commit 3dedcc

2026-03-29 14:01:16 Bob Green: -/-

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`programming/handling interrupts.md` ..
@@ 4,4 4,16 @@
	```c
	__attribute__((interrupt)) duart_interrupt(void) {
	/* Handle the interrupt */
+
+	}
	```
+	But there's a macro in `machine.h` to help, so you could replace the above with:
+	```c
+	#include <machine.h>
+
+	ISR duart_interrupt(void) {
+	/* Handle the interrupt */
+
+	}
+	```
+	gcc knows that functions declared using either of the above methods should end with the `rte` rather than `rts` instruction.