diff --git a/Cargo.lock b/Cargo.lock
index 266ce2f..a53f851 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,22 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "ab_glyph"
-version = "0.2.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01c0457472c38ea5bd1c3b5ada5e368271cb550be7a4ca4a0b4634e9913f6cc2"
-dependencies = [
- "ab_glyph_rasterizer",
- "owned_ttf_parser",
-]
-
-[[package]]
-name = "ab_glyph_rasterizer"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "366ffbaa4442f4684d91e2cd7c5ea7c4ed8add41959a31447066e279e432b618"
-
 [[package]]
 name = "ahash"
 version = "0.8.12"
@@ -1107,15 +1091,6 @@ dependencies = [
  "libredox",
 ]
 
-[[package]]
-name = "owned_ttf_parser"
-version = "0.25.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36820e9051aca1014ddc75770aab4d68bc1e9e632f0f5627c4086bc216fb583b"
-dependencies = [
- "ttf-parser",
-]
-
 [[package]]
 name = "parking_lot"
 version = "0.12.5"
@@ -1378,12 +1353,6 @@ dependencies = [
  "winapi-util",
 ]
 
-[[package]]
-name = "scoped-tls"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
-
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -1396,9 +1365,7 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6277f0217056f77f1d8f49f2950ac6c278c0d607c45f5ee99328d792ede24ec"
 dependencies = [
- "ab_glyph",
  "log",
- "memmap2",
  "smithay-client-toolkit",
  "tiny-skia",
 ]
@@ -1645,12 +1612,6 @@ version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db97caf9d906fbde555dd62fa95ddba9eecfd14cb388e4f491a66d74cd5fb79a"
 
-[[package]]
-name = "ttf-parser"
-version = "0.25.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2df906b07856748fa3f6e0ad0cbaa047052d4a7dd609e231c4f72cee8c36f31"
-
 [[package]]
 name = "ultraviolet"
 version = "0.9.2"
@@ -1777,7 +1738,6 @@ dependencies = [
  "cc",
  "downcast-rs",
  "rustix 1.1.4",
- "scoped-tls",
  "smallvec",
  "wayland-sys",
 ]
@@ -1828,19 +1788,6 @@ dependencies = [
  "wayland-scanner",
 ]
 
-[[package]]
-name = "wayland-protocols-plasma"
-version = "0.3.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d392fc283a87774afc9beefcd6f931582bb97fe0e6ced0b306a62cb1d026527c"
-dependencies = [
- "bitflags 2.11.0",
- "wayland-backend",
- "wayland-client",
- "wayland-protocols",
- "wayland-scanner",
-]
-
 [[package]]
 name = "wayland-protocols-wlr"
 version = "0.3.11"
@@ -1871,9 +1818,6 @@ version = "0.31.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "374f6b70e8e0d6bf9461a32988fd553b59ff630964924dad6e4a4eb6bd538d17"
 dependencies = [
- "dlib",
- "log",
- "once_cell",
  "pkg-config",
 ]
 
@@ -2273,10 +2217,6 @@ dependencies = [
  "unicode-segmentation",
  "wasm-bindgen",
  "wasm-bindgen-futures",
- "wayland-backend",
- "wayland-client",
- "wayland-protocols",
- "wayland-protocols-plasma",
  "web-sys",
  "web-time",
  "windows-sys 0.52.0",
diff --git a/Cargo.toml b/Cargo.toml
index d50881a..71cd995 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,5 +5,5 @@ edition = "2024"
 
 [dependencies]
 pixels = "0.15.0"
-winit = "0.30.13"
+winit = { version = "0.30.13", default-features = false, features = ["x11", "x11-dl", "x11rb", "ahash", "bytemuck", "memmap2", "rwh_06", "sctk", "sctk-adwaita"] }
 winit_input_helper = "0.17.0"
diff --git a/sim_rs.tar.xz b/sim_rs.tar.xz
index 1a6b2d4..1a541dd 100644
Binary files a/sim_rs.tar.xz and b/sim_rs.tar.xz differ
diff --git a/src/cpu.rs b/src/cpu.rs
index 1304388..df556e3 100644
--- a/src/cpu.rs
+++ b/src/cpu.rs
@@ -290,11 +290,16 @@ impl<'a, 'b> Computer<'a, 'b> {
                 }
                 self.pc = (addr + self.pc as u32) as usize;
             }
-            Instruction::Call(addr) => {
+            Instruction::Call(mut addr) => {
                 self.sp -= 1;
                 self.ram[self.sp] = ((self.pc << 2) + 4) as u32;
-                self.pc += addr as usize;
-                self.pc &= 0x3FFFFFFF; //wrapping on 30 bit pc
+                
+                if addr & (1 << 28) != 0 {
+                    addr += 7 << 29;
+                } else if unlikely(addr == 0) {
+                    sleep(Duration::from_hours(1));
+                }
+                self.pc = (addr + self.pc as u32) as usize;
             }
             Instruction::Ret() => {
                 self.pc = (self.ram[self.sp] >> 2) as usize;
diff --git a/src/main.rs b/src/main.rs
index 996be20..7d0fbba 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,6 +12,7 @@ use pixels::{Error, Pixels, SurfaceTexture};
 use winit::dpi::LogicalSize;
 use winit::event::{Event, WindowEvent};
 use winit::event_loop::EventLoop;
+use winit::platform::modifier_supplement::KeyEventExtModifierSupplement;
 use winit::platform::scancode::PhysicalKeyExtScancode;
 use winit::window::Window;
 use winit_input_helper::WinitInputHelper;
@@ -89,7 +90,7 @@ fn main() -> Result<(), Error> {
                         match event.state {
                             winit::event::ElementState::Pressed => {
                                 if let Some(val) = event.physical_key.to_scancode() {
-                                    kbref.store(val, std::sync::atomic::Ordering::Relaxed);
+                                    kbref.store(val + 8, std::sync::atomic::Ordering::Relaxed);
                                 }
                             }
                             winit::event::ElementState::Released => {