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Td (trace data display) – Epson S5U1C62000A User Manual

Page 217

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S5U1C62000A MANUAL

EPSON

205

(S1C60/62 FAMILY ASSEMBLER PACKAGE)

CHAPTER 9: DEBUGGER

td

(trace data display)

Function

This command displays the trace information that has been sampled into the ICE's trace memory.

Format

(1) >td []

(direct input mode)

(2) >td

(guidance mode)

Start point ?: (ENTER from the latest)

(Trace data is displayed)

>

: Start pointer of trace data; decimal (from 0 to 2,730)

Display

The following lists the contents of trace information:
Loc:

Trace cycle number (decimal)
The last information taken into the trace memory becomes 0000.

CODE:

Fetched code (hexadecimal) and unassembled content (mnemonic)

PC:

PC address (hexadecimal)

A, B, X, Y:

Values of A, B, X, Y registers (hexadecimal)

IDZC:

Values of I, D, Z and C flags (binary) after cycle execution

MemOP:

Read/write operation (denoted by R or W at the beginning of data), accessed data
memory address (hexadecimal), and data (hexadecimal)

OtherOP:

Interrupt process: INT1 (stack), INT2 (vector fetch)

(1) When [Trace] window is opened:

When the td command is input without , the [Trace] window redisplays the latest data; when
the td command is input with , the trace data starting from is displayed in the [Trace]
window.
The display contents of the [Trace] window is updated after an execution of the target program.
All trace data can be displayed by scrolling the window.