// license: BSD-3-Clause // copyright-holders: Dirk Best /*************************************************************************** Data East IRQ Controller ***************************************************************************/ #ifndef MAME_MACHINE_DECO_IRQ_H #define MAME_MACHINE_DECO_IRQ_H #pragma once #include "screen.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_DECO_IRQ_ADD(_tag, _screen_tag) \ MCFG_DEVICE_ADD(_tag, DECO_IRQ, 0) \ downcast(*device).set_screen_tag(_screen_tag); #define MCFG_DECO_IRQ_LIGHTGUN1_CB(_devcb) \ devcb = &downcast(*device).set_lightgun1_callback(DEVCB_##_devcb); #define MCFG_DECO_IRQ_LIGHTGUN2_CB(_devcb) \ devcb = &downcast(*device).set_lightgun2_callback(DEVCB_##_devcb); #define MCFG_DECO_IRQ_LIGHTGUN_IRQ_CB(_devcb) \ devcb = &downcast(*device).set_lightgun_irq_callback(DEVCB_##_devcb); #define MCFG_DECO_IRQ_RASTER1_IRQ_CB(_devcb) \ devcb = &downcast(*device).set_raster1_irq_callback(DEVCB_##_devcb); #define MCFG_DECO_IRQ_RASTER2_IRQ_CB(_devcb) \ devcb = &downcast(*device).set_raster2_irq_callback(DEVCB_##_devcb); #define MCFG_DECO_IRQ_VBLANK_IRQ_CB(_devcb) \ devcb = &downcast(*device).set_vblank_irq_callback(DEVCB_##_devcb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** class deco_irq_device : public device_t { public: // construction/destruction deco_irq_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // configuration template devcb_base &set_lightgun1_callback(Object &&cb) { return m_lightgun1_cb.set_callback(std::forward(cb)); } template devcb_base &set_lightgun2_callback(Object &&cb) { return m_lightgun2_cb.set_callback(std::forward(cb)); } template devcb_base &set_lightgun_irq_callback(Object &&cb) { return m_lightgun_irq_cb.set_callback(std::forward(cb)); } template devcb_base &set_raster1_irq_callback(Object &&cb) { return m_raster1_irq_cb.set_callback(std::forward(cb)); } template devcb_base &set_raster2_irq_callback(Object &&cb) { return m_raster2_irq_cb.set_callback(std::forward(cb)); } template devcb_base &set_vblank_irq_callback(Object &&cb) { return m_vblank_irq_cb.set_callback(std::forward(cb)); } // configuration void set_screen_tag(const char *tag) { m_screen.set_tag(tag); } TIMER_CALLBACK_MEMBER(scanline_callback); void map(address_map &map); DECLARE_WRITE8_MEMBER(control_w); DECLARE_READ8_MEMBER(scanline_r); DECLARE_WRITE8_MEMBER(scanline_w); DECLARE_READ8_MEMBER(raster_irq_ack_r); DECLARE_WRITE8_MEMBER(vblank_irq_ack_w); DECLARE_READ8_MEMBER(status_r); DECLARE_WRITE_LINE_MEMBER(lightgun1_trigger_w); DECLARE_WRITE_LINE_MEMBER(lightgun2_trigger_w); DECLARE_WRITE_LINE_MEMBER(lightgun_irq_ack_w); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: required_device m_screen; emu_timer *m_scanline_timer; enum { RASTER1_IRQ = 1, RASTER2_IRQ = 0 }; // callbacks devcb_read8 m_lightgun1_cb; devcb_read8 m_lightgun2_cb; devcb_write_line m_lightgun_irq_cb; devcb_write_line m_raster1_irq_cb; devcb_write_line m_raster2_irq_cb; devcb_write_line m_vblank_irq_cb; bool m_lightgun_irq, m_raster_irq, m_vblank_irq; int m_raster_irq_target; bool m_raster_irq_masked; uint8_t m_raster_irq_scanline; uint8_t m_lightgun_latch; }; // device type definition DECLARE_DEVICE_TYPE(DECO_IRQ, deco_irq_device) #endif // MAME_MACHINE_DECO_IRQ_H