libretro/pcsx2
1
0
Fork 0
mirror of https://github.com/libretro/pcsx2.git synced 2024-12-04 08:17:28 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

GIFpath: Making a note about the BIOS using the packed register address 0x7f, and disabling logging for that address, since it spams.

Browse Source 
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1935 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
Jake.Stine 2009-09-30 12:35:40 +00:00
parent 7b800cf290
commit 0b027385b0
1 changed files with 17 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
pcsx2/ps2/GIFpath.cpp
View File

@ -177,7 +177,14 @@ static void __fastcall RegHandlerLABEL(const u32* data)
static void __fastcall RegHandlerUNMAPPED(const u32* data)
{
Console::Notice( "Unmapped GIFtag Register Index: Ignoring." );
const int regidx = ((u8*)data)[8];
// Known "unknowns":
// the bios likes to write to 0x7f using an EOP giftag with NLOOP set to 4.
// Not sure what it's trying to accomplish exactly. Ignoring seems to work fine.
if( regidx != 0x7f )
Console::Notice( "Ignoring Unmapped GIFtag Register, Index = %02x", regidx );
}
#define INSERT_UNMAPPED_4 RegHandlerUNMAPPED, RegHandlerUNMAPPED, RegHandlerUNMAPPED, RegHandlerUNMAPPED,
@ -251,13 +258,16 @@ void SaveStateBase::gifPathFreeze()
}
static __forceinline void gsHandler(const u8* pMem) {
static __forceinline void gsHandler(const u8* pMem)
{
const int handler = pMem[8];
if (handler >= 0x60) {
// Question: What happens if an app writes to uncharted register space
// on real PS2 hardware (handler 0x63 and higher)? Probably a silent
// ignorance, but not tested so just guessing... --air
s_gifPath.Handlers[handler&0x3]((const u32*)pMem);
if (handler >= 0x60)
{
// Question: What happens if an app writes to uncharted register space on real PS2
// hardware (handler 0x63 and higher)? Probably a silent ignorance, but not tested
// so just guessing... --air
s_gifPath.Handlers[handler-0x60]((const u32*)pMem);
}
}