x86 tag

3 questions

1 answers
107 views
0

What is the operand size and address size? What is the point of preparing a 16-bit operation? What is the relationship between memory size limits and address size?

Which is faster, 32-bit integer or 64-bit integer on x64? pageIn Sayuri's reply, Egtra said The x86/x86-64 32-bit mode also requires one byte more 16-bit operations than 32-bit instructions (operand-s...

assembly-language x86

2 years ago

2 answers
155 views
0

How does the CPU get to the BIOS right after boot?

To run the BIOS program immediately after boot, you must boot to the BIOS ROM address 0xffff0.AMD and Intel specifications say so, but I am not convinced.I'm not convinced because it doesn't describe ...

x86 bios

2 years ago

1 answers
160 views
0

Undefined symbols for architecture x86_64: "printf" ld: symbol(s) not found for interested architecture x86_64

Nasm to count from 1 to 100 - Qiita Using the above article as a reference, I ran the following code and received an error:When I checked it, it seems that I need to set the option or not, but I am no...

x86

2 years ago

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