/*$Author:   DCODY  $*/
/*$Date:   04 Sep 1992 16:40:38  $*/
/*$Header:   X:/sccs/inc/common.h_v   1.3   04 Sep 1992 16:40:38   DCODY  $*/
/*$Log:   X:/sccs/inc/common.h_v  $
 * 
 *    Rev 1.3   04 Sep 1992 16:40:38   DCODY
 * 
 *    Rev 1.2   15 Jul 1992 15:56:52   DCODY
 * 
 *    Rev 1.1   25 Jun 1992 23:22:50   DCODY
 * PAS2 update
 * 
 *    Rev 1.0   15 Jun 1992 09:58:36   BCRANE
 * Initial revision.
*/
/*$Logfile:   X:/sccs/inc/common.h_v  $*/
/*$Modtimes$*/
/*$Revision:   1.3  $*/
/*$Workfile:   common.h  $*/

;   /*\
;---|*|----====< COMMON.H >====----
;---|*|
;---|*| This file contains the Media Vision hardware definition equates, and.
;---|*| the PC hardware environment.
;---|*|
;---|*| Copyright (c) 1991, Media Vision, Inc.	All Rights Reserved.
;---|*|
;   \*/

	/* Hardware associated with the product 				*/

#define DEFAULT_BASE	0x0388		/* default base I/O address		*/
#define ALT_BASE_1	0x0384		/* first alternate address		*/
#define ALT_BASE_2	0x038C		/* second alternate address		*/
#define ALT_BASE_3	0x0288		/* third alternate address		*/
#define USE_ACTIVE_ADDR 0x0000		/* uses what is currently active	*/

#define DUALFM		1		/* Dual FM chips			*/
#define DUALMIXER	1		/* Dual mixers				*/
#define FILTER		1		/* Has filter after input mixer 	*/
#define VOLUME		1		/* Has total volume control		*/

#define TEXTVERSIONHI	'01'            /* VERSION 01.00                        */
#define TEXTVERSIONLO	'00'

#define SYSSPKRTMR      0x0042          /* System Speaker Timer Address         */
#define SYSTMRCTLR	0x0043		/* System Timer Control Register	*/
#define SYSSPKRREG	0x0061		/* System Speaker Register		*/
#define JOYSTICK	0x0201		/* Joystick Register			*/
#define LFMADDR 	0x0388		/* Left  FM Address Register		*/
#define LFMDATA 	0x0389		/* Left  FM Data Register		*/
#define RFMADDR 	0x038A		/* Right FM Address Register		*/
#define RFMDATA 	0x038B		/* Right FM Data Register		*/

#define AUXADDR 	0x0788		/* Auxiliary Register			*/
#define AUXDATA 	0x0789		/* Auxiliary Register			*/
#define DFMADDR 	0x0788		/* Dual  FM Address Register		*/
#define DFMDATA 	0x0789		/* Dual  FM Data Register		*/

#define PAUDIOMIXR	0x078B		/* Parallel interface Audio Mixer Reg	*/
#define AUDIOMIXR       0x0B88          /* Audio Mixer Control Register         */
#define AUDIOFILT	0x0B8A		/* Audio Filter Control Register	*/
#define INTRCTLRST	0x0B89		/* Interrupt Control Register		*/
#define INTRCTLR	0x0B8B		/* Interrupt Control Register		*/
#define INTRCTLRRB	0x0B8B		/* Interrupt Control Register read back */
#define PCMDATA 	0x0F88		/* PCM data I/O register		*/
#define PCMDATAH	0x0F89		/* PCM data I/O register		*/
#define CROSSCHANNEL	0x0F8A		/* Cross Channel Register		*/
#define SAMPLERATE	0x1388		/* (t0) Sample Rate Timer Register	*/
#define SAMPLECNT	0x1389		/* (t1) Sample Count Register		*/
#define SPKRTMR 	0x138A		/* (t2) Local Speaker Timer Address	*/
#define TMRCTLR 	0x138B		/* Local Timer Control Register 	*/
#define MDIRQVECT	0x1788		/* MIDI IRQ Vector Register		*/
#define MDSYSCTLR	0x1789		/* MIDI System Control Register 	*/
#define MDSYSSTAT	0x178A		/* MIDI IRQ Status Register		*/
#define MDIRQCLR	0x178B		/* MIDI IRQ Clear Register		*/
#define MDGROUP4	0x1B88		/* MIDI Group #1 Register (MDGROUP1)	*/
#define MDGROUP5	0x1B89		/* MIDI Group #2 Register (MDGROUP2)	*/
#define MDGROUP6	0x1B8A		/* MIDI Group #3 Register (MDGROUP3)	*/
#define MDGROUP7	0x1B8B		/* MIDI Group #4 Register (MDGROUP4)	*/

