> I have to write a gfx data burst to VRAM as quickly as possible while the
> display, and possibly sprites are enabled.
>
> I've noticed data corruption when using quick transfer loops (via POP)
that
> disappears when display is disabled.
>
> Is there an accurate way to determine required VDP timings and ensure
> proper functionality on all MSX models regardless of different clocked
CPUs?
Just keep in mind to have at least 7 t-states between every transfer (=OUT),
then it will work on all MSX-computers (OTIR and INIR are slow enough too).
MSX-turboR and 7MHz have automatic slowdowns implemented to that works too.
~Grauw
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