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New stereo audio board for fitting on AY chip - interested?Hi, I developed a small board that fits on the AY chip inside 128K ZX Spectrums: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/stereo_audio.j…
... fits on the AY chip inside 128K ZX Spectrums:
[IMG ... can be mounted in the ZX Spectrum's case.
48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... problem, compared to the 128 pins required to removed ... another speccy), a working ROM, working lower RAM ... an original Sinclair test ROM cart for the Interface ... three connected, the suspect chip was was missing its ... hooking up the Sinclair ROM cart and running the ...WANTED: Will pay good money for...I am a Sinclair collector of hardward and here is my current list of things I am looking for. I am happy to pay top dollar for any such items but i…
... and/or documentation for 8K ROM Upgrade Kit
[*]Packaging and ... [/B]
[LIST]
[*]ZX Spectrum 128+ External Keypad
[/LIST]
How do I make a ROM selector switch ?I would like to have a ROM switch for my good old Alesis HR-16 drum machine, so I can switch between 2 sets of ROMs to get different sets of sounds. …
... would like to have a ROM switch for my good old ... and then connect the CE (chip enable) lines to a toggle ... switch to select between the ROM sets.
I can assure ...zx spectrum+128k PSU problemLast time I bought zx spectrum+128k heat sink, but without PSU. What PSU can I use ? I have also spectrum 128+2 grey model with power supply. Is that…
Last time I bought zx spectrum+128k heat sink, but without PSU.
What PSU can I use ? I have also spectrum 128+2 grey model with power supply. Is that psu fine or not ?Upgrading a 16k ZX to a 48kHi First post here (usually on Amiga forums) so hello! I've got a dead 48k ZX Spectrum with a damaged motherboard and a fully working 16k ZX. The 1…
... 've got a dead 48k ZX Spectrum with a damaged motherboard ... fully working 16k ZX. The 16k board has chip holders (empty) which ...ZX 48K and TR-Dos?Is it possible that the ZX 48K can run TRD files? I mean is it possible to take a ROM that has TR-Dos inside? Micky
Is it possible that the ZX 48K can run TRD files? I mean is it possible to take a ROM that has TR-Dos inside?
MickyUltra rare Sinclair ZX Spectrum offspring for sale!Hi folks, I'm about to sell my NUON gaming system on eBay. [url]http://cgi.ebay.com/NUON-Bundle-Samsung-DVD-N504-Iron-Soldier-3-Gamepad-/23055542191…
... design the Nintendo Super FX chip. Mr. Mathieson and Mr. Brennan ... tree[/B] of the [B]ZX Spectrum, LC3, LOKI, Flare One ...Faulty Interface 1I bought a 'tested' Interface 1 on ebay the other day. Aside from the previous owner 'cleaning' the contacts with WD40!!! (bad, bad, bad eeurrgh :rol…
... also tried it on my 128 - the menu comes up, I ... can use 128 BASIC but not 48 BASIC ... fault in paging the IF1 ROM but was wondering if anyone ... it for experimentation, particularly with ZX net..... does anyone have any ...Fuse for Mac OS X 1.0.0 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project and shortly here on WoS: [url]http://sourceforge.net/proje…
... /> [*] Add support for NTSC ZX Spectrum 48K (Philip Kendall).
[*] Enable Beta 128 interface in 48K and TC2048 ... br /> [*] Correct loading Beta 128 disks from disk open dialog ... /> [*] The Allow Writes to ROM preference shouldn't affect the ...Snapshot issue between BASin and ZX SpinHi Folks, I have created a 128K snapshot file from BASin (both .sna and .z80) to load in to ZX Spin. Spin is running in ZX Spectrum 128K mode and I…
... ) to load in to ZX Spin. Spin is running ... in ZX Spectrum 128K mode and I have the 128 menu ... [LIST]
[*]Tape Loader
[*]128 BASIC
[*]Calculator
[*]48 ... Spin remains on the 128 menu i.e. what ... If I select [B]128 BASIC [/B]the source code ...yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... project. An operating system for ZX Spectrum. A unix clone. Talked ... can replace (extend) original speccy ROM. Here are my initial thoughts ... to be compiled for actual ZX Spectrum.
4. ... some simple mounting protocol enabling ZX access to 32 bit ...Fully integrated ZX+Hi, I just want to show some inspiration for integration HW to ZX+ case ;-) - ZX48 issue 3 board, without all parts regarding video generating (pa…
... inspiration for integration HW to ZX+ case ;-)
- ZX48 ... ZX48 board)
- 48 to 128 rebuild (hw.speccy.cz)
ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... only major chip that has not been replaced is the ROM. Can ...Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …
Hello there my fellow ZX'ers
I ... ave been bitten by the ZX Spectrum Bug once again.... ... IDE device unless using other ROM's?.
Now ... can tell the SM8 128 +2e rom allows me to read ... the 128 and the 128+2? these use a smaller ROM, can ...Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …
... is external memory upgrade for ZX Spectrum models with 16kB ram ... space 32768-65535 in your ZX Spectrum
+ memory upgrade to ... 90% compatible with ZX128 / Pentagon 128,512,1MB
+ switch for ... 3.5MHz as on Pentagon ZX clones)[/B]
- paging ...MISTER BEEP - new album with ZX musicHi, normally I don't like my tunes too much :) but this time I would like to proudly present to ZX universum: MISTER BEEP - "A thousand furious b…
... -bit multichannel chiptunes made on ZX Spectrum 48K (beeper).
