#define home_sensors _home_sensors
#define is_standalone() (misc_input & 0x01) /* DIP sw 1 */
+#define must_verify() (misc_input & 0x02) /* DIP sw 2 */
+#define cant_poke() (misc_input & 0x04) /* DIP sw 3 */
extern u16 _stack;
+extern char _nvram[]; /* 2048 bytes of nvram! */
+// uncomment for testing.
+//char _nvram[20];
+/* NVRAM map:
+ *
+ * START LEN
+ * 0x800 0x02 mic.h - current challenge
+ * 0x802 0x10 mic.h - current secret password
+ * 0x812
+ *
+ */
/******* from helpers.c *******/
void delay(u16 ms);
bool my_strncmp(char* a, char* b, u8 len);
void my_memcpy(char* dst, char* src, u8 size);
void my_memset(char* dst, u8 val, u16 count);
+char* u82hex(u8 a);
+u8 hex2u8(char msb, char lsb);
+char nibble2hexchar(u8 b);
+u8 hexchar2u8(char b);
+bool ishex(char b);
/******** Some meaningful bits ******/
#define PORTA_CHIME 0x10 /* chime is on when set */