diff --git a/core/src/opcode.rs b/core/src/opcode.rs
index c35a6ec5e..4736755c6 100644
--- a/core/src/opcode.rs
+++ b/core/src/opcode.rs
@@ -1,3 +1,5 @@
+use std::fmt;
+
 /// Opcode enum. One-to-one corresponding to an `u8` value.
 #[derive(Clone, Copy, Debug, Eq, PartialEq)]
 #[cfg_attr(
@@ -269,3 +271,158 @@ impl Opcode {
 		self.0 as usize
 	}
 }
+
+impl fmt::Display for Opcode {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+		//write!(f, "{}", "urgh...")
+		let op = match self {
+			&Opcode::STOP => "STOP",
+			&Opcode::ADD => "ADD",
+			&Opcode::MUL => "MUL",
+			&Opcode::SUB => "SUB",
+			&Opcode::DIV => "DIV",
+			&Opcode::SDIV => "SDIV",
+			&Opcode::MOD => "MOD",
+			&Opcode::SMOD => "SMOD",
+			&Opcode::ADDMOD => "ADDMOD",
+			&Opcode::MULMOD => "MULMOD",
+			&Opcode::EXP => "EXP",
+			&Opcode::SIGNEXTEND => "SIGNEXTEND",
+			&Opcode::LT => "LT",
+			&Opcode::GT => "GT",
+			&Opcode::SLT => "SLT",
+			&Opcode::SGT => "SGT",
+			&Opcode::EQ => "EQ",
+			&Opcode::ISZERO => "ISZERO",
+			&Opcode::AND => "AND",
+			&Opcode::OR => "OR",
+			&Opcode::XOR => "XOR",
+			&Opcode::NOT => "NOT",
+			&Opcode::BYTE => "BYTE",
+			&Opcode::CALLDATALOAD => "CALLDATALOAD",
+			&Opcode::CALLDATASIZE => "CALLDATASIZE",
+			&Opcode::CALLDATACOPY => "CALLDATACOPY",
+			&Opcode::CODESIZE => "CODESIZE",
+			&Opcode::CODECOPY => "CODECOPY",
+			&Opcode::SHL => "SHL",
+			&Opcode::SHR => "SHR",
+			&Opcode::SAR => "SAR",
+			&Opcode::POP => "POP",
+			&Opcode::MLOAD => "MLOAD",
+			&Opcode::MSTORE => "MSTORE",
+			&Opcode::MSTORE8 => "MSTORE8",
+			&Opcode::JUMP => "JUMP",
+			&Opcode::JUMPI => "JUMPI",
+			&Opcode::PC => "PC",
+			&Opcode::MSIZE => "MSIZE",
+			&Opcode::JUMPDEST => "JUMPDEST",
+			&Opcode::PUSH1 => "PUSH1",
+			&Opcode::PUSH2 => "PUSH2",
+			&Opcode::PUSH3 => "PUSH3",
+			&Opcode::PUSH4 => "PUSH4",
+			&Opcode::PUSH5 => "PUSH5",
+			&Opcode::PUSH6 => "PUSH6",
+			&Opcode::PUSH7 => "PUSH7",
+			&Opcode::PUSH8 => "PUSH8",
+			&Opcode::PUSH9 => "PUSH9",
+			&Opcode::PUSH10 => "PUSH10",
+			&Opcode::PUSH11 => "PUSH11",
+			&Opcode::PUSH12 => "PUSH12",
+			&Opcode::PUSH13 => "PUSH13",
+			&Opcode::PUSH14 => "PUSH14",
+			&Opcode::PUSH15 => "PUSH15",
+			&Opcode::PUSH16 => "PUSH16",
+			&Opcode::PUSH17 => "PUSH17",
+			&Opcode::PUSH18 => "PUSH18",
+			&Opcode::PUSH19 => "PUSH19",
+			&Opcode::PUSH20 => "PUSH20",
+			&Opcode::PUSH21 => "PUSH21",
+			&Opcode::PUSH22 => "PUSH22",
+			&Opcode::PUSH23 => "PUSH23",
+			&Opcode::PUSH24 => "PUSH24",
+			&Opcode::PUSH25 => "PUSH25",
+			&Opcode::PUSH26 => "PUSH26",
+			&Opcode::PUSH27 => "PUSH27",
+			&Opcode::PUSH28 => "PUSH28",
+			&Opcode::PUSH29 => "PUSH29",
+			&Opcode::PUSH30 => "PUSH30",
+			&Opcode::PUSH31 => "PUSH31",
+			&Opcode::PUSH32 => "PUSH32",
