X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fmcs48%2F__init__.py;h=b989a2a8e30457f7aff3173c11d78684f9310597;hp=54c01ccb2f3d17d47b1a90f847d4566191ed04d5;hb=2787cf2abc0187679e87d3735ca3e64c2a1a91c8;hpb=2b46b01c72c06683b3130647affe92c425d573b5 diff --git a/decoders/mcs48/__init__.py b/decoders/mcs48/__init__.py index 54c01cc..b989a2a 100644 --- a/decoders/mcs48/__init__.py +++ b/decoders/mcs48/__init__.py @@ -19,8 +19,11 @@ ''' This protocol decoder de-multiplexes Intel MCS-48 (8039, 8048, etc.) external -program memory accesses. This requires 14 channels: 8 for D0-D7 (data and -lower 8 bits of address), 4 for A8-A11 (output on port P2), ALE and PSEN. +program memory accesses. + +This requires 14 channels: 8 for D0-D7 (data and lower 8 bits of address), +4 for A8-A11 (output on port P2), ALE and PSEN. + An optional A12 is supported, which may be an arbitrary I/O pin driven by software (use case is dumping ROM of an HP 3478A). '''