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Diffstat (limited to 'src/devices/bus/c64/magic_formel.h')
-rw-r--r-- | src/devices/bus/c64/magic_formel.h | 71 |
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 new file mode 100644 index 00000000000..251fbbb0c90 --- /dev/null +++ b/src/devices/bus/c64/magic_formel.h @@ -0,0 +1,71 @@ +// 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 |