/*										*/
/* Factory Default Settings							*/
/*										*/
#define DEFAULTDMA	0x01		/* DMA channel 1			*/
#define DEFAULTIRQ	0x07		/* IRQ channel 7			*/
#define DEFAULTINT	0x65		/* Interrupt # for software interface	*/

/*										*/
/* mixer select 								*/
/*										*/
#define OUTPUTMIXER	0x00		/* output mixer H/W select		*/
#define INPUTMIXER	0x40		/* input mixer select			*/
#define DEFMIXER	-1		/* use last mixer selected		*/
#define MIXERMAX	0x1f		/* maximum mixer setting		*/

#define MVVOLUMEMAX	0x3f		/* MVA508 maximum mixer setting 	*/
#define NSVOLUMEMAX	0x28		/* National maximum mixer setting	*/

#define EQUALIZERMAX	0x0c		/* maximum equalizer setting		*/
#define EQUALIZERMID	0x06		/* maximum mid setting			*/

/*                                                                              */
/* Filter register bits 							*/
/*										*/
#define fFIdatabits	0x1f		/* filter select and decode field bits	*/
#define fFImutebits	0x20		/* filter mute field bits		*/
#define fFIpcmbits	0xc0		/* filter sample rate field bits	*/
#define bFImute 	0x20		/* filter mute bit			*/
#define bFIsrate	0x40		/* filter sample rate timer mask	*/
#define bFIsbuff	0x80		/* filter sample buffer counter mask	*/
#define FILTERMAX	   6		/* six possible settings		*/

/*										*/
/* Cross Channel Bit definitions						*/
/*										*/
#define fCCcrossbits	0x0f		/* cross channel bit field		*/
#define fCCpcmbits	0xf0		/* pcm/dma control bit field		*/
#define bCCr2r		0x01		/* CROSSCHANNEL Right to Right		*/
#define bCCl2r		0x02		/* CROSSCHANNEL Left  to Right		*/
#define bCCr2l		0x04		/* CROSSCHANNEL Right to Right		*/
#define bCCl2l		0x08		/* CROSSCHANNEL Left  to Left		*/
#define bCCdac		0x10		/* DAC/ADC Control			*/
#define bCCmono 	0x20		/* PCM Monaural Enable			*/
#define bCCenapcm	0x40		/* Enable PCM state machine		*/
#define bCCdrq		0x80		/* Enable DRQ bit			*/

/*										*/
/* Interrupt Control Register Bits						*/
/*										*/
#define fICintmaskbits	0x1f		/* interrupt mask field bits		*/
#define fICrevbits	0xe0		/* revision mask field bits		*/
#define fICidbits	0xe0		/* Board revision ID field bits 	*/
#define bICleftfm	0x01		/* Left FM interrupt enable		*/
#define bICritfm	0x02		/* Right FM interrupt enable		*/
#define bICsamprate	0x04		/* Sample Rate timer interrupt enable	*/
#define bICsampbuff	0x08		/* Sample buffer timer interrupt enable */
#define bICmidi 	0x10		/* MIDI interrupt enable		*/
#define    fICrevrol	0x05		/* rotate rev bits to lsb		*/

/*										*/
/* Interrupt Status Register Bits						*/
/*										*/
#define fISints 	0x1f		/* Interrupt bit field			*/
#define bISleftfm	0x01		/* Left FM interrupt active		*/
#define bISritfm	0x02		/* Right FM interrupt active		*/
#define bISsamprate	0x04		/* Sample Rate timer interrupt active	*/
#define bISsampbuff	0x08		/* Sample buffer timer interrupt active */
#define bISmidi 	0x10		/* MIDI interrupt active		*/
#define bISPCMlr	0x20		/* PCM left/right active		*/
#define bISActive	0x40		/* Hardware is active (not in reset)	*/
#define bISClip 	0x80		/* Sample Clipping has occured		*/

