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Annotation of uae/src/include/custom.h, revision 1.1

1.1     ! root        1:  /* 
        !             2:   * UAE - The Un*x Amiga Emulator
        !             3:   * 
        !             4:   * custom chip support
        !             5:   *
        !             6:   * (c) 1995 Bernd Schmidt
        !             7:   */
        !             8: 
        !             9: extern void custom_init(void);
        !            10: extern void customreset(void);
        !            11: extern int intlev(void);
        !            12: extern void dumpcustom(void);
        !            13: 
        !            14: extern void do_disk(void);
        !            15: 
        !            16: extern int inhibit_frame;
        !            17: extern int bogusframe;
        !            18: 
        !            19: extern UWORD dmacon;
        !            20: extern UWORD intena,intreq;
        !            21: static __inline__ int dmaen(UWORD dmamask)
        !            22: {
        !            23:     return (dmamask & dmacon) && (dmacon & 0x200);
        !            24: }
        !            25: 
        !            26: #define SPCFLAG_BLIT 1
        !            27: #define SPCFLAG_STOP 2
        !            28: #define SPCFLAG_DISK 4
        !            29: #define SPCFLAG_INT  8
        !            30: #define SPCFLAG_BRK  16
        !            31: #define SPCFLAG_EXTRA_CYCLES 32
        !            32: #define SPCFLAG_TRACE 64
        !            33: #define SPCFLAG_DOTRACE 128
        !            34: #define SPCFLAG_DOINT 256
        !            35: #define SPCFLAG_BLTNASTY 512
        !            36: #define SPCFLAG_EXEC 1024
        !            37: #define SPCFLAG_EMULTRAP 2048
        !            38: 
        !            39: #define PRESERVED_FLAGS (SPCFLAG_DISK|SPCFLAG_BLIT|SPCFLAG_BLTNASTY)
        !            40: 
        !            41: extern int dskdmaen;
        !            42: extern UWORD adkcon;
        !            43: 
        !            44: extern int max_diwstop, prev_max_diwstop;
        !            45: 
        !            46: extern UWORD joy0dir;
        !            47: extern int joy0button;
        !            48: 
        !            49: extern void INTREQ(UWORD);
        !            50: extern UWORD INTREQR(void);
        !            51: 
        !            52: #define maxhpos 227
        !            53: #define maxvpos 312
        !            54: #define minfirstline 29
        !            55: #define numscrlines (maxvpos+1-minfirstline+1)
        !            56: 
        !            57: #define DMA_AUD0      0x0001
        !            58: #define DMA_AUD1      0x0002
        !            59: #define DMA_AUD2      0x0004
        !            60: #define DMA_AUD3      0x0008
        !            61: #define DMA_DISK      0x0010
        !            62: #define DMA_SPRITE    0x0020
        !            63: #define DMA_BLITTER   0x0040
        !            64: #define DMA_COPPER    0x0080
        !            65: #define DMA_BITPLANE  0x0100
        !            66: #define DMA_BLITPRI   0x0400
        !            67: /*
        !            68: struct bltinfo {
        !            69:     int blitzero;
        !            70:     UWORD blitpreva,blitprevb,blitashift,blitbshift;
        !            71:     UWORD bltadat,bltbdat,bltcdat,bltddat,bltafwm,bltalwm;
        !            72:     UWORD vblitsize,hblitsize;
        !            73:     WORD  bltamod,bltbmod,bltcmod,bltdmod;
        !            74: };
        !            75: 
        !            76: extern void do_blitter(void);
        !            77: 
        !            78: typedef void blitter_func(UWORD *, UWORD *, UWORD *, UWORD *, struct bltinfo *);
        !            79: 
        !            80: extern blitter_func *blitfunc_dofast[256];
        !            81: extern blitter_func *blitfunc_dofast_desc[256];
        !            82: */

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