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Difference between brands of 4164 chips?I have gotten my hands on a batch of several brands of 4164 chips. Examples are NEC D4164C-3 and Mitsubishi M5K4164ANP-15. Anyone knows if any type …
I have gotten my hands on a batch of several brands of 4164 chips.
Examples are NEC D4164C-3 and Mitsubishi M5K4164ANP-15.
Anyone knows if any type is preferred above the other? -
Spectrum 128k +2 grey RAMhi all, the manual say that ram ic's should be KM4164B-15P but when i open my spectrum (not repaired by anyone) the ram chips was KM4164B-12 is thi…
... chips IC 6-13
Nec 8219K8021
D416C
Nec 8219K8021)
thanks -
The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…
... there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS ... -
Strange and faulty toastrackI just got hold of a toastrack, which is kind of strange. First of all, when I opened it, I spotted a socketed ULA and ROM, which is good, however, t…
... , the ROM appears to a NEC D27256D, so one with a ... -
Bomberman and other Hudson Soft games on the SpectrumAs I suspected, the games, or at least, I found a comment which confirms it, were ported from the MSX to the Spectrum. The MSX was very popular in Ja…
... the MSX (v=qs5JWLORfoY) and NEC PC-8801 computers in Japan ... -
External drive at lastWell I waited for the post to drop me off a External ZX Spectrum+3 floppy drive cable from Europe and it came with no problems, got no flopy drive Hm…
ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... ZX Spectrum 48K with unmodified NEC rom: OK (DivIDE with ESXDOS ...Spectranet questionsI have received the wonderful Spectranet interface from RWAP today. I have started to experiment with it and I have found an interesting thing... So…
... background: I have replaced the NEC D780C-1 CPU of my ... " the contacts of the original NEC CPU and put it back ...ROM tape trap emulator testA very simple set of [URL="http://homepage.ntlworld.com/e.tinney/tapetest.tap"]tests[/URL] comparing IX/DE/AF return values for various incorrect blo…
... those returned on a real (NEC) machine for the same tape ...Interview with Zilog FoundersIt's almost eight years old now so maybe this has done the rounds once already, but in case you missed it: [url]http://archive.computerhistory.org/r…
... 2006, not including z80s that NEC and the Chinese are and ...ZX Spectrum+ DivMMC EnJOY! Grundig 16" LCD TV and books.The Spectrum is in very good condition. Composite video mod. New mambrane (bought in November 2014 from rwap_software [url]http://www.sellmyretro.co…
... Edition" by Clive Prigmore. BBC NEC 1984. Hard cover.
- "ZX ...Fully refurbished ZX Spectrum 48K boards incl. ULA- Including ULA (version that [URL="http://www.bytedelight.com/?p=41"]corresponds to the board issue[/URL] - click to find out more about ULA version…
What influence the number of stripes during initialization?Hi for All! After some adventures, with other rare old computers I'm back here to my favourite forum. :) Recently I got some ISSUE 2 boards from Ben…
... wrong. Both boards have NEC CPU, first has NEC, the second Hitachi ... . The RAM chips are different: NEC and ITT 4116 chips were ...48K Issue 3B ROM to EPROM methodsHi folks, While fixing up a completely dead Commodore PET I needed a way of testing the 4116 RAM chips that make up its 32K, some googling found a…
... resistor method using the Hitachi/NEC jumper locations to neatly feed ...Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... (Hitachi branded, the original was NEC). I've also had a ...Disabling the ROM without removing the whole thingHi! I've got my hands on a non-working issue 6a. I suspect the ROM may be bad, but other things may be faulty as well. I've read that in an otherwis…
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But the ROM (a NEC type) is soldered on, and ...Super Mario Bros. Special, NEC PC-88 Port?Has anyone considered a possible reverse engineered port of Super Mario Bros. Special by Hudson Soft? On the surface it doesn't appear as though i…
Has anyone considered a possible reverse engineered port of Super Mario Bros. Special by Hudson Soft?
On the surface it doesn't appear as though it would be completely beyond the ZX Spectrum to run it.
https://www.youtube.com/ ...divIDE interface not workingA while ago I bought a divIDE interface for my two spectrums (one is a 48k rubber keyboard one, the other is a 48k Spectrum plus). Sadly I never actu…
... noticed that apparently spectrums with NEC ROMs have issues with the ... my Spectrums sadly have a NEC ROM. So I followed this ... /> http://benophetinternet.nl/hobby/vanmezelf/NEC%20ROM%20fix%20for%20the%20DivIDE ...Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... new lower ram IC's(NEC D416C-2). Tested again on ...30 Hour Basic (NEC)This is about a Basic course in 2 parts which were sold separately (one of which was not absolutely essential) . The Book was the essential bit. …
This is about a Basic course in 2 parts which were sold separately (one of which was not absolutely essential) . The Book was the essential bit.
I have had the book "30 Hour Basic" for years (the essential bit) but did not know about the ...What other 'retrotech' are you into, what hardware do you own?I suppose talking about machines, hardware & software other than Sinclair is off-topic, but my retro collection was kick-started at WoS! I had heard…
32-bit handheld console GP32 / Spectrum emulatorFor your information Download Spectrum Emulator for GP32 [url="http://info2.info.tampere.fi/~teoarsa/ZardozJOnes/GPSPECCYV005.ZIP"]http://info2.info…
... (or are we talking another NEC PC Engine GT / TurboExpress here ...32-bit handheld console GP32 / Spectrum emulatorFor your information Download Spectrum Emulator for GP32 [url="http://info2.info.tampere.fi/~teoarsa/ZardozJOnes/GPSPECCYV005.ZIP"]http://info2.info…
... (or are we talking another NEC PC Engine GT / TurboExpress here ...Ok, what specs do people run SPIN on?Hi all, Assuming that you do use ZX Spin, we'd like to get an idea of what kind of machines it's being run on, so we can get an idea of which pro…
I run an AMD Thunderbird 1.4GHz system with 512Mb DDR RAM, a ASUS Ti4600 GeForce 4 128mb video card, Creative Labs Soundblaster Audigy Platinum, a NEC FP1350X 21 inch monitor, etc.....
Runs fine for me!Favourite latest generation consolesDisregarding previous consoles, out of today's big three, which console do you prefer? Gamecube? PS2? or Microsoft Halo-player? I'm wildly predi…
ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
... Zilog Z80s and some have NEC/SCS Z80s.
Jon ...
