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| author | notaz | 2019-03-25 23:48:57 +0200 |
|---|---|---|
| committer | GitHub | 2019-03-25 23:48:57 +0200 |
| commit | 9d3801c90db3dee73a7a30d898857ad1a5821e59 (patch) | |
| tree | 164816528c484d0dffd7a7aba79e1febed2673c5 /libpcsxcore | |
| parent | 90f000f6c23cf8a17c14c0149de4916ea63f373e (diff) | |
| parent | 8cb04d2205b117d583b3cc4085fab4a285b74ce2 (diff) | |
| download | pcsx_rearmed-9d3801c90db3dee73a7a30d898857ad1a5821e59.tar.gz pcsx_rearmed-9d3801c90db3dee73a7a30d898857ad1a5821e59.tar.bz2 pcsx_rearmed-9d3801c90db3dee73a7a30d898857ad1a5821e59.zip | |
Merge pull request #127 from retro-wertz/fix_rtps_rtpt
gte: backport fix for RTPS/RTPT
Diffstat (limited to 'libpcsxcore')
| -rw-r--r-- | libpcsxcore/gte.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/libpcsxcore/gte.c b/libpcsxcore/gte.c index 31213ef..77dff1b 100644 --- a/libpcsxcore/gte.c +++ b/libpcsxcore/gte.c @@ -404,6 +404,7 @@ static u32 DIVIDE_(s16 n, u16 d) { void gteRTPS(psxCP2Regs *regs) { int quotient; + s64 tmp; #ifdef GTE_LOG GTE_LOG("GTE RTPS\n"); @@ -426,14 +427,16 @@ void gteRTPS(psxCP2Regs *regs) { gteSX2 = limG1(F((s64)gteOFX + ((s64)gteIR1 * quotient)) >> 16); gteSY2 = limG2(F((s64)gteOFY + ((s64)gteIR2 * quotient)) >> 16); - gteMAC0 = F((s64)gteDQB + ((s64)gteDQA * quotient)); - gteIR0 = limH(gteMAC0 >> 12); + tmp = (s64)gteDQB + ((s64)gteDQA * quotient); + gteMAC0 = F(tmp); + gteIR0 = limH(tmp >> 12); } void gteRTPT(psxCP2Regs *regs) { int quotient; int v; s32 vx, vy, vz; + s64 tmp; #ifdef GTE_LOG GTE_LOG("GTE RTPT\n"); @@ -456,8 +459,10 @@ void gteRTPT(psxCP2Regs *regs) { fSX(v) = limG1(F((s64)gteOFX + ((s64)gteIR1 * quotient)) >> 16); fSY(v) = limG2(F((s64)gteOFY + ((s64)gteIR2 * quotient)) >> 16); } - gteMAC0 = F((s64)gteDQB + ((s64)gteDQA * quotient)); - gteIR0 = limH(gteMAC0 >> 12); + + tmp = (s64)gteDQB + ((s64)gteDQA * quotient); + gteMAC0 = F(tmp); + gteIR0 = limH(tmp >> 12); } void gteMVMVA(psxCP2Regs *regs) { |