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Daveo
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256
source/gfx/prim.h
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256
source/gfx/prim.h
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/******************/
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/*** Prim Stuff ***/
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/******************/
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#ifndef __PRIM_HEADER__
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#define __PRIM_HEADER__
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#ifndef _GLOBAL_HEADER_
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#include "system\global.h"
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#endif
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#include "gfx\gpugte.h"
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#include "gfx\tpage.h"
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#define MAX_OT (2048)
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#define MAX_PRIMS (2048+512)
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#define USE_NTAGS 1
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/*** Fast Replacements *********************************************************************************/
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#undef setaddr
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#undef getaddr
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#define set3(r0,r1) ({ __asm__ ( "swl %1, 2( %0 )" : : "r"( r0 ), "r"( r1 ) : "memory" ); })
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#define get3(r0) ({ unsigned long t; __asm__ ( "lwl %0, 2( %1 )" : "=r"(t) : "r"( r0) : "memory" ); t; })
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#define setaddr(_p0,_p1) set3((_p0), ((u32) (_p1)) << 8)
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#define getaddr(_p) (get3(_p) >> 8)
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#undef catPrim
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#define CatPrim catPrim
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#define catPrim( r0, r1 ) __asm__ volatile ( \
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"sll $12, %1, 8;" \
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"swl $12, 2( %0 )" \
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: \
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: "r"( r0 ), "r"( r1 ) \
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: "$12", "memory" )
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#ifdef USE_NTAGS
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/*** NTag Stuff **************************************************************************************/
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struct sOT
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{
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u32 *FirstPrim,*LastPrim;
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};
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#undef addPrim
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#define AddPrim addPrim
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#define addPrim(OT,Prim) \
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{ \
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if ((OT)->FirstPrim) \
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setaddr(((u32*)Prim), (OT)->FirstPrim); \
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else \
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(OT)->LastPrim = (u32*)(Prim); \
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(OT)->FirstPrim = (u32*)(Prim); \
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}
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#define NTAG_addPrims(_nt,_ps,_pe) \
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{ \
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if ((_nt)->FirstPrim) \
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setaddr((_pe), (_nt)->FirstPrim); \
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else \
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(_nt)->LastPrim = (_pe); \
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(_nt)->FirstPrim = (_ps); \
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}
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void ClearNTag(sOT *Ptr, long Count);
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void UnlinkNTag(sOT *Ptr, long Count, u32 *FirstNT);
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void UnlinkNTagR(sOT *Ptr, long Count, u32 *FirstNT);
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inline void UnlinkNTagtoNTag(sOT *to, sOT *from, long count)
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{
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sOT *ptr = from;
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for (; count; ptr++,count--) // for all NTAGs...
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{
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u_long *tag = ptr->FirstPrim;
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if (tag == NULL) // if it's blank...
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continue; // ...skip past it...
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NTAG_addPrims(to, ptr->FirstPrim, ptr->LastPrim);
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ptr->FirstPrim = NULL;
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}
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}
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#define InitOTag(Ot, Count) ClearNTag(Ot,Count);
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#define InitOTagR(Ot, Count) ClearNTag(Ot,Count);
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#define ResetOTag(Ot, Count) ;
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#define ResetOTagR(Ot, Count) ;
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#define UnlinkOTag(Ot, Count, Dma) UnlinkNTag(Ot, Count, Dma);
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#define UnlinkOTagR(Ot, Count, Dma) UnlinkNTagR(Ot, Count, Dma);
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#else
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/*** OTag Stuff **************************************************************************************/
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typedef u32 sOT;
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#undef addPrim
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#define AddPrim addPrim
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#define addPrim( r0, r1 ) __asm__ ( \
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"lwl $12, 2( %0 );" \
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"sll $13, %1, 8;" \
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"swl $13, 2( %0 );" \
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"swl $12, 2( %1 )" \
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: \
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: "r"( r0 ), "r"( r1 ) \
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: "$12", "$13", "memory" )
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#undef addPrims
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#define AddPrims addPrims
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#define addPrims( r0, r1, r2 ) __asm__ ( \
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"lwl $12, 2( %0 );" \
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"sll $13, %1, 8;" \
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"swl $13, 2( %0 );" \
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"swl $12, 2( %2 )" \
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: \
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: "r"( r0 ), "r"( r1 ), "r"( r2 ) \
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: "$12", "$13", "memory" )
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#define InitOTag(Ot, Count) ClearOTag(Ot,Count);
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#define InitOTagR(Ot, Count) ClearOTagR(Ot,Count);
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#define ResetOTag(Ot, Count) InitOTag(Ot,Count);
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#define ResetOTagR(Ot, Count) InitOTagR(Ot,Count);
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#define UnlinkOTag(OtPtr, MAX_OT, Dma) ;
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#define UnlinkOTagR(OtPtr, MAX_OT, Dma) ;
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#endif
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/*** Main Prim Stuff **********************************************************************************/
