/* Push ACC first, as when restoring the context it must be restored \
* last (it is used to set the IE register). */ \
push ACC \
- /* Store the IE register then enable interrupts. */ \
push _IEN0 \
- setb _EA \
push DPL \
push DPH \
push b \
/* Empty the stack; might as well let interrupts have the whole thing */
#define ao_arch_isr_stack() (SP = AO_STACK_START - 1)
-/* Idle the CPU, waking when an interrupt occurs */
-#define ao_arch_cpu_idle() (PCON = PCON_IDLE)
#define ao_arch_block_interrupts() __asm clr _EA __endasm
#define ao_arch_release_interrupts() __asm setb _EA __endasm
+/* Idle the CPU, waking when an interrupt occurs */
+#define ao_arch_wait_interrupt() do { \
+ ao_arch_release_interrupts(); \
+ (PCON = PCON_IDLE); \
+ ao_arch_block_interrupts(); \
+ } while (0)
+
#define ao_arch_restore_stack() { \
uint8_t stack_len; \
__data uint8_t *stack_ptr; \