Sharp PC-1500A Instruction Manual page 138

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Operational note·s when using the
CE-159
CE·1 59 : Optional 8 K Bytes RAM with battery back·up funct ion
When using t he CE· 159,
1) Change the formula to chock the capacity usable as variables in the CE·1 59 Instruction
Manual (page 44) a. follows:
MEM -
(2048 + 16)
I•""'•!
.Q,
MEM - (6144
+
23) l•••<RI
2) Change the data retention program in the CE·159 Instruction Manual {page 45) as follows:
I
Data retention program
I
10 STOP
20 "A": POKE 30873, PEEK 16375,
PEEK 16376
30 END
40 "B": POKE 30873, 72, 0
50 DIM ZY$(127). ZZ$(0)
*
2
60 END
- - - -------- ----- --------
70 "C": POKE 16375, PEEK 30873,
PEEK 30874
80 END
90
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[Data
retention program)
10 STOP
-- -- ------- -- - -
----·--
-------
20 "A" : POKE 30873, PEEK 16375,
PEEK 16376
1-3_9 _ _ E _N_D _____________________ _ _
40 "B": POKE 30873, 88, 0
SO DIM ZXS(255), ZY$(127), ZZ$(0) *2
60 END
1-io-
;;c ..
~
P'oK'E- 163 -15.-Pi:'Ei<
30873. -- --
PEEK 30874
80 END
f----- - - --- ---- - -- - - - -- -- - -
90
136