Epson S5U1C63000A - Manual (Page 230)

CHAPTER 8: DEBUGGER
216 EPSON S5U1C63000A MANUAL
(S1C63 FAMILY ASSEMBLER PACKAGE)
td
(trace data display)
Function
This command displays the trace information that has been sampled into the ICE trace memory.
Format
(1) >td [<cycle>]
↵
(direct input mode)
(2) >td
↵
(guidance mode)
Start point ?: (ENTER from the latest) <num>
↵
(Trace data is displayed)
>
<cycle>: Start cycle number of trace data; decimal (from 0 to 8,191)
Display
The following lists the contents of trace information:
trace cycle: Trace cycle (decimal). The last information taken into the trace memory becomes
00001.
fetch addr: Fetch address (hexadecimal).
fetch code disasm: Fetch code (hexadecimal) and disassembled content.
register: Values of A, B, X, and Y registers after cycle execution (hexadecimal).
flag: States of E, I, C, and Z flags after cycle execution (binary).
data: Accessed data memory address (hexadecimal), read/write (denoted by r or w at
the beginning of data), and data (1-digit hexadecimal for 4-bit access; 4-digit
hexadecimal for 16-bit access).
SP: Stack access (1 for SP1 access; 2 for SP2 access).
trace in: Input to TRCIN pin (denoted by L when low-level signal is input).
(1) When [Trace] window is opened:
When the td command is input without <cycle>, the [Trace] window redisplays the latest data; when
the td command is input with <cycle>, the trace data starting from <cycle> 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.