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+/*****************************************************************************
+ *
+ * saturn.h
+ * portable saturn emulator interface
+ * (hp calculators)
+ *
+ * Copyright (c) 2000 Peter Trauner, all rights reserved.
+ *
+ * - This source code is released as freeware for non-commercial purposes.
+ * - You are free to use and redistribute this code in modified or
+ * unmodified form, provided you list me in the credits.
+ * - If you modify this source code, you must add a notice to each modified
+ * source file that it has been changed. If you're a nice person, you
+ * will clearly mark each change too. :)
+ * - If you wish to use this for commercial purposes, please contact me at
+ * peter.trauner@jk.uni-linz.ac.at
+ * - The author of this copywritten work reserves the right to change the
+ * terms of its usage and license at any time, including retroactively
+ * - This entire notice must remain in the source code.
+ *
+ *****************************************************************************/
+/*
+Calculator Release Date Chip Version Analog/Digital IC
+HP71B (early) 02/01/84 1LF2 -
+HP71B (later) ??/??/?? 1LK7 -
+HP18C 06/01/86 1LK7 -
+HP28C 01/05/87 1LK7 -
+HP17B 01/04/88 1LT8 Lewis
+HP19B 01/04/88 1LT8 Lewis
+HP27S 01/04/88 1LT8 Lewis
+HP28S 01/04/88 1LT8 Lewis
+HP48SX 03/16/91 1LT8 Clarke
+HP48S 04/02/91 1LT8 Clarke
+HP48GX 06/01/93 1LT8 Yorke
+HP48G 06/01/93 1LT8 Yorke
+HP38G 09/??/95 1LT8 Yorke
+*/
+/* 4 bit processor
+ 20 address lines */
+
+#ifndef _SATURN_H
+#define _SATURN_H
+
+#include "cpuintrf.h"
+
+#define SATURN_INT_NONE 0
+#define SATURN_INT_IRQ 1
+#define SATURN_INT_NMI 2
+
+typedef struct
+{
+ void (*out)(int);
+ int (*in)(void);
+ void (*reset)(void);
+ void (*config)(int v);
+ void (*unconfig)(int v);
+ int (*id)(void);
+ void (*crc)(int addr, int data);
+} SATURN_CONFIG;
+
+#ifdef MAME_DEBUG
+unsigned saturn_dasm(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram);
+#endif /* MAME_DEBUG */
+
+void saturn_get_info(UINT32 state, cpuinfo *info);
+
+#endif
+