X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fvectors.s;h=14612df269028159ed9273d2d32d0f93a1fb3a8a;hb=b3523cf99eff476642609ad6537e460595f84e72;hp=76e6614f6968e2931dc1f1c76c751e7fd4d5dca3;hpb=2e7a8beb908896930042bc0564fbd16f3e0b0b62;p=uccvend-snackrom.git

diff --git a/ROM2/vectors.s b/ROM2/vectors.s
index 76e6614..14612df 100644
--- a/ROM2/vectors.s
+++ b/ROM2/vectors.s
@@ -35,8 +35,17 @@ Boston, MA 02111-1307, USA.  */
 def:
 	rti
 
-	.globl _debug_user_vectors
-_debug_user_vectors = 0
+;;	.globl _debug_user_vectors
+;;_debug_user_vectors = 0
+
+
+;; RTI interrupt handler
+	.sect .text
+rti:
+	jsr chime
+	ldaa #0x40
+	staa 0x1025
+	rti
 
 ;; 
 ;; Interrupt vectors are in a specific section that is
@@ -79,6 +88,7 @@ vectors:
 	.word def		; ffee
 
 	;;  Misc
+	;.word def	 	; fff0 (RTII) ; uncomment to disable the RTI & comment below
 	.word rti	 	; fff0 (RTII)
 	.word uart_interrupt	; fff2 (IRQ)
 	.word def		; fff4 (XIRQ)