Q26707: LOOP Can Use ECX in 16-bit Segment, CX in 32-bit Segment

Article: Q26707
Product(s): Microsoft Macro Assembler
Version(s): 5.0,5.1
Operating System(s): 
Keyword(s): 
Last Modified: 06-MAY-2001

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The information in this article applies to:

- Microsoft Macro Assembler (MASM), versions 5.0, 5.1 
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SUMMARY
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You can use a cast override to change the operand size for the LOOP instruction.
For example, use "LOOP dword ptr alabel", so that in a 16-bit segment, ECX will
be used instead of CX. If you use a WORD override in a 32-bit segment, CX will
be used instead of ECX.

Additional query words: 5.00 5.10

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Keywords          :  
Technology        : kbMASMsearch kbAudDeveloper kbMASM510 kbMASM500
Version           : :5.0,5.1

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