Clean up console

src/hulk/console.d

@@ -8,17 +8,30 @@ import hulk.kfont;
 
 struct console
 {
+    /** Console width in text columns. */
     private static __gshared size_t m_width;
+
+    /** Console height in text rows. */
     private static __gshared size_t m_height;
+
+    /** Current console cursor X position. */
     private static __gshared size_t m_x;
+
+    /** Current console cursor Y position. */
     private static __gshared size_t m_y;
 
+    /**
+     * Initialize the console.
+     */
     public static void initialize()
     {
         m_width = fb.width / kfont.advance;
         m_height = fb.height / kfont.line_height;
     }
 
+    /**
+     * Clear the console.
+     */
     public static void clear()
     {
         fb.clear();
@@ -26,6 +39,11 @@ struct console
         m_y = 0u;
     }
 
+    /**
+     * Write a character to the console.
+     *
+     * @param ch Character to write.
+     */
     public static void write(char ch)
     {
         if (ch == '\n')
@@ -53,17 +71,30 @@ struct console
         }
     }
 
+    /**
+     * Render a character.
+     *
+     * @param x X position.
+     * @param y Y position.
+     * @param ch Character to render.
+     */
     private static void render_char(size_t x, size_t y, char ch)
     {
         const(CharInfo) * ci = &kfont.chars[ch];
         fb.blit_alpha_bitmap(fb_x(x) + ci.left, fb_y(y) + ci.top - ci.height, ci.bitmap, ci.width, ci.height);
     }
 
+    /**
+     * Get the framebuffer X coordinate corresponding to the console X position.
+     */
     private static size_t fb_x(size_t x)
     {
         return x * kfont.advance;
     }
 
+    /**
+     * Get the framebuffer Y coordinate corresponding to the console Y position.
+     */
     private static size_t fb_y(size_t y)
     {
         return fb.height - ((y + 1u) * kfont.line_height);