-
lower ram "new" replacement board.[url]http://www.ebay.co.uk/itm/230994088030[/url] I'm sure others have seen it .. but is it "like for like" compared to the original. .with regard …
[url]http://www.ebay.co.uk/itm/230994088030[/url]
I'm sure others have seen it .. but is it "like for like" compared to the original. .with regard timings etc ? -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... did the pair to compare timings, and also because it's ... -
Upper RAM replacement module issues with the DivideI got my new upper ram replacement module from Zorn yesterday and seem to be having some issues. When the machine is without the Divide it boots up …
... upper RAM and uses unusual timings that the replacement can't ... -
Any HAM8x1 images to share?McLeod_IdeaFix's plug-in ULAplus supports the full ULAplus spec including Timex screens. SpecEmu emulates a machine with 48K timing, ULAplus, and Tim…
... , and Timex video modes (select TC2048 ). Claus Jahn's Image2ULAplus converter ... -
Abnormal Load on the M4Saw this today, got in front of it just before it hit the road, I got to Wales and did stuff and got back, and saw it trundling along causing a huge …
... on uphill stretches.
Timings can not be guaranteedbut the ... -
Turbo save?I'm doing some experiments with turbo loaders, and I don't know how to save turbo blocks on virtual tapes. Spectaculator and fuse don't seem to save…
... save data at fixed speeds/timings or they recognize only some ... -
PC to +3 communicationsHi I'm going to explore the abilities of my +3 to communicate with a PC. The "natural" ways to do that would be via serial or parallel link. I've b…
... UART to handle serial communication (timings, grouping bits into a byte ... -
Goldeneye X has been updated!Goldeneye X, the project to bring the gameplay from Goldeneye to the Perfect Dark engine, has been updated to version 0.5c. If you've never heard of …
... 's true eye-height, weapon timings, a Santa-Claus skin (the ... -
Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…
... to discover the timings. Normal loading speed ... 2014
; ------------------
; Standard timings:
; ------------------
; Pilot pulse ... 2013
; ------------------
; Standard timings:
; ------------------
; Pilot pulse ... -
cause of 1 tstate differencethe sinclair faq, located at: [url]http://www.worldofspectrum.org/faq/reference/48kreference.htm[/url] says: "NB: Investigations in May 2004 have rev…
... have revealed that the machine timings vary, even between machines with ... ULA. Some machines use the timings given in this FAQ, while ... T state later for all timings. The reason for this is ... -
taptools updatedI've updated my taptools (programs for constructing and manipulating .TAP files). This has been quite a major update, with some programs completely r…
... files written at standard Spectrum timings.
The new release ... -
JHCon 2014Hello, not sure if this is the right category but JHCon 2014 will take place[B] from 28. to 30.11.[/B] at usual place - gymnasium in Jindrichuv Hrad…
... use special graphics modes of TC2048/2068 PAL ULA
--- add ... -
Tinkering with DMASo, some afternoon tinkering... [img]http://photo.alioth.net/tmp/dma_small.jpg[/img] The purpose of this all is to see what's possible using the Xi…
... speed. Using the same memory timings as the Z80 chip itself ... using the same memory write timings, this is reduced to 6 ... /> A DMA using Z80 memory timings would take 6 T-states ... -
ZX Spectrum 48 late model - inconsistent timingsI found very strange thing with INT length on different emulators. Just try to select Spectrum 48 late model and try to run the test minfo written by…
I found very strange thing with INT length on different emulators.
Just try to select Spectrum 48 late model and try to run the test minfo written by Jan Bobrowski: [url]http://zx-pk.ru/attachment.php?attachmentid=41098&d=1366516383[/url]
< ... -
New tool: tap2turboI've been experimenting with turbo loaders, mainly following the lead of Alessandro Grussu, and using Tapir for setting up the turbo blocks is very i…
... we want to use Alessandro timings for Biturbo 1 in blocks ... -
[NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…
... /> Emulation of the contended memory timings.
Pixel to pixel accuracy ... -
Ninjaman 8-way scrolling 50Hz multicolour demo :-)Here's a demo I've been working on for a while. The goal was to make the best scrolling routine possible on a humble 48K ZX Spectrum. I was origin…
... , it's just that the timings need to be tweaked for ... -
New version emulator ZEsarUX-4.0Hi I have uploaded a new version of my emulator ZEsarUX 4.0. You can download it from the project web page: http://sourceforge.net/projects/…
...
Added ULA early/late timings setting
Changed .ZX snapshot ... 512x192
Fixed contended memory timings on Spectrum 128k and +2A ... -
Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... " than RND. The '500' timings for the Ritman and Baker ... The 'tint' variable indicates whether timings are to be calculated as ... test result.
As timings can be significantly effected by ... be merged into programs and timings tested in situ with ... -
Timex Computer 2048 restoration projectHi All, I would like to share with you my restoration project of a broken TC2048. Make the story shorty it was my first computer in late eighties …
... /> [img]http://fotogalleria.info/pub/TC2048/TC2048_outside.jpg[/img]
Generally ... /> [img]http://fotogalleria.info/pub/TC2048/TC2048_01.jpg[/img]
[img]http://fotogalleria.info/pub/TC2048/TC2048_RAM_broken_traces_01.png[/img]
Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …
... may have to adjust my timings otherwise, to cater for a ...New ZEsarUX beta - RC2Hi I have uploaded a new ZEsarUX beta version on the usual url https://sourceforge.net/projects/zesarux/files/Beta_and_Snapshot_versions/ This…
... paging port
Fixed setting timings changing from Pentagon to non ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... to mess with screen update timings
Menu selection info (LASTM ...New ZEsarUX 5.0Hi! ZEsarUX 5.0 is out! :) You can download it from the URL: https://sourceforge.net/projects/zesarux/ Finally I have succeded emulating Si…
... paging port
Fixed setting timings changing from Pentagon to non ...Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…
I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on different emulators. I hope that there are interested owners of real 128/gray +2 and black +2A/+3, who will ...Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…
... /55518/test-of-screen-switching-timings"]this test[/url] on your ...
