mirror of https://github.com/PCSX2/pcsx2.git
106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/***************************************************************************
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toc.c - description
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-------------------
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begin : Sun Nov 16 2003
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copyright : (C) 2003 by Pete Bernert
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email : BlackDove@addcom.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. See also the license.txt file for *
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* additional informations. *
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* *
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***************************************************************************/
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//*************************************************************************//
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// History of changes:
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//
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// 2003/11/16 - Pete
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// - generic cleanup for the Peops release
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//
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//*************************************************************************//
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/////////////////////////////////////////////////////////
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#include "stdafx.h"
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#define _IN_TOC
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#include "externals.h"
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/////////////////////////////////////////////////////////
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TOC sTOC;
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/////////////////////////////////////////////////////////
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// read toc
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void ReadTOC(void)
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{
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unsigned char xbuffer[4];DWORD dwStatus;
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LockGenCDAccess();
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memset(&(sTOC),0,sizeof(sTOC)); // init toc infos
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dwStatus=GetSCSITOC((LPTOC)&sTOC); // get toc by scsi... may change that for ioctrl in xp/2k?
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UnlockGenCDAccess();
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if(dwStatus!=SS_COMP) return;
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#ifdef DBGOUT
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auxprintf("TOC Last %d, max %08x,%08x\n",sTOC.cLastTrack,sTOC.tracks[sTOC.cLastTrack].lAddr,reOrder(sTOC.tracks[sTOC.cLastTrack].lAddr));
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#endif
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// re-order it to psemu pro standards
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addr2time(reOrder(sTOC.tracks[sTOC.cLastTrack].lAddr),xbuffer);
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#ifdef DBGOUT
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auxprintf("TOC %d, %d, %d, %d\n",
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xbuffer[0],xbuffer[1],xbuffer[2],xbuffer[3] );
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#endif
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xbuffer[0]=itob(xbuffer[0]);
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xbuffer[1]=itob(xbuffer[1]);
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xbuffer[2]=itob(xbuffer[2]);
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xbuffer[3]=itob(xbuffer[3]);
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lMaxAddr=time2addrB(xbuffer); // get max data adr
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}
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/////////////////////////////////////////////////////////
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// get the highest address of first (=data) track
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unsigned long GetLastTrack1Addr(void)
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{
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unsigned char xbuffer[4];DWORD dwStatus;
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unsigned long lmax;
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TOC xTOC;
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LockGenCDAccess();
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memset(&(xTOC),0,sizeof(xTOC));
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dwStatus=GetSCSITOC((LPTOC)&xTOC);
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UnlockGenCDAccess();
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if(dwStatus!=SS_COMP) return 0;
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addr2time(reOrder(xTOC.tracks[1].lAddr),xbuffer);
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xbuffer[0]=itob(xbuffer[0]);
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xbuffer[1]=itob(xbuffer[1]);
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xbuffer[2]=itob(xbuffer[2]);
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xbuffer[3]=itob(xbuffer[3]);
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lmax=time2addrB(xbuffer);
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if(lmax<150) return 0;
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return lmax-150;
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}
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/////////////////////////////////////////////////////////
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