HP 64783A, Руководство пользователя

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—EXPR—
The function of an expression (—EXPR—) is to let you define the address, data, or
status expression that fits your needs. You can combine multiple values to define
the expression.
Some emulation commands will allow the option of <+EXPR> after pressing a thru
softkey. This allows you to enter a range without retyping the original base address
or symbol. For example, you could specify the address range
disp_buf thru di 25
as
disp_buf thru +25
DON’T CARE
NUMBER
You can include “don’t care numbers” in expressions. These are indicated by a
number containing an “x.” These numbers may be defined as binary, octal,
decimal, or hexadecimal. For example: 1fxxh, 17x7o, and 011xxx10b are valid.
“Don’t care numbers” are not valid for all commands.
—NORMAL— This appears as a softkey label to enable you to return to the —EXPR— key. The
—NORMAL— label can be accessed whenever defining an expression, but is only
valid when “C” appears on the status line, which indicates a valid expression has
been defined.
<NUMBER>
This can be an integer in any base (binary, octal, decimal, or hexadecimal), or can
be a string of characters enclosed with quotation marks.
Chapter 11: Emulator Commands
—EXPR—
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