Start to display BIOS information

include/PSX/System/syscalls.hpp

@@ -55,6 +55,14 @@ namespace JabyEngine {
         };
         #pragma pack(pop)
 
+        struct BIOSVersion {
+            uint32_t    date_bcd;
+            const char* kernel_maker;
+            const char* gui_version;
+        };
+
+        BIOSVersion get_bios_version();
+
         #define __syscall_function_cast(table, ...) reinterpret_cast<__VA_ARGS__>(table)
 
         static __always_inline void* memcpy(void *dst, const void *src, size_t len) {

include/PSX/Timer/frame_timer.hpp

@@ -27,6 +27,13 @@ namespace JabyEngine {
     public:
         constexpr SimpleTimer() = default;
 
+        static SimpleTimer create() {
+            SimpleTimer timer;
+
+            timer.reset();
+            return timer;
+        }
+
         bool is_expired_for(T time) const {
             return static_cast<T>((MasterTime::read_as<T>() - this->value)) >= time;
         }
@@ -46,6 +53,14 @@ namespace JabyEngine {
         constexpr IntervalTimer(T interval) : SimpleTimer<T>(), interval(interval) {
         }
 
+        static constexpr IntervalTimer create(T interval) {
+            IntervalTimer timer;
+
+            static_cast<SimpleTimer<T>&>(timer) = SimpleTimer<T>::create();
+            timer.interval = interval;
+            return timer;
+        }
+
         void set_interval(T interval) {
             this->interval = interval;
         }

include/string.h

@@ -0,0 +1,9 @@
+#ifndef __STRING__H
+#define __STRING__H
+#include "PSX/jabyengine_defines.h"
+
+START_C_FUNCTIONS
+    size_t strlen(const char* str);
+END_C_FUNCTIONS
+
+#endif // !__STRING__H