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Ax51 User's Guide
Ax51 Introduction Assembling Programs 
Writing Assembly Programs Assembly Statements 
Controls Instructions Comments Symbols and Symbol Names Labels Using Operands and Expressions Special Assembler Symbols Immediate Data Memory Access DATA BIT IDATA EDATA XDATA CODE Program Addresses Expressions and Operators Numbers Characters Character Strings Location Counter Operators ( ) * + - / < <= <> == > >= AND BYTEx EQ GT GTE HIGH LOW LT LTE MBYTE MOD NE NOT OR SHL SHR WORDx XOR Class Operators Expressions Expression Classes Relocatable Expressions Simple Relocatable Expressions Extended Relocatable Expressions Expressions Example Control Statements Macro Processor Error Messages AppendixLOW Assembler Operator
| Arguments | LOW operand | ||||||||||||||||
| Description | The LOW operator returns the low-order byte of operand (a 16-bit operand is assumed). The operand must either be absolute or a constant defined as extrn name:NUMBER . Other types of relocatable operands are not allowed. The following table shows how the BYTEx, WORDx, HIGH, and LOW controls work on a 32-bit value.
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| Example | MOV R0,#LOW 1234h ; R0=34h | ||||||||||||||||
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