[nostalgia] Remove dynamic library usage

Will make dynamically loaded Modules impossible, but they add complexity
and really aren't that useful...

src/nostalgia/core/sdl/gfx.cpp

@@ -194,6 +194,12 @@ void draw(Context *ctx) {
 	SDL_RenderPresent(id->renderer);
 }
 
+void puts(Context *ctx, int column, int row, const char *str) {
+	for (int i = 0; str[i]; i++) {
+		setTile(ctx, 0, column + i, row, static_cast<uint8_t>(charMap[static_cast<int>(str[i])]));
+	}
+}
+
 void setTile(Context *ctx, int layer, int column, int row, uint8_t tile) {
 	auto id = ctx->implData<SdlImplData>();
 	auto z = static_cast<unsigned>(layer);