Recent questions tagged assembly

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assembly - What is the penalty of mixing EVEX and VEX encoded scheme?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 608 views

assembly - How is floating point conversion actually done in C++?(double to float or float to double)

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 744 views

assembly - Convert ASM to C (not reverse engineer)

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 693 views

assembly - How many ways to set a register to zero?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - What are the ESP and the EBP registers?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - What is the point of delay slots?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - more info on Memory layout of an executable program (process)

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.5k views

assembly - Difference between JE/JNE and JZ/JNZ

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 861 views

assembly - Purpose of ESI & EDI registers?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

assembly - Printing floats with printf in x86 nasm 32-bit

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 832 views

assembly - What is the point of SSE2 instructions such as orpd?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - Binary Bomb Phase 5 issue (my phase 5 seems to be different from everyone elses)

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 870 views

assembly - BIOS int 10h printing garbage on QEMU

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 699 views

assembly - How much faster are SSE4.2 string instructions than SSE2 for memcmp?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 775 views

assembly - When should I use size directives in x86?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 821 views

assembly - Why can I access lower dword/word/byte in a register but not higher?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 938 views

assembly - Using ymm registers as a "memory-like" storage location

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 733 views

assembly - Which versions of Windows support/require which CPU multimedia extensions? (How to check if SSE or AVX are fully usable?)

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 977 views

assembly - Differences between general purpose registers in 8086: [bx] works, [cx] doesn't?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.1k views

assembly - Getting string input and displaying input with DOS interrupts MASM

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 730 views

assembly - How to determine if the registers are loaded right to left or vice versa

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 922 views

assembly - How to produce a minimal BIOS hello world boot sector with GCC that works from a USB stick on real hardware?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 551 views

assembly - Enable the boot loader to load the second sector of a USB

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 703 views

assembly - Where is VPERMB in AVX2?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 975 views

assembly - Relative performance of x86 inc vs. add instruction

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 873 views

assembly - Is there a specification of x86 I/O port assignment?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 889 views

assembly - Why are x86 registers named the way they are?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 571 views

assembly - What is a microcoded instruction?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 792 views

assembly - What is the purpose of segment registers in x86 protected mode?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 681 views

assembly - How does the GCC implementation of modulo (%) work, and why does it not use the div instruction?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 700 views

assembly - Why did GCC generate mov %eax,%eax and what does it mean?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 929 views

assembly - What does ordered / unordered comparison mean?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 1.2k views

assembly - What does `dword ptr` mean?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 689 views

assembly - How to tell the length of an x86 instruction?

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1 answer 858 views

assembly - NASM Error Parsing, Instruction Expected

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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