instruction decoding

src/emu.h

@@ -6,22 +6,15 @@
 #include "memory.h"
 
 // -- TYPES -- //
-typedef enum {
-    REG_A, REG_B, REG_C,
-
-    REG_X, REG_Y, REG_Z,
-    REG_R,
-
-    REG_PC, REG_IHP, REG_SP, REG_F,
-
-    REG_MAX // all registers should come before this one, this is so we can
-            // automatically know the length of the registers array
-} Register;
-
 typedef struct {
     uint16_t regs[REG_MAX];
     Memory* mem;
+
+    uint32_t pc;
+    uint32_t ihp;
+    uint32_t sp;
 } Emulator;
 
 // -- FUNCTIONS -- //
-Emulator* initEmulator(uint32_t memorySize);
+Emulator* initEmulator(uint32_t memorySize);
+void freeEmulator(Emulator* emu);