+/* Color defines */
+#define COLOR_BLACK 0x00
+#define COLOR_WHITE 0x01
+#define COLOR_RED 0x02
+#define COLOR_CYAN 0x03
+#define COLOR_VIOLET 0x04
+#define COLOR_PURPLE COLOR_VIOLET
+#define COLOR_GREEN 0x05
+#define COLOR_BLUE 0x06
+#define COLOR_YELLOW 0x07
+#define COLOR_ORANGE 0x08
+#define COLOR_BROWN 0x09
+#define COLOR_LIGHTRED 0x0A
+#define COLOR_GRAY1 0x0B
+#define COLOR_GRAY2 0x0C
+#define COLOR_LIGHTGREEN 0x0D
+#define COLOR_LIGHTBLUE 0x0E
+#define COLOR_GRAY3 0x0F
+
+/* TGI color defines */
+#define TGI_COLOR_BLACK COLOR_BLACK
+#define TGI_COLOR_WHITE COLOR_WHITE
+#define TGI_COLOR_RED COLOR_RED
+#define TGI_COLOR_CYAN COLOR_CYAN
+#define TGI_COLOR_VIOLET COLOR_VIOLET
+#define TGI_COLOR_PURPLE COLOR_PURPLE
+#define TGI_COLOR_GREEN COLOR_GREEN
+#define TGI_COLOR_BLUE COLOR_BLUE
+#define TGI_COLOR_YELLOW COLOR_YELLOW
+#define TGI_COLOR_ORANGE COLOR_ORANGE
+#define TGI_COLOR_BROWN COLOR_BROWN
+#define TGI_COLOR_LIGHTRED COLOR_LIGHTRED
+#define TGI_COLOR_GRAY1 COLOR_GRAY1
+#define TGI_COLOR_GRAY2 COLOR_GRAY2
+#define TGI_COLOR_LIGHTGREEN COLOR_LIGHTGREEN
+#define TGI_COLOR_LIGHTBLUE COLOR_LIGHTBLUE
+#define TGI_COLOR_GRAY3 COLOR_GRAY3
+
+/* Masks for joy_read */
+#define JOY_UP_MASK 0x01
+#define JOY_DOWN_MASK 0x02
+#define JOY_LEFT_MASK 0x04
+#define JOY_RIGHT_MASK 0x08
+#define JOY_BTN_1_MASK 0x10