Implement MUL

src/instructions.rs

@@ -8,6 +8,7 @@
 mod macros;
 
 mod rvi;
+mod rvm;
 
 use crate::{
     core::Core,
@@ -31,6 +32,7 @@ pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Result<(), E
             // OP
             (0b000, 0b0000000) => rvi::add(core, instr),
             (0b000, 0b0100000) => rvi::sub(core, instr),
+            (0b000, 0b0000001) => rvm::mul(core, instr),
             (0b010, 0b0000000) => rvi::slt(core, instr),
             (0b011, 0b0000000) => rvi::sltu(core, instr),
             (0b001, 0b0000000) => rvi::sll(core, instr),

src/instructions/rvm.rs

@@ -0,0 +1,9 @@
+// Copyright (c) 2025 taitep
+// SPDX-License-Identifier: BSD-2-Clause
+//
+// This file is part of TRVE (https://gitea.taitep.se/taitep/trve)
+// See LICENSE file in the project root for full license text.
+//
+use crate::{core::Core, decode::Instruction, exceptions::Exception};
+
+instr_op_r!(mul, u64::wrapping_mul);