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NamcoGunCon: Use correct GPU clock as reference

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This commit is contained in:
Connor McLaughlin
2020-07-02 02:51:22 +10:00
parent 06b329b4c6
commit 8a8ce8d41c
3 changed files with 10 additions and 1 deletions
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src/core/namco_guncon.cpp
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@ -169,7 +169,8 @@ void NamcoGunCon::UpdatePosition()
}
// 8MHz units for X = 44100*768*11/7 = 53222400 / 8000000 = 6.6528
m_position_x = static_cast<u16>(static_cast<float>(tick) * (1.0f / 6.6528f));
const double divider = static_cast<double>(m_system->GetGPU()->GetCRTCFrequency()) / 8000000.0;
m_position_x = static_cast<u16>(static_cast<float>(tick) / static_cast<float>(divider));
m_position_y = static_cast<u16>(line);
Log_DebugPrintf("Lightgun window coordinates %d,%d -> tick %u line %u 8mhz ticks %u", mouse_x, mouse_y, tick, line,
m_position_x);