diff --git a/hbvm/src/bytecode/mod.rs b/hbvm/src/bytecode/mod.rs
index 414c60d..73d0687 100644
--- a/hbvm/src/bytecode/mod.rs
+++ b/hbvm/src/bytecode/mod.rs
@@ -1,2 +1,39 @@
-pub mod ops;
-pub mod types;
+mod validate;
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+#[repr(u8)]
+pub enum Instruction {
+    Nop = 0,
+    Add(Register, Register, Register),
+    Sub(Register, Register, Register) = 2,
+    Mul(Register, Register, Register) = 3,
+    Div(Register, Register, Register) = 4,
+    Mod(Register, Register, Register) = 5,
+
+    And(Register, Register, Register) = 6,
+    Or(Register, Register, Register) = 7,
+    Xor(Register, Register, Register) = 8,
+    Not(Register, Register) = 9,
+
+    Li(Register, u64) = 10,
+    Ld(Register, u64) = 15,
+    St(Register, u64) = 16,
+    
+    MapPage = 17,
+    UnmapPage = 18,
+
+    Jmp = 100,
+    JumpCond = 101,
+    Ret = 103,
+    Ecall = 255,
+}
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+#[repr(u8)]
+#[rustfmt::skip]
+pub enum Register {
+    X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20,
+    X21, X22, X23, X24, X25, X26, X27, X28, X29, X30, X31, X32, X33, X34, X35, X36, X37, X38, X39,
+    X40, X41, X42, X43, X44, X45, X46, X47, X48, X49, X50, X51, X52, X53, X54, X55, X56, X57, X58,
+    X59,
+}
diff --git a/hbvm/src/bytecode/ops.rs b/hbvm/src/bytecode/ops.rs
deleted file mode 100644
index 2b23ae8..0000000
--- a/hbvm/src/bytecode/ops.rs
+++ /dev/null
@@ -1,68 +0,0 @@
-#[repr(u8)]
-pub enum Operations {
-    NOP = 0,
-
-    ADD = 1,
-    SUB = 2,
-    MUL = 3,
-    DIV = 4,
-    MOD = 5,
-
-    AND = 6,
-    OR = 7,
-    XOR = 8,
-    NOT = 9,
-
-    // LOADs a memory address/constant into a register
-    LOAD = 15,
-    // STOREs a register/constant into a memory address
-    STORE = 16,
-
-    MapPage = 17,
-    UnmapPage = 18,
-
-    // SHIFT LEFT 16 A0
-    Shift = 20,
-
-    JUMP = 100,
-    JumpCond = 101,
-    RET = 103,
-
-    EnviromentCall = 255,
-}
-
-pub enum PageMapTypes {
-    // Have the host make a new VMPage
-    VMPage = 0,
-    // Ask the host to map a RealPage into memory
-    RealPage = 1,
-}
-
-pub enum MathOpSubTypes {
-    Unsigned = 0,
-    Signed = 1,
-    FloatingPoint = 2,
-}
-
-pub enum MathOpSides {
-    RegisterConstant = 0,
-    RegisterRegister = 1,
-    ConstantConstant = 2,
-    ConstantRegister = 3,
-}
-
-pub enum RWSubTypes {
-    AddrToReg = 0,
-    RegToAddr,
-    ConstToReg,
-    ConstToAddr,
-}
-
-pub enum JumpConditionals {
-    Equal = 0,
-    NotEqual = 1,
-    LessThan = 2,
-    LessThanOrEqualTo = 3,
-    GreaterThan = 4,
-    GreaterThanOrEqualTo = 5,
-}
diff --git a/hbvm/src/bytecode/types.rs b/hbvm/src/bytecode/types.rs
deleted file mode 100644
index 1e98c23..0000000
--- a/hbvm/src/bytecode/types.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-
-pub const CONST_U8: u8 = 0x00;
-pub const CONST_I8: i8 = 0x01;
-
-pub const CONST_U64: u8 = 0x02;
-pub const CONST_I64: u8 = 0x03;
-pub const CONST_F64: u8 = 0x04;
-
-pub const ADDRESS: u8 = 0x05;
diff --git a/hbvm/src/bytecode/validate.rs b/hbvm/src/bytecode/validate.rs
new file mode 100644
index 0000000..e69de29
diff --git a/hbvm/src/main.rs b/hbvm/src/main.rs
index a873e57..a5462df 100644
--- a/hbvm/src/main.rs
+++ b/hbvm/src/main.rs
@@ -1,5 +1,5 @@
 use hbvm::{
-    bytecode::ops::{Operations::*},
+    bytecode::Instruction,
     engine::Engine,
     RuntimeErrors, HaltStatus,
 };
@@ -8,8 +8,6 @@ fn main() -> Result<(), RuntimeErrors> {
     // TODO: Grab program from cmdline
     #[rustfmt::skip]
         let prog: Vec<u8> = vec![
-            NOP as u8,            
-            JUMP as u8, 0, 0, 0, 0, 0, 0, 0, 0,
         ];
 
     let mut eng = Engine::new(prog);