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RAM Data Manipulation
The selec1 ce<:les listed in lhe fDIID'Aling table ore all eitacuted IJ�ng lhe 1ollowing key 5equence;
(where "HW i� fhe iwo-d-olt code given in Iha Hex Code column 01 IM table). Three Oihers (fill.
�
I
i
i
and �hullle RAM) require addltlor.ol oat.a entrv and are listed
on
the ro!lowing pages.
Hex Code
Command TIiie
A1
Swap Nibbles
ll'\V8rl RAM
Clear all RAM
Description
Exchar,oes high and low order nlbbfe.s CC
e-,-orv
b,'1a
Useel wMn manrPIJlolln<;i 4-bit wOl'd data.
Periorms the ooos eomplemem of
ii
or 8 bils OI eaeh
woro (deio1 mir.ed by Iha v.-ord sue in oNect). For
ex.ample, change� oil .. t'$·' to ''O's" .
Oear oli l<Alli1 to zeroes.. Useful belore downlcodlng por1
dOIO to RAM
1-15
