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Diffstat (limited to 'src/devices/cpu/z80/ky80.h')
-rw-r--r-- | src/devices/cpu/z80/ky80.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/devices/cpu/z80/ky80.h b/src/devices/cpu/z80/ky80.h new file mode 100644 index 00000000000..2f5cef749f2 --- /dev/null +++ b/src/devices/cpu/z80/ky80.h @@ -0,0 +1,42 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/*************************************************************************** + + Taxan KY-80 + +***************************************************************************/ + +#ifndef MAME_CPU_Z80_KY80_H +#define MAME_CPU_Z80_KY80_H + +#pragma once + +#include "kc82.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class ky80_device : public kc82_device +{ +public: + // device type constructor + ky80_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + +protected: + // device_execute_interface overrides + virtual u64 execute_clocks_to_cycles(u64 clocks) const noexcept override { return (clocks + 2 - 1) / 2; } + virtual u64 execute_cycles_to_clocks(u64 cycles) const noexcept override { return (cycles * 2); } + +private: + // internal address maps + void internal_ram(address_map &map) ATTR_COLD; + void internal_io(address_map &map) ATTR_COLD; +}; + + +// device type declaration +DECLARE_DEVICE_TYPE(KY80, ky80_device) + +#endif // MAME_CPU_Z80_KY80_H |