/*										*/
/*	 cross channel channel #s						*/
/*										*/
#define RIGHT2RIGHT	0x00		/* right to right			*/
#define LEFT2RIGHT	0x01		/* left  to right			*/
#define RIGHT2LEFT	0x02		/* right to left			*/
#define LEFT2LEFT	0x03		/* left  to left			*/

/*										*/
/* left/right mixer channel selection						*/
/*										*/

/*	left channel values							*/

#define L_LEFTFM	0x01
#define L_IMIXER	0x02
#define L_EXT		0x03
#define L_INT		0x04
#define L_MIC		0x05
#define L_PCM		0x06
#define L_SPEAKER	0x07
#define L_FREE		0x00
#define L_SBDAC         0x00

/*	right channel values							*/

#define R_RIGHTFM	0x08
#define R_IMIXER	0x09
#define R_EXT		0x0A
#define R_INT		0x0B
#define R_MIC		0x0C
#define R_PCM		0x0D
#define R_SPEAKER	0x0E
#define R_FREE		0x0F
#define R_SBDAC 	0x0F

/*	Mixer register bits							*/

#define fMImixerbits	0x17		/* mixer control bit fields		*/
#define fMIspkrbits	0x40		/* speaker integrator field bits	*/
#define bMIdata 	0x01		/* data bit				*/
#define bMIclock	0x02		/* clock strobe 			*/
#define bMImistrb	0x04		/* mixer output strobe			*/
#define bMIna1		0x08		/* not used				*/
#define bMIvol		0x10		/* total volume enabled 		*/
#define bMIna2		0x20		/* not used				*/
#define bMIspkrint	0x40		/* speaker integrator			*/
#define bMImonofm	0x80		/* make both FMs mono			*/

#define bMIfmreset	bMIdata 	/* OPL3 FM chip reset			*/
#define bMIdacreset	bMIclock	/* CODEC reset				*/
#define bMIsbreset	bMImistrb	/* SB microprocessor reset		*/
#define bMI508reset	bMIvol		/* MVA508 reset 			*/

/*	Volume control channel #s						*/

#define VOLMUTE 	0x40		/* MUTE button				*/
#define VOLLOUDENH	0x41		/* LOUDNESS and ENHANCED STEREO switch	*/
#define VOLBASS 	0x42		/* BASS level setting			*/
#define VOLTREBLE	0x43		/* TREBLE level setting 		*/
#define VOLLEFT 	0x44		/* MASTER LEFT LEVEL settting		*/
#define VOLRIGHT	0x45		/* MASTER RIGHT LEVEL settting		*/
#define VOLMODE 	0x46		/* Model Select Left/Stereo/Right	*/

#define bVOLEbass	0x01		/* enhanced bass bit			*/
#define bVOLEstereo	0x02		/* enhanced stereo bit			*/

/*	output control								*/

#define pmADDRSELECT	0x80		/* Parallel mixer addr select		*/
#define pmDATASELECT	0x00		/* Parallel mixer data select		*/

/*	mixer channel programming selection					*/

#define pmCHANNELLR	0x00		/* Left/Right channel select		*/
#define pmCHANNELL	0x20		/* Left  channel only select		*/
#define pmCHANNELR	0x40		/* Right channel only select		*/

/*	device select								*/

#define pmMIXERSELECT	0x10		/* Parallel Mixer device select 	*/
#define pmVOLUMESELECT	0x00		/* Parallel Volume device select	*/

/*	Volume Device selects							*/

#define pmVOLUMEA	0x01		/* Left/Right channel select		*/
#define pmVOLUMEB	0x02		/* Left/Right channel select		*/
#define pmVOLUMEBASS	0x03		/* Left/Right channel select		*/
#define pmVOLUMETREB	0x04		/* Left/Right channel select		*/
#define pmVOLUMEMODE	0x05		/* Left/Right channel select		*/

/*	mixer selection 							*/

#define pmINPUTMIXER	0x00		/* Mixer-A selection			*/
#define pmOUTPUTMIXER	0x20		/* Mixer-B selection			*/

/*	mixer channel swap							*/

#define pmCHSWAP	0x40		/* Mixer channel reroute		*/

/*	int 2F application ID codes						*/

#define INT2FCODE1	0x00BC		/* Bryan's initials                     */

/*	int 2F ID (func 0) return register values				*/

#define INT2FREGBX	0x6D00		/* 'm '                                 */
#define INT2FREGCX	0x0076		/* ' v'                                 */
#define INT2FREGDX	0x2020		/* UPPERCASE XOR MASK			*/

