// license:BSD-3-Clause // copyright-holders:Ryan Holtz /*************************************************************************** Sharp Scoop peripheral chip emulation skeleton ***************************************************************************/ #ifndef MAME_MACHINE_SCOOP #define MAME_MACHINE_SCOOP #pragma once class scoop_device : public device_t { public: scoop_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); template auto gpio_out() { return m_gpio_out[Line].bind(); } template void gpio_in(int state) { gpio_in((uint16_t)Line, state); } uint32_t read(offs_t offset); void write(offs_t offset, uint32_t data); protected: virtual void device_start() override; virtual void device_reset() override; void gpio_in(const uint16_t line, const int state); void update_gpio_direction(const uint16_t old_dir); void update_gpio_outputs(const uint16_t old_latch, const uint16_t changed); uint16_t m_gpwr; uint16_t m_gpio_in_latch; uint16_t m_gpcr; devcb_write_line::array<13> m_gpio_out; }; DECLARE_DEVICE_TYPE(SCOOP, scoop_device) #endif // MAME_MACHINE_SCOOP