Datasheet

Chapter 1. Overview 1-15
Programming Model, Addressing Modes, and Instruction Set
1.4.4 Instruction Set
The ColdFire instruction set supports high-level languages and is optimized for those
instructions most commonly generated by compilers in embedded applications. Table 2-8
provides an alphabetized listing of the ColdFire instruction set opcodes, supported
operation sizes, and assembler syntax. For two-operand instructions, the first operand is
generally the source operand and the second is the destination.
Because the ColdFire architecture provides an upgrade path for 68K customers, its
instruction set supports most of the common 68K opcodes. A majority of the instructions
are binary compatible or optimized 68K opcodes. This feature, when coupled with the code
conversion tools from third-party developers, generally minimizes software porting issues
for customers with 68K applications.
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Freescale Semiconductor, Inc.
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