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Merge pull request #6186 from Cacodemon345/opl4-fixes-2

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Actually fix OPL4 ID readbacks
This commit is contained in:
Jasmine Iwanek
2025-09-18 05:17:12 -04:00
committed by GitHub
parent 376dccf86d a9861c04f2
commit 84e4a29528
1 changed files with 8 additions and 2 deletions
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10
src/sound/ymfm/ymfm_opl.cpp
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@@ -1716,8 +1716,14 @@ uint8_t ymf278b::read_status()
uint8_t ymf278b::read_data_pcm() uint8_t ymf278b::read_data_pcm()
{ {
// read from PCM // read from PCM
if (bitfield(m_address, 9) != 0) if (bitfield(m_address, 9) != 0) {
return m_pcm.read(m_address & 0xff); auto ret = m_pcm.read(m_address & 0xff);
if (m_address == 0x202) {
ret &= ~0xe0;
ret |= 0x20;
}
return ret;
}
return 0; return 0;
} }