/* hardware specific equates for the PAS2/CDPC (digital ASIC)			*/

#define MASTERADDRP	0x9A01		/* Master Address Pointer    (w)	*/
#define MIDIPRESCALE	0x1788		/* MIDI prescale	     (r/w)	*/
#define MIDITIMER	0x1789		/* MIDI Timer		     (r/w)	*/
#define MIDIDATA	0x178A		/* MIDI Data		     (r/w)	*/
#define MIDICONTROL	0x178B		/* MIDI Control 	     (r/w)	*/
#define MIDISTATUS	0x1B88		/* MIDI Status		     (r/w)	*/
#define MIDIFIFOS	0x1B89		/* MIDI Fifo Status	     (r/w)	*/
#define MIDICOMPARE	0x1B8A		/* MIDI Compare Time	     (r/w)	*/
#define MIDITEST	0x1B8B		/* MIDI Test		     (w)	*/
#define MASTERCHIPR	0xFF88		/* Master Chip Rev	     (r)	*/
#define SLAVECHIPR	0xEF88		/* Slave Chip Rev	     (r)	*/
#define ENHANCEDSCSI	0x7f89		/* Enhanced SCSI detect port		*/
#define SYSCONFIG1      0x8388          /* System Config 1           (r/w)      */
#define SYSCONFIG2	0x8389		/* System Config 2	     (r/w)	*/
#define SYSCONFIG3	0x838A		/* System Config 3	     (r/w)	*/
#define SYSCONFIG4	0x838B		/* System Config 4	     (r/w)	*/
#define IOCONFIG1	0xF388		/* I/O Config 1 	     (r/w)	*/
#define IOCONFIG2	0xF389		/* I/O Config 2 	     (r/w)	*/
#define IOCONFIG3	0xF38A		/* I/O Config 3 	     (r/w)	*/
#define IOCONFIG4	0xF38B		/* I/O Config 4 	     (r/w)	*/
#define COMPATREGE	0xF788		/* Compatible Rgister Enable (r/w)	*/
#define EMULADDRP	0xF789		/* Emulation Address Pointer (r/w)	*/
#define WAITSTATE	0xBF88		/* Wait State		     (r/w)	*/
#define PUSHBUTTON	0xE388		/* Push Button (slave)	     (???)	*/
#define AXUINTSTAT	0xE38A		/* Aux Int Status	     (???)	*/
#define AUXINTENA	0xE38B		/* Aux Int Enable	     (???)	*/
#define OVRSMPPRE	0xBF8A		/* Over Sample Prescale      (r/w)	*/
#define ANALSERD	0xBF89		/* Analog Chip Serial Data   (w)	*/
#define MASTERMODRD	0xFF8B		/* Master Mode Read	     (r)	*/
#define SLAVEMODRD	0xEF8B		/* Slave Mode Read	     (r)	*/
#define INTWATCHDOG	0xFB8B		/* Interrupt Watch Dog	     (???)	*/
#define MASTERuPDATA	0xFB88		/* Master uP Data	     (???)	*/
#define MASTERuPCMD	0xFB89		/* Master uP Command/Status  (???)	*/
#define MASTERuPRST	0xFB8A		/* Master uP Restart	     (???)	*/
#define SLAVEuPDATA	0xEB88		/* Slave uP Data	     (???)	*/
#define SLAVEuPCMD	0xEB88		/* Slave uP Command/Status   (???)	*/
#define SLAVEuPRST	0xEB88		/* Slave uP Restart	     (???)	*/
#define CDTOCOUNTER	0x4388		/* CD-ROM timeout counter    (r/w)	*/
#define CDTOSTAT	0x4389		/* CD-ROM timeout status     (r/w)	*/
#define LEFTVURD	0x2388		/* Left VU Read 	     (r)	*/
#define RITVURD 	0x2389		/* Right VU Read	     (r)	*/

#define SBRST		0x0206		/* SB Reset		     (w)	*/
#define SBDATA		0x020A		/* SB Data Read 	     (r)	*/
#define SBCMD		0x020C		/* SB CMD Write/Status Read  (r/w)	*/
#define SBSTAT		0x020E		/* SB Data Status	     (r)	*/
#define MPUDATA 	0x0300		/* MPU-401 data reg	     (r/w)	*/
#define MPUCMD		0x0301		/* MPU-401 command reg	     (r/w)	*/

