4 using a force operator, Using a force operator, Operating procedures – Motorola HC12 User Manual
Page 234
User’s Manual
MCUez HC12 Assembler
234
Operating Procedures
MOTOROLA
Operating Procedures
11.6.3 Defining Symbols in the Direct Page
Symbols that are defined in the predefined section BSCT are always accessed
using the direct addressing mode.
Example:
…
BSCT
DirLabel: DS.B 3
dataSec: SECTION
ExtLabel: DS.B 5
…
codeSec: SECTION
…
LDD DirLabel ; Direct addressing mode is used
…
LDD ExtLabel ; Extended addressing mode is used
11.6.4 Using a Force Operator
A force operator can be specified in an assembly instruction to force direct or
extended addressing mode.
The supported force operators are:
•
<
or
.B
to force direct addressing mode
•
>
or
.W
to force extended addressing mode
Example:
…
dataSec: SECTION
label: DS.B 5
…
codeSec: SECTION
…
LDD <label ; Direct addressing mode is used
LDD label.B; Direct addressing mode is used
…
LDD >label ; Extended addressing mode is used
LDD label.W ; Extended addressing mode is used