extern inline void bset_##a(const u8 m) { bset(&a, m); *_##a = a; } \
extern inline void bclr_##a(const u8 m) { bclr(&a, m); *_##a = a; }
-buffered_addr(switch_input);
-buffered_addr(misc_input);
-buffered_addr(home_sensors);
buffered_addr(changer_output);
buffered_addr(misc_output);
-extern inline void spi_enable() { bset((void*)&_io_ports[M6811_SPCR], M6811_SPE); }
-extern inline void spi_disable() { bclr((void*)&_io_ports[M6811_SPCR], M6811_SPE); }
+extern volatile u8 _switch_input;
+#define switch_input _switch_input
+extern volatile u8 _misc_input;
+#define misc_input _misc_input
+extern volatile u8 _home_sensors;
+#define home_sensors _home_sensors
/******* from helpers.c *******/
void delay(u16 ms);
+void print_amount(u16 amt);
/******** Some meaningful bits ******/
#define PORTA_DISP_RESET 0x80 /* active low */
#define PORTA_CHIME 0x10 /* chime is on when set */
#define PORTD_KEYPAD_ROW 0x20 /* clear for row 0, set for row 1 */
+/* Address 1800 bits */
+#define A1800_DOOR_OPEN 0x20
+
/* Address 3800 bits */
#define A3800_DISPLAY_WRITE 0x04
int __attribute__((noreturn)) main (void);
void __attribute__((interrupt)) rti (void);
+/* other one liners */
+extern inline bool door_open() { return switch_input & A1800_DOOR_OPEN; }
+extern inline void spi_enable() { bset((void*)&_io_ports[M6811_SPCR], M6811_SPE); }
+extern inline void spi_disable() { bclr((void*)&_io_ports[M6811_SPCR], M6811_SPE); }
+
#endif /* _VEND_H_ */