/* Sys Config 1 								*/

#define bSC1timena	0x01		/* shadow enable			*/
#define bSC1pcmemu	0x02		/* PCM Emulation of PAS1		*/
#define bSC128mhz	0x04		/* 28mhz clock divisor			*/
#define bSC1invcom	0x08		/* invert COM port interrupt input	*/
#define bSC1stspea	0x10		/* stereoize pc speaker 		*/
#define bSC1realsnd	0x20		/* smart real sound emulatio		*/
#define bSC1d6		0x40
#define bSC1mstrst	0x80		/* master chip reset			*/

/* Sys Config 2 								*/

#define bSC2ovrsmp	0x03		/* oversampling 0,1,2,4 		*/
#define bSC216bit	0x04		/* 16 bit audio 			*/
#define bSC212bit	0x08		/* 12 bit interleaving (d2 must be set) */
#define bSC2msbinv	0x10		/* invert MSB from standard method	*/
#define bSC2slavport	0x60		/* slave port bits			*/
#define bSC2vcolock	0x80		/* VCO locked (Sample Rate Clock Valid) */

/* Sys Config 3

#define bSC328mhzfil	0x01		/* PCM Rate uses 28mhz			*/
#define bSC31mhzsb	0x02		/* 1mhz timer for SB sample rate	*/
#define bSC3vcoinv	0x04		/* invert VCO output			*/
#define bSC3bclkinv	0x08		/* invert BCLK form 16 bit DAC		*/
#define bSC3lrsync	0x10		/* 0=L/R, 1 = Sync Pulse		*/
#define bSC3d5		0x20
#define bSC3d6		0x40
#define bSC3d7		0x80

/* Sys Config 4 								*/

#define bSC4drqahi	0x01		/* DRQ from drive active high		*/
#define bSC4dackahi	0x02		/* DRQ from drive active high		*/
#define bSC4intahi	0x04		/* INT from drive active high		*/
#define bSC4drqvalid	0x08		/* DRQ line valid from drive		*/
#define bSC4comena	0x10		/* enable COM interrupt 		*/
#define bSC4enascsi	0x20		/* enable SCSI interrupt		*/
#define bSC4drqptr	0xc0		/* DRQ timing pointer bits		*/

/* I/O Config 1 								*/

#define bIC1ps2ena	0x01		/* Enable Chip (PS2 only)		*/
#define bIC1comdcd	0x06		/* COM port decode pointer		*/
#define bIC1comint	0x38		/* COM port interrupt pointer		*/
#define bIC1joyena	0x40		/* Enable joystick read 		*/
#define bIC1wporena	0x80		/* Enable warm boot reset		*/

/* I/O Config 2 								*/

#define bIC2dmaptr	0x03		/* DMA channel select			*/

#define bIC28dmaptr	0x0f		/*  8 bit DMA channel select		*/
#define bIC216dmaptr	0xf0		/* 16 bit DMA channel select		*/

/* I/O Config 3 								*/

#define bIC3pcmint	0x0f		/* pcm IRQ channel select		*/
#define bIC3cdint	0xf0		/* cd  IRQ channel select		*/

/* Compatibility Register							*/

#define cpMPUEmulation	0x01		/* MPU emuation is on bit		*/
#define cpSBEmulation	0x02		/* SB emuation is on bit		*/

/* Emulation Address Pointer							*/

#define epSBptr 	0x0F		/* bit field for SB emulation		*/
#define epMPUptr	0xF0		/* bit field for MPU emulation		*/

/* Slave Mode Read								*/

#define bSMRDdrvtyp	0x03		/* drive interface type 		*/
#define bSMRDfmtyp	0x04		/* FM chip type 			*/
#define bSMRDdactyp	0x08		/* 16 bit dac (1) or 8 bit dac (0)	*/
#define bSMRDimidi	0x10		/* use internal MIDI			*/
#define bSMRDswrep	0x80		/* switch is auto repeating		*/

/* Master Mode Read								*/

#define bMMRDatps2	0x01		/* AT(1) or PS2(0) bus			*/
#define bMMRDtmremu	0x02		/* timer emulation enabled		*/
#define bMMRDmsmd	0x04		/* master/slave mode			*/
#define bMMRDslave	0x08		/* slave power on or device present	*/
#define bMMRDattim	0x10		/* xt/at timing 			*/
#define bMMRDmstrev	0xe0		/* master  rev level			*/

