Sharp PC-1500 - Page 123

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5-3-·6. Structure of reserve area
© Leading addr ess of the reserve area
Sy st em conf iguration L ead i ng address
PC - lSOO ONLY 4000H
PC -lSOO + CE - 1 51 4000ti
PC-
1500 i- CE - 155
3800 H
--
PC - lSOO + C E- 159
;-
~
2000H
@ Reserve memory configuration (when only the PC-1500 is used)
CD Reserve key code
--....... ~ 8 9 A B C 0 E F
4 0 0 ~
4 O I K ey symbol of t he rescr .. ·e num 1> er I (2' 6 bytes)
4 0 2
8K1 ~rr r i TTei u I ~er II (26 bytes)
4 0 3
t-
4 0 4
Key syinbol of the re ser• e nu mber 111 (J b1eJ
4 {} 5 J_ J_
J_
J
L_L J J J
4 0 6
Tho conten ts of r csefVC keys arc stor c-:J 11 '1
~ ;- -- -- •. ~!_~ H).
l II
rn
F 1
Q l H
l 1 H 0 9 H
F2
0 2 H
I 2 H OAH
F 3 03H 13H OBH
F 4 04H I 4 H
OCH
F 5 05H I 5 H OOH
4 0 7
order 0 1 reg1s1ra1c on ( 11 1 bytes )
F6 OS H I 6 H OEH
'4o a
I-
4 0 9
-1
• Reserve k ey contents are stored
fo llowin g lO t he k ey code.
40A
40 6
40 C
40 0
4 0
E
4 0 F
Ma.c hioc U ir ,guage
O<
BA SIC pr og r arn
• Reserve prog r ams are stored in
order ol registration. In the ca se
of ro ~ r cg is tr a t i on . the previous
progr am is de leted and the new
prog ra n1 1s ad ded following to
it.
NOTE: When NEW l!>?l is exec ut ed in the
RESERVE mode. address ar
ea f rom 4008H 10
40C4H is filled up wi th "OOH".
© ROM status information
ADDRESS DESCRIPTION
. ]St Byte in the ROM 55H
2nd Byte in t
he ROM Hi gh ord er one byte of the RO M top address
3rd Byte in t
he ROM High or der one byte of the top address of t he BASIC pr ogr am .
ass uming the RO M top ad dr ess lo be "O OOOH "
41 h Byte in the ROM Lo w ord er one byte of the t op address of lh eBA SIC pr ogram,
assuming the
ROM top addre ss to be "OOOO H"
Slh
Byte in the ROM
Write the follo wing code acco rdi ng to the ROM si ze
1 K8 :"04H" 2KB: "0 8H" 4K8:" 10H"
8KB:"
20 H" 16KB:"40H"
6th
By te in the R OM Undefined
7th Byte in the
RO M Undefined
8th Byte in the
R OM To inhibit " LUS T" command. write "OOH"
To ef1ec t " LUS T" command, write "FFH"
Note : T he RO M addre ss is OOOO H -3F F FH .
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