implemented BRK handling routine (not yet connected to IRQ)

2019-08-06 20:54:27 +02:00
1 parent 44ca73be40
commit 03bc8b8e78
@@ -1,7 +1,11 @@

 default_nmi_handler:

-	;; XXX provide real implementation
+	;; XXX implement according to Compute's Mapping the Commodore 64, page 74
+
+	;; XXX check if the source was RESTORE key, quit if it wasn't (no RS-232 support)
+	;; XXX if cartridge present, enter it through warm start vector
+	;; XXX if stop pressed, go to default_brk_handler

 	inc $D020
 	rti