Then an "assembler" is a device that takes individual machine instructions an puts them together into an "assembly".

I wanted to write something basic in assembly under Windows. I'm using NASM, but I can't get anything working. How do I write and compile a hello world program without the help of C …

A one pass assembler generates code and for any undefined symbols, leaves a slot to be filled in, and remembers it in a table or other data structure. Then where the symbol is defined, it fills in …

The assembler understands only three different assembler codes "mov eax,immed32", "add eax,immed32", "and eax,immed32" and no data nor labels. It will produce a tiny Windows PE …

Jun 11, 2020 · can anyone give me a comprehensive description about ORG directive? When and why is it used in assembly written applications? Using Nasm on x86 or AMD64.

Dec 4, 2018 · This should be described in the documentation for any assembler that has an and instruction. It does a bit-wise Boolean "and" between two operands. In other words, …

If there are good simulator/IDE things available for another type of assembler then I could try that instead (assuming there is a good online reference manual available).

Jan 3, 2010 · I'm interested in writing an x86 assembler for a hobby project. At first it seemed fairly straight forward to me but the more I read into it, the more unanswered questions I find …

Nov 15, 2016 · Not knowing the particular assembly language you are using, I'll write this out in pseudocode: compare input to waterlevel if less, jump to A if equal, jump to B jump to C A: …

Mar 8, 2012 · For AT&T syntax, note that the subtraction does the other direction, so read right to left instead of left to right: Regarding cmp / jg, jle, etc in AT&T syntax assembly What does JL …