Sharp MZ-800 - Page 170

D Command
Format
Explanation
D<starting address> <end address>
This command dumps the contents of the specified memory area.
When the <end address> is omitted, 160 bytes from the <starting address> are
displayed.
The dislay format is as follows:
HHHH HH HH HH HH HH HH HH HH ABCDEFGH
l me =
T
2-digit hexadecimal numbers (8 bytes) Character data (8 bytes)
Starting address
To modify the memory contents, move the cursor to the data to be modified, type
in the new data and press the key.
Note:
The last eight characters indicate the ASCII codes corresponding to eight hexadecimal
numbers. A contorl code is represented by a period (. ). To stop the screen display,
press the space bar; to return to the monitor prompt, press while
holding down the | SHIFT | key.
The following example dumps the contents of addresses $C000 to $C700.
*DCO00C700
V Command
Format
Explanation
Example
v
This command verifies data saved on the cassette, or checks whether the data saved
on the tape and the data in memory are identical.
When no incorrect data is detected, the message ‘‘OK!”’ is displayed. If one or more
bytes that do not match are detected, the message ‘‘CHECK SUM ERROR?” is dis-
played.
The following example verifies the data of file ‘‘MFILE”’ which has been previous-
ly saved with the S command.
* VMFILE
& PLAY -——— Press the button.