diff --git a/src/interpreter/computer.rs b/src/interpreter/computer.rs
index 1d7e0ec..eaa6db4 100644
--- a/src/interpreter/computer.rs
+++ b/src/interpreter/computer.rs
@@ -497,7 +497,7 @@ pub enum CarryUsage {
 
 impl fmt::Display for Computer {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{} {} {}", self.regs, self.sregs, self.flags)
+        write!(f, "{} {}", self.regs, self.flags)
     }
 }
 
diff --git a/src/interpreter/register.rs b/src/interpreter/register.rs
index d00ac40..3307c07 100644
--- a/src/interpreter/register.rs
+++ b/src/interpreter/register.rs
@@ -99,7 +99,7 @@ impl fmt::Display for Register {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(
             f,
-            "AX({}) BX({}) CX({}) DX({}) SP({:04x}) BP({:04x}) SI({:04x}) DI({:04x})",
+            "{} {} {} {} {:04x} {:04x} {:04x} {:04x}",
             self.ax, self.bx, self.cx, self.dx, self.sp, self.bp, self.si, self.di
         )
     }
diff --git a/src/main.rs b/src/main.rs
index 34ec5af..24bbfca 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -44,15 +44,7 @@ struct Args {
 
 fn main() {
     Builder::new()
-        .format(|buf, record| {
-            writeln!(
-                buf,
-                "{} {}: {}",
-                record.target(),
-                record.level(),
-                record.args()
-            )
-        })
+        .format(|buf, record| writeln!(buf, "{}: {}", record.level(), record.args()))
         .parse_default_env()
         .init();