Implemented something like a console (still WIP).

targets/_any/include/os/tools/ringbuffer.hpp

@@ -19,6 +19,14 @@ private:
 public:
     [[nodiscard]] bool full() const noexcept { return mBufferedElements == SIZE; }
     [[nodiscard]] bool empty() const noexcept { return mBufferedElements == 0; }
+    [[nodiscard]] std::size_t size() const noexcept { return mBufferedElements; }
+
+    [[nodiscard]] T& operator[](std::size_t index) noexcept { return at(index); }
+    [[nodiscard]] const T& operator[](std::size_t index) const noexcept { return at(index); }
+
+    [[nodiscard]] T& at(std::size_t index) noexcept { return mElements[(index + mPosition) % SIZE]; }
+    [[nodiscard]] const T& at(std::size_t index) const noexcept { return mElements[(index + mPosition) % SIZE]; }
+
     bool append(T element) noexcept
     {
         if (full()) {
@@ -29,6 +37,7 @@ public:
         mPosition = (mPosition + 1) % SIZE;
         return true;
     }
+
     bool next(T& outElement) noexcept
     {
         if (empty()) {

targets/_any/include/os/tty.hpp

@@ -4,6 +4,7 @@
 #if !defined(OS_TTY_HPP_INCLUDED)
 #define OS_TTY_HPP_INCLUDED 1
 
+#include <string>
 #include <stddef.h>
 #include <stdint.h>
 
@@ -39,9 +40,12 @@ void initialize() noexcept;
 void setColor(VgaDoubleColor color) noexcept;
 void putEntryAt(char chr, VgaDoubleColor color, size_t posX, size_t posY) noexcept;
 void putChar(char chr) noexcept;
+void deleteChar() noexcept;
 void write(const char* data, size_t size) noexcept;
 void write(const char* data) noexcept;
 
+[[nodiscard]] const std::string& readLine() noexcept;
+
 bool setPSFFont(const void* data, size_t length) noexcept;
 } // namespace tty