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system size registers should not trap and also be r/o

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folkert van heusden 2023-03-23 19:28:14 +01:00
parent 4e6dff4ad9
commit 283fc29c81
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 3 additions and 0 deletions
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bus.cpp
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@ -864,6 +864,9 @@ void bus::write(const uint16_t a, const bool word_mode, uint16_t value, const bo
return;
}
if (a == ADDR_SYSSIZE || a == ADDR_SYSSIZE + 2) // system size (is read-only)
return;
///////////
DOLOG(debug, true, "UNHANDLED write %o(%c): %o", a, word_mode ? 'B' : 'W', value);