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#define GetPrim(Ptype) GetPrimSpace(Ptype,CurrPrim);
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#define GetPrimF3() GetPrim(POLY_F3);\
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setPolyF3(CurrPrim-sizeof(POLY_F3))
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#define GetPrimF4() GetPrim(POLY_F4);\
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setPolyF4(CurrPrim-sizeof(POLY_F4))
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#define GetPrimFT3() GetPrim(POLY_FT3);\
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setPolyFT3(CurrPrim-sizeof(POLY_FT3))
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#define GetPrimFT4() GetPrim(POLY_FT4);\
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setPolyFT4(CurrPrim-sizeof(POLY_FT4))
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#define GetPrimG3() GetPrim(POLY_G3);\
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setPolyG3(CurrPrim-sizeof(POLY_G3))
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#define GetPrimG4() GetPrim(POLY_G4);\
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setPolyG4(CurrPrim-sizeof(POLY_G4))
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#define GetPrimGT3() GetPrim(POLY_GT3);\
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setPolyGT3(CurrPrim-sizeof(POLY_GT3))
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#define GetPrimGT4() GetPrim(POLY_GT4);\
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setPolyGT4(CurrPrim-sizeof(POLY_GT4))
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#define GetPrimLF2() GetPrim(LINE_F2); \
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setLineF2(CurrPrim-sizeof(LINE_F2))
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#define GetPrimLF3() GetPrim(LINE_F3);\
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setLineF3(CurrPrim-sizeof(LINE_F3))
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#define GetPrimLF4() GetPrim(LINE_F4);\
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setLineF4((LINE_F4*)CurrPrim-1)
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#define GetPrimLG2() GetPrim(LINE_G2);\
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setLineG2(CurrPrim-sizeof(LINE_G2))
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#define GetPrimLG3() GetPrim(LINE_G3);\
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setLineG3(CurrPrim-sizeof(LINE_G3))
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#define GetPrimLG4() GetPrim(LINE_G4);\
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setLineG4(CurrPrim-sizeof(LINE_G4))
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/********************************************************************************************************/
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#define OtInRange (MAX_OT-1)
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#define OtOutRange (0xffffffff-OtInRange)
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#define OTCheck(x) (x&OtOutRange)
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#define IsInOTRange(x) (!OTCheck(x))
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/********************************************************************************************************/
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#define MAX_PRIM_SIZE (sizeof(POLY_FT4))
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#define PRIMPOOL_SIZE (MAX_PRIMS*MAX_PRIM_SIZE)
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#define OTLIST_SIZE (MAX_OT*sizeof(sOT))
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/********************************************************************************************************/
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extern sOT *OtPtr;
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extern u8 *CurrPrim,*EndPrim;
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extern u8 *PrimListStart,*PrimListEnd;
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extern int PrimFlipFlag;
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/********************************************************************************************************/
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const u32 PrimSXY_ClipCode = (256 << 16) | 512;
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/********************************************************************************************************/
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void PrimInit();
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void PrimDisplay();
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void PrimClip(RECT *r, u32 Depth);
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void PrimFullScreen(int Depth);
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inline u8 *GetPrimPtr() {return(CurrPrim);}
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inline void SetPrimPtr(u8 *Ptr) {CurrPrim=Ptr;}
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void SetPrimCheck();
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LINE_F2 *DrawLine(int _x0,int _y0,int _x1,int _y1,int _r,int _g,int _b,int _ot);
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LINE_G2 *DrawGLine(int _x0,int _y0,int _x1,int _y1,int _r1,int _g1,int _b1,int _r2,int _g2,int _b2,int _ot);
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/********************************************************************************************************/
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/*** Inlines ********************************************************************************************/
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/********************************************************************************************************/
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inline void AddPrimToList(void *Prim,u32 Depth)
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{
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ASSERT(Depth<MAX_OT);
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addPrim(OtPtr+Depth,(u32*)Prim);
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}
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/*-----------------------------------------------------------------------------------------------------*/
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inline void GetFrameUV(sFrameHdr *Fr, u8 *U,u8 *V)
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{
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*U=Fr->U;
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*V=Fr->V;
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}
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/*-----------------------------------------------------------------------------------------------------*/
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inline void GetFrameUVWH(sFrameHdr *Fr,u8 *U,u8 *V,u8 *W,u8 *H)
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{
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*U=Fr->U;
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*V=Fr->V;
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*W=Fr->W;
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*H=Fr->H;
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}
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/*-----------------------------------------------------------------------------------------------------*/
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inline void GetFrameWH(sFrameHdr *Fr,u8 *W,u8 *H)
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{
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*W=Fr->W;
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*H=Fr->H;
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}
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/*-----------------------------------------------------------------------------------------------------*/
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inline int GetFrameClut(sFrameHdr *Fr)
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{
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return(Fr->Clut);
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}
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/*-----------------------------------------------------------------------------------------------------*/
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inline int GetFrameTPage(sFrameHdr *Fr)
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{
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return(Fr->TPage);
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}
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#endif
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