相比之下 EQU 更好用些.

; Test13_1.asm
.386
.model flat, stdcallinclude    windows.inc
include    kernel32.inc
include    masm32.inc
include    debug.inc
includelib kernel32.lib
includelib masm32.lib
includelib debug.lib.datan = 1      ; = 伪指令只能定义整数或整数表达式n = n + 1  ; 可重复定义
.code
main procPrintDec n ;2ret
main endp
end main

EQU 例一

; Test13_2.asm
.386
.model flat, stdcallinclude    windows.inc
include    kernel32.inc
include    masm32.inc
include    debug.inc
includelib kernel32.lib
includelib masm32.lib
includelib debug.lib.datanum1 equ 2         ; equ 可以定义整数和整数表达式num2 equ 3         ; 它不能像 = 一样重复定义num3 equ num1+num2 ; (我尝试了重复定义, 竟然有时也可以, 只是偶尔)txt  equ <'Asm'>   ; 可用 equ 定义字符串, 应使用 <>szTxt db txt, 0    ; 使用 equ 定义的常量
.code
main procPrintDec num3     ;5PrintString szTxt ;Asmret
main endp
end main

EQU 例二

; Test13_3.asm
.386
.model flat, stdcallinclude    windows.inc
include    kernel32.inc
includelib kernel32.lib
include    user32.inc
includelib user32.lib; 用 equ 给函数重命名
Msg  equ MessageBox
Exit equ <ExitProcess>  ;尖括号可保证字符串的完整、并避免和关键字冲突
; 甚至代替整个表达式
ShowMsg equ <invoke MessageBox, NULL, addr szMsg, addr szCaption, MB_OK>.dataszMsg     db 'Hello World!', 0szCaption db 'Hi', 0
.code
main procinvoke Msg, NULL, addr szMsg, addr szCaption, MB_OKShowMsginvoke Exit, NULL
main endp
end main

用 TEXTEQU 重做上一个例子, 完全可行:

; Test13_4.asm
.386
.model flat, stdcallinclude    windows.inc
include    kernel32.inc
includelib kernel32.lib
include    user32.inc
includelib user32.libMsg  textequ MessageBox
Exit textequ <ExitProcess>
ShowMsg textequ <invoke MessageBox, NULL, addr szMsg, addr szCaption, MB_OK>.dataszMsg     db 'Hello World!', 0szCaption db 'Hi', 0
.code
main procinvoke Msg, NULL, addr szMsg, addr szCaption, MB_OKShowMsginvoke Exit, NULL
main endp
end main

用 TEXTEQU 重做 EQU 的第一个例子(Test13_2.asm), 有区别:

; Test13_5.asm
.386
.model flat, stdcallinclude    windows.inc
include    kernel32.inc
include    masm32.inc
include    debug.inc
includelib kernel32.lib
includelib masm32.lib
includelib debug.lib.datanum1 equ 2               ; 这里的 equ 换做 textequ 不行num2 textequ <3>         ; 如果用 textequ 定义整数或表达式也要放在 <> 中num3 textequ <num1+num2> ; 这曾是 num3 equ num1+num2txt  textequ <'Asm'>     ;txt  textequ <'Delphi'>  ; textequ 可重复定义szTxt db txt, 0
.code
main procPrintDec num3     ;5PrintString szTxt ;Delphiret
main endp
end main