... NINE channels from a single ZX Spectrum 48K.
ZX Spectrum 48K in 80s.
Z80 chip can ... actually generate whichever sound however ZX fans prefer ...This might be something new[img]http://www.711chan.org/test/src/130427925559.png[/img] Have a look at this screenshot of my emulator ZX82. Notice the copyright message? That's…
... open source replacement for the ZX Spectrum ROM. This is something somewhat ... as possible off the Z80 chip. What this means is that ... playing.)
Perhaps the ZX emulation scene is not really ... of the ZX Spectrum font is, but the original ROM is loaded ...Shadow ROM partial decoding not implemented in emulatorsOr at least, not implemented in Spectaculator, and it seems that not in Fuse too. [URL="http://www.speccy.org/foro/viewtopic.php?f=8&t=408&start=53"…
... portion of the main ROM, but the whole chip. So, what remains ... in the last 8192 bytes of the ROM ... hardware automatically unpages the shadow ROM. As the RET instruction ends ... 1 partially decodes the shadow ROM and therefore, the last 8192 ...Rom Cartridge - How does it work?So I've got me an IF2 and it has this ROM cartridge slot. How does it work? I read Paul Farrows site but one question remains unanswered. If I have o…
... IF2 and it has this ROM cartridge slot. How does it ... t.i. does it replace ZX ROM and consequentially prevents you from ... calling any ROM functions? If so - is it ...AY DetectionOff the top of their heads, does anyone know how Exolon detects that an AY chip is present? Reading and writing from the PSG registers seems to work…
... Exolon detects that an AY chip is present?
Reading ... 32765,128+xx to make damn sure only the 48K ROM can ...128K+2A/+3 RAM layoutDoes anybody know how physical RAM is mapped to ZX 128k+2a/+3 address space ? There are four 64Kx4 chips IC4-IC7. IC4-IC5 seems to be contended (vide…
... physical RAM is mapped to ZX 128k+2a/+3 address space ... to which part of 64K chip :confused:
Any info ... test program, can be on ROM chips.NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…
... [/img]
________________________
ZX Spectrum and compatible KEMPSTON joystick ... /> ?Colour : Red PCB
?Main Chip: Gal22v10 / Palce22v10
?Passtrough, it ... means You can connect other ZX devices.
?Built in Joysticks ...ZX Spectrum Official modelsI am trying to write a section up on my web site about the different zx spectrum models from Sinclair research and amstrad that took over the product…
... web site about the different zx spectrum models from Sinclair research ... /> ZX Spectrum +
ZX Spectrum 128
ZX Spectrum +2
ZX Spectrum +2a
ZX ...Please test your ZX128+2 (grey model)Please reset your ZX128+2 (grey) and write in 128 basic (or in USR0 mode): [B]PRINT IN 32765[/B] - if basic crash (black screen) then your ZX contai…
... +2 (grey) and write in 128 basic (or in USR0 mode ... old chip HAL10H8 with incorrect firmware (after reading port 32765 your ZX ... ]". This version can contain same chip HAL10H8 with fixed firmware (reading ...Z80 DOS Sorry this computer is too fast!I?ve tried the free Z80 Emulator v4.00 (DOS Version) downloaded from Gerton Lunters Homepage on my Intel Core2 Quad Q60 running at 2,40 GHz an it ju…
... /> ----- Snip -----
Z80 - the Sinclair ZX Spectrum Emulator - (c) 1999 G ... , used by permission.
Multiface 128 ROM code copyright Romantic Robot, licensed ...ZX games that work only in the USR0 modeExist list of ZX games that can't be loaded from 128 menu/128 editor/+3 basic ? (I need all games that need be loaded from USR 0 mode).
Exist list of ZX games that can't be loaded from 128 menu/128 editor/+3 basic ?
(I need all games that need be loaded from USR 0 mode).Zx spectrum 128Hello i from netherlands Look for a zx spectrum 128K or +2. On ebay no luck because many times i am overbid . I mean i use it as a hobby not for col…
Hello i from netherlands
Look for a zx spectrum 128K or +2.
On ebay no luck because many times i am overbid .
I mean i use it as a hobby not for collecting .PC ZX Parallel interfaceIs any working PC<->ZX interface based on LPT cable implemented ? I know that DR.Beep were posting about such solution long time ago, but I could not…
Is any working PCZX interface based on LPT cable implemented ?
I know that DR.Beep were posting about such solution long time ago, but I could not find any sw/documents.
It has to read/write with minimal ROM changes.Hires Opus Discovery picturesAs I had the rare and awesome opportunity to be able to buy 5 or 6 Opus Discovery interfaces this year, and because I couldn't find hires pics of the…
... - defective ROM
- one didn't have a 6116 ram chip, don ... br /> - two had a rom v2.2 (one even had ... it, sorry!); the lowest rom version I found was 2 ... 1, probably the default factory-rom
- I had one ... trouble, but believe me: ZX Spectrums fail a lot more ...
