/* Convert a __data pointer into an __xdata pointer */
#define DATA_TO_XDATA(a) ((void __xdata *) ((uint8_t) (a) | 0xff00))
+/* Code and xdata use the same address space */
+#define CODE_TO_XDATA(a) ((__xdata void *) ((uint16_t) (a)))
+
+/* Pdata lives at the start of xdata */
+#define PDATA_TO_XDATA(a) ((void __xdata *) ((uint8_t) (a) | 0xf000))
+
/* Stack runs from above the allocated __data space to 0xfe, which avoids
* writing to 0xff as that triggers the stack overflow indicator
*/
ao_delay(AO_SEC_TO_TICKS(2)); \
} while (0)
-#define ao_arch_nop() _asm nop _endasm
+#define ao_arch_nop() __asm nop __endasm
#define ao_arch_interrupt(n) __interrupt n
#define ao_arch_naked_declare __naked
/* Save current context */
#define ao_arch_save_regs() \
- _asm \
+ __asm \
/* Push ACC first, as when restoring the context it must be restored \
* last (it is used to set the IE register). */ \
push ACC \
push ar0 \
push ar1 \
push PSW \
- _endasm; \
+ __endasm; \
PSW = 0; \
- _asm \
+ __asm \
push _bp \
- _endasm
+ __endasm
#define ao_arch_save_stack() { \
uint8_t stack_len; \
*stack_ptr++ = *save_ptr++; \
while (--stack_len); \
\
- _asm \
+ __asm \
pop _bp \
pop PSW \
pop ar1 \
/* Finally pop off the ACC, which was the first register saved. */ \
pop ACC \
ret \
- _endasm; \
+ __endasm; \
}
#define ao_arch_critical(b) __critical { b }
#define AO_ADC_RING 32
+/* ao_button.c */
+#ifdef HAS_BUTTON
+void
+ao_p0_isr(void) ao_arch_interrupt(13);
+
+void
+ao_p1_isr(void) ao_arch_interrupt(15);
+
+void
+ao_p2_isr(void);
+
+#define HAS_P2_ISR 1
+
+#endif
+
+void
+ao_button_init(void);
+
+char
+ao_button_get(void) __critical;
+
+void
+ao_button_clear(void) __critical;
+
+/* ao_string.c */
+
+void
+_ao_xmemcpy(__xdata void *dst, __xdata void *src, uint8_t count);
+
+#define ao_xmemcpy(d,s,c) _ao_xmemcpy(d,s,c)
+
+void
+_ao_xmemset(__xdata void *dst, uint8_t value, uint8_t count);
+
+#define ao_xmemset(d,v,c) _ao_xmemset(d,v,c)
+
+int8_t
+_ao_xmemcmp(__xdata void *a, __xdata void *b, uint8_t count);
+
+#define ao_xmemcmp(d,s,c) _ao_xmemcmp((d), (s), (c))
+
+struct ao_serial_speed {
+ uint8_t baud;
+ uint8_t gcr;
+};
+
+extern const __code struct ao_serial_speed ao_serial_speeds[];
+
#endif /* _AO_ARCH_H_ */