invalid instruction operand?

[xiahan]

Code Select Expand

LOCAL copy[1024]:BYTE


Code Select Expand

mov copy,1024


why this is invalid?

[bomz]

mov dword ptr[copy], 1024
mov word ptr[copy], 1024
mov dword ptr[copy+4], 1024
mov word ptr[copy+2], 1024
mov byte ptr[copy],0
LOCAL      copy[1024]:BYTE

[xiahan]

aHa,it works! :U