asiekierka

AREIA-1
------------

16 registers, 16 bits each,
        0 = always 0
        15 = SP

Memory is treated as little-endian.
Opcode byte: oooooott (o - opcode, t - type of opcode)
l is .b or .w

asiekierka

AREIA-1
------------

16 registers, 16 bits each,
        0 = always 0
        15 = SP

Memory is treated as little-endian.
Opcode byte: oooooott (o - opcode, t - type of opcode)
l is .b or .w

asiekierka

Welcome to Modular Computing! This document's goal is to explain how the Areia-1 CPU works and how to use it.

BASICS:

Let's start with the simplest opcode: move.

move.w dst, src

It lets you move the values inside registers, or to change such a value to a number. ".w" means it is related to WORDS - 16-bit values. This is not important to you for now.

asiekierka

AREIA-1
------------

16 registers, 16 bits each,
        0 = always 0
        15 = SP

Memory is treated as little-endian.
 
OP1 in {move, cmp, add, sub, xor, or, and}

asiekierka

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