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author | hap <happppp@users.noreply.github.com> | 2021-06-09 22:37:18 +0200 |
---|---|---|
committer | hap <happppp@users.noreply.github.com> | 2021-06-09 22:37:18 +0200 |
commit | 0656b4ab4d0fc7ee55c9bbea8b92c54f291c7473 (patch) | |
tree | 9eb79d4da17719421c8c9a2aa719487ea3027da1 | |
parent | 2dd082e07c5b828b7ac14f250f55d05f0d0a4bc3 (diff) |
c140: c219 has less voice regs, don't call c140_r
-rw-r--r-- | src/devices/sound/c140.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/devices/sound/c140.cpp b/src/devices/sound/c140.cpp index 683f2a7ebda..b04a35a0f31 100644 --- a/src/devices/sound/c140.cpp +++ b/src/devices/sound/c140.cpp @@ -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]; } |