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Daveo
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445
source/system/vid.cpp
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445
source/system/vid.cpp
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/******************/
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/*** GFx System ***/
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/******************/
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#include "system/global.h"
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#include "system\vid.h"
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#include "gfx\prim.h"
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#include "fileio\fileio.h"
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#ifndef __SPR_UIGFX_H__
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#include <uigfx.h>
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#endif
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/*****************************************************************************/
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#define MaxVBFuncs 4
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/*****************************************************************************/
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static void (*VbFunc)(void);
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static VbFuncType VbFuncList[MaxVBFuncs];
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static u32 FrameCounter=0,TickCount=0,TickBuffer[2];
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static sVidScreen Screen[2];
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static int ScreenXOfs=0,ScreenYOfs=0;
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static int ScreenW, ScreenH;
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static RECT ScreenRect;
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/*static*/ int FrameFlipFlag=0;
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static int ClearScreen=0;
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static u8 *ScreenImage=0;
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static const CVECTOR s_defClearCol = {0, 0, 0};
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/*****************************************************************************/
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/*** Loading Icon Cack *******************************************************/
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/*****************************************************************************/
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POLY_FT4 LoadPoly[2];
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static int LoadX=430;
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static int LoadY=161;
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static int LoadHalfWidth;
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static int LoadIconSide;
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static int DrawLoadIcon=0;
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static RECT LoadBackRect;
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static int LoadBackY;
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static int LoadTime=0;
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/*****************************************************************************/
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// Altered to keep aspect ratio
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s8 LoadTab[]=
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{
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21,21,21,21,20,20,20,20,19,19,19,18,18,17,17,16,15,14,13,12,11,10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,17,18,18,19,19,19,20,20,20,20,20,21
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};
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const int LoadTabSize=sizeof(LoadTab)/sizeof(s8);
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/*****************************************************************************/
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void LoadingIcon()
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{
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int Dst;
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int rgb;
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POLY_FT4 *PolyPtr=&LoadPoly[LoadIconSide];
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Dst=LoadTab[LoadTime];
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PolyPtr->x0=PolyPtr->x2=LoadX-Dst+LoadHalfWidth+2;
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PolyPtr->x1=PolyPtr->x3=LoadX+Dst+LoadHalfWidth+2;
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rgb=128-(LoadTab[(LoadTime+LoadTabSize/2)%LoadTabSize]*3);
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setRGB0(PolyPtr,rgb,rgb,rgb);
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MoveImage(&LoadBackRect,LoadX,LoadY+LoadBackY);
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PutDrawEnv(&Screen[FrameFlipFlag^1].Draw);
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DrawPrim(PolyPtr);
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LoadTime++;
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if (LoadTime>=LoadTabSize) LoadTime=0;
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if(LoadTime==LoadTabSize/2) LoadIconSide^=1;
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}
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/*****************************************************************************/
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void StartLoad(int _loadX,int _loadY)
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{
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/*
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sFrameHdr *fh;
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SpriteBank *spr;
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spr=UIGetSharedSpriteBank();
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LoadX=_loadX;
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LoadY=_loadY;
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setPolyFT4(&LoadPoly[0]);
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fh=spr->getFrameHeader(FRM__CD);
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setXYWH(&LoadPoly[0],LoadX,LoadY,fh->W,fh->H);
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setUVWH(&LoadPoly[0],fh->U,fh->V,fh->W,fh->H);
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LoadPoly[0].tpage=fh->TPage;
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LoadPoly[0].clut=fh->Clut;
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setPolyFT4(&LoadPoly[1]);
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fh=spr->getFrameHeader(FRM__CDFRONT);
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setXYWH(&LoadPoly[1],LoadX,LoadY,fh->W,fh->H);
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setUVWH(&LoadPoly[1],fh->U,fh->V,fh->W,fh->H);
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LoadPoly[1].tpage=fh->TPage;
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LoadPoly[1].clut=fh->Clut;
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LoadHalfWidth=fh->W/2;
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Screen[0].Draw.isbg=Screen[1].Draw.isbg=0;
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PutDrawEnv(&Screen[FrameFlipFlag^1].Draw);
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PutDispEnv(&Screen[FrameFlipFlag].Disp);
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LoadBackY=Screen[FrameFlipFlag^1].Disp.disp.y;
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setRECT(&LoadBackRect,LoadX,LoadY+(LoadBackY^256),fh->W+4,fh->H+4);
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LoadTime=0;
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DrawLoadIcon=1;
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LoadIconSide=0;
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*/
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}
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/*****************************************************************************/
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void StopLoad()
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{
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while(LoadTime)
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{
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VSync(0);
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}
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Screen[0].Draw.isbg=Screen[1].Draw.isbg=1;
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DrawLoadIcon=0;
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}
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/*****************************************************************************/
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/*** VSync *******************************************************************/
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/*****************************************************************************/
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extern "C"
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{
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static void VidVSyncCallback()
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{
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int i;
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FrameCounter++;
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TickCount++;
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if (DrawLoadIcon) LoadingIcon();
