CHAPTER 8: DEBUGGER
170
EPSON
S5U1C63000A MANUAL
(S1C63 FAMILY ASSEMBLER PACKAGE)
dw
(data memory watch)
Function
This command registers four data memory locations as the watch data addresses. Memory contents
equivalent to 4 words at each watch address are displayed in the [Register] window.
Format
(1) >dw <address1> [ ... <address4>]
↵
(direct input mode)
(2) >dw
↵
(guidance mode)
Address 1 =
Old value : <address1>
↵
Address 2 =
Old value : <address2>
↵
Address 3 =
Old value : <address3>
↵
Address 4 =
Old value : <address4>
↵
>
<address1–4>: Watch address; hexadecimal or symbol (IEEE-695 format only)
Condition:
0
≤
address1
≤
address2
≤
0xffff
Examples
Format (1)
>dw 10 14 18 1C
↵
... Sets watch addresses to 0x10, 0x14, 0x18, and 0x1c.
Format (2)
>dw
↵
Address1 = 0010 :0
↵
Address2 = 0014 :4
↵
Address3 = 0018 :8
↵
Address4 = 001c :c
↵
>
Notes
• When the debugger starts up, four locations at addresses 0, 4, 8, and 0xc are initially set as the watch
data addresses.
• The address specified here must be within the range of the data memory area available with each
microcomputer model.
An error results if the input one is not a hexadecimal number or a valid symbol.
Error : invalid value
(no such symbol / symbol type error)
An error results if the limit is exceeded.
Error : Address out of range, use 0-0xFFFF
• The watch data addresses are set in units of 4 words. A warning results if you specify an address that
is outside the 4-word boundary, with your specified address rounded down to a multiple of 4.
Example:
>dw
↵
Address1 = 0000 :0
↵
Address2 = 0004 :10
↵
Address3 = 0008 :15
↵
... Illegal address
Address4 = 000c :19
↵
... Illegal address
Warning : round down to multiple of 4
Address1 = 0
Address2 = 10
Address3 = 14
>
Содержание S5U1C63000A
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