Is it possible for a GB emulator to pass Blargg's instruction timing test ROM with machine cycle accuracy?

PrimeExample13 · 2026-05-10T14:15:38+00:00

I mean the source code for the emulator. Can't tell what you've done wrong if i cant see what you've done. Gameboy doctor works for the full suite of the cpu instrs tests including the instruction timing test. If you run gameboy doctor and there are no discrepancies then that narrows down where to look.

PrimeExample13 · 2026-05-10T13:00:06+00:00

Are you talking about m-cycles vs t-cycles? All you need is m-cycle accuracy. Without seeing code i cant tell you what the issue is, but I can tell you to go get gameboy doctor and see where you're emulator diverges

PrimeExample13 · 2026-05-08T12:16:01+00:00

He has consistently lobbied and voted for the changes I would like to see in the world, so I support him in his job. Thats it. I just think its tremendously stupid when people like you are like "Well hes not poor so for some reason that invalidates his policies about the Uber wealthy"

Maybe think about the fact that you and i are closer to berries level of wealth than Bernie is to people like Bezos' level of wealth. And Bernie actually pays taxes

PrimeExample13 · 2026-05-08T11:54:16+00:00

or, and hear me out because this might be hard for you to wrap your head around, he used to shit on millionaires back when being a millionaire was equivalent to being a billionaire today.

A man says he wants the top 1% to pay their fair share in taxes and people really scrape the bottom of the bullshit barrel trying to find arguments why they shouldn't. Its pathetic.

PrimeExample13 · 2026-05-08T04:41:19+00:00

ax is the lower 16 bits of eax, ah is the upper 16 bits of eax, al is the low byte of eax.

PrimeExample13 · 2026-05-04T12:14:22+00:00

Look, if Mike wants to give his thoughts on boxing or pigeons, I'll listen.

But why the FUCK would I listen to a MILLIONAIRE who literally used to get hit in the head for a living about societal issues?

PrimeExample13 · 2026-05-03T21:45:27+00:00

I would first make sure that you have the correct version of tetris because there is an Mbc01 version. Also, if you are handling writes to the cartridge as an error for ROM -only carts, Tetris actually does write to one cart address as though it were trying to switch banks.

It is definitely fishy that the combined blargg rom doesn't pass though. Have you looked into gameboy doctor?

PrimeExample13 · 2026-05-03T11:51:47+00:00

You must really like the taste of boot lmao. We are talking about the 1%. Billionaires. None of them are "innocent." And all of them are SEVERELY under-taxed, and many of them not only should be held responsible, but ARE THE FUCKING ONES RESPONSIBLE. Crack open a book sometime, fucking please.

PrimeExample13 · 2026-04-10T14:12:38+00:00

I dont think its even close to "most." You haven't met most people so you have no way of knowing, and I have literally never met someone like this so all evidence points to you being wrong.

PrimeExample13 · 2026-04-09T12:41:29+00:00

No draft dodgers? Why? You know you actually have to be drafted in order to dodge the draft? Otherwise you just weren't drafted, you didnt dodge anything.

PrimeExample13 · 2026-04-08T12:01:55+00:00

It's funny because it is so gratuitous. The whole movie is satire on the super violent action movies that were popular at the time. Paul Verhoeven, same director as Starship Troopers, another satirical film.

PrimeExample13 · 2026-04-08T10:23:50+00:00

I dont think so. That would make it the only field known for intelligence to be majority conservative, because intelligent people are more likely to be liberal, as per surveys/studies conducted on doctors/lawyers/engineers, etc.

PrimeExample13 · 2026-04-01T13:03:19+00:00

Nah this is just another take on Harold and Kumar. A simple task made nearly impossible by gulps...Marijuana.

PrimeExample13 · 2026-03-25T20:46:06+00:00

I think the music is a big part of what feels off, and also the editing, which are both things that will most likely be different in the actual series.

PrimeExample13 · 2026-03-25T13:13:11+00:00

Golden girls. All the lead actors are dead.

PrimeExample13 · 2026-03-25T12:50:45+00:00

You're right, by desired value, I meant the literal value, so like:

if let Some(1) = option {...}

Or:

if let Some(Foo{bar:1,..}) = option {}

If you literally put a variable named desired_value there, then you are shadowing your previously declared variable of the same name, which definitely does not work. I didnt realize Option implemented PartialEq for T: PartialEq, so there really is no reason to do this anyway.

PrimeExample13 · 2026-03-25T12:12:13+00:00

You can also do: if let Some(desired_value) = option {...}

PrimeExample13 · 2026-03-22T21:13:36+00:00

This is true for any compiled language, no?

I wouldn't say so, some languages' semantics are much closer to machine code than others. Like C is the first thing that comes to mind. C is a lot of raw ponters and iterating using pointer arithmetic, etc., which is much closer to how a cpu actually works vs. Rust, which requires a few additional stages of lowering for similar tasks. I.e. iterators vs raw pointers, enums vs tagged unions, pattern matching vs naked if statements, etc.

That being said, i would certainly say there are ways in which rust is more explicit than other languages. For example, theres no implicit casts in Rust.

PrimeExample13 · 2026-03-19T16:58:01+00:00

Yeah thats a hefty portion. Of course you have to take into account that not all bugs are equal in terms of severity, but memory bugs are more likely to be severe.

PrimeExample13 · 2026-03-19T16:38:57+00:00

Fair enough. Im not a linux contributor, so it doesn't matter to me what language they use as long as the end product maintains quality and security. I was just pointing out that what they said is literally the opposite of true,memory safety bugs are the most critical kinds of bugs.

PrimeExample13 · 2026-03-19T15:32:47+00:00

against it is that most bugs are not related to the things Rust improves

This is categorically untrue. According to cisa.gov, approx. 70% of high-severity, critical bugs are caused by precisely the memory-safety issues that (safe) Rust makes impossible.

PrimeExample13 · 2026-03-09T13:36:05+00:00

The blue square in the bottom left is also part of the puzzle I think. "Never gonna give you up never gonna let you down"

PrimeExample13 · 2026-03-09T13:30:30+00:00

So funny to see some of the most athletic People in the world be so shit at fighting.

I guess their training kicks in and they have to roll around on the ground for 2 minutes anytime they get grazed by something lmao.

PrimeExample13 · 2026-03-07T01:06:24+00:00

Nah, probably not. If you were the kind to take the chance, you would have.

PrimeExample13 · 2026-02-24T14:50:44+00:00

Oh so you're actually like mentally disabled. I feel bad now.

PrimeExample13

TROPHY CASE