screen: add note (nw)

This commit is contained in:
hap 2020-03-01 13:29:33 +01:00
parent 7b5219935a
commit b48b0cb47c

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@ -1794,7 +1794,8 @@ bool screen_device::update_quads()
void screen_device::update_burnin()
{
// TODO: other than being unnecessary (we should use our rand function first off), this is a simplification of how analog signals really works!
// TODO: other than being unnecessary, this is a simplification of how analog signals really works!
// It's important not to use machine().rand() here, it can cause machine().rand() used in emulation to desync.
#undef rand
if (!m_burnin.valid())
return;