Article: Q39235
Product(s): Microsoft Macro Assembler
Version(s): 5.0,5.1,5.1a,6.0,6.0a,6.0b
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, 5.1a, 6.0, 6.0a, 6.0b
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SUMMARY
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In order to declare a communal variable of a record type, declare the variable
whose size matches the size of the record type. There is no need to specify that
the variable is of the record type.
MORE INFORMATION
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The following sample program demonstrates this information:
Sample Code
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;Assemble options needed: none
; module 1
.model small
DOSSEG
EXTRN proc2:proc
.stack 100h
.data
color RECORD blink:1, back:3, intense:1, fore:3
COMM near pixel:byte ; use "byte" because
; color has size byte.
.code
start: MOV ax, @data
MOV ds, ax
MOV pixel, color <1,2,1,3> ; now the variable pixel
; should contain abh (1 010 1 011)
CALL proc2
MOV ax, 4c00h
INT 21h
END start
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; module 2
.model small
DOSSEG
.stack 100h
.data
color RECORD blink:1, back:3, intense:1, fore:3
COMM near pixel:byte
.code
PUBLIC proc2
proc2 PROC
MOV ah, 0
MOV ah, pixel ; ah should contain abh (1 010 1 011)
RET
proc2 ENDP
END
Additional query words: 5.00 5.10 5.10a 6.00 6.00a 6.00b
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Keywords :
Technology : kbMASMsearch kbAudDeveloper kbMASM510 kbMASM600 kbMASM500 kbMASM600a kbMASM510a kbMASM600b
Version : :5.0,5.1,5.1a,6.0,6.0a,6.0b
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