Motorola HC12 - page 297

Assembler Messages
Message Codes
MCUez HC12 Assembler User’s Manual
MOTOROLA Assembler Messages 297
12.3.58 A12107: Illegal Size Specification for HC12 Instruction
Type: Error
Description: A size operator follows an HC12 instruction. Size operators are
coded as a period character followed by a single character.
Example:
CodeSec: SECTION
…
ADDD.W #$0076
Tip: Remove the size specification following the HC12 instruction.
Example:
CodeSec: SECTION
…
ADDD #$0076