pcsx2/plugins/CDVDpeops/toc.c

106 lines
3.2 KiB
C

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