From d011b257bacb80eb0ee1d0ab59379158491a18ff Mon Sep 17 00:00:00 2001
From: BlackDemonFire <lucy@amogus.cloud>
Date: Tue, 24 Jan 2023 11:32:52 +0100
Subject: [PATCH] apply cargo formatting, inline format macro, fix instructions
 for 0xb0-0xbf

---
 bacon.toml             | 73 ++++++++++++++++++++++++++++++++++++++++++
 src/decompiler/main.rs | 27 ++++++++++------
 2 files changed, 90 insertions(+), 10 deletions(-)
 create mode 100644 bacon.toml

diff --git a/bacon.toml b/bacon.toml
new file mode 100644
index 0000000..7e04525
--- /dev/null
+++ b/bacon.toml
@@ -0,0 +1,73 @@
+# This is a configuration file for the bacon tool
+#
+# Bacon repository: https://github.com/Canop/bacon
+# Complete help on configuration: https://dystroy.org/bacon/config/
+
+default_job = "check"
+
+[jobs]
+
+[jobs.check]
+command = ["cargo", "check", "--color", "always"]
+need_stdout = false
+
+[jobs.check-all]
+command = ["cargo", "check", "--all-targets", "--color", "always"]
+need_stdout = false
+watch = ["tests", "benches", "examples"]
+
+[jobs.clippy]
+command = [
+    "cargo",
+    "clippy",
+    "--color",
+    "always",
+    "--",
+    "-W",
+    "clippy::pedantic",
+]
+need_stdout = false
+
+[jobs.clippy-all]
+command = ["cargo", "clippy", "--all-targets", "--color", "always"]
+need_stdout = false
+watch = ["tests", "benches", "examples"]
+
+[jobs.test]
+command = ["cargo", "test", "--color", "always"]
+need_stdout = true
+watch = ["tests"]
+
+[jobs.doc]
+command = ["cargo", "doc", "--color", "always", "--no-deps"]
+need_stdout = false
+
+# If the doc compiles, then it opens in your browser and bacon switches
+# to the previous job
+[jobs.doc-open]
+command = ["cargo", "doc", "--color", "always", "--no-deps", "--open"]
+need_stdout = false
+on_success = "back"                                                    # so that we don't open the browser at each change
+
+# You can run your application and have the result displayed in bacon,
+# *if* it makes sense for this crate. You can run an example the same
+# way. Don't forget the `--color always` part or the errors won't be
+# properly parsed.
+# If you want to pass options to your program, a `--` separator
+# will be needed.
+[jobs.run]
+command = ["cargo", "run", "--color", "always"]
+need_stdout = true
+allow_warnings = true
+
+# You may define here keybindings that would be specific to
+# a project, for example a shortcut to launch a specific job.
+# Shortcuts to internal functions (scrolling, toggling, etc.)
+# should go in your personal prefs.toml file instead.
+[keybindings]
+a = "job:check-all"
+i = "job:initial"
+c = "job:clippy"
+d = "job:doc-open"
+t = "job:test"
+r = "job:run"
diff --git a/src/decompiler/main.rs b/src/decompiler/main.rs
index 926470e..6544d47 100644
--- a/src/decompiler/main.rs
+++ b/src/decompiler/main.rs
@@ -1,11 +1,15 @@
-use std::{env, fs};
+#![allow(clippy::useless_format)]
+#![allow(clippy::too_many_lines)]
 use core::slice::Iter;
+use std::{env, fs};
 
-const REGISTERS: [&str; 8] = [ "B", "C", "D", "E", "H", "L", "M", "A" ];
+const REGISTERS: [&str; 8] = ["B", "C", "D", "E", "H", "L", "M", "A"];
 
 fn main() {
     let mut args = env::args();
-    let filename = args.nth(1).expect("Provide a path to a file to disassemble as an argument");
+    let filename = args
+        .nth(1)
+        .expect("Provide a path to a file to disassemble as an argument");
     let file = fs::read(filename).expect("where file");
     let mut data = file.iter();
 
@@ -14,10 +18,13 @@ fn main() {
             let mut res = String::new();
 
             for _ in 0..len {
-                res.insert_str(0, format!("{:x}", data.next().expect("Expected data")).as_str());
+                res.insert_str(
+                    0,
+                    format!("{:x}", data.next().expect("Expected data")).as_str(),
+                );
             }
 
-            return res;
+            res
         }
 
         // http://www.emulator101.com/reference/8080-by-opcode.html
@@ -82,7 +89,7 @@ fn main() {
             0x3f => format!("CMC"),
             0x76 => format!("HLT             ; Trigger interrupt"),
             0x40..=0x7f // Test this!
-                 => format!("MOV    {},{}", REGISTERS[(byte & 0b111000) as usize >> 3], REGISTERS[(byte & 0b111) as usize]),
+                 => format!("MOV    {},{}", REGISTERS[(byte & 0b11_1000) as usize >> 3], REGISTERS[(byte & 0b111) as usize]),
             0x80..=0x87
                  => format!("ADD    {}", REGISTERS[(byte & 0b111) as usize]),
             0x88..=0x8f
@@ -96,9 +103,9 @@ fn main() {
             0xa8..=0xaf
                  => format!("XRA    {}", REGISTERS[(byte & 0b111) as usize]),
             0xb0..=0xb7
-                 => format!("ANA    {}", REGISTERS[(byte & 0b111) as usize]),
+                 => format!("ORA    {}", REGISTERS[(byte & 0b111) as usize]),
             0xb8..=0xbf
-                 => format!("XRA    {}", REGISTERS[(byte & 0b111) as usize]),
+                 => format!("CMP    {}", REGISTERS[(byte & 0b111) as usize]),
             0xc0 => format!("RNZ"),
             0xc1 => format!("POP    B"),
             0xc2 => format!("JNZ    ${}", next(&mut data, 2)),
@@ -158,9 +165,9 @@ fn main() {
             0xfc => format!("CM     ${}", next(&mut data, 2)),
             0xfe => format!("CPI    #0x{}", next(&mut data, 1)),
             0xff => format!("RST    7        ; CALL $38"),
-            _ => panic!("Unimplemented instruction {:#x}", byte),
+            _ => panic!("Unimplemented instruction {byte:#x}"),
         };
 
-        println!("{}", instruction);
+        println!("{instruction}");
     }
 }