X-Git-Url: https://git.ucc.asn.au/?p=uccvend-snackrom.git;a=blobdiff_plain;f=ROM2%2Fsci.c;h=2346b28569b60332f84f04c28feb2feda1a9cb04;hp=4ce0d36ce1d3c8120990c3350c7cf509328fcae4;hb=c1fd53d73bce8779c822e3ed74de94f40714f9ca;hpb=47ccc4dcb3e35d80f402793e3715e4a6166b3629

diff --git a/ROM2/sci.c b/ROM2/sci.c
index 4ce0d36..2346b28 100644
--- a/ROM2/sci.c
+++ b/ROM2/sci.c
@@ -1,4 +1,5 @@
 #include "vend.h"
+#include "chime.h"
 #include "sci.h"
 
 char sci_tx_buf[BUFFER_LEN];
@@ -32,6 +33,7 @@ void send_packet() {
 }
 
 void sci_rx_int() {
+	/* XXX FIXME we should do something about errors. nack? */
 	if (sci_have_packet) {
 		/* overrun :( */
 		_io_ports[M6811_SCDR]; /* read it anyway */
@@ -52,7 +54,12 @@ void sci_rx_int() {
 }
 
 void sci_interrupt_serial() {
+	chime_start();
+
 	if (_io_ports[M6811_SCSR] & M6811_RDRF) sci_rx_int();
+
+	if (_io_ports[M6811_SCSR] & M6811_OR)
+		_io_ports[M6811_SCDR]; /* declare it a lost cause */
 }
 
 void msg_clr() {