X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fcoinmech.c;h=124c8356ceea229f26bebc3cb52ca61b86c26ae4;hb=c1fd53d73bce8779c822e3ed74de94f40714f9ca;hp=e24fe621af9aef10a3c7e328778f5d518a7cd7fa;hpb=2b2e02c163f430f0745e5d7ed081fb7c65f85fc3;p=uccvend-snackrom.git

diff --git a/ROM2/coinmech.c b/ROM2/coinmech.c
index e24fe62..124c835 100644
--- a/ROM2/coinmech.c
+++ b/ROM2/coinmech.c
@@ -4,14 +4,14 @@
 #define COINMECH_ID   0x20
 
 volatile u8 last_byte;
-volatile u8 packet_pos = 0;
-volatile u16 value_1 = 0;
-volatile u8 value_2 = 0;
-volatile u8 dec_point = 0; 
+volatile u8 packet_pos;
+volatile u16 value_1;
+volatile u8 value_2;
+volatile u8 dec_point;
 
-volatile u16 coin_value = 0;
-u8 item_cost = 0;
-volatile bool have_change = 0;
+volatile u16 coin_value;
+u8 item_cost;
+volatile bool have_change;
 
 u8 parity_test(u8 c) {
 	u8 parity = 0;
@@ -51,7 +51,7 @@ void send_byte(u8 c) {
 }
 
 #define IS_CTRL(x) (x & 0x10) /* true if this packet is a control packet */
-void sci_interrupt() {
+void sci_interrupt_coinmech() {
 	u8 in;
 	in = _io_ports[M6811_SCDR];
 	
@@ -130,3 +130,16 @@ void coin_cost(u16 cost) {
 	item_cost = cost;
 	while(coin_value); /* wait until coin mech cleared */
 }
+
+void coinmech_init() {
+	packet_pos = 0;
+	value_1 = value_2 = 0;
+	dec_point = 0;
+	coin_value = 0;
+	item_cost = 0;
+	have_change = 0;
+	_io_ports[M6811_SCCR1] = 0x10;
+	_io_ports[M6811_SCCR2] = 0x2e;
+	_io_ports[M6811_BAUD] = 0x03;
+	send_byte(0xff);
+}