diff options
Diffstat (limited to 'src/devices/cpu/superfx/superfx.h')
-rw-r--r-- | src/devices/cpu/superfx/superfx.h | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/src/devices/cpu/superfx/superfx.h b/src/devices/cpu/superfx/superfx.h index b69c5c96f34..32ac4bc1016 100644 --- a/src/devices/cpu/superfx/superfx.h +++ b/src/devices/cpu/superfx/superfx.h @@ -1,5 +1,5 @@ -// license:BSD-3-Clause -// copyright-holders:Ryan Holtz +// license:GPL-2.0+ +// copyright-holders:byuu #ifndef MAME_CPU_SUPERFX_SUPERFX_H #define MAME_CPU_SUPERFX_SUPERFX_H @@ -92,9 +92,6 @@ enum class superfx_device : public cpu_device, public superfx_disassembler::config { public: - // construction/destruction - superfx_device(const machine_config &mconfig, const char *_tag, device_t *_owner, uint32_t _clock); - // configuration helpers auto irq() { return m_out_irq_func.bind(); } @@ -107,14 +104,14 @@ public: virtual u16 get_alt() const override; protected: + // construction/destruction + superfx_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + // device-level overrides - virtual void device_start() override; - virtual void device_reset() override; + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; // device_execute_interface overrides - virtual uint32_t execute_min_cycles() const override { return 1; } - virtual uint32_t execute_max_cycles() const override { return 1; } - virtual uint32_t execute_input_lines() const override { return 0; } virtual void execute_run() override; // device_memory_interface overrides @@ -210,7 +207,26 @@ private: inline void superfx_dreg_sfr_sz_update(); }; +class superfx1_device : public superfx_device +{ +public: + // construction/destruction + superfx1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + // device_execute_interface overrides + virtual uint64_t execute_clocks_to_cycles(uint64_t clocks) const noexcept override { return (clocks + 2 - 1) / 2; } + virtual uint64_t execute_cycles_to_clocks(uint64_t cycles) const noexcept override { return (cycles * 2); } +}; + +class superfx2_device : public superfx_device +{ +public: + // construction/destruction + superfx2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); +}; -DECLARE_DEVICE_TYPE(SUPERFX, superfx_device) +DECLARE_DEVICE_TYPE(SUPERFX1, superfx1_device) +DECLARE_DEVICE_TYPE(SUPERFX2, superfx2_device) #endif // MAME_CPU_SUPERFX_SUPERFX_H |