display.h

一个两碟控制的VCD的代码,两碟之间的转动及连续播放,已大量生产的CODE.

/**************************************************************************
 * Copyright 1996, ESS Technology, Inc.
 *
 *	Module:	mem2scn.c
 * 
 **************************************************************************/
/* SCCSID @(#)display.h	1.2 12/3/97 */ 


#ifdef DRIVER 

#ifndef _DISPLAY_H_
#define _DISPLAY_H_


/*----- Display control structure ---------------------*/

typedef struct {
    int startY;
    int startU;
    int startV;
    int zY, zUV;
    int wY, wUV;
    int height;
    int RGBstart;
    int Pattern;
    int Overlay;
    int Patternstart;
    int MIDIstart;
    int MIDIlist;
    int MIDIevent;
    int MIDInew;
    int PCMstart;
    int Buscon_width2;
    int OSD_start;
    int OSD_X;
    int OSD_Y;
    int OSD_W;
    int OSD_H;
}EVD_DISP_Info;


extern int DISP_count;
extern int DISP_scn_height;
extern volatile int DISP_field;	/* The current displayed field. 0 or 1 */
#ifdef HRES

GBLDEF_0(EVD_DISP_Info *EVD_DISP_info,NULL);
GBLDEF(volatile int HRES_pic, 0);	/* The current displayed field. 0 or 1 */
#endif

void EVD_DISP_interrupt_service(void);
void EVD_DISP_init(void);
void EVD_DISP_change_resolution(int, int, int);
void EVD_DISP_mem_config(int);
void EVD_DISP_change_TV(void);

#if 0
#ifdef  VMASTER
/* 3208/3210 is driving VSYNC/HSYNC, there is nothing to set. */
#define SET_ENCODER_NTSC
#define SET_ENCODER_PAL

#else

#ifdef DSC
/* ES3207 A/V encoder */
#define SET_ENCODER_NTSC        DSC_cmd(dsc_dvectl1, 0x02)
#define SET_ENCODER_PAL         DSC_cmd(dsc_dvectl1, 0x00)
#else
#define SET_ENCODER_NTSC	SET_AUX4
#define SET_ENCODER_PAL		CLEAR_AUX4
#endif
#endif
#endif /* if 0*/

#ifdef  VMASTER
/* 3208/3210 is driving VSYNC/HSYNC, there is nothing to set. */
#ifdef CUST3
#ifndef S215
#define SET_ENCODER_NTSC        SET_AUX4
#define SET_ENCODER_PAL         CLEAR_AUX4
#else
#define SET_ENCODER_NTSC
#define SET_ENCODER_PAL
#endif
#else
#ifdef CUST4
#define SET_ENCODER_NTSC        CLEAR_AUX3
#define SET_ENCODER_PAL         SET_AUX3
#else /* not CUST4 */
#define SET_ENCODER_NTSC
#define SET_ENCODER_PAL
#endif /*CUST4*/
#endif

#else

#ifdef DSC
/* ES3207 A/V encoder */
#define SET_ENCODER_NTSC        DSC_set_TV(TV_NTSC)
#define SET_ENCODER_PAL         DSC_set_TV(TV_PAL)
#else

/* 3208/3210 is the video slave, so we need to info the encoder */
#ifdef PLAYONLY

#ifdef  P1O
#define SET_ENCODER_NTSC        SET_AUX5
#define SET_ENCODER_PAL         CLEAR_AUX5
#else
#ifdef  P2O
#define SET_ENCODER_NTSC        SET_AUX5
#define SET_ENCODER_PAL         CLEAR_AUX5
#else
#ifdef  P3O
#define SET_ENCODER_NTSC        SET_AUX4
#define SET_ENCODER_PAL         CLEAR_AUX4
#else
#ifdef  P4O
#define SET_ENCODER_NTSC        SET_AUX2
#define SET_ENCODER_PAL         CLEAR_AUX2
#endif  /* P4O */
#endif  /* P3O */
#endif  /* P2O */
#endif  /* P1O */

#else
 
/* PLAY20 */
#ifdef  CUST3
#define SET_ENCODER_NTSC        SET_AUX5
#define SET_ENCODER_PAL         CLEAR_AUX5
#else
/* Turnkey default */
#define SET_ENCODER_NTSC        SET_AUX4
#define SET_ENCODER_PAL         CLEAR_AUX4
#endif  /* CUST3 */

#endif  /* PLAYONLY/PLAY20      */
#endif  /* DSC (3207)           */

#endif  /* VMASTER              */


#define DISP_MODES      4

#if 0

#ifdef HRES

#define YFRAMESTART 0xa7c0
#define UFRAMESTART 0x18d40
#define VFRAMESTART 0x18d73
#define RGBFRAME_ADDR 0xa7c0

#else

#define YFRAMESTART 0xa7c0
#define UFRAMESTART 0x18540
#define VFRAMESTART 0x18d73

#ifndef VCD30
#define RGBFRAME_ADDR 0x11900
#define Pattern_Buf    0x118a0
#define OBJ_overlay    0x11860
#define Pattern_ADDR   0xef9e

#else
#define RGBFRAME_ADDR 0x10880
#define Pattern_Buf    0x10820
#define OBJ_overlay    0x107e0
#define Pattern_ADDR   0xdf1e

#define YScale  0x1be00
#define UScale  0x1c380
#define VScale  0x1c3ac

#endif

#endif
#endif

GBLDEF(int YScaleH,  0x18000);
GBLDEF(int UScaleH,  0x18880);
GBLDEF(int VScaleH,  0x18c84);

GBLDEF(int YScale,  0x1be00);
GBLDEF(int UScale,  0x1c380);
GBLDEF(int VScale,  0x1c3ac);

GBLDEF_0(int disp_mode, 0);
GBLDEF_0(int Pattern_Buf, 0);
GBLDEF_0(int OBJ_overlay, 0);
GBLDEF_0(int Pattern_ADDR, 0);
GBLDEF_0(int YFrameAddr, 0);
GBLDEF_0(int UFrameAddr, 0);
GBLDEF_0(int VFrameAddr, 0);

#endif /* _DISPLAY_H_ */
#endif DRIVER