More things to hopefully make this work.

[uccvend-snackrom.git] / ROM2 / sci.c

diff --git a/ROM2/sci.c b/ROM2/sci.c
index 4ce0d36..2346b28 100644 (file)
--- 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() {