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- .sect .text; .sect .rom; .sect .data; .sect .bss
- .define .and
- ! #bytes in ecx
- ! save edi; it might be a register variable
- .sect .text
- .and:
- pop ebx ! return address
- mov edx,edi
- mov edi,esp
- add edi,ecx
- sar ecx,2
- 1:
- pop eax
- and eax,(edi)
- stos
- loop 1b
- mov edi,edx
- jmp ebx
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