1 files changed, 15 insertions, 0 deletions
diff --git a/src/instruction/instruction.rs b/src/instruction/instruction.rs
new file mode 100644
index 0000000..2779023
--- /dev/null
+++ b/src/instruction/instruction.rs
@@ -0,0 +1,15 @@
+use crate::rv32_cpu::rv32_cpu::State;
+use std::error::Error;
+use std::fmt::Debug;
+
+#[derive(Debug, Clone, Hash, PartialEq, Eq)]
+pub struct Opcode {
+    pub opcode6_2: u32,
+    pub opcode14_12: Option<u32>,
+    pub opcode31_27: Option<u32>,
+}
+
+pub trait Instruction: Debug {
+    fn opcode(&self) -> Opcode;
+    fn execute(&self, instruction: u32, cpu: &mut State) -> Result<(), Box<dyn Error>>;
+}