Motorola HC12 User Manual
Assembler Syntax
Expressions
MCUez HC12 Assembler
User’s Manual
MOTOROLA
Assembler Syntax
157
7.8.2 Simple Relocatable Expression
A simple relocatable expression results from an operation such as the one
shown here:
shown here:
•
<relocatable expression> + <absolute expression>
•
<relocatable expression> – <absolute expression>
•
<absolute expression> + < relocatable expression>
Example:
XREF XtrnLabel
DataSec: SECTION
tabBegin: DS.B 5
tabEnd: DS.B 1
CodeSec: SECTION
entry:
LDA tabBegin+2 <- Simple relocatable expression
BRA *-3 <- Simple relocatable expression
LDA XtrnLabel+6 <- Simple relocatable expression
indicates the type of expression according to the operator in an unary
operation.
Table 7-4. Expression — Operator Relationship (Unary)
Operator
Operand
Expression
—, !, ~
Absolute
Absolute
—, !, ~
Relocatable
Complex
+
Absolute
Absolute
+
Relocatable
Relocatable