From 8889bd84ac05394e2612fe4d4ada605efe2dff36 Mon Sep 17 00:00:00 2001
From: Murad Karammaev <muradkarammaev@gmail.com>
Date: Sun, 14 Aug 2022 03:33:41 +0300
Subject: [PATCH] add 'print_opcodes' binary

---
 Makefile                               | 8 ++++++++
 toy_cpu_4bit/Cargo.toml                | 3 +++
 toy_cpu_4bit/examples/print_opcodes.rs | 7 +++++++
 3 files changed, 18 insertions(+)
 create mode 100644 toy_cpu_4bit/examples/print_opcodes.rs

diff --git a/Makefile b/Makefile
index b5a0e80..5fdfdf9 100644
--- a/Makefile
+++ b/Makefile
@@ -15,3 +15,11 @@ unit-tests:
 
 acceptance-tests: build
 	@acceptance-tests/main.py
+
+
+# Examples
+
+.PHONY: print_opcodes
+
+print_opcodes:
+	@cargo run --example print_opcodes
diff --git a/toy_cpu_4bit/Cargo.toml b/toy_cpu_4bit/Cargo.toml
index 902c4cd..fd4a9de 100644
--- a/toy_cpu_4bit/Cargo.toml
+++ b/toy_cpu_4bit/Cargo.toml
@@ -7,3 +7,6 @@ edition = "2021"
 ux = "0.1.3"
 regex = "1.5.4"
 lazy_static = "1.4.0"
+
+[[example]]
+name = "print_opcodes"
diff --git a/toy_cpu_4bit/examples/print_opcodes.rs b/toy_cpu_4bit/examples/print_opcodes.rs
new file mode 100644
index 0000000..bd7ebe1
--- /dev/null
+++ b/toy_cpu_4bit/examples/print_opcodes.rs
@@ -0,0 +1,7 @@
+use toy_cpu_4bit::instruction::decode;
+
+fn main() {
+    for i in 0..=255 {
+        println!("{:#04X}\t{:#010b}\t{:?}", i, i, decode(i));
+    }
+}