Starting point for MCS-4 emulation and MOS 6502 inheritance

src/systems/intel_mcs_4.rs

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+use std::thread;
+use std::time::Duration;
+use crate::Component;
+use crate::components::clock::generic_clock::GenericClock;
+use crate::components::cpu::intel_4004::Intel4004;
+
+fn emulation() {
+    println!("Starting MCS-4 emulation with pin state resolution...");
+
+    // Create components
+    let mut clock = GenericClock::new("sys_clock".to_string(), 2); // 2Hz clock
+    let mut cpu = Intel4004::new("cpu4004".to_string());
+
+    // Connect clock to CPU using the connection macro
+    if let (Some(clock_out), Some(cpu_clk)) = (clock.out(), cpu.clk()) {
+        connect_pin!(&clock_out, &cpu_clk);
+        println!("Connected clock to CPU");
+    }
+
+    // Start components
+    clock.run();
+    cpu.run();
+
+    // Let it run for a while
+    thread::sleep(Duration::from_secs(5));
+
+    // Stop components
+    clock.stop();
+    cpu.stop();
+
+    println!("Emulation completed");
+}

src/systems/mod.rs

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+mod intel_mcs_4;