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346 B
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4 lines
No EOL
346 B
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The Intel OpCode Syntax can tell if there is ModRM byte, as well as if registers are encoded directly in opcode (rb for example),
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and can tell size of immediate (ib iw id for example). The /digit can also indiciate presense of ModRM.
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The size of displacement is also dictated by cw/cd.
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VEX prefixes. 0xC5 for 3-byte VEX and 0xC4 for 2-byte prefix |