Using Monitor Commands; M Command - Sharp MZ-80B Reference Manual

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1.2 Using monitor commands

General conventions for use of Monitor commands are as follows:

•

Commands and data are input from the keyboard with the

]

key pressed to conclude the

entry.

•

Data display and input are in hexadecimal. One byte of data consists of two hexadecimal digits

and an address consists of four hexadecimal digits.

•

When the number of characters input firm the keyboard exceeds the number the required by the

Monitor program, the excess are ignored.

•

To cancel execution of a command, press the

BREAK]

key.

•

Every command can access any memory location, allowing a wide range of applications, but spe-

ci~l

care must be taken not to destroy required data or a program.

1.2.1 M command

Function

Operation

Corrects the contents of the specified memory address.

When aM command is entered, the display is as shown

FIGURE 1.3.

FIGURE 1.3

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