+			&Opcode::DUP1 => "DUP1",
+			&Opcode::DUP2 => "DUP2",
+			&Opcode::DUP3 => "DUP3",
+			&Opcode::DUP4 => "DUP4",
+			&Opcode::DUP5 => "DUP5",
+			&Opcode::DUP6 => "DUP6",
+			&Opcode::DUP7 => "DUP7",
+			&Opcode::DUP8 => "DUP8",
+			&Opcode::DUP9 => "DUP9",
+			&Opcode::DUP10 => "DUP10",
+			&Opcode::DUP11 => "DUP11",
+			&Opcode::DUP12 => "DUP12",
+			&Opcode::DUP13 => "DUP13",
+			&Opcode::DUP14 => "DUP14",
+			&Opcode::DUP15 => "DUP15",
+			&Opcode::DUP16 => "DUP16",
+			&Opcode::SWAP1 => "SWAP1",
+			&Opcode::SWAP2 => "SWAP2",
+			&Opcode::SWAP3 => "SWAP3",
+			&Opcode::SWAP4 => "SWAP4",
+			&Opcode::SWAP5 => "SWAP5",
+			&Opcode::SWAP6 => "SWAP6",
+			&Opcode::SWAP7 => "SWAP7",
+			&Opcode::SWAP8 => "SWAP8",
+			&Opcode::SWAP9 => "SWAP9",
+			&Opcode::SWAP10 => "SWAP10",
+			&Opcode::SWAP11 => "SWAP11",
+			&Opcode::SWAP12 => "SWAP12",
+			&Opcode::SWAP13 => "SWAP13",
+			&Opcode::SWAP14 => "SWAP14",
+			&Opcode::SWAP15 => "SWAP15",
+			&Opcode::SWAP16 => "SWAP16",
+			&Opcode::RETURN => "RETURN",
+			&Opcode::REVERT => "REVERT",
+			&Opcode::INVALID => "INVALID",
+			&Opcode::EOFMAGIC => "EOFMAGIC",
+			&Opcode::SHA3 => "SHA3",
+			&Opcode::ADDRESS => "ADDRESS",
+			&Opcode::BALANCE => "BALANCE",
+			&Opcode::SELFBALANCE => "SELFBALANCE",
+			&Opcode::BASEFEE => "BASEFEE",
+			&Opcode::ORIGIN => "ORIGIN",
+			&Opcode::CALLER => "CALLER",
+			&Opcode::CALLVALUE => "CALLVALUE",
+			&Opcode::GASPRICE => "GASPRICE",
+			&Opcode::EXTCODESIZE => "EXTCODESIZE",
+			&Opcode::EXTCODECOPY => "EXTCODECOPY",
+			&Opcode::EXTCODEHASH => "EXTCODEHASH",
+			&Opcode::RETURNDATASIZE => "RETURNDATASIZE",
+			&Opcode::RETURNDATACOPY => "RETURNDATACOPY",
+			&Opcode::BLOCKHASH => "BLOCKHASH",
+			&Opcode::COINBASE => "COINBASE",
+			&Opcode::TIMESTAMP => "TIMESTAMP",
+			&Opcode::NUMBER => "NUMBER",
+			&Opcode::DIFFICULTY => "DIFFICULTY",
+			&Opcode::GASLIMIT => "GASLIMIT",
+			&Opcode::SLOAD => "SLOAD",
+			&Opcode::SSTORE => "SSTORE",
+			&Opcode::GAS => "GAS",
+			&Opcode::LOG0 => "LOG0",
+			&Opcode::LOG1 => "LOG1",
+			&Opcode::LOG2 => "LOG2",
+			&Opcode::LOG3 => "LOG3",
+			&Opcode::LOG4 => "LOG4",
+			&Opcode::CREATE => "CREATE",
+			&Opcode::CREATE2 => "CREATE2",
+			&Opcode::CALL => "CALL",
+			&Opcode::CALLCODE => "CALLCODE",
+			&Opcode::DELEGATECALL => "DELEGATECALL",
+			&Opcode::STATICCALL => "STATICCALL",
+			&Opcode::SUICIDE => "SUICIDE",
+			&Opcode::CHAINID => "CHAINID",
+			_ => "UNKNOWNOP",
+		};
+		write!(f, "{}", op)
+	  }
+}
+
diff --git a/src/lib.rs b/src/lib.rs
index 6b1e85819..51cf252fc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,6 +8,7 @@ extern crate alloc;
 
 pub use evm_core::*;
 pub use evm_gasometer as gasometer;
+pub use evm_runtime as runtime;
 pub use evm_runtime::*;
 
 #[cfg(feature = "tracing")]