X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fsci.c;h=6ef3cd357acc2698c2eda1f7e90194cfe96caa77;hb=2e98bf59fc918f4e3d0dcfda51b381c8ef853746;hp=646e443ca4cb4077226b394836fe27e2f321b582;hpb=74fa3423b3feafe4877c3bfc819462e80797ed3a;p=uccvend-snackrom.git

diff --git a/ROM2/sci.c b/ROM2/sci.c
index 646e443..6ef3cd3 100644
--- a/ROM2/sci.c
+++ b/ROM2/sci.c
@@ -50,6 +50,11 @@ void send_string(char* c) {
 	}
 }
 
+char toupper(char c) {
+	if (c >= 'a' && c <= 'z') c -= 'a'-'A';
+	return c;
+}
+
 void sci_rx_int() {
 	char buf = _io_ports[M6811_SCDR];
 	if (sci_doing_xmodem) {
@@ -72,7 +77,8 @@ void sci_rx_int() {
 		/* overrun :( */
 		return;
 	}
-	sci_rx_buf[sci_rx_buf_ptr] = buf;
+	/* we upper case because no commands care that things aren't */
+	sci_rx_buf[sci_rx_buf_ptr] = toupper(buf);
 
 	if (buf == '\n' || buf == '\r') {
 		sci_rx_buf[sci_rx_buf_ptr] = '\0';
@@ -98,14 +104,6 @@ void msg_clr() {
 	sci_rx_buf_ptr = 0;
 }
 
-void send_ack() {
-	send_string("!" CRLF);
-}
-
-void send_nack() {
-	send_string("?" CRLF);
-}
-
 u16 sci_timer;
 void serial_rti() { /* called every 6.6 ms */
 	if (sci_timer) sci_timer--;