From 9dc01a04044b5f882bb15567818fa2a51af68691 Mon Sep 17 00:00:00 2001
From: Aleksa Vuckovic <aleksa@vuckovic.cc>
Date: Sun, 13 Apr 2025 15:22:11 +0200
Subject: Initial commit

---
 src/instruction/instruction.rs | 15 +++++++++++++++
 src/instruction/mod.rs         |  1 +
 2 files changed, 16 insertions(+)
 create mode 100644 src/instruction/instruction.rs
 create mode 100644 src/instruction/mod.rs

(limited to 'src/instruction')

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>>;
+}
diff --git a/src/instruction/mod.rs b/src/instruction/mod.rs
new file mode 100644
index 0000000..bf06da5
--- /dev/null
+++ b/src/instruction/mod.rs
@@ -0,0 +1 @@
+pub mod instruction;
\ No newline at end of file
-- 
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