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In New Super Mario Bros. U/Deluxe, there is an extremely simple and efficient way to obtain…

Supper Mario Broth about 17 days ago

In New Super Mario Bros. U/Deluxe, there is an extremely simple and efficient way to obtain infinitely many extra lives with two players. For this, one of the players must be in the Super state (Luigi in the footage) and one in the Mini state (Mario in the …
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This N64 Controller Can Play The Entire Game Boy Library

Time Extension about 24 days ago

A three-pronged attack.We've seen some pretty awesome community-made mods in recent years, such as a rare PS1 controller that can play PS1 games, a Wii console that's about the size of a pack of cards and even a NES cartridge that can play itself – but t …
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Meet Short Stack, The World's Smallest Nintendo Wii

Time Extension about 1 month ago

"7.4% the volume of an original Wii console".If you're the kind of person who always seems to have painfully limited storage space under your TV, then Wii must have come as a breath of fresh air when it launched back in the mid-2000s.Unlike the Xbox 360 an …
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In Super Mario Odyssey, crates exist outside of time.

Supper Mario Broth about 1 month ago

In Super Mario Odyssey, crates exist outside of time.In early versions of the game (1.0 or 1.1), a glitch exists whereby capturing a stack of Goombas that are touching a Life-Up Heart results in time stopping. All movement except for Mario’s own is s …
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In Mario Kart 8/Deluxe, the Goomba stacks on the Mario Circuit track have a limit of 118 Goombas per…

Supper Mario Broth about 1 month ago

In Mario Kart 8/Deluxe, the Goomba stacks on the Mario Circuit track have a limit of 118 Goombas per stack. Above are two Goomba stacks of maximum height.Main Blog | Twitter | Patreon | Small Findings | Source: YouTube user “RoGamer97” …

Roadshow 1.15 released

Amigans about 3 months ago

Slightly delayed by only 18 months (we are getting faster), the free Roadshow TCP/IP stack 1.15 update is now available to all customers.This update is focused on improving installation and maintenance tasks, as well as making the installation documentatio …

CoCo2 Assembly Oddity: User Stack Weirdness (Seeking Feedback)

VCFed about 4 months ago

Hello, I've been recently digging into learning 6809 assembly for speeding up some ideas I have for the CoCo2, and I'm having trouble when trying to use the User Stack, or U. As detailed in the processor's datasheet, we have two stacks, S & U, where S …

DC600A tapes

VCFed about 4 months ago

I got a stack of 3M cartridges in their degrading shrink wrap packaging that have likely never been used. I did the visual inspection on one and found the band was intact and didn't lift oxide off the tape when I advanced it by hand. Not really a valid ind …

The Datapoint 5500 thread..

VCFed about 4 months ago

As I have been loaned (thanks Jaak Bartok !) a Datapoint 5500, with the target of gettting it running again, I thought this might be a good spot to track progress. The 5500 is a follow-up of the 2200, and shares the same housing. Internally it differs qu …

Apple IIGS - RESET line stack on 0V

Apple Fritter about 4 months ago

Hello,Weird problem here:I bought an Apple IIGS (in non-working condition), ROM01. The motherboard is in bad shape, the battery has leaked everywhere and damaged the traces.The previous owner fixed the wiring and replaced some ICs.As far as I can tell the …
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Third Party TCP for Xenix 286

VCFed about 4 months ago

It was talked about in the #vc IRC channel that while I was being stupid and installing Xenix 286 I should also add a network card. Xenix 286 does not ship with a TCP stack. That would be available for the 386 releases and later the SCO builds. From what …

Compiling gcc for m68010 ; missing alloca()

VCFed about 4 months ago

[Decided to try and get gcc built for the Tektronix 4404] The native K&R C compiler does not have alloca() AND has no support for embedding asm() How do you implement alloca() in C without being able to manipulate the stack frame? Adam …

Programming Language Checklist

VCFed about 4 months ago

Here is a programming language checklist for people writing a new computer language. It's both funny and true... ... Language Checklist | Colin McMillen ... …

8080 memory interfacing vs z80

VCFed about 5 months ago

I've looked at the Z80 pins such as MREQ, IORQ, RD and WR and these make sense to me. http://bitsav... now looking at 8080's equiv …

Car power adapters?

