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F4 port board for MSX2+
Score: 417.83 %,
Type: Forum topic , Comments: 11 comments
and form factor as Z80 chip, so technically it can be soldered on top of the processor. Not very ... of the board plug the Z80 there. At the bottom plug a pin header and then it sits on the middle of the way between the system and the Z80 chip.
A lot of Amiga expansion devices would connect to the computer ...
F4/FMPAC Light Combo Board project
Score: 423.52 %,
Type: Forum topic , Comments: 190 comments
by Caro onto one board. The board will have to be installed instead of Z80 CPU and the CPU will be mounted ... of prototype's testing
Indeed it's a very good Indeed it's a very good idea!.
As the Z80 ... the Z80 goes in socket, add a turbo clock circuitry and you'll have the final internal expansion ...
RAM tester for Moonsound/Wozblaster
Score: 111.07 %,
Type: Forum topic , Comments: 61 comments
and that doesn't work well...
At Z80 speed it detects 1024kB RAM and all tests pass like in openMSX.
ORIGINAL ... should be able to detect 2MB. I can share the source code in Z80 Assembler if someone wants to take ... "chgcpu" correctly. I did it without a parameter. For Z80 it is "chgcpu 0". The test works ...
For sale: Yamaha MSX2 YIS503IIIR + optional hardware upgrade
Score: 104.24 %,
Type: Forum topic , Comments: 16 comments
can return everything to its original state. The original 128kb RAM module will be included. And Z80 ...
Datasheet for YM2148
Score: 110.03 %,
Type: Forum topic , Comments: 5 comments
to the Z80 data bus;
- Set the trigger on /M1 and /IORQ both zero
- Run the SFG05 ROM and observe ...
8bits4ever has officially started selling the Carnivore2 cartridges
Score: 134.72 %,
Type: News post , Comments: 36 comments
Today we have a major release for Carnivore2:
Added Z80/R800 mode toggle for Turbo-R machines ...
Added indication of Z80/Turbo/R800 mode to the status screen
The CF card's clock speed is now ...
Small board for diagnostics or game cartridge
Score: 107.07 %,
Type: Forum topic , Comments: 20 comments
board's components (z80, MSX Engine, VDP, PPI, RTC, etc)
Because during a diagnostics the video ...
It's time to create a proper diagnostics software for MSX
Score: 116.71 %,
Type: Forum topic , Comments: 16 comments
and Hotbit 1.x have a jumper to enable /BUSRQ. This signal also disable the Z80 buffers, so you can plug an external Z80 onto the slot...
Sure, something like that Sure, something like that would be nice, ...
So Video ram next ? The msx (1) can operate perfecly without video.
What next Z80 or user ram ...
Yamaha MSX2 upgrade
Score: 113.9 %,
Type: Forum topic , Comments: 15 comments
the original Z80 CPU was carefully desoldered and put on top https://github.com/RBSC/F4-FMPAC
- ...
Платка расширения ОЗУ на 2 или 4 мегабайта с маппером
Score: 132.79 %,
Type: Forum topic , Comments: 8 comments
удастся. Там же пины нужны, чтобы в процессорную панельку на плате втыкать. А Z80 в корпусе PQFP потребует ... плата подошла бы для 805й Ямахи. Плату ОЗУ можно поставить поверх перенесённого вбок Z80 -там места ... панельку Z80:
https://hansotten.file-hunter.com/do-it-yourself/memory-mapp...
Тема на ...
