Rockboy - gameboy emulation for rockbox, based on gnuboy. Still a bit early, but already playable on iRiver H1xx and the simulators. The archos recorder version is currently rather slow...

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6104 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 61 insertions, 0 deletions

diff --git a/apps/plugins/rockboy/events.c b/apps/plugins/rockboy/events.c
new file mode 100644
index 0000000..5558dd8
--- /dev/null
+++ b/apps/plugins/rockboy/events.c
@@ -0,0 +1,61 @@
+/*
+ * events.c
+ *
+ * Event queue.
+ */
+
+
+#include "rockmacros.h"
+#include "input.h"
+
+
+char keystates[MAX_KEYS];
+int nkeysdown;
+
+#define MAX_EVENTS 32
+
+static event_t eventqueue[MAX_EVENTS];
+static int eventhead, eventpos;
+
+
+int ev_postevent(event_t *ev)
+{
+	int nextevent;
+	nextevent = (eventhead+1)%MAX_EVENTS;
+	if (nextevent == eventpos)
+		return 0;
+	eventqueue[eventhead] = *ev;
+	eventhead = nextevent;
+	return 1;
+}
+
+int ev_getevent(event_t *ev)
+{
+	if (eventpos == eventhead)
+	{
+		ev->type = EV_NONE;
+		return 0;
+	}
+	*ev = eventqueue[eventpos];
+	eventpos = (eventpos+1)%MAX_EVENTS;
+	if (ev->type == EV_PRESS)
+	{
+		keystates[ev->code] = 1;
+		nkeysdown++;
+	}
+	if (ev->type == EV_RELEASE)
+	{
+		keystates[ev->code] = 0;
+		nkeysdown--;
+		if (nkeysdown < 0) nkeysdown = 0;
+	}
+	return 1;
+}
+
+
+
+
+
+
+
+