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diff --git a/src/mame/machine/thomflop.h b/src/mame/machine/thomflop.h
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+// license:BSD-3-Clause
+// copyright-holders:Antoine Mine
+/**********************************************************************
+
+ Copyright (C) Antoine Mine' 2006
+
+ Thomson 8-bit computers
+
+**********************************************************************/
+
+#ifndef THOMFLOP_H_
+#define THOMFLOP_H_
+
+#include "image.h"
+#include "imagedev/flopdrv.h"
+#include "machine/mc6843.h"
+#include "machine/mc6854.h"
+
+extern UINT8 to7_controller_type; /* set during init */
+extern UINT8 to7_floppy_bank;
+
+/* number of external floppy controller ROM banks */
+#define TO7_NB_FLOP_BANK 9
+
+/* external floppy / network controller active */
+#define THOM_FLOPPY_EXT (to7_controller_type >= 1)
+
+/* internal floppy controller active (no or network extension) */
+#define THOM_FLOPPY_INT (to7_controller_type == 0 || to7_controller_type > 4)
+
+
+/* external controllers */
+/* TO9 internal (WD2793) & external controllers */
+/* TO8 internal (THMFC1) controller */
+
+#endif /* THOMFLOP_H_ */