parser

src/instructions/instructions.h

@@ -5,30 +5,32 @@
 ///@returns number of bytes read
 typedef i32 (*InstructionImplFunc_t)(VM* vm);
 
+typedef enum __attribute__((__packed__)) Opcode {
+    Opcode_NOP,
+    Opcode_PUSH,
+    Opcode_MOV,
+    Opcode_ADD,
+    Opcode_SUB,
+    Opcode_MUL,
+    Opcode_DIV,
+    Opcode_MOD,
+    Opcode_SYS,
+    Opcode_EXIT,
+} Opcode;
+
 typedef struct Instruction {
     cstr name;
     InstructionImplFunc_t implementation;
+    Opcode opcode;
 } Instruction;
 
 #define Instruction_construct(NAME) {\
     .name = #NAME, \
-    .implementation = NAME##_impl \
+    .implementation = NAME##_impl, \
+    .opcode = Opcode_##NAME\
 }
 
 /// @brief get instruction info from table
 /// @param opcode any byte
 /// @return ptr to struct or NULL
-const Instruction* NULLABLE(Instruction_getFromOpcode)(u8 opcode);
-
-i32 NOP_impl(VM* vm);
-i32 PUSH_impl(VM* vm);
-i32 MOV_impl(VM* vm);
-i32 ADD_impl(VM* vm);
-i32 SUB_impl(VM* vm);
-i32 MUL_impl(VM* vm);
-i32 DIV_impl(VM* vm);
-i32 MOD_impl(VM* vm);
-i32 SYS_impl(VM* vm);
-i32 EXIT_impl(VM* vm);
-i32 JMP_impl(VM* vm);
-i32 CALL_impl(VM* vm);
+const Instruction* NULLABLE(Instruction_getFromOpcode)(Opcode opcode);