feat: add custom background rendering and speed scaling features for snake gameplay

source/game_render.cpp

@@ -1,4 +1,5 @@
 #include "game_render.h"
+#include "game_logic.h"
 
 #include <array>
 #include <cstdint>
@@ -188,6 +189,13 @@ void draw_stats(const GameState &state, RenderAssets &assets, bool internals,
       iprintf("\x1b[4;0Hx=%i\ny=%i", state.snake.front()[0],
               state.snake.front()[1]);
     }
+    const uint16_t freq_mhz = calculate_timer_freq_mhz(state);
+    const uint8_t intensity = calculate_intensity_31(state);
+    iprintf("\x1b[6;0HApples: %i   ", state.applesEaten);
+    iprintf("\x1b[7;0HSpeed: %u.%01u Hz (%u%%) ",
+            static_cast<unsigned int>(freq_mhz / 1000U),
+            static_cast<unsigned int>((freq_mhz % 1000U) / 100U),
+            static_cast<unsigned int>((static_cast<uint32_t>(intensity) * 100U) / 31U));
   }
 
   HudCache &cache = assets.hudCache;
@@ -255,6 +263,9 @@ void draw_menu(const GameState &state, RenderAssets &assets,
 
   consoleSelect(assets.bottomScreen);
   consoleClear();
+  iprintf("\x1b[10;5H* SNAKE WITH A TWIST *");
+  iprintf("\x1b[12;8Hby Phillip Kuehne");
+  iprintf("\x1b[18;4HPress START or A to begin");
 
   consoleSelect(assets.topScreen);
   consoleClear();