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Amiga Developer CD v1.2
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amidev_cd_12.iso
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inc&ad2.0
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includes
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hardware
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custom.h
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C/C++ Source or Header
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1992-09-01
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5KB
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181 lines
#ifndef HARDWARE_CUSTOM_H
#define HARDWARE_CUSTOM_H
/*
** $Filename: hardware/custom.h $
** $Release: 2.04 Includes, V37.4 $
** $Revision: 36.4 $
** $Date: 90/11/05 $
**
** Offsets of Amiga custom chip registers
**
** (C) Copyright 1985-1991 Commodore-Amiga, Inc.
** All Rights Reserved
*/
#ifndef EXEC_TYPES_H
#include "exec/types.h"
#endif /* EXEC_TYPES_H */
/*
* do this to get base of custom registers:
* extern struct Custom custom;
*/
struct Custom {
UWORD bltddat;
UWORD dmaconr;
UWORD vposr;
UWORD vhposr;
UWORD dskdatr;
UWORD joy0dat;
UWORD joy1dat;
UWORD clxdat;
UWORD adkconr;
UWORD pot0dat;
UWORD pot1dat;
UWORD potinp;
UWORD serdatr;
UWORD dskbytr;
UWORD intenar;
UWORD intreqr;
APTR dskpt;
UWORD dsklen;
UWORD dskdat;
UWORD refptr;
UWORD vposw;
UWORD vhposw;
UWORD copcon;
UWORD serdat;
UWORD serper;
UWORD potgo;
UWORD joytest;
UWORD strequ;
UWORD strvbl;
UWORD strhor;
UWORD strlong;
UWORD bltcon0;
UWORD bltcon1;
UWORD bltafwm;
UWORD bltalwm;
APTR bltcpt;
APTR bltbpt;
APTR bltapt;
APTR bltdpt;
UWORD bltsize;
UBYTE pad2d;
UBYTE bltcon0l; /* low 8 bits of bltcon0, write only */
UWORD bltsizv;
UWORD bltsizh; /* 5e */
UWORD bltcmod;
UWORD bltbmod;
UWORD bltamod;
UWORD bltdmod;
UWORD pad34[4];
UWORD bltcdat;
UWORD bltbdat;
UWORD bltadat;
UWORD pad3b[3];
UWORD deniseid; /* 7c */
UWORD dsksync;
ULONG cop1lc;
ULONG cop2lc;
UWORD copjmp1;
UWORD copjmp2;
UWORD copins;
UWORD diwstrt;
UWORD diwstop;
UWORD ddfstrt;
UWORD ddfstop;
UWORD dmacon;
UWORD clxcon;
UWORD intena;
UWORD intreq;
UWORD adkcon;
struct AudChannel {
UWORD *ac_ptr; /* ptr to start of waveform data */
UWORD ac_len; /* length of waveform in words */
UWORD ac_per; /* sample period */
UWORD ac_vol; /* volume */
UWORD ac_dat; /* sample pair */
UWORD ac_pad[2]; /* unused */
} aud[4];
APTR bplpt[8];
UWORD bplcon0;
UWORD bplcon1;
UWORD bplcon2;
UWORD bplcon3;
UWORD bpl1mod;
UWORD bpl2mod;
UWORD bplhmod;
UWORD pad86[1];
UWORD bpldat[8];
APTR sprpt[8];
struct SpriteDef {
UWORD pos;
UWORD ctl;
UWORD dataa;
UWORD datab;
} spr[8];
UWORD color[32];
UWORD htotal;
UWORD hsstop;
UWORD hbstrt;
UWORD hbstop;
UWORD vtotal;
UWORD vsstop;
UWORD vbstrt;
UWORD vbstop;
UWORD sprhstrt;
UWORD sprhstop;
UWORD bplhstrt;
UWORD bplhstop;
UWORD hhposw;
UWORD hhposr;
UWORD beamcon0;
UWORD hsstrt;
UWORD vsstrt;
UWORD hcenter;
UWORD diwhigh; /* 1e4 */
};
#ifdef ECS_SPECIFIC
/* defines for beamcon register */
#define VARVBLANK 0x1000 /* Variable vertical blank enable */
#define LOLDIS 0x0800 /* long line disable */
#define CSCBLANKEN 0x0400 /* redirect composite sync */
#define VARVSYNC 0x0200 /* Variable vertical sync enable */
#define VARHSYNC 0x0100 /* Variable horizontal sync enable */
#define VARBEAM 0x0080 /* variable beam counter enable */
#define DISPLAYDUAL 0x0040 /* use UHRES pointer and standard pointers */
#define DISPLAYPAL 0x0020 /* set decodes to generate PAL display */
#define VARCSYNC 0x0010 /* Variable composite sync enable */
#define CSBLANK 0x0008 /* Composite blank out to CSY* pin */
#define CSYNCTRUE 0x0004 /* composite sync true signal */
#define VSYNCTRUE 0x0002 /* vertical sync true */
#define HSYNCTRUE 0x0001 /* horizontal sync true */
/* new defines for bplcon0 */
#define USE_BPLCON3 1
/* new defines for bplcon2 */
#define BPLCON2_ZDCTEN (1<<10) /* colormapped genlock bit */
#define BPLCON2_ZDBPEN (1<<11) /* use bitplane as genlock bits */
#define BPLCON2_ZDBPSEL0 (1<<12) /* three bits to select one */
#define BPLCON2_ZDBPSEL1 (1<<13) /* of 8 bitplanes in */
#define BPLCON2_ZDBPSEL2 (1<<14) /* ZDBPEN genlock mode */
/* defines for bplcon3 register */
#define BPLCON3_EXTBLNKEN (1<<0) /* external blank enable */
#define BPLCON3_EXTBLKZD (1<<1) /* external blank ored into trnsprncy */
#define BPLCON3_ZDCLKEN (1<<2) /* zd pin outputs a 14mhz clock*/
#define BPLCON3_BRDNTRAN (1<<4) /* border is opaque */
#define BPLCON3_BRDNBLNK (1<<5) /* border is opaque */
#endif /* ECS_SPECIFIC */
#endif /* HARDWARE_CUSTOM_H */