// license:BSD-3-Clause // copyright-holders:Olivier Galibert /*************************************************************************** g65sc02.h 65c02 with internal static registers, making clock stoppable? ***************************************************************************/ #ifndef MAME_CPU_M6502_G65SC02_H #define MAME_CPU_M6502_G65SC02_H #include "w65c02.h" class g65sc02_device : public w65c02_device { public: g65sc02_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: g65sc02_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); }; class g65sc12_device : public g65sc02_device { public: g65sc12_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; class g65sc102_device : public g65sc02_device { public: g65sc102_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: virtual uint64_t execute_clocks_to_cycles(uint64_t clocks) const noexcept override { return (clocks + 4 - 1) / 4; } virtual uint64_t execute_cycles_to_clocks(uint64_t cycles) const noexcept override { return (cycles * 4); } }; class g65sc112_device : public g65sc02_device { public: g65sc112_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; enum { G65SC02_IRQ_LINE = m6502_device::IRQ_LINE, G65SC02_NMI_LINE = m6502_device::NMI_LINE, G65SC02_SET_OVERFLOW = m6502_device::V_LINE }; DECLARE_DEVICE_TYPE(G65SC02, g65sc02_device) DECLARE_DEVICE_TYPE(G65SC12, g65sc12_device) DECLARE_DEVICE_TYPE(G65SC102, g65sc102_device) DECLARE_DEVICE_TYPE(G65SC112, g65sc112_device) #endif // MAME_CPU_M6502_G65SC02_H