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changed the way the slowdvd gamefix works. 

the slowdvd hack makes dvd reads at 1x instead of 4x speed.
this is untested, i think it should help TOA just like the old method.

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@130 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2008-09-17 23:32:56 +00:00 committed by Gregory Hainaut
parent 6c8ed786d6
commit 0bab1b1e8c
1 changed files with 11 additions and 9 deletions
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20
pcsx2/CDVD.c
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@ -673,7 +673,7 @@ void cdvdReset()
}
#define PSX_CD_READSPEED (PSXCLK / 153600) // 1 Byte Time @ x1 (150KB = cd x 1)
#define PSX_DVD_READSPEED (CHECK_SLOWDVD ? (PSXCLK / 270000) : (PSXCLK /1382400)) // normal is 1 Byte Time @ x1 (1350KB = dvd x 1)
#define PSX_DVD_READSPEED (PSXCLK /1382400) // normal is 1 Byte Time @ x1 (1350KB = dvd x 1)
void cdvdReadTimeRcnt(int mode) // Mode 0 is DVD, Mode 1 is CD
{
@ -1271,14 +1271,16 @@ void cdvdWrite04(u8 rt) { // NCOMMAND
if (cdvd.Param[8] == 0) cdvd.RetryCnt = 0x100;
else cdvd.RetryCnt = cdvd.Param[8];
cdvd.SpindlCtrl = cdvd.Param[9];
switch (cdvd.Param[9]) {
//always do 24x for now
//case 0x01: cdvd.Speed = 1; break; // CD
//case 0x02: cdvd.Speed = 2; break; // CD
//case 0x03: cdvd.Speed = 4; break; // CD
//case 0x04: cdvd.Speed = 12; break; // CD
default: cdvd.Speed = 24; break; // CD
if (CHECK_SLOWDVD) {
switch (cdvd.Param[9]) {
case 0x01: cdvd.Speed = 1; break; // CD
case 0x02: cdvd.Speed = 2; break; // CD
case 0x03: cdvd.Speed = 4; break; // CD
case 0x04: cdvd.Speed = 12; break; // CD
default: cdvd.Speed = 24; break; // CD
}
}
else cdvd.Speed = 24; // Fast cd reads; better performance
switch (cdvd.Param[10]) {
case 2: cdvd.ReadMode = CDVD_MODE_2340; cdvd.BlockSize = 2340; break;
case 1: cdvd.ReadMode = CDVD_MODE_2328; cdvd.BlockSize = 2328; break;
@ -1332,7 +1334,7 @@ void cdvdWrite04(u8 rt) { // NCOMMAND
if (cdvd.Param[8] == 0) cdvd.RetryCnt = 0x100;
else cdvd.RetryCnt = cdvd.Param[8];
cdvd.SpindlCtrl = cdvd.Param[9];
cdvd.Speed = 4;
cdvd.Speed = CHECK_SLOWDVD ? 1 : 4; //Some games need to read slower
cdvd.ReadMode = CDVD_MODE_2048; cdvd.BlockSize = 2064; // Why oh why was it 2064
cdvdReadTimeRcnt(0);
#ifdef CDR_LOG