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Diffstat (limited to 'src/mess/machine/c64/stardos.h')
-rw-r--r-- | src/mess/machine/c64/stardos.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/mess/machine/c64/stardos.h b/src/mess/machine/c64/stardos.h new file mode 100644 index 00000000000..7ecd82fb821 --- /dev/null +++ b/src/mess/machine/c64/stardos.h @@ -0,0 +1,61 @@ +/********************************************************************** + + StarPoint Software StarDOS cartridge emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#pragma once + +#ifndef __STARDOS__ +#define __STARDOS__ + + +#include "emu.h" +#include "machine/c64/exp.h" +#include "machine/6821pia.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> c64_stardos_cartridge_device + +class c64_stardos_cartridge_device : public device_t, + public device_c64_expansion_card_interface +{ +public: + // construction/destruction + c64_stardos_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual ioport_constructor device_input_ports() const; + +protected: + // device-level overrides + virtual void device_start(); + + // 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, int hiram); + virtual int c64_exrom_r(offs_t offset, int sphi2, int ba, int rw, int hiram); + +private: + inline void charge_io1_capacitor(); + inline void charge_io2_capacitor(); + + int m_io1_charge; + int m_io2_charge; +}; + + +// device type definition +extern const device_type C64_STARDOS; + + +#endif |