书上一个例子 用masm32命令行编译错误

[xspace_time]

;This program adds and substracts 32-bit integers.
.386
.model flat,stdcall

;INCLUDE Irvine32.inc
;INCLUDELIB Irvine32.lib

.stack 4096
ExitProcess PROTO,dwExitCode:DWORD
DumpRegs PROTO
.code
main PROC
mov eax,10000h
add eax,40000h
sub eax,20000h
call DumpRegs

INVOKE ExitProcess,0
main ENDP
END main

[BAYNPU]

有没提示什么错误？我在《INTEL汇编语言程序设计》的编译器汇编能通过啊。