Dd Dump Data Ram - Epson S1C62 Family Reference Manual

Cmos 4-bit single chip microcomputer development tool
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ICE CONTROL SOFTWARE ICS62XX
DD
Format
#DD,<address 1>,<address 2>
#DD,<address 1>
#DD
Function
Data in the RAM area from <address 1> to <address 2> are displayed in hexadecimal format.
(1) When <address 2> defaults, the contents of <address 1> are displayed in a single screen (21
lines or the last RAM address).
(2) When <address 1> and <address 2> default, a single screen is displayed from the previous
address plus one (one more than the previous address). When DD alone is entered after
power on, the data from address 0 are displayed.
(3) The contents from the WRITE ONLY I/O area cannot be read.
(4) The I/O address with mixed R/W data is read and displayed with a ! mark.
(5) Commands can be interrupted by input from the "ESC" key.
Address 1 . . . 4F
Address 2 . . . AF
#DD,80,BE
Examples
ADDR 0 1 2 3 4 5 6 7 8 9 A B C D E F
0080 5 2 3 4 A B B C D 0 F F F F F F
0090 - - - - - - - - - - - - - - - -
00A0 - - - - - - - - - - - - - - - -
00B0 5 A 3 F 0 5 6 F 4 4 4 0 5 A A
#DD,100,FFF
* COMMAND ERROR *
#DD,0
ADDR 0 1 2 3 4 5 6 7 8 9 A B C D E F
0000 F F F F F 0 0 0 0 0 0 1 1 1 2 3
:
:
00AF 5 A 3 F 0 5 6 F 4 4 4 0 5 A A
VIII-24
DUMP DATA RAM
00
Data RAM
LCD RAM
I/O area
FD
(for S1C6S3N7/6S3B7/6S3L7)
...
...
EPSON
Data from this area is displayed
...
Write only area is displayed
Error results when RAM address exceeds 7E
(in the case of S1C6S3N7/6S3B7/6S3L7)
:
:
21 lines or last RAM address is displayed
DEVELOPMENT TOOL REFERENCE MANUAL
S1C62 FAMILY

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S1c62 series

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