Find out SUM_FLAG calculations

Open GoogleCodeExporter opened this issue 10 years ago • 1 comments

Find out where sum of GTE FLAG is calculated

Original issue reported on code.google.com by [email protected] on 9 Feb 2011 at 11:38

Mar 22 '15 01:03 GoogleCodeExporter

Pcsx do it in following way:

{{{
#define SUM_FLAG if(gteFLAG & 0x7F87E000) gteFLAG |= 0x80000000;
}}}

SUM_FLAG is called at the end of each opcode to calculate the sum.

How (and where) Pops calculate sum flag is still unknown.

Original comment by [email protected] on 9 Feb 2011 at 11:42

Mar 22 '15 01:03 GoogleCodeExporter