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AX51 Macro Assembler
Knowledgebase
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- USER'S GUIDE ERRORS
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The Keil AX51 Macro Assembler is an enhanced 8051 assembler that provides support for 8051-based devices with additional instructions and features. The AX51 Assembler also adds numerous enhancements that are beneficial to large application development.
Following is a list of differenced between the AX51 Assembler and the A51 Assembler.
- Support is included for the Dallas Contiguous Mode Instruction Set (390/5140/400).
- Support is included for the Philips 51MX Instruction Set.
- Case-sensitive symbols are supported.
- Memory class support has been added.
- Alignment features and relocation types have been added or enhanced.
- 32-bit arithmetic for expression calculations is supported.
- 8051 SFR's are no longer predefined.
- More words are reserved for the assembler (ECALL for example).
- OMF2 object module format is used.
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