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20KWell here it is the 20000th post, a monumental event indeed, even if 18000 of them are complete drivel :D Should I be proud? Or should I be ashamed…
... , Baron Ashler, LCD, Spud, Timmy, AY Chip, obo, Neil Parsons, Paul ... years. If I missed anybody out I really am sorry, but ... -
7 years out of date, and still on the shelf in the corner shopIt's not a very good corner shop, I gave up telling him that his 2005 Isle of Man TT magazine was out of date in around 2008. Seven years later, he'…
... of Man TT magazine was out of date in around 2008 ... -
Experiments mixing ULA+ and Timex Hicolour featuresI'm trying to improve my Verilog skills, so I've written a description of a complete ZX Spectrum 128K (+2 grey ROMs), with AY-3-8912. I wanted to add…
... 128K (+2 grey ROMs), with AY-3-8912. I wanted to ... a XC3S1000 FPGA. No double port RAM has been used to ... -
AY download filesThe Eliminator AY file listed for the Alternative Software version is incorrect as that game has zlich sound at all. It should be listed on the Hews…
The Eliminator AY file listed for the Alternative ... Hewson version.
The AY file for Mountain Bike Racer ... a tight squeeze here - the AY file for Pro Tennis Simulator ... -
Improving audio?In working on fixing and updating the hardware in my ZX Spectrum 48k, there is one nagging issue. My issue 2 board has crappy sound through the beepe…
... I just want to throw out the question here, what can ... a way to build an AY interface into the spectrum 48k ... -
I/O port adress map of Spectrum and interfacesI'm looking for an adress map of all the used and unused I/O ports for the ZX-Spectrum. Many years ago I designed an I/O board for the Spectrum that…
... combine them.
The port adresses that my card uses ... -
ay magic ressurection and upgradeI think made new version of my AY magic interface, today i redraw PCB and do some changes: Added socket for ay 3-8912 so for now AY magic can operate…
... made new version of my AY magic interface, today i redraw ... changes:
Added socket for ay 3-8912 so for now ... AY magic can operate with ay 3-8910 or ... -
Spectaculator: Com port bug?I just bought Spectaculator yesterday but probably erred as the one feature it has that no other emulator has is the ability to use COM ports with an…
... everything else see my COM port Spectaculator doesn't show me ... X64 Win7, with USB serial port on COM 8) -
FBZX Wii ReleasedJust tried this out on my Wii and it seems pretty good. 128K AY sound not very good but the emulator is highly configurable. Not bad for a first rele…
Just tried this out on my Wii and it seems pretty good. 128K AY sound not very good but the emulator is highly configurable. Not bad for a first release.
[url]http://wiibrew.org/wiki/FBZX_Wii#Reporting_issues[/url] -
Tape emulation on expansion portHello! Maybe one some one knows how tape emulation is done (in general) from devices connected on the expansion port? Like how divIDE loads tap fil…
Hello!
Maybe one some one knows how tape emulation is done (in general) from devices connected on the expansion port?
Like how divIDE loads tap files using usual load basic command?
velesoft knows for sure :) -
Another Roger Jowett oneHello guys, I want print here the conversation with Roger Jowett. He is spamming all e-mails he can get hold of. Especially for the Spectrum30 show…
... /> uninstall the onboard 115200bps serial port using tyhe bios and gone ... a hi speed 921600bps serial port in a
pci slot ... find that neither the serial port manufacturer or the
modem ... want to pull your fingers out your rs wholes
What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... i just get 'B Intger out of range' error.
port 2.
in a,(c ...ULAPlus: showing different screen modes in one screenI wanted to write a demo showing the same screen, converted to various screen modes available on the Spectrum (well, a Spectrum clone capable of show…
... have to perform a OUT to port 254 to force the emulator ... setting it with the corresponding OUT and the border colour uses ...Robocop 3 and Spectrum 128K toast-rackHi all, we are going on with the tests on the new 128K emulator for the V6Z80p board, and we have found something odd: Robocop 3 (designed for the 12…
... for the 128K) apparently does port accesses creating IR contention (as ... that an Ocean game came out working like that...
AY-3-8912 emulationI am trying to improve the emulation of the AY-3-8912 in FBZX wii. I studied the code of some emulators and read some documents. I would like to be…
...
