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Annotation of uae/src/include/custom.h, revision 1.1.1.3

1.1.1.3 ! root        1:  /*
1.1       root        2:   * UAE - The Un*x Amiga Emulator
1.1.1.3 ! root        3:   *
1.1       root        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: 
1.1.1.3 ! root       16: extern void notice_new_xcolors (void);
        !            17: extern void notice_screen_contents_lost (void);
        !            18: extern void init_row_map(void);
        !            19: 
        !            20: extern int picasso_requested_on;
        !            21: extern int picasso_on;
        !            22: 
        !            23: /* Set to 1 to leave out the current frame in average frame time calculation.
        !            24:  * Useful if the debugger was active.  */
1.1       root       25: extern int bogusframe;
                     26: 
1.1.1.3 ! root       27: extern uae_u16 dmacon;
        !            28: extern uae_u16 intena,intreq;
1.1.1.2   root       29: 
                     30: extern int current_hpos (void);
1.1.1.3 ! root       31: extern int vpos;
1.1.1.2   root       32: 
1.1.1.3 ! root       33: static __inline__ int dmaen(unsigned int dmamask)
1.1       root       34: {
                     35:     return (dmamask & dmacon) && (dmacon & 0x200);
                     36: }
                     37: 
                     38: #define SPCFLAG_STOP 2
                     39: #define SPCFLAG_DISK 4
                     40: #define SPCFLAG_INT  8
                     41: #define SPCFLAG_BRK  16
                     42: #define SPCFLAG_EXTRA_CYCLES 32
                     43: #define SPCFLAG_TRACE 64
                     44: #define SPCFLAG_DOTRACE 128
                     45: #define SPCFLAG_DOINT 256
                     46: #define SPCFLAG_BLTNASTY 512
                     47: #define SPCFLAG_EXEC 1024
1.1.1.2   root       48: #define SPCFLAG_MODE_CHANGE 8192
1.1       root       49: 
                     50: extern int dskdmaen;
1.1.1.3 ! root       51: extern uae_u16 adkcon;
1.1       root       52: 
1.1.1.3 ! root       53: extern unsigned int joy0dir, joy1dir;
        !            54: extern int joy0button, joy1button;
        !            55: extern uae_u32 mousehack_helper (void);
        !            56: 
        !            57: extern void INTREQ(uae_u16);
        !            58: extern uae_u16 INTREQR(void);
        !            59: extern uae_u16 DMACONR(void);
1.1       root       60: 
                     61: #define maxhpos 227
                     62: #define maxvpos 312
1.1.1.2   root       63: /* The HRM says: The vertical blanking area (PAL) ranges from line 0 to line 29,
                     64:  * and no data can be displayed there. Nevertheless, we lose some overscan data
                     65:  * if this is set to 29. */
                     66: #define minfirstline 21
                     67: #define vblank_endline 29
1.1       root       68: #define numscrlines (maxvpos+1-minfirstline+1)
                     69: 
                     70: #define DMA_AUD0      0x0001
                     71: #define DMA_AUD1      0x0002
                     72: #define DMA_AUD2      0x0004
                     73: #define DMA_AUD3      0x0008
                     74: #define DMA_DISK      0x0010
                     75: #define DMA_SPRITE    0x0020
                     76: #define DMA_BLITTER   0x0040
                     77: #define DMA_COPPER    0x0080
                     78: #define DMA_BITPLANE  0x0100
                     79: #define DMA_BLITPRI   0x0400
1.1.1.2   root       80: 
                     81: extern unsigned long frametime, timeframes;
                     82: 
1.1.1.3 ! root       83: /* 50 words give you 800 horizontal pixels. An A500 can't do that, so it ought
        !            84:  * to be enough. */
        !            85: #define MAX_WORDS_PER_LINE 50
        !            86: 
        !            87: extern uae_u32 hirestab_h[256][2];
        !            88: extern uae_u32 lorestab_h[256][4];
        !            89: 
        !            90: extern uae_u32 hirestab_l[256][1];
        !            91: extern uae_u32 lorestab_l[256][2];

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