[REGISTER_COUNT];
+    word pc;
+    byte memory[MEMORY_SIZE];
+    PState conditionCodes;
+} Machine;