ASSEMBLY LANGUAGE Make a program that displays a message in assembly language: 3

Question

ASSEMBLY LANGUAGE

Make a program that displays a message in assembly language:

3.5.4 TEXTEQU Directive
The TEXTEQU directive, similar to EQU, creates what is known as a text macro. There are three
different formats: the first assigns text, the second assigns the contents of an existing text macro,
and the third assigns a constant integer expression:
name TEXTEQU <text>
name TEXTEQU textmacro
name TEXTEQU %constExpr
For example, the prompt1 variable uses the continueMsg text macro:
continueMsg TEXTEQU <"Do you wish to continue (Y/N)?">
.data
prompt1 BYTE continueMsg
Text macros can build on each other. In the next example, count is set to the value of an integer
expression involving rowSize. Then the symbol move is defined as mov. Finally, setupAL is
built from move and count:
rowSize = 5
count TEXTEQU %(rowSize * 2)
move TEXTEQU <mov>
setupAL TEXTEQU <move al,count>

Therefore, the statement
setupAL
would be assembled as
mov al,10
A symbol defined by TEXTEQU can be redefined at any time.

Explanation / Answer

32 Bit Code

64 Bit Code

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.