From: Robert Klemme <shortcutter@...>
Date: 2007-08-18T06:24:58+09:00
Subject: Re: 8086 simulator in ruby

On 17.08.2007 21:41, Phlip wrote:
> Vasil Vangelovski wrote:
> 
>> I'm thinking of writing a simulator for the intel 8086 processor in
>> ruby. At first I'm interested in implementing basic instruction
>> execution and memory access, no interrupts. The interface may later be
>> implemented with Tk maybe even as an ajax application on rails. My buest
>> guess is using metaprogramming for interpreting the  assembly
>> instructions. I'm not wery experienced with design patterns, so I need
>> some ideas on the levels of abstraction (the classes) i need to start
>> with this. Any ideas?
> 
> Woo-hoo! Like Larry Wall said (he'd know), Real programmers can write
> assembler in any language!
> 
> Try:
> 
>     cpu = CPU.new
>     cpu.push 42
>     cpu.shift :b
> 
> and away you go!

I'd rather do

CPU8086 do
   label :begin
     push 42
     shift :b
     jmp :begin
end

I.e. create an instance behind the scenes and instance_eval the block.

Kind regards

	robert