UM0144 datasheet(19/92 Pages) STMICROELECTRONICS

19 / 92 page

ST7 Assembler Linker

3 ST7 Assembler

UM0144

19/92

Up to 4 characters may be used within a single pair of quotes to give a long constant. The

following special sequences are used to denote special characters:

Program counter reference

The current value of the program counter (PC) can be specified by an asterisk "*".

For example:

Expressions and operators

Expressions are numeric values that may be made up from labels, constants, brackets and

operators.

Labels and constants have been discussed in previous paragraphs.

Arithmetic brackets are allowed up to 8 nested levels—the curly braces {} are used instead

of the common “()” because instructions may use a parenthesis to denote indexed addressing

modes.

‘\b’

$7F

backspace

‘\f’

$0C

formfeed

‘\n’

$0A

linefeed

‘\r’

$0D

carriage return

‘\t’

$09

tabulation

‘\\’

$5C

slash

‘\’

$27

single-quote

‘\0’

$00

null

‘\”’

$22

double-quote

lab05

jra *

UM0144 Datasheet(PDF) 19 Page - STMicroelectronics

UM0144 Datasheet(HTML) 19 Page - STMicroelectronics

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