assembly - intel to ATT assembley conversion for reading data segment of BIOS -

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what equivalent att code following intel code: 

    bios    segment byte @ 40h             org     13h             memory  dw      ?     bios    ends

that's not question of at&t syntax such. it's question of assembler , linker use. also, suppose still need load segment register hand. simplest case rid of whole thing, , instead along these lines:

mov $0x40, %ax mov %ax, %es mov %es:0x13, %ax

depending on requirements , available tools, can of course produce fancier code, don't see point.


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