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Diffstat (limited to 'src/mess/machine/vic1112.h')
-rw-r--r-- | src/mess/machine/vic1112.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mess/machine/vic1112.h b/src/mess/machine/vic1112.h new file mode 100644 index 00000000000..5abf545b535 --- /dev/null +++ b/src/mess/machine/vic1112.h @@ -0,0 +1,76 @@ +/********************************************************************** + + Commodore VIC-1112 IEEE-488 Interface Cartridge emulation + + SYS 45065 to start + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#pragma once + +#ifndef __VIC1112__ +#define __VIC1112__ + + +#include "emu.h" +#include "cpu/m6502/m6502.h" +#include "machine/6522via.h" +#include "machine/cbmipt.h" +#include "machine/ieee488.h" +#include "machine/vic20exp.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> vic1112_device + +class vic1112_device : public device_t, + public device_vic20_expansion_card_interface +{ +public: + // construction/destruction + vic1112_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + + // not really public + DECLARE_WRITE_LINE_MEMBER( via0_irq_w ); + DECLARE_READ8_MEMBER( via0_pb_r ); + DECLARE_WRITE8_MEMBER( via0_pb_w ); + DECLARE_WRITE_LINE_MEMBER( via1_irq_w ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_config_complete() { m_shortname = "vic1112"; } + + // device_vic20_expansion_card_interface overrides + virtual UINT8 vic20_cd_r(address_space &space, offs_t offset, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3); + virtual void vic20_cd_w(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3); + +private: + required_device<via6522_device> m_via0; + required_device<via6522_device> m_via1; + required_device<ieee488_device> m_bus; + + UINT8 *m_rom; + + int m_via0_irq; + int m_via1_irq; +}; + + +// device type definition +extern const device_type VIC1112; + + + +#endif |