dvc90.cfg

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 1998, ESS Technology, Inc.					*/
/* SCCSID @(#)dvc90.cfg	1.2 05/26/98 */

/*
 * $Log$
 */

/*
 * Configuration for CUST6 dvc90 board
 *
 * CPU:		67.5MHz 3210
 *		3207
 *
 * Summary:
 *
 *		Samsung (Sony)
 * AUX0:	o SERVO - CLOCK (MCLK)
 * AUX1:	o SERVO - DATA (MDAT)
 * AUX2:	b VFD Data
 * AUX3:	? SCLK
 * AUX4:	i Interrupt
 * AUX5:	o DSC_S
 * AUX6:	o VFD Strobe
 * AUX7:	o VFD Clock
 *
 * EAUX0:	o IR in
 * EAUX1:	? MIC Det
 * EAUX2:	? MIC Mute
 * EAUX3:	? XRST
 * EAUX4:	? Hi-speed option
 * EAUX5:	i PAL/NTSC
 * EAUX6:	? LD On
 * EAUX7:	o SERVO - XLAT (MLT)
 * EAUX8:	? T.SENS
 * EAUX9:	i SERVO - SubQ
 * EAUX10:	? SLATCH  pick-up up(1) or down(0)
 * EAUX11:	? CL/UP
 * EAUX12:	? OP/DN
 * EAUX13:	o SCOR Clear
 * EAUX14:	i SCOR
 * EAUX15:	? Power Control
 *
 * LCS0:	
 * LCS1:	0x14000003:	DSC address/data
 *		0x1400001b:	New emulator data
 *		0x1400001f:	New emulator status
 * LCS3:	ROM (5 wait states)
 */

/************************************************************************
 *			Loader control				*
 ************************************************************************/
#define scor_clear_h	    	SET_EAUX13
#define scor_clear_l    	CLEAR_EAUX13
#define	irq_in_hh		AUX4_HIGH
#define	irq_in_ll		AUX4_LOW
#define ir_in_h			SET_EAUX0
#define ir_in_l			CLEAR_EAUX0
#define scor_in_hh		EAUX14_HIGH

#define	DSA_FREE_CD
#define	DSA_RESET_CD


/************************************************************************
 *				VFD control				*
 ************************************************************************/
#define SET_VFD_STROBE_HIGH     SET_AUX6
#define SET_VFD_STROBE_LOW      CLEAR_AUX6
#define SET_VFD_CLK_HIGH        SET_AUX7
#define SET_VFD_CLK_LOW         CLEAR_AUX7
#define SET_VFD_DATA_HIGH       SET_AUX2
#define SET_VFD_DATA_LOW        CLEAR_AUX2
#define TRISTATE_VFD_DATA       TRISTATE_AUX2
#ifdef VFD_STB_ACTIVE_HIGH
/* E.g. BU2872 */
#define	VFD_STROBE_ACTIVE	SET_VFD_STROBE_HIGH
#define	VFD_STROBE_INACTIVE	SET_VFD_STROBE_LOW
#else
/* E.g. D16312, MN12510 */
#define	VFD_STROBE_ACTIVE	SET_VFD_STROBE_LOW
#define	VFD_STROBE_INACTIVE	SET_VFD_STROBE_HIGH
#endif /* else of VFD_STB_ACTIVE_HIGH */

#define TRIGGER_HOST_PORT       reg0 = *(int *)x1c060000
#define VFD_DATA_IS_HIGH        AUX2_HIGH


/************************************************************************
 *				3207 Interface				*
 ************************************************************************/
#define	DSC_SELECT		SET_AUX5
#define	DSC_DESELECT		CLEAR_AUX5
#define DSC_ADDRESS		((char *) x14000003)


/************************************************************************
 *				Misc. Inputs				*
 ************************************************************************/
/*
 * Misc. input controls (NTSC/PAL, S-video/composite)
 */
#define IS_TV_NTSC      	EAUX15_LOW

extern volatile unsigned int shadow_eaux1_dat;
#define	SET_IRXOR		SET_EAUX15
#define CLEAR_IRXOR     	CLEAR_EAUX15
#define IS_IRXOR_HIGH   	((shadow_eaux1_dat & 0x80) ? 1 : 0)