// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Seiko-Epson SED1330 LCD Controller emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __SED1330__ #define __SED1330__ #include "emu.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_SED1330_ADD(_tag, _clock, _screen_tag, _map) \ MCFG_DEVICE_ADD(_tag, SED1330, _clock) \ MCFG_DEVICE_ADDRESS_MAP(AS_0, _map) \ MCFG_VIDEO_SET_SCREEN(_screen_tag) //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> sed1330_device class sed1330_device : public device_t, public device_memory_interface, public device_video_interface { public: // construction/destruction sed1330_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual const rom_entry *device_rom_region() const; DECLARE_READ8_MEMBER( status_r ); DECLARE_WRITE8_MEMBER( command_w ); DECLARE_READ8_MEMBER( data_r ); DECLARE_WRITE8_MEMBER( data_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(); // device_memory_interface overrides virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const; inline UINT8 readbyte(offs_t address); inline void writebyte(offs_t address, UINT8 m_data); inline void increment_csr(); void draw_text_scanline(bitmap_ind16 &bitmap, const rectangle &cliprect, int y, UINT16 va); void draw_graphics_scanline(bitmap_ind16 &bitmap, const rectangle &cliprect, int y, UINT16 va); void update_graphics(bitmap_ind16 &bitmap, const rectangle &cliprect); void update_text(bitmap_ind16 &bitmap, const rectangle &cliprect); private: int m_bf; // busy flag UINT8 m_ir; // instruction register UINT8 m_dor; // data output register int m_pbc; // parameter byte counter int m_d; // display enabled int m_sleep; // sleep mode UINT16 m_sag; // character generator RAM start address int m_m0; // character generator ROM (0=internal, 1=external) int m_m1; // character generator RAM D6 correction (0=no, 1=yes) int m_m2; // height of character bitmaps (0=8, 1=16 pixels) int m_ws; // LCD drive method (0=single, 1=dual panel) int m_iv; // screen origin compensation for inverse display (0=yes, 1=no) int m_wf; // AC frame drive waveform period (0=16-line, 1=2-frame) int m_fx; // character width in pixels int m_fy; // character height in pixels int m_cr; // visible line width in characters int m_tcr; // total line width in characters (including horizontal blanking) int m_lf; // frame height in lines UINT16 m_ap; // virtual screen line width in characters UINT16 m_sad1; // display page 1 start address UINT16 m_sad2; // display page 2 start address UINT16 m_sad3; // display page 3 start address UINT16 m_sad4; // display page 4 start address int m_sl1; // display block 1 height in lines int m_sl2; // display block 2 height in lines int m_hdotscr; // horizontal dot scroll in pixels int m_fp; // display page flash control UINT16 m_csr; // cursor address register int m_cd; // cursor increment direction int m_crx; // cursor width int m_cry; // cursor height or location int m_cm; // cursor shape (0=underscore, 1=block) int m_fc; // cursor flash control int m_mx; // screen layer composition method int m_dm; // display mode for pages 1, 3 int m_ov; // graphics mode layer composition // address space configurations const address_space_config m_space_config; }; // device type definition extern const device_type SED1330; #endif