FIX: SYS1811 or A2087 and A2006 Incorrectly Generated

Last reviewed: September 16, 1997
Article ID: Q79843

6.00 | 6.00 MS-DOS | OS/2 kbtool kbfixlist kbbuglist

The information in this article applies to:

Microsoft Macro Assembler for MS-DOS, version 6.0
Microsoft Macro Assembler for OS/2, version 6.0

SYMPTOMS

When using the Microsoft Macro Assembler (MASM) version 6.0, two errors may be generated if you declare a segment name after .CODE and include that name in a GROUP directive. Under MS-DOS, the errors are:

   A2087: instruction form requires 80386/486
   A2006: undefined symbol : TEMP

Under OS/2, you will get the error:

   SYS1811:

   The process has stopped.  The software
   diagnostic code (trap number) is   013.

STATUS

Microsoft has confirmed this to be a problem in the MASM 6.0. This problem was corrected in MASM version 6.0a.

MORE INFORMATION

The sample code below demonstrates the problem. Assembling this with no options displays the errors above.

Sample Code

; Assemble options needed: none

.MODEL LARGE DGROUP GROUP TEMP .CODE TEMP temp1:

   mov ax,4C00H
   int 21H

END temp1

Additional reference words: 6.00 buglist6.00 fixlist6.00a
KBCategory: kbtool kbfixlist kbbuglist
KBSubCategory: MLIss
Solution Type : kbfix

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Last reviewed: September 16, 1997
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