+#define COLOR_BLACK 0x00
+#define COLOR_WHITE 0x01
+
+/* Define hardware */
+#include <_pia.h>
+#define PIA1 (*(struct __pia*)0xE810)
+#define PIA2 (*(struct __pia*)0xE820)
+
+#include <_6522.h>
+#define VIA (*(struct __6522*)0xE840)
+
+/* All models from 40xx and above */
+#include <_6545.h>
+#define CRTC (*(struct __6545)0xE880)
+
+/* SuperPET only */
+#include <_6551.h>
+#define ACIA (*(struct __6551*)0xEFF0)
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+/* The following #defines will cause the matching functions calls in conio.h
+ * to be overlaid by macros with the same names, saving the function call
+ * overhead.
+ */
+#define _textcolor(color) COLOR_WHITE
+#define _bgcolor(color) COLOR_BLACK
+#define _bordercolor(color) COLOR_BLACK