Ut2 Register Storage Option - RCA COSMAC Operator's Manual

UT2 REGISTER STORAGE OPTION
UT2 provides the possibility of storing, into RAM,
14 of the 16 registers whenever it is started up
(by hitting RUN UTILITY). If the user has installed
a RAM board covering the range from 8200-821F, then
UT2 will detect this fact and store registers RO-RF
there (although RO, Rl and R4.1 are clobbered in the
process). The user can later use the command
?M8200 20
to see their contents before UT2 took over.
If he wants later ·to continue operation, he should
take into account the fact that UT2 has clobbered
registers RO through
RS
and RC through RF.
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