1) The frequency of AY-3-8912 is half the ... is 1/(256*envelop_period) of AY-3-8912 frequency
... is 1/(16*tone_period) of AY-3-8912 frequency
... is 1/(16*noise_period) of AY-3-8912 frequency
... Other information are in the AY-3-8912 manual (30- ...DIY AY for 48k schematicHello! I can't seem to find a diy schematic for attaching AY to 48k so it gets 128k compatible sound. I see offers to sell ready made devices, but n…
... a diy schematic for attaching AY to 48k so it gets ...ZX 128k +2 Bad deal - BrokenI recently traded a C64 for a ZX Spectrum 128k +2 (grey model). I sent a fully working C64, with doubles of the tapes I had. I recieved a shabby and …
... push that into the RGB port which seems as if it ... I have my work cut out for me. I traded with ...7805 on PlusD needed?I am planning a batch of PlusD interfaces. As I do not have a board design file (for e.g. Eagle), I am redesiging the PlusD schematic in Eagle myself…
... /> Also I'm leaving out the parallel port, that saves one chip ...AY playerdon't know if somebody needs it, but... a took old AYLET and changed it to zx80ex/libz80./zymosis. [url=http://repo.or.cz/w/k8aylet.git]here[/url] is…
... /Linux.
if anyone port it to windoze... i'll ...Oooyaah! This came from nowhere......There's a new console in the works, and it's already massively popular, despite not existing... [url]http://www.kickstarter.com/projects/ouya/ouya-a…
... .0, a USB 2.0 port and an SD card slot ... only about 5,000 units (out of 10,000) (update: that ... , so feel free to check out our in-depth chat about ...Low level microdrive programmingSo I'm on my lunch break trying to find out about low level microdrive programming (without using IF1 ROM). I see one can use port 0xe7 to read and w…
... lunch break trying to find out about low level microdrive programming ... ). I see one can use port 0xe7 to read and write ... signal bits available from/to port 0xef:
- GAP,
- SYNC ...X-OUT - universal TAP versionHere is TAP version of X-OUT with universal loader. Basic loader automatically set USR 0 mode, detect ZX48 or 128kB and load game. TAP is loadable on…
... is TAP version of X-OUT with universal loader. Basic loader ...AY and playing musicHi I have been starting to do some democoding but completely have no clue on music playing / AY programming. Any hints/tips? I have tried some of th…
... no clue on music playing / AY programming. Any hints/tips? I ...Moar TR-DOS to tape conversions!I have posted three lame disk-to-tape conversions through snapshotting before, now (I guess) it's time to bring the rest of my complete collection he…
... Mr. LTD[/URL][/B] - The port of Namco's infamous Battle ... Scorpion Soft[/URL][/B] - Another port of Battle City, but sadly ... ... 128K mode includes tons of AY music, 48K mode is yet ... ][/B] - A hard-to-master port of Nintendo's hit game ...Interview with Steve Wetherill (Odin)Hi you all!!! Here is the interview done to STEVE WETHERILL (Nodes of Yesod, Robin of The Wood, Arc of Yesod, Heartland... ?Odin!) and published at […
... I tried to figure out the technical tricks needed ... demise, but nothing fruitful came out of that, unfortunately.
... and used to hang out around Loxley woods as ... the CPC and so the port was canceled.
out, we saw an opportunity ...Currah microspeech schematics?Has anyone got details on the currah microspeech? I've found the ROM online and the manual is available but that seems to be about all. What I'm afte…
... is switched in and out, and what port is used to write ... sacrifice to try and work out the schematic. I've also ...Successfully updated Issue 2 48k to 128k?Thanks to the donation by PMSR and through the very patient teachings of Velesoft, I have updated the Issue 2 to work with 128k. However. I have yet …
... to add an AY chip to provide sound out.
I ... this due to lack of AY chip, or is there anything ...Very weird +2 problem.After two days, I'm still fighting this grey +2. Symptoms: When I first got it, there were stray pixels on the screen, and stray lines and colours. …
... game stopped with a 4 Out of Memory.
Just ran ... />
CPU
ULA
AY-3-8912
IC10
ZX Spectrum Light Gun - PROGRAMMINGAmongst some items I recently acquired was some information on the Spectrum Light Gun. Amongst this is a bit of hand-written paper which gives the i…
... ,7 to select control port
OUT 49149,63 - CLEAR bit (other ... sound)
OUT 65533,14 to pick I/O port
IN ... 49149 gives port reading
port)
