CHAPTER 13 S1C88 FAMILY DEBUGGER
S5U1C88000C MANUAL II
EPSON
145
WORKBENCH/DEV TOOLS/OLD ASSEMBLER
13.9.4 Register Operation
rd
(register display)
Function
This command displays the contents of the CPU registers.
Format
>rd
↵
(direct input mode)
Display
(1) Contents of display
This command displays the contents of the following registers and memory addresses pointed by the
registers.
Register: PC, SP, IX, IY, B, A, H, L, BR, SC, CC
Memory: [HL], [IX], [IX+L], [SP], [IY], [IY+L]
∗
If the memory locations indicated by the registers are in an unused area, data in that area is marked
by an "
∗
" as it is displayed.
(2) When [Register] window is opened
When the [Register] window is opened, all the above contents are displayed in the [Register] window
according to the program execution. When you use the rd command, the displayed contents of the
[Register] window is updated.
(3) When [Register] window is closed
Data is displayed in the [Command] window in the following manner:
>rd
↵
PC:02AE SP:AAAA IX:AAAA IY:AAAA
B:AA A:AA H:AA L:AA BR:AA
CB:01 NB:01 EP:00 XP:00 YP:00
SC:I1 I0 U D N V C Z CC:F3 F2 F1 F0
1 1 0 0 0 0 0 0 1 1 1 1
>
(4) During log output
If a command execution result is being output to a log file by the log command, the register values are
displayed in the [Command] window even if the [Register] window is opened and are also output to
the log file.
GUI utility
[View | Register] menu item
When this menu item is selected, the [Register] window opens or becomes active and displays the
current register contents.
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