azya @OneBitOnePixel

Researching vintage LCD Games. Creating games and stuff for retro devices. https://t.co/XgJBjzMwxU github.com/azya52 Joined September 2023

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azya @OneBitOnePixel

2 weeks ago

@PxlDvl @Cooleach Кто вообще захочет играть в новый супер марио на двух экранах.

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さく(ゴ〇太) @jo2tmc

2 weeks ago

UC-2000の2KB内のメモリーで動く独自のBASICを作ってグラフィック表示試してみた。 #UC2000 #SEIKO #Python

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azya @OneBitOnePixel

2 weeks ago

@jo2tmc It's great that someone else is developing for this watch, too! By the way, I also got into more or less serious assembly programming because of this watch.

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I'm currently working on an Epson RC-20 emulator. The watch has two processors: a 4-bit one and an 8-bit Z84. I'll only emulate the Z84 program execution mode, as I won't decap the 4bit MCU of these rare watches to dump mask ROM. The video shows a Chrome T-Rex demake I once wrote

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azya @OneBitOnePixel

a month ago

@Ajandemore61290 This watch is unique in that it can run programs loaded onto it, which is what initially piqued my interest. There are a few other models I'm interested in, like the Casio VDB-1000 and Seiko RC-1000, but I don't think I'll ever get my hands on one to reverse engineer.

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azya @OneBitOnePixel

a month ago

@earith32 Now I understand what you mean. I've seen a few such projects, but I don't think I've seen anything systematic.

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azya @OneBitOnePixel

a month ago

@earith32 Do you mean something like this? madrigaldesign.it/sim/

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azya @OneBitOnePixel

a month ago

@swartz_de Thanks! Though it's a bit neglected :)

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azya @OneBitOnePixel

a month ago

@PxlDvl Недавно на авито такая попадалась. Сначала даже подумал, что какая-то оригинальная консоль.

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azya @OneBitOnePixel

2 months ago

@wowjinxy @OKDecc Maybe someday it will fall into my hands.

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azya @OneBitOnePixel

2 months ago

D-Power Digivice EU 1.01 has finally been dumped and emulated. Many thanks to @OKDecc for sending me the device to dump. He actually sent me two of them, because my first etching attempt wasn't successful.

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azya @OneBitOnePixel

2 months ago

@kindeiv @OKDecc Unfortunately, there is no chance. The microcontrollers used in such devices almost always have mask ROM, with the firmware permanently fixed during fabrication.

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azya @OneBitOnePixel

2 months ago

@Ajandemore61290 @OKDecc Hi, please check DM.

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azya @OneBitOnePixel

2 months ago

@01omlet @OKDecc There is a project like this: k0as7.itch.io/digivice-emula…. It's not an emulator, but a 1:1 reimplementation written from scratch.

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azya @OneBitOnePixel

2 months ago

@AuzzyStralien @OKDecc Unfortunately, these devices use a microcontroller with no available documentation.

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azya @OneBitOnePixel

2 months ago

@KyloNek0 @OKDecc The emulator is available here - github.com/azya52/BrickEm…, and I'll send you the details via DM.

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azya @OneBitOnePixel

2 months ago

@ElMadre6 @OKDecc Hi, I replied via DM

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azya @OneBitOnePixel

2 months ago

@ElMadre6 Hi, I replied via DM.

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azya @OneBitOnePixel

2 months ago

Tamagotchi Mini 2017 has now been dumped and emulated. Most likely, the dump contains errors, so in the future I will try to dump another copy to verify this.

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azya @OneBitOnePixel

2 months ago

@TaniaUwUdeOwO @OKDecc This is unlikely. Even if the compound can be removed non-destructively, most ROMs still require additional chemical etching to access the bits.