I was almost sure that CALLF was able to call routines in any page but....
maybe it a matter of aging, I am facing an unexpected issue with CALLF
It seems that in certain machines I can do interslot calls in page 0 (i.e. CALLF does not switch itself out), in others CALLF commits suicide by swapping the rom page where it is.
From the msx red book the it seems that RST 30h should work on any page, but maybe it is not guaranteed on any msx 1 machine or on msx2 and upper. Is there anyone who has investigated the point?
What does the standard say on RST 30h?
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