implemented BRK handling routine (not yet connected to IRQ)

2019-08-06 20:54:27 +02:00
1 parent 44ca73be40
commit 03bc8b8e78
@@ -1,6 +1,11 @@
+
 default_brk_handler:

-	;; XXX implement this!
+	;; Implemented according to Compute's Mapping the Commodore 64, pages 73-74
+
+	jsr JRESTOR
+	jsr JIOINIT
+	jsr CINT_BRK
+
+	jmp (IBASIC_WARM_START)

-	;; Acknowledge CIA interrupt and return
-	jmp clear_cia1_interrupt_flag_and_return_from_interrupt