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c140: c219 has less voice regs, don't call c140_r

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This commit is contained in:
hap 2021-06-09 22:37:18 +02:00
parent 2dd082e07c
commit 0656b4ab4d
1 changed files with 6 additions and 1 deletions
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7
src/devices/sound/c140.cpp
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@ -478,8 +478,10 @@ inline u8 c140_device::keyon_status_read(u16 offset)
u8 c140_device::c140_r(offs_t offset)
{
offset &= 0x1ff;
if ((offset & 0xf) == 0x5 && offset < 0x180)
return keyon_status_read(offset);
return m_REG[offset];
}
@ -556,7 +558,10 @@ u8 c219_device::c219_r(offs_t offset)
// assume same as c140
// TODO: what happens here on reading unmapped voice regs?
return c140_r(offset);
if ((offset & 0xf) == 0x5 && offset < 0x100)
return keyon_status_read(offset);
return m_REG[offset];
}