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CHAPTER 8: DEBUGGER
144 EPSON S5U1C63000A MANUAL
(S1C63 FAMILY ASSEMBLER PACKAGE)
8.8.3 Displaying and Modifying Program, Data, Option Data and Register
The debugger has functions to operate on the program memory, data memory, and registers, as well as
option data. Each memory area is set to the debugger according to the map information that is given in a
parameter file.
Operating on program memory area
The following operations can be performed on the program memory area:
Table 8.8.3.1 Commands to operate on program memory
Function Command
Entering/modifying program code pe
In-line assemble a (as)
Rewriting specified area pf
Copying specified area pm
(1) Entering/modifying program code
The program code at a specified address is modified by entering hexadecimal data.
(2) In-line assemble
The program code at a specified address is modified by entering a mnemonic code.
(3) Rewriting specified area
An entire specified area is rewritten with specified code.
(4) Copying specified area
The content of a specified area is copied to another area.
Operating on data memory area
The following operations can be performed on the data memory areas (RAM, data ROM, display
memory, I/O memory):
Table 8.8.3.2 Commands/menu item to operate on data memory
Function Command Menu
Dumping data memory dd [View | Data Dump]
Entering/modifying data de –
Rewriting specified area df –
Copying specified area dm –
(1) Dumping data memory
The contents of the data memory are displayed in hexadecimal dump format. If the [Data] window is
opened, the contents of the [Data] window are updated; if not, the contents of the data memory are
displayed in the [Command] window.
(2) Entering/modifying data
Data at a specified address is rewritten by entering hexadecimal data. Data can be directly modified
on the [Data] window.