tschak909 Posted December 22, 2019 Share Posted December 22, 2019 Is this ATR of Spelunker checking drive timing? It seems to be failing on #FujiNet, and I've been running it in Altirra to see why it could be failing when booting off the network. -Thom Spelunker_Micro_GraphicImage.zip Quote Link to comment Share on other sites More sharing options...
phaeron Posted December 22, 2019 Share Posted December 22, 2019 I don't think so, I can get it to boot both with Altirra's disk burst I/O and with an emulated track buffering drive. Seems to just use well-behaved SIOV. Might be able to narrow it down if you can determine where it failed in the sector load order. Quote Link to comment Share on other sites More sharing options...
tschak909 Posted December 23, 2019 Author Share Posted December 23, 2019 Yup, it turns out my SIO state machine has a very subtle timing problem that I need to solve. In each hang with spelunker, I am somehow getting an SIO timeout waiting for the ID (after COMMAND gets asserted), argh. -Thom Quote Link to comment Share on other sites More sharing options...
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