Sketch Timer and implement Interrupt support

src/Library/src/BootLoader/timer_boot.cpp

@@ -6,9 +6,9 @@ namespace JabyEngine {
             // Just testing around
             static constexpr auto wuff = CounterMode::with(CounterMode::IRQAtMax, Counter0::SyncMode::Zero_At_Hblank);
 
-            timer[0].counter_mode = wuff;
-            timer[0].counter_mode = wuff;
-            timer[0].counter_mode = wuff;
+            Counter[0].mode = wuff;
+            Counter[0].mode = wuff;
+            Counter[0].mode = wuff;
         }
     }
 }

src/Library/src/Timer/timer.cpp

@@ -0,0 +1,28 @@
+#define private public
+#include <PSX/System/IOPorts/interrupt_io.hpp>
+#include <PSX/System/syscalls.h>
+#include <PSX/Timer/timer.hpp>
+#undef private
+
+namespace JabyEngine {
+    size_t GlobalTime :: global_counter = 0;
+
+    namespace Timer {
+        uint32_t interrupt_verifier() {
+            const auto irq_status = Interrupt::Status.read();
+
+            if(irq_status.is_bit_set(Interrupt::Timer0)) {
+                return ExecuteHandler;
+            }
+            
+            else {
+                return SkipHandler;
+            }
+        }
+
+        uint32_t interrupt_handler(uint32_t) {
+            GlobalTime::global_counter++;
+            return 0;
+        }
+    }
+}