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model1: Paranoia on atan [O. Galibert]

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This commit is contained in:
Olivier Galibert 2019-12-21 20:25:56 +01:00
parent baf3b30315
commit 42f5ceb3db
1 changed files with 1 additions and 1 deletions
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src/mame/machine/model1.cpp
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@ -231,7 +231,7 @@ WRITE32_MEMBER(model1_state::copro_atan_w)
READ32_MEMBER(model1_state::copro_atan_r)
{
u32 idx = m_copro_atan_base[3];
u32 idx = m_copro_atan_base[3] & 0xffff;
if(idx & 0xc000)
idx = 0x3fff;
u32 result = m_copro_tables[idx | 0x4000];