Table of Contents
What is the use of NASM?
The Netwide Assembler (NASM) is an assembler and disassembler for the Intel x86 architecture. It can be used to write 16-bit, 32-bit (IA-32) and 64-bit (x86-64) programs. NASM is considered to be one of the most popular assemblers for Linux.
What opcode syntax do NASM and Fasm use?
Intel syntax
NASM and FASM use Intel syntax, and Intel syntax is what the Bochs debugger will provide you when debugging your kernel.
How do I use NASM on Windows?
Prof. Hartman
- Download NASM and its documentation from the NASM download page.
- Extract the binaries to wherever you like.
- Put nasmw.exe in your system directory.
- Make a new “Win32 Console Application” project in Visual C++.
- Put the files first.
What is NASM and TASM?
1. 1. TASM, MASM, and NASM are x86 assemblers. Borland Turbo Assembler (TASM) and Microsoft Macro Assembler (MASM) are DOS/Windows-based, Netwide Assembler (NASM) is available for other platforms as well. TASM produces 16-bit/32-bit output, MASM and NASM also produce 64-bit output.
What is Intel syntax?
In Intel syntax the first operand is the destination, and the second operand is the source whereas in AT syntax the first operand is the source and the second operand is the destination. The advantage of AT syntax in this situation is obvious.
What are the different directives in NASM and what is the use of it?
NASM’s directives come in two types: user-level directives and primitive directives. Typically, each directive has a user-level form and a primitive form. In almost all cases, we recommend that users use the user-level forms of the directives, which are implemented as macros which call the primitive forms.
Where is NASM installed?
Type make install to install nasm and ndisasm in /usr/local/bin and to install the man pages.
What is the difference between TASM and MASM?
Borland advertised Turbo Assembler as being 2-3 times faster than its primary competitor, Microsoft Macro Assembler (MASM). TASM can assemble source in a MASM-compatible mode or an ideal mode with a few enhancements. Object-Oriented programming was added in version 3.
How do you write constant data in NASM?
Generally, you put code in a section called .text and your constant data in a section called .data . NASM is an awesome assembler, but assembly language is complex. You need more than a tutorial.
How does NASM evaluate arguments declared with a macro parameter?
If declared with an =, NASM will evaluate the argument as an expression after expansion. If an argument declared with an &, a macro parameter will be turned into a quoted string after expansion.
What is the difference between a = and a + in NASM?
1 If declared with an =, NASM will evaluate the argument as an expression after expansion. 2 If an argument declared with an &, a macro parameter will be turned into a quoted string after expansion. 3 If declared with a +, it is a greedy or variadic parameter; it includes any subsequent commas and parameters.
How good is NASM for learning assembly language?
NASM is an awesome assembler, but assembly language is complex. You need more than a tutorial. You need details. Lots of details. Be ready to consult: The NASM Manual, which is pretty good!