// license:BSD-3-Clause // copyright-holders:Carl #ifndef MAME_VIDEO_SCN2674_H #define MAME_VIDEO_SCN2674_H #pragma once #define MCFG_SCN2672_INTR_CALLBACK(_intr) \ devcb = &downcast(*device).set_intr_callback(DEVCB_##_intr); #define MCFG_SCN2672_CHARACTER_WIDTH(_value) \ downcast(*device).set_character_width(_value); #define MCFG_SCN2672_DRAW_CHARACTER_CALLBACK_OWNER(_class, _method) \ downcast(*device).set_display_callback(scn2672_device::draw_character_delegate(&_class::_method, #_class "::" #_method, this)); #define SCN2672_DRAW_CHARACTER_MEMBER(_name) void _name(bitmap_rgb32 &bitmap, int x, int y, uint8_t linecount, uint8_t charcode, uint16_t address, uint8_t cursor, uint8_t dw, uint8_t lg, uint8_t ul, uint8_t blink) #define MCFG_SCN2674_INTR_CALLBACK(_intr) \ devcb = &downcast(*device).set_intr_callback(DEVCB_##_intr); #define MCFG_SCN2674_CHARACTER_WIDTH(_value) \ downcast(*device).set_character_width(_value); #define MCFG_SCN2674_DRAW_CHARACTER_CALLBACK_OWNER(_class, _method) \ downcast(*device).set_display_callback(scn2674_device::draw_character_delegate(&_class::_method, #_class "::" #_method, this)); #define SCN2674_DRAW_CHARACTER_MEMBER(_name) void _name(bitmap_rgb32 &bitmap, int x, int y, uint8_t linecount, uint8_t charcode, uint16_t address, uint8_t cursor, uint8_t dw, uint8_t lg, uint8_t ul, uint8_t blink) class scn2674_device : public device_t, public device_video_interface, public device_memory_interface { public: scn2674_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); typedef device_delegate draw_character_delegate; // static configuration template devcb_base &set_intr_callback(Object &&cb) { return m_intr_cb.set_callback(std::forward(cb)); } void set_character_width(int value) { m_hpixels_per_column = value; } template void set_display_callback(Object &&cb) { m_display_cb = std::forward(cb); } DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); DECLARE_READ8_MEMBER( buffer_r ) { return m_buffer; } DECLARE_WRITE8_MEMBER( buffer_w ) { m_buffer = data; } uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); protected: scn2674_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); virtual void device_start() override; virtual void device_reset() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; virtual space_config_vector memory_space_config() const override; //protected: bitmap_rgb32 m_bitmap; devcb_write_line m_intr_cb; uint8_t m_IR_pointer; uint16_t m_screen1_address; uint16_t m_screen2_address; uint16_t m_cursor_address; uint8_t m_irq_register; uint8_t m_status_register; uint8_t m_irq_mask; bool m_gfx_enabled; bool m_display_enabled; bool m_display_enabled_field; bool m_display_enabled_scanline; bool m_cursor_enabled; uint8_t m_hpixels_per_column; bool m_double_ht_wd; uint8_t m_scanline_per_char_row; bool m_csync_select; uint8_t m_buffer_mode_select; bool m_interlace_enable; uint8_t m_equalizing_constant; bool m_use_row_table; uint8_t m_horz_sync_width; uint8_t m_horz_back_porch; uint8_t m_vert_front_porch; uint8_t m_vert_back_porch; uint8_t m_rows_per_screen; uint8_t m_character_blink_rate_divisor; uint8_t m_character_per_row; uint8_t m_cursor_first_scanline; uint8_t m_cursor_last_scanline; uint8_t m_cursor_underline_position; uint8_t m_cursor_rate_divisor; bool m_cursor_blink; uint8_t m_vsync_width; uint16_t m_display_buffer_first_address; uint8_t m_display_buffer_last_address; uint16_t m_display_pointer_address; uint8_t m_reset_scanline_counter_on_scrollup; uint8_t m_reset_scanline_counter_on_scrolldown; bool m_scroll_start; bool m_scroll_end; uint8_t m_scroll_lines; uint8_t m_split_register[2]; uint8_t m_double[2]; bool m_spl[2]; uint8_t m_dbl1; uint8_t m_buffer; int m_linecounter; uint16_t m_address; int m_start1change; virtual void write_init_regs(uint8_t data); void set_gfx_enabled(bool enabled); void set_display_enabled(bool enabled, int n); void set_cursor_enabled(bool enabled); void reset_interrupt_status(uint8_t bits); void write_interrupt_mask(bool enabled, uint8_t bits); void write_delayed_command(uint8_t data); void write_command(uint8_t data); void recompute_parameters(); void scn2674_vram(address_map &map); draw_character_delegate m_display_cb; emu_timer *m_scanline_timer; const address_space_config m_space_config; enum { TIMER_SCANLINE }; }; class scn2672_device : public scn2674_device { public: scn2672_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: virtual void write_init_regs(uint8_t data) override; }; DECLARE_DEVICE_TYPE(SCN2672, scn2672_device) DECLARE_DEVICE_TYPE(SCN2674, scn2674_device) #endif // MAME_VIDEO_SCN2674_H