From 9d9715afabdc72f55a340dd4fb9672616ef3dcac Mon Sep 17 00:00:00 2001
From: T_chan <t_chan4958@hotmail.com>
Date: Mon, 5 Jul 2021 20:37:17 +0000
Subject: [PATCH] Avoid the need to hard-reset the Dreamcast to exit the sample

---
 samples/nehe02/main.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/samples/nehe02/main.c b/samples/nehe02/main.c
index ae6a0d0..1b2e3e0 100644
--- a/samples/nehe02/main.c
+++ b/samples/nehe02/main.c
@@ -1,3 +1,7 @@
+#ifdef __DREAMCAST__
+#include <kos.h>
+#endif
+
 #include "GL/gl.h"
 #include "GL/glu.h"
 #include "GL/glkos.h"
@@ -34,6 +38,23 @@ void ReSizeGLScene(int Width, int Height)
     glMatrixMode(GL_MODELVIEW);
 }
 
+int check_start() {
+#ifdef __DREAMCAST__
+    maple_device_t *cont;
+    cont_state_t *state;
+
+    cont = maple_enum_type(0, MAPLE_FUNC_CONTROLLER);
+
+    if(cont) {
+        state = (cont_state_t *)maple_dev_status(cont);
+
+        if(state)
+            return state->buttons & CONT_START;
+    }
+#endif
+
+    return 0;
+}
 
 /* The main drawing function. */
 void DrawGLScene()
@@ -116,6 +137,9 @@ int main(int argc, char **argv)
     ReSizeGLScene(640, 480);
 
     while(1) {
+        if(check_start())
+            break;
+
         DrawGLScene();
     }