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Diffstat (limited to 'src/devices/bus/c64/magic_formel.h')
-rw-r--r--src/devices/bus/c64/magic_formel.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/devices/bus/c64/magic_formel.h b/src/devices/bus/c64/magic_formel.h
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+++ b/src/devices/bus/c64/magic_formel.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Magic Formel cartridge emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __MAGIC_FORMEL__
+#define __MAGIC_FORMEL__
+
+#include "emu.h"
+#include "exp.h"
+#include "machine/6821pia.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> c64_magic_formel_cartridge_device
+
+class c64_magic_formel_cartridge_device : public device_t,
+ public device_c64_expansion_card_interface
+{
+public:
+ // construction/destruction
+ c64_magic_formel_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+
+ DECLARE_INPUT_CHANGED_MEMBER( freeze );
+
+ // not really public
+ DECLARE_WRITE8_MEMBER( pia_pa_w );
+ DECLARE_WRITE8_MEMBER( pia_pb_w );
+ DECLARE_WRITE_LINE_MEMBER( pia_cb2_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_c64_expansion_card_interface overrides
+ virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
+ virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2);
+ virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw);
+
+private:
+ required_device<pia6821_device> m_pia;
+ optional_shared_ptr<UINT8> m_ram;
+
+ UINT8 m_rom_bank;
+ UINT8 m_ram_bank;
+ int m_ram_oe;
+ int m_pb7;
+ int m_u9a;
+ int m_u9b;
+};
+
+
+// device type definition
+extern const device_type C64_MAGIC_FORMEL;
+
+
+#endif