code segment
assume cs:code
start:
   mov eax,01234567890123456789012345678901h
   mov ebx,12345678901234567890123456789012h
   add ebx,eax
   lahf
   cmp al,10000000h  
   jbg oveflow
   push ebx         
   mov ax,4c00h
   int 21h
oveflow: push 1      
         push ebx
         mov ax,4c00h
         int 21h
code ends
end start
报错内容：
add32.ASM(4): error A2009: Symbol not defined: EAX
add32.ASM(5): error A2009: Symbol not defined: EBX
add32.ASM(6): error A2009: Symbol not defined: EBX
add32.ASM(8): error A2029: Division by 0 or overflow
add32.ASM(9): error A2105: Expected: instruction or
add32.ASM(10): error A2009: Symbol not defined: EBX
add32.ASM(13): error A2006: Phase error between pass
add32.ASM(14): error A2009: Symbol not defined: EBX
愣是不明白哪里错了
呵呵
还望大家指教
不胜感激

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