initial commit

2026-07-18 20:34:55 +02:00
commit 59ad004c96
474 changed files with 226635 additions and 0 deletions
@@ -0,0 +1,25 @@
+#include "joystick.h"
+
+sbyte	joyx[2], joyy[2];
+bool	joyb[2];
+
+void joy_poll(char n)
+{
+	char	b = ((volatile char *)0xdc00)[n];
+
+	if (!(b & 1))
+		joyy[n] = -1;
+	else if (!(b & 2))
+		joyy[n] = 1;
+	else
+		joyy[n] = 0;
+
+	if (!(b & 4))
+		joyx[n] = -1;
+	else if (!(b & 8))
+		joyx[n] = 1;
+	else
+		joyx[n] = 0;
+
+	joyb[n] = (b & 0x10) == 0;
+}