kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
50 wiersze
1.3 KiB
C
50 wiersze
1.3 KiB
C
/*
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* UAE - The Un*x Amiga Emulator
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*
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* Blitter emulation
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*
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* (c) 1995 Bernd Schmidt
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*/
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#if 0
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struct bltinfo {
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int blitzero;
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int blitashift,blitbshift,blitdownashift,blitdownbshift;
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uae_u32 bltadat, bltbdat, bltcdat,bltddat,bltahold,bltbhold,bltafwm,bltalwm;
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int vblitsize,hblitsize;
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int bltamod,bltbmod,bltcmod,bltdmod;
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};
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#else
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struct bltinfo {
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int blitzero;
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int blitashift,blitbshift,blitdownashift,blitdownbshift;
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uae_u16 bltadat, bltbdat, bltcdat,bltddat,bltahold,bltbhold,bltafwm,bltalwm;
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int vblitsize,hblitsize;
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int bltamod,bltbmod,bltcmod,bltdmod;
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};
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#endif
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extern enum blitter_states {
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BLT_done, BLT_init, BLT_read, BLT_work, BLT_write, BLT_next
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} bltstate;
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extern struct bltinfo blt_info;
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extern uae_u16 bltsize, oldvblts;
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extern uae_u16 bltcon0,bltcon1;
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extern int blinea_shift;
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extern uae_u32 bltapt,bltbpt,bltcpt,bltdpt;
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extern void maybe_blit (void);
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extern void blitter_handler (void);
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extern void build_blitfilltable (void);
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extern void do_blitter (void);
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extern void blitter_done_notify (void);
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typedef void blitter_func(uae_u8 *, uae_u8 *, uae_u8 *, uae_u8 *, struct bltinfo *);
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#define BLITTER_MAX_WORDS 2048
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extern blitter_func *blitfunc_dofast[256];
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extern blitter_func *blitfunc_dofast_desc[256];
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extern uae_u32 blit_masktable[BLITTER_MAX_WORDS];
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