Browsing Tag
assembly
74 posts
What is the purpose of the index register in Assembly language
I remember the exact moment index registers made sense to me: I was trying to loop through an…
Describe the process of macro expansion in Assembly language
There was a point early in my Assembly journey where I was copy-pasting the same five-instruction sequence for…
How Floating-Point Arithmetic Is Handled in Assembly Language
I distinctly remember the first time I tried to add two decimal numbers in Assembly using ordinary integer…
Explain the role of the condition code register in Assembly language
If there’s one register I underestimated the most when I started learning Assembly, it’s the condition code register.…
How Are Interrupts Prioritized in Assembly Language Programming?
When I first started poking around inside a CPU with a debugger open, the thing that confused me…
What Is the Purpose of the Instruction Pipeline in Assembly Language?
The first time I stepped through assembly in a debugger and then looked at how the actual silicon…
Describe the Function of the Program Status Word in Assembly Language
Somewhere behind every jz, jnz, bcc, or beq instruction you’ve ever written, there’s a small, unglamorous register quietly…
How Is Memory Allocation Managed in Assembly Language?
High-level languages spoil you. Type new or call malloc() and a chunk of memory just appears, ready to…
Explain the Concept of Addressing Modes in Assembly Language
There’s a moment when learning assembly where you realize an instruction like mov eax, [ebx+ecx*4+8] isn’t showing off…
What Is the Role of the Status Register in Assembly Language?
I want to be upfront about something before diving in: the status register and the Program Status Word…