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DSPLLE + 2 small fixes, many GC AX games are almost perfect (sound wise, ex. Super Monkey Ball 1/2), if PC is fast enough (3GHz C2D+), Zelda type games too slow to be testable

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4340 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marko Pusljar
2009-09-28 16:39:29 +00:00
parent 0032d2746f
commit d1f0294053
4 changed files with 63 additions and 9 deletions
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2
Source/Core/DSPCore/Src/DspIntMultiplier.cpp
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@ -32,9 +32,11 @@ inline s64 dsp_get_multiply_prod(u16 a, u16 b, bool sign)
{
s64 prod;
#if 0 //causing probs with all games atm
if (sign && g_dsp.r[DSP_REG_SR] & SR_MUL_UNSIGNED)
prod = (u64)a * (u64)b; // won't overflow 32-bits
else
#endif
prod = (s32)(s16)a * (s32)(s16)b; // won't overflow 32-bits
// Conditionally multiply by 2.