beautypg.com

6 [break] button, 7 [help] button, 4 [break] menu 8.6.5 [trace] menu – Epson S5U1C63000A User Manual

Page 146

background image

CHAPTER 8: DEBUGGER

132

EPSON

S5U1C63000A MANUAL

(S1C63 FAMILY ASSEMBLER PACKAGE)

[Go from Reset] button

This button resets the CPU and then executes the target program from the program start address
(0x110). It performs the same function when the gr command is executed.

[Step] button

This button executes one instruction step at the address indicated by the current PC. It performs
the same function when the s command is executed.

[Next] button

This button executes one instruction step at the address indicated by the current PC. If the instruc-
tion to be executed is calr, calz or int, it is assumed that a program section until control returns to
the next address constitutes one step and all steps of their subroutines are executed. This button
performs the same function when the n command is executed.

[Reset] button

This button resets the CPU. It performs the same function when the rst command is executed.

8.5.6 [Break] Button

Use this button to set and clear a breakpoint at the address where the cursor is located in the
[Source] window. This function is valid only when the [Source] window is open. Note that select-
ing a break address by clicking on the address line is valid for only the lines that have actual code
and is invalid for the source-only lines.

8.5.7 [Help] Button

By clicking on this button, a help window appears on the screen, displaying the contents of help topics.