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regs.h

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/*
        $Id: regs.h,v 1.1 2001/03/06 15:09:17 mbn Exp $

        ------------------------------------------------------------------------
        ClanLib, the platform independent game SDK.

        This library is distributed under the GNU LIBRARY GENERAL PUBLIC LICENSE
        version 2. See COPYING for details.

        For a total list of contributers see CREDITS.

        ------------------------------------------------------------------------

*/

#define FNORM_TO_F0915(x)       (((uint32) ((x*256) * (1 << 15))) & 0x00FFFFFF)
#define F1220(x)                        ((uint32)((x) * (1 << 20)))
#define F1616(x)                        ((uint32)((x) * (1 << 16)))

#define DWGSYNC         0x2C4C
#define SYNC_DMA_BUSY   0x8325340              /* just a random number */

#define OPMODE          0x1E54

/* Alpha registers */

#define ALPHACTRL       0x2C7C
#define ALPHASTART      0x2C70
#define ALPHAXINC       0x2C74
#define ALPHAYINC       0x2C78

/* Texture registers */

#define TEXCTL          0x2C30
#define TEXCTL2         0x2C3C
#define TEXFILTER       0x2C58
#define TEXWIDTH        0x2C28
#define TEXHEIGHT       0x2C2C
#define TEXORG          0x2C24
#define TEXTRANS        0x2C34
#define TEXTRANSHIGH    0x2C38

#define TMR0            0x2C00
#define TMR1            0x2C04
#define TMR2            0x2C08
#define TMR3            0x2C0C
#define TMR4            0x2C10
#define TMR5            0x2C14
#define TMR6            0x2C18
#define TMR7            0x2C1C
#define TMR8            0x2C20

/* Alpha flags */

#define SRC_ALPHA               0x004
#define DST_ONE_MINUS_SRC_ALPHA 0x050
#define ALPHACHANNEL            0x100

/* Texture flags */

#define LINEXT          0x00100
#define TW16            0x00003
#define MIN_BILINEAR    0x00002
#define MAG_BILINEAR    0x00020
#define DECALDIS        0x00004
#define CKSTRANSDIS     0x00010


/*
 * The following part is from ggi's mga code:
 *    Copyright (C) 1999 Marcus Sundberg   [marcus@ggi-project.org]
 *         www.ggi-project.org
 */

#define EXECUTE         0x100   /* or with register to execute a programmed
                                   accel command */

#define DWGCTL          0x1C00  /* Drawing control */
        /* opcod - Operation code */
#       define OP_LINE_OPEN             0x00
#       define OP_AUTOLINE_OPEN         0x01
#       define OP_LINE_CLOSE            0x02
#       define OP_AUTOLINE_CLOSE        0x03
#       define OP_TRAP                  0x04
#       define OP_TRAP_ILOAD            0x05
#       define OP_TEXTURE_TRAP          0x06
#       define OP_BITBLT                0x08
#       define OP_FBITBLT               0x0C
#       define OP_ILOAD                 0x09
#       define OP_ILOAD_SCALE           0x0D
#       define OP_ILOAD_FILTER          0x0F
#       define OP_IDUMP                 0x0A
#       define OP_ILOAD_HIQH            0x07
#       define OP_ILOAD_HIQHV           0x0E

        /* atype - Access type */
#       define ATYPE_MASK       0x70
#       define ATYPE_RPL        0x00
#       define ATYPE_RSTR       0x10
#       define ATYPE_ZI         0x30
#       define ATYPE_BLK        0x40
#       define ATYPE_I          0x70

        /* Flag */
#       define LINEAR           0x80
#       define NOCLIP           (1<<31)
#       define TRANS            (1<<30)

        /* zmode - Z drawing mode */
#       define ZMODE_NOZCMP     0x000
#       define ZMODE_ZE         0x200
#       define ZMODE_ZNE        0x300
#       define ZMODE_ZLT        0x400
#       define ZMODE_ZLTE       0x500
#       define ZMODE_ZGT        0x600
#       define ZMODE_ZGTE       0x700

        /* Flags */
#       define SOLID            0x0800
#       define ARZERO           0x1000
#       define SGNZERO          0x2000
#       define SHFTZERO         0x4000

        /* bop - Boolean operation */
#       define BOP_CLEAR        0x00000
#       define BOP_NOR          0x10000
#       define BOP_COPYINV      0x30000
#       define BOP_INVERT       0x50000
#       define BOP_XOR          0x60000
#       define BOP_NAND         0x70000
#       define BOP_AND          0x80000
#       define BOP_EQUIV        0x90000
#       define BOP_NOOP         0xA0000
#       define BOP_IMP          0xB0000
#       define BOP_COPY         0xC0000
#       define BOP_OR           0xE0000
#       define BOP_SET          0xF0000

        /* bltmod - Blit mode selection */
#       define BLTMOD_BMONOLEF  0x00000000
#       define BLTMOD_BMONOWF   0x08000000
#       define BLTMOD_BPLAN     0x02000000
#       define BLTMOD_BFCOL     0x04000000
#       define BLTMOD_BUYUV     0x1C000000
#       define BLTMOD_BU32BGR   0x06000000
#       define BLTMOD_BU32RGB   0x0E000000
#       define BLTMOD_BU24BGR   0x16000000
#       define BLTMOD_BU24RGB   0x1E000000

#define MACCESS         0x1C04
#define ZORG            0x1C0C
#define PAT0            0x1C10
#define PAT1            0x1C14
#define PLNWT           0x1C1C
#define BCOL            0x1C20
#define FCOL            0x1C24
#define SRC0            0x1C30
#define SRC1            0x1C34
#define SRC2            0x1C38
#define SRC3            0x1C3C
#define XYSTRT          0x1C40
#define XYEND           0x1C44
#define SHIFT           0x1C50
#define DMAPAD          0x1C54
#define SGN             0x1C58
#define LEN             0x1C5C
#define AR0             0x1C60
#define AR1             0x1C64
#define AR2             0x1C68
#define AR3             0x1C6C
#define AR4             0x1C70
#define AR5             0x1C74
#define AR6             0x1C78
#define CXBNDRY         0x1C80
#define FXBNDRY         0x1C84
#define YDSTLEN         0x1C88
#define PITCH           0x1C8C
#define YDST            0x1C90
#define YDSTORG         0x1C94
#define YTOP            0x1C98
#define YBOT            0x1C9C
#define CXLEFT          0x1CA0
#define CXRIGHT         0x1CA4
#define FXLEFT          0x1CA8
#define FXRIGHT         0x1CAC
#define XDST            0x1CB0
#define DR0             0x1CC0
#define DR2             0x1CC8
#define DR3             0x1CCC
#define DR4             0x1CD0
#define DR6             0x1CD8
#define DR7             0x1CDC
#define DR8             0x1CE0
#define WO              0x1CE4
#define DR10            0x1CE8
#define DR11            0x1CEC
#define DR12            0x1CF0
#define DR14            0x1CF8
#define DR15            0x1CFC

#define FIFOSTATUS      0x1E10
#define STATUS          0x1E14

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