hack: use simple GTE division

that large table was slow, probably because of dcache trashing.

diff --git a/libpcsxcore/gte.c b/libpcsxcore/gte.c
index 72210d3..00e7954 100644 (file)
--- a/libpcsxcore/gte.c
+++ b/libpcsxcore/gte.c
@@ -348,6 +348,16 @@ void gteSWC2() {
        psxMemWrite32(_oB_, MFC2(_Rt_));
 }
 
        psxMemWrite32(_oB_, MFC2(_Rt_));
 }
 

+#define DIVIDE DIVIDE_
+static u32 DIVIDE_(s16 n, u16 d) {
+       if (n >= 0 && n < d * 2) {
+               s32 n_ = n;
+               return ((n_ << 16) + d / 2) / d;
+               //return (u32)((float)(n_ << 16) / (float)d + (float)0.5);
+       }
+       return 0xffffffff;
+}
+

 void gteRTPS() {
        int quotient;
 
 void gteRTPS() {
        int quotient;