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if (VbFunc)
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{
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VbFunc();
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VbFunc = NULL;
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}
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for (i=0; i< MaxVBFuncs; i++) if (VbFuncList[i]) VbFuncList[i]();
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}
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}
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/*****************************************************************************/
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void VidAddVSyncFunc(VbFuncType v)
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{
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int i;
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for (i=0; i<MaxVBFuncs; i++)
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{
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if (!VbFuncList[i])
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{
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VbFuncList[i] = v;
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return;
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}
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}
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ASSERT(!"Number of Vsync Funcs == MaxVBFuncs");
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}
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/*****************************************************************************/
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void VidRemoveVSyncFunc(VbFuncType v)
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{
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int i;
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for (i=0; i<MaxVBFuncs; i++)
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{
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if (VbFuncList[i] == v)
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{
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VbFuncList[i] = NULL;
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return;
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}
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}
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ASSERT(!"VSYNC Func Not Found");
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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int VidGetXOfs() {return(ScreenXOfs);}
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int VidGetYOfs() {return(ScreenYOfs);}
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void VidSetXYOfs(int x,int y) {ScreenXOfs = x; ScreenYOfs = y;}
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int VidGetScrW() {return(ScreenW);}
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int VidGetScrH() {return(ScreenH);}
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sVidScreen *VidGetScreen() {return &Screen[FrameFlipFlag];}
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sVidScreen *VidGetDispScreen() {return (VidGetScreen());}
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sVidScreen *VidGetDrawScreen() {return &Screen[FrameFlipFlag^1];}
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u32 VidGetFrameCount() {return(FrameCounter);}
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u32 VidGetTickCount() {return(TickBuffer[FrameFlipFlag^1]);}
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void SetScreenImage(u8 *Ptr) {ScreenImage=Ptr;}
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u8 *GetScreenImage() {return ScreenImage;}
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void ClearScreenImage() {ScreenImage=0;}
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/*****************************************************************************/
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void ClearVRam()
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{
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#if defined(__VERSION_DEBUG__) && !defined(__USER_CDBUILD__)
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RECT Rect;
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//Clear All Videoram
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setRECT(&Rect,512,0,512,512);
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ClearImage(&Rect,0,0,0);
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int X;
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for (X=0;X<16;X++)
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{
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u8 C0=0xff*(X&1);
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DrawSync(0); setRECT(&Rect,X*64, 0,1024/16,256); ClearImage(&Rect,C0,0,0xff-C0);
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DrawSync(0); setRECT(&Rect,X*64,256,1024/16,256); ClearImage(&Rect,0xff-C0,0,C0);
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}
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#endif
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}
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/*****************************************************************************/
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void VidScrOn()
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{
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Screen[0].Draw.isbg = ClearScreen;
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Screen[1].Draw.isbg = ClearScreen;
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VSync(0); // wait for V-BLANK
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SetDispMask(1); // display on
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}
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/*****************************************************************************/
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void VidSetDrawEnv()
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{
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int x = VidGetScrW();
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int y = VidGetScrH();
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SetDefDrawEnv( &Screen[0].Draw, 0, 0, x, y );
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SetDefDispEnv( &Screen[0].Disp, 0, y, x, y );
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SetDefDrawEnv( &Screen[1].Draw, 0, y, x, y );
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SetDefDispEnv( &Screen[1].Disp, 0, 0, x, y );
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Screen[0].Draw.isbg = ClearScreen;
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Screen[1].Draw.isbg = ClearScreen;
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Screen[0].Draw.dtd = 1;
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Screen[1].Draw.dtd = 1;
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VidSetClearColor( s_defClearCol );
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SetDrawEnv( &Screen[0].Draw.dr_env, &Screen[0].Draw );
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SetDrawEnv( &Screen[1].Draw.dr_env, &Screen[1].Draw );
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}
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/*****************************************************************************/
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void VidSetClearColor( const CVECTOR & col )
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{
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Screen[0].Draw.r0 = Screen[1].Draw.r0 = col.r;
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Screen[0].Draw.g0 = Screen[1].Draw.g0 = col.g;
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Screen[0].Draw.b0 = Screen[1].Draw.b0 = col.b;
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}
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/*****************************************************************************/
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void VidSetClearScreen(int Flag)
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{
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ClearScreen = Flag;
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VidSetDrawEnv();
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}
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/*****************************************************************************/
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void VidSetRes(int x, int y)
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{
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ASSERT( y == 256 );
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if ((VidGetScrW() != x) || (VidGetScrH() != y))
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{
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RECT clrRect;
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ScreenW=x;
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ScreenH=y;
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VidSetDrawEnv();
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SetGeomOffset( (x / 2), (y / 2) );
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}
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void VidInit()
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{
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// Wap up a loading screen
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//u8 *screenData=CFileIO::loadFile(SCREENS_LOADING_GFX,"Loading Screen");
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// SetScreenImage(screenData);