VCFed about 5 months ago

I have a stack of NOS brick type power adapters that have a cigarette adapter input (12-24VDC) and output 19VDC @2.34 amps through a 2.5mm jack. Not AC to DC, but DC to DC! I've been storing them for a decade or more. Is there any use for one of these stil …
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WHAT TO DO WITH A DEAF/DUMB/DEAD APPLE-1 CPU SECTION

Apple Fritter about 5 months ago

Since my famous IC kits have sold out earlier this year, more and more Apple-1 builders are struggling with getting their APPLE-1 up and running. This post is meant to show a method to at least get a clue where the cuprit is which causes the Apple-1 not to …

acorn atom and acorn system series • Help needed with Atom DOS NMI Handler

Stardot about 5 months ago

I am trying to understand the NMI handler used within Atom DOS. I am very happy with how the code works within the handler except for one instruction. Just before the RTI, there is an additional PLA (i.e. not matched with a previous PHA). The comment, tak …

Atari ST / STe • Lets make some new MIDI Hardware

MISTerFPGA about 6 months ago

Greetings list!very excited about this, i dreamt of doing this years ago when i read about FPGAs being able to replicate old hardware and here now it is.So my interest is mostly music focused and ive been pouring over the possibilities of a bit more capab …

FS: MVS Carts, Ninja Master’s, Windjammers, Garou MotW…

Neo Geo Forums about 6 months ago

Helping a friend get rid of his remaining MVS carts. I’ve cleaned and tested all of them. Payment is either Venmo or money order. Prices don’t include shipping. Shipping via Priority mail will be actual cost. Open to package deals if someone wants …

FS: MVS Carts, Ninja Master’s, Windjammers, Blazing Star…

Neo Geo Forums about 6 months ago

Helping a friend get rid of his remaining MVS carts. I’ve cleaned and tested all of them. Payment is either Venmo or money order. Prices don’t include shipping. Shipping via Priority mail will be actual cost. Open to package deals if someone wants …

IBM Personal Page Printer II 4216

VCFed about 6 months ago

I picked this up last weekend at MECO and have been letting it dehumidify the last few days. Plugged it in and I get power, I get lights, I get motors and it comes up to a blinking READY with no errors on the display. Came with a stack of test prints as we …

programming • ARM instruction timings

Stardot about 6 months ago

Came across the following line of text "ADD R1,R1,R1,LSL#1; R1 = R1 + (R1 << 1). Shifting a number left one place multiplies it by two, so this instruction multiplies R1 by three, thus avoiding a MUL instruction."Are MUL instructions bad? I hadn't …

New Z80 CMOS NMOS Tester

VCFed about 6 months ago

Created a new Z80 tester PCB to sort through my stack of China sourced remarked chips. Unlike a simple NOP tester, this one loads code from an EPROM, can test at multiple frequencies, and distinguishes between CMOS and NMOS versions of the chip. …
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THIS WEEK IN PINBALL – 11/13/23: TWIP Joins Kineticist!

This Week in Pinball about 6 months ago

This Week in Pinball Joins Kineticist Hi. Colin here for a special edition of This Week in Pinball.  The TLDR of it is this: TWIP is joining Kineticist. Read on for a personal story and a brief Q&A about what comes ne …
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General • Buddy 64 Memory Map

Lemon64 about 6 months ago

Hi there, I was looking at the manual for Buddy 64/128 by Chris Miller 1990. I have two questions, first, what are things to look for when trying to determine to location where a program resided in the C64 memory. Chris gives a little more information at …