/********************************************************************** NEC uPD65031 'BLINK' emulation **********************************************************************/ #pragma once #ifndef __UPD65031__ #define __UPD65031__ #include "emu.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_UPD65031_KB_CALLBACK(_read) \ devcb = &upd65031_device::set_kb_rd_callback(*device, DEVCB2_##_read); #define MCFG_UPD65031_INT_CALLBACK(_write) \ devcb = &upd65031_device::set_int_wr_callback(*device, DEVCB2_##_write); #define MCFG_UPD65031_NMI_CALLBACK(_write) \ devcb = &upd65031_device::set_nmi_wr_callback(*device, DEVCB2_##_write); #define MCFG_UPD65031_SPKR_CALLBACK(_write) \ devcb = &upd65031_device::set_spkr_wr_callback(*device, DEVCB2_##_write); #define MCFG_UPD65031_SCR_UPDATE_CB(_class, _method) \ upd65031_device::set_screen_update_callback(*device, upd65031_screen_update_delegate(&_class::_method, #_class "::" #_method, downcast<_class *>(owner))); #define MCFG_UPD65031_MEM_UPDATE_CB(_class, _method) \ upd65031_device::set_memory_update_callback(*device, upd65031_memory_update_delegate(&_class::_method, #_class "::" #_method, downcast<_class *>(owner))); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** typedef device_delegate upd65031_screen_update_delegate; typedef device_delegate upd65031_memory_update_delegate; #define UPD65031_SCREEN_UPDATE(_name) void _name(bitmap_ind16 &bitmap, UINT16 sbf, UINT16 hires0, UINT16 hires1, UINT16 lores0, UINT16 lores1, int flash) #define UPD65031_MEMORY_UPDATE(_name) void _name(int bank, UINT16 page, int rams) // ======================> upd65031_device class upd65031_device : public device_t { public: // construction/destruction upd65031_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); template static devcb2_base &set_kb_rd_callback(device_t &device, _Object object) { return downcast(device).m_read_kb.set_callback(object); } template static devcb2_base &set_int_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_int.set_callback(object); } template static devcb2_base &set_nmi_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_nmi.set_callback(object); } template static devcb2_base &set_spkr_wr_callback(device_t &device, _Object object) { return downcast(device).m_write_spkr.set_callback(object); } static void set_screen_update_callback(device_t &device, upd65031_screen_update_delegate callback) { downcast(device).m_screen_update_cb = callback; } static void set_memory_update_callback(device_t &device, upd65031_memory_update_delegate callback) { downcast(device).m_out_mem_cb = callback; } DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); DECLARE_WRITE_LINE_MEMBER( flp_w ); DECLARE_WRITE_LINE_MEMBER( btl_w ); UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); private: inline void interrupt_refresh(); inline void update_rtc_interrupt(); inline void set_mode(int mode); static const device_timer_id TIMER_RTC = 0; static const device_timer_id TIMER_FLASH = 1; static const device_timer_id TIMER_SPEAKER = 2; devcb2_read8 m_read_kb; devcb2_write_line m_write_int; devcb2_write_line m_write_nmi; devcb2_write_line m_write_spkr; upd65031_screen_update_delegate m_screen_update_cb; // callback for update the LCD upd65031_memory_update_delegate m_out_mem_cb; // callback for update bankswitch int m_mode; UINT16 m_lcd_regs[5]; // LCD registers UINT8 m_tim[5]; // RTC registers UINT8 m_sr[4]; // segment registers UINT8 m_sta; // interrupt status UINT8 m_int; // interrupts mask UINT8 m_ack; // interrupts acknowledge UINT8 m_tsta; // timer interrupt status UINT8 m_tmk; // timer interrupt mask UINT8 m_tack; // timer interrupts acknowledge UINT8 m_com; // command register int m_flash; // cursor flash int m_speaker_state; // spkr line // timers emu_timer *m_rtc_timer; emu_timer *m_flash_timer; emu_timer *m_speaker_timer; }; // device type definition extern const device_type UPD65031; #endif