X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fvend.h;h=f2f710647e236f2d37378f4383bf09530a569437;hb=HEAD;hp=460aa71169a3291e8805f19e69696185701f8f2f;hpb=f5bc521c83d95d35e852747402a44d1411252c2b;p=uccvend-snackrom.git

diff --git a/ROM2/vend.h b/ROM2/vend.h
index 460aa71..f2f7106 100644
--- a/ROM2/vend.h
+++ b/ROM2/vend.h
@@ -27,14 +27,33 @@ extern volatile u8 _home_sensors;
 #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);
 void my_strncpy(char* dst, char* src, u8 max_size); /* for null-term strings */
 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 */