machine-code

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What is the action of the GRPL instruction in the I386 instruction set?
user_175279880
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69
instruction-encoding opcode machine-code x86 assembly
Hex machine code for mov immediate to 64-bit register doesn't have a REX.W prefix?
user_175237370
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108
instruction-encoding nasm x86-64 machine-code assembly
how arm-thumb instruction set's blx instruction support 4MB range
user_163874000
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363
instruction-encoding thumb arm machine-code assembly
ModRM: Can't use direct address, assembly x86
user_75561450
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106
instruction-encoding machine-code x86 assembly
What happens if x86 jmp jumps to an address between two other consecutive valid ones?
user_8156530
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384
machine-code x86 assembly
How does an instruction decoder tell the difference between a prefix and a primary opcode?
user_164657390
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480
instruction-encoding machine-code x86 assembly cpu-architecture
Where has Intel documented the encoding of extended registers (R8-R15) in ModR/M byte?
user_167080990
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191
instruction-encoding x86-64 machine-code intel assembly
Is there a default operand size in the x86-64 (AMD64) architecture?
user_17525630
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800
prefixes x86-64 machine-code assembly
Are machine code instructions fetched in little endian 4-byte words on an Intel x86-64 architecture?
user_94004210
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460
word x86-64 endianness machine-code intel
Where do assembly instruction "Intel group" categories originate?
user_7382870
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113
x86-16 machine-code intel x86 assembly
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