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// VidSetXYOfs( ScreenXOfs, ScreenYOfs );
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SetDispMask(0);
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#if defined(__TERRITORY_USA__) || defined(__TERRITORY_JAP__)
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SetVideoMode( MODE_NTSC );
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#else
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SetVideoMode( MODE_PAL );
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#endif
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VSync(0);
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VSync(0);
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ResetGraph(0);
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SetGraphDebug(0);
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ClearVRam();
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InitGeom();
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SetGeomScreen(GEOM_SCREEN_H);
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VidSetRes( 512, 256 );
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DrawSync(0);
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VidSwapDraw();
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DrawSync(0);
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VidSwapDraw();
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DrawSync(0);
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SetScreenImage(0);
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// MemFree(screenData);
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VidScrOn();
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// Init VBL
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VbFunc = NULL;
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for (int i=0; i<MaxVBFuncs; i++) VbFuncList[i] = NULL;
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VSyncCallback( VidVSyncCallback );
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}
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/*****************************************************************************/
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int pofx=0;
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int pofy=0;
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#ifdef __USER_paul__
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int ScreenClipBox=1;
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#else
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int ScreenClipBox=0;
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#endif
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void VidSwapDraw()
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{
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DRAWENV *Draw;
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DISPENV *Disp;
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int LastFrame=FrameFlipFlag;
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int ScrH=VidGetScrH()*FrameFlipFlag;
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FrameFlipFlag^=1;
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TickBuffer[FrameFlipFlag]=TickCount; TickCount=0;
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Draw=&Screen[FrameFlipFlag].Draw;
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Disp=&Screen[FrameFlipFlag].Disp;
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Disp->disp.x=0;
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Disp->disp.y=ScrH;
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Disp->disp.w=512;
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Disp->disp.h=256;
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Disp->screen.x=ScreenXOfs;
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Disp->screen.y=ScreenYOfs;
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Disp->screen.w=256;
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Disp->screen.h=256;
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PutDispEnv(Disp);
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PutDrawEnv(Draw);
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// If set, load background screen
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if (ScreenImage) LoadImage2(&Screen[LastFrame].Disp.disp ,(u_long*)ScreenImage);
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if(ScreenClipBox==1)
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{
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DrawLine(15,25,512-15,25,255,0,0,0);
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DrawLine(15,256-25,512-15,256-25,255,0,0,0);
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DrawLine(15,25,15,256-25,255,0,0,0);
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DrawLine(512-15,25,512-15,256-25,255,0,0,0);
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DrawLine(0,0,511,0,0,255,0,0);
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DrawLine(0,255,511,255,0,255,0,0);
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DrawLine(0,0,0,255,0,255,0,0);
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DrawLine(511,0,511,255,0,255,0,0);
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}
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if(ScreenClipBox==2)
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{
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POLY_F4 *f4;
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f4=GetPrimF4();
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setXYWH(f4,0,0,512,20);
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setRGB0(f4,50,50,50);
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AddPrimToList(f4,0);
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f4=GetPrimF4();
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setXYWH(f4,0,256-20,512,20);
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setRGB0(f4,50,50,50);
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AddPrimToList(f4,0);
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f4=GetPrimF4();
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setXYWH(f4,512-10,20,10,256-40);
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setRGB0(f4,50,50,50);
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AddPrimToList(f4,0);
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f4=GetPrimF4();
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setXYWH(f4,0,20,10,256-40);
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setRGB0(f4,50,50,50);
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AddPrimToList(f4,0);
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}
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}
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/*****************************************************************************/
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/*** VRAM VIEWER *************************************************************/
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/*****************************************************************************/
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#define UseVRamViewer
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#ifdef UseVRamViewer
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#include "pad\pads.H"
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void VRamViewer()
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{
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bool Done=0;
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sVidScreen *Scr=VidGetScreen();
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u16 Pad;
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int OldX=Scr->Disp.disp.x,OldY=Scr->Disp.disp.y;
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while(!Done)
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{
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PadUpdate();
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DbgPollHost();
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#ifdef __USER_ARTDEV__
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Pad=PadGetHeld(1);
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#else
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Pad=PadGetHeld(0);
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#endif
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#ifdef __USER_paul__
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// my finger was hurting..
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if((PadGetDown(0) & PAD_SELECT)) Done=1;
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#else
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if(!(Pad & PAD_SELECT)) Done=1;
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#endif
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if(Pad&PAD_LEFT) if(Scr->Disp.disp.x) Scr->Disp.disp.x--;
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if(Pad&PAD_RIGHT) if(Scr->Disp.disp.x<700) Scr->Disp.disp.x++;
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if(Pad&PAD_UP) if(Scr->Disp.disp.y) Scr->Disp.disp.y--;
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if(Pad&PAD_DOWN) if(Scr->Disp.disp.y<256) Scr->Disp.disp.y++;
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PutDispEnv(&Scr->Disp);
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PutDrawEnv(&Scr->Draw);
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}
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Scr->Disp.disp.x=OldX;
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Scr->Disp.disp.y=OldY;
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}
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#endif
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