From 9af7b8abd81d6c9435901ef330e16a0ea3715e69 Mon Sep 17 00:00:00 2001
From: akiroz <akiroz@localhost>
Date: Thu, 27 Jan 2022 04:08:27 +0800
Subject: [PATCH] fix coin key handling

---
 src/main.zig | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/src/main.zig b/src/main.zig
index 1fbcc1a..e994426 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -164,15 +164,14 @@ export fn chuni_io_jvs_poll(opbtn: ?[*]u8, beams: ?[*]u8) void {
     beams.?.* |= usb_in[3] & 0b111111;
 }
 
-var coin_depressed = false;
+var coin_conter: c_ushort = 0;
+var coin_prev_depressed = false;
 export fn chuni_io_jvs_read_coin_counter(total: ?*c_ushort) void {
     if(total == null) return;
-    if(GetAsyncKeyState(cfg.?.coin_key) == 0) {
-        coin_depressed = false;
-    } else if(!coin_depressed) {
-        coin_depressed = true;
-        total.?.* += 1;
-    }
+    const coin_depressed = GetAsyncKeyState(cfg.?.coin_key) != 0;
+    if(coin_depressed and !coin_prev_depressed) coin_conter += 1;
+    coin_prev_depressed = coin_depressed;
+    total.?.* = coin_conter;
 }
 
 export fn chuni_io_slider_init() HRESULT {