/* MIDI Control Register							*/

#define bMCRenatstmp	0x01		/* MIDI enable time stamp interrupt	*/
#define bMCRenacmptm	0x02		/* MIDI enable compare time interrupt	*/
#define bMCRenafifoi	0x04		/* MIDI enable FIFO input interrupt	*/
#define bMCRenafifoo	0x08		/* MIDI enable FIFO output interrupt	*/
#define bMCRenafifooh	0x10		/* MIDI enable FIFO output half int	*/
#define bMCRrstfifoi	0x20		/* MIDI reset Input FIFO pointer	*/
#define bMCRrstfifoo	0x40		/* MIDI reset Output FIFO pointer	*/
#define bMCRechoio	0x80		/* MIDI echo input to output (THRU)	*/

/* MIDI Status Register 							*/

#define bMSRtimstamp	0x01		/* MIDI time stamp interrupt		*/
#define bMSRcmptime	0x02		/* MIDI compare time interrupt		*/
#define bMSRififo	0x04		/* MIDI input FIFO data avail interrupt */
#define bMSRofifo	0x08		/* MIDI output FIFO empty interrupt	*/
#define bMSRofifohalf	0x10		/* MIDI output FIFO half empty interrupt*/
#define bMSRififoovr	0x20		/* MIDI input FIFO overrun error	*/
#define bMSRofifoovr	0x40		/* MIDI output FIFO overrun error	*/
#define bMSRframeerr	0x80		/* MIDI frame error			*/

/* MIDI FIFO count								*/

#define bMFCififo	0x0F		/* MIDI input FIFO count
#define bMFCofifo	0xF0		/* MIDI output FIFO count

/* Aux interrupt status/enable                                                  */

#define bAUfmrit	0x01		/* FM right interrupt			*/
#define bAUpushb	0x02		/* push button active			*/
#define bAUslavecpu	0x04		/* slave coprocessor			*/
#define bAUaux0int	0x08		/* aux 0 interrupt			*/
#define bAUaux1int	0x10		/* aux 1 interrupt			*/
#define bAUaux2int	0x20		/* aux 2 interrupt			*/
#define bAUaux3int	0x40		/* aux 3 interrupt			*/
#define bAUmastrcpu	0x80		/* master coprocessor or emulation activ*/

/* Push Buttons on the Front Panel						*/

#define bPSHuparrow	0x01		/* up arrow on the front panel		*/
#define bPSHdnarrow	0x02		/* down arrow on the front panel	*/
#define bPSHmute	0x04		/* mute on the front panel		*/
#define bPSauxbit1	0x08		/* unused bit...			*/
#define bPSauxbit2	0x10		/* unused bit...			*/
#define bPSauxbit3	0x20		/* unused bit...			*/
#define bPSauxbit4	0x40		/* unused bit...			*/
#define bPSauxbit5	0x80		/* unused bit...			*/

/*--------------------------====< PC HARDWARE >====--------------------------*/

/* Interrupt Controller #1 Port Addresses and Interrupt Masks			*/

#define IRQ1MASKREG	0x21		/* 8259 mask register			*/
#define IRQ1ACKREG	0x20		/* 8259 INT acknowledge register	*/

#define INT0MSK 	0x01		/* interrupt 0 mask			*/
#define INT1MSK 	0x02		/* interrupt 1 mask			*/
#define INT2MSK 	0x04		/* interrupt 2 mask			*/
#define INT3MSK 	0x08		/* interrupt 3 mask			*/
#define INT4MSK 	0x10		/* interrupt 4 mask			*/
#define INT5MSK 	0x20		/* interrupt 5 mask			*/
#define INT6MSK 	0x40		/* interrupt 6 mask			*/
#define INT7MSK 	0x80		/* interrupt 7 mask			*/

/* Interrupt Controller #2 Port Addresses and Interrupt Masks			*/

#define IRQ2MASKREG	0xA1		/* 8259 mask register			*/
#define IRQ2ACKREG	0xA0		/* 8259 INT acknowledge register	*/

