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author AJR <ajrhacker@users.noreply.github.com>2020-02-23 11:35:29 -0500
committer AJR <ajrhacker@users.noreply.github.com>2020-02-23 11:38:36 -0500
commit6b02c2bb13254bd0754d9284fb3a4e9ea6802f46 (patch)
tree9a68dd526a78e1116493f876b53cbbcaab12b0ad /src/devices/machine/z80sio.cpp
parentab21d3bf5a50609e550e900c1912813227e4fc5d (diff)
Eliminate legacy Z80 SIO emulation
trs80m2: Modernize CTC clocking (nw)
Diffstat (limited to 'src/devices/machine/z80sio.cpp')
-rw-r--r--src/devices/machine/z80sio.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/devices/machine/z80sio.cpp b/src/devices/machine/z80sio.cpp
index e6c7532dc1f..767ef2e6e1e 100644
--- a/src/devices/machine/z80sio.cpp
+++ b/src/devices/machine/z80sio.cpp
@@ -13,7 +13,10 @@
check that an operation is invalid because of package type but relies
on the software to be adapated for the particular version.
- Package: DIP40 SIO/0, SIO/1, SIO/2, SIO/9
+ Package: DIP40 SIO/0 (RxCB and TxCB share one pin)
+ DIP40 SIO/1 (no DTRB pin)
+ DIP40 SIO/2 (no SYNCB pin)
+ DIP40 SIO/9 (channel B is nonfunctional)
QFP44 SIO/3
PLCC44 SIO/4
-------------------------------------------------------------------