sfr at 0xFE P1DIR;
sfr at 0xFF P2DIR;
+#define P2DIR_PRIP0_USART0_USART1 (0 << 6)
+#define P2DIR_PRIP0_USART1_USART0 (1 << 6)
+#define P2DIR_PRIP0_TIMER1_01_USART1 (2 << 6)
+#define P2DIR_PRIP0_TIMER1_2_USART0 (3 << 6)
+#define P2DIR_PRIP0_MASK (3 << 6)
+
sfr at 0x8F P0INP;
/* Select between tri-state and pull up/down