#define INT8MSK 	0x01		/* interrupt 8 mask			*/
#define INT9MSK 	0x02		/* interrupt 9 mask			*/
#define INTAMSK 	0x04		/* interrupt A mask			*/
#define INTBMSK 	0x08		/* interrupt B mask			*/
#define INTCMSK 	0x10		/* interrupt C mask			*/
#define INTDMSK 	0x20		/* interrupt D mask			*/
#define INTEMSK 	0x40		/* interrupt E mask			*/
#define INTFMSK 	0x80		/* interrupt F mask			*/

#define EOI		020h		/* non specific end of interrupt	*/

/* dma controller #1 port addresses						*/

#define DMAC0ADDR	0x00		/* DMA channel 0 Base & Address 	*/
#define DMAC0COUNT	0x01		/* DMA channel 0 Base & Count		*/
#define DMAC1ADDR	0x02		/* DMA channel 1 Base & Address 	*/
#define DMAC1COUNT	0x03		/* DMA channel 1 Base & Count		*/
#define DMAC2ADDR	0x04		/* DMA channel 2 Base & Address 	*/
#define DMAC2COUNT	0x05		/* DMA channel 2 Base & Count		*/
#define DMAC3ADDR	0x06		/* DMA channel 3 Base & Address 	*/
#define DMAC3COUNT	0x07		/* DMA channel 3 Base & Count		*/

#define DMA2C4ADDR	0xC0		/* DMA channel 4 Base & Current Address */
#define DMA2C4COUNT	0xC2		/* DMA channel 4 Base & Current Count	*/
#define DMA2C5ADDR	0xC4		/* DMA channel 5 Base & Current Address */
#define DMA2C5COUNT	0xC6		/* DMA channel 5 Base & Current Count	*/
#define DMA2C6ADDR	0xC8		/* DMA channel 6 Base & Current Address */
#define DMA2C6COUNT	0xCA		/* DMA channel 6 Base & Current Count	*/
#define DMA2C7ADDR	0xCC		/* DMA channel 7 Base & Current Address */
#define DMA2C7COUNT	0xCE		/* DMA channel 7 Base & Current Count	*/

#define DMARDSTAT	0x08		/* DMA read status			*/
#define DMAWRCNTRL	0x08		/* DMA write command register		*/
#define DMAWREQ 	0x09		/* DMA write request register		*/
#define DMAWRSMR	0x0A		/* DMA write single mask reg.		*/
#define DMAWRMODE	0x0B		/* DMA write mode register		*/
#define DMACLEAR	0x0C		/* DMA clear low/high flip-flop 	*/
#define DMARDTEMP	0x0D		/* DMA read temp register		*/
#define DMAWRCLR	0x0D		/* DMA write master clear		*/
#define DMACLRMSK	0x0E		/* DMA clear mask register		*/
#define DMAWRALL	0x0F		/* DMA write all mask reg. bits 	*/

#define DMA2RDSTAT	0xD0		/* DMA read status			*/
#define DMA2WRCNTRL	0xD0		/* DMA write command register		*/
#define DMA2WREQ	0xD2		/* DMA write request register		*/
#define DMA2WRSMR	0xD4		/* DMA write single mask register	*/
#define DMA2WRMODE	0xD6		/* DMA write mode register		*/
#define DMA2CLEAR	0xD8		/* DMA clear low/high flip-flop 	*/
#define DMA2RDTEMP	0xDA		/* DMA read temp register		*/
#define DMA2WRCLR	0xDA		/* DMA write master clear		*/
#define DMA2CLRMSK	0xDC		/* DMA clear mask register		*/
#define DMA2WRALL	0xDE		/* DMA write all mask register bits	*/

#define CH0PAGEREG	0x87		/* Channel 0 Page Register		*/
#define CH1PAGEREG	0x83		/* Channel 1 Page Register		*/
#define CH2PAGEREG	0x81		/* Channel 2 Page Register		*/
#define CH3PAGEREG	0x82		/* Channel 3 Page Register		*/

#define CH5PAGEREG	0x8B		/* Channel 5 Page Register		*/
#define CH6PAGEREG	0x89		/* Channel 6 Page Register		*/
#define CH7PAGEREG	0x8A		/* Channel 7 Page Register		*/

/*---------------------====< MISCELLANEOUS DEFINES >====--------------------*/

#define LONG(i) (((long)i) & 0xffff)	/* casts int into long & clears high word*/
#define TRUE	-1
#define FALSE	0

;   /*\
;---|*| end of COMMON.H
;   \*/