JFF

KO | EN

gitlite — search

#react #ai #typescript #llm #go #golang #machine-learning #linux #nodejs #windows #awesome #cli #awesome-list #pytorch

(★ 65)

JFF Computer

파일 탐색기

최종 버전 다운로드 (.zip)

- jff_mainboard-1.1b-ibom.html
- jff_mainboard-1.1b-schematic.pdf
- jff_mainboard-1.1c-schematic.pdf
- jff_mainboard-1.1b.gerbers.zip
- jff_mainboard-1.1c.gerbers.zip
- jff_hdmi_adapter_gerber.zip
- jff_hdmi_adapter_ibom.html
- README.md
- - jff-Keyboard.pdf
  - jff_keyboard_rev_10_ibom.html
- - jff_keyboard_rev_10_gerber.zip
- - Jff-Keyboard.zip
- README.md
- jff_mainboard-1.1b.zip
- jff_mainboard-1.1c.zip
- - jff_mainboard_01.jpg
  - jff_mainboard_02.jpg
  - jff_mainboard_03.jpg
  - jff_mainboard_04.jpg
  - jff_mainboard_05.jpg
  - jff_mainboard_06.jpg
  - jff_mainboard_07.jpg
  - jff_mainboard_08.jpg
  - jff_mainboard_09.jpg
  - jff_mainboard_10.jpg
  - jff_mainboard_11.jpg
  - jff_mainboard_12.jpg
  - jff_mainboard_13.jpg
- jff_full_keyboard_01.jpg
- jff_keyboard_03s.jpg
- jff_keyboard_04.jpg
- jff_keyboard_05.jpg
- jff_mainboard_render.png
- jff_r_1_1_01.jpg
- jff_r_1_1_01_s.jpg
- jff_r_1_1_02.jpg
- jff_r_1_1_03.jpg
- jff_r_1_1_04.jpg
- jff_rev_1_0_01.jpg
- jff_rev_1_0_02.jpg
.gitattributes
LICENSE
README.md

// repository documentation

Was this content helpful?

★ 0 (0 ratings)

# JFF Computer
## Just for Fun MSX 1 compatible computer.

This project was created Just for Fun.
The goal was to build as simple as possible but fully functional MSX 1 compatible computer.

## Specification:
* Processor: Z80 CPU
* Memory: 64KB in SLOT3
* Video: TMS9918A - NTSC 60Hz - Composite video output 
* Audio: AY-3-8910 or YM2149F
* Two cartridge slots
* Two joysticks ports
* Casette port

## Compatible static RAM:
### U15 - RAM

* HM628128BLP-7 (Hitachi)
* UM621024C-70LL (UMC Corporation)
* D431000-70LL (NEC)

### U7 - Video RAM

* HM62256ALP-10 (Hitachi)
* BS62LV256PCP70 (BSI Brilliance Semiconductor)
* UT62256CPC-70L (Utron)
* HY62256ALP-10 (Hyundai)

## PPI 8255

* D8255AC-2 (NEC)
* CP82C55A-5 (INTERSIL)

## PSG

* AY-3-8910 (General Instrument)
* YM2149F (Yamaha)
* WF19054 (Winbond)
* 95101 (JFC)
* KC89C72 (File)
* T7766A (Toshiba)

## HDMI Adapter
Details about [HDMI Adapter](https://github.com/konkotgit/JFF/tree/main/hdmi_adapter "HDMI Adapter")
## Keyboard
Details about [Keyboard](https://github.com/konkotgit/JFF/tree/main/keyboard "Keyboard")
## PSU
Use a good quality 5V 2A power supply.
## Revisions 
1.1b has been built and tested.

1.1c Fixed triggers used as outputs on joystick ports.

Some ideas were taken from the projects:
* [Artemisa Computer System](https://github.com/artemisamsx "Artemisa Computer System")
* [Omega Home Computer](https://github.com/skiselev/omega "Omega Home Computer")
* [SRAM Replacement for TMS99x8 VRAM](https://retrobrewcomputers.org/n8vem-pbwiki-archive/0/35845334/48860720/33053543/SRAM%20Replacement%20for%20TMS99x8%20VRAM.pdf "SRAM Replacement for TMS99x8 VRAM") by Tom LeMense

![JFF Mainboard](https://raw.githubusercontent.com/konkotgit/JFF/main/photos/jff_r_1_1_01_s.jpg)
![JFF Keyboard](https://raw.githubusercontent.com/konkotgit/JFF/main/photos/jff_keyboard_03s.jpg)
![JFF Memtest](https://raw.githubusercontent.com/konkotgit/JFF/main/photos/jff_rev_1_0_02.jpg)

### YouTube Video - Testing revision 1.0
[![YouTube link](https://img.youtube.com/vi/9GUijLo4e2o/0.jpg)](https://www.youtube.com/watch?v=9GUijLo4e2o)

JFF

파일 탐색기

오늘의 추천 프로젝트

Was this content helpful?

Recent Feedback

JFF

파일 탐색기

오늘의 추천 프로젝트

Was this content helpful?

Recent Feedback

Download README