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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:
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; Pilot pulse ... 2013
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; 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 ... -
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 ... -
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 ... -
No-tearing (“vsync”) Full Screen FadeSeeing as most screen fades exhibit visible tearing, I wrote my own routine which does away with that problem. Simple, effective, short, and fully re…
... for
or e ;different timings of different machines
jr ... -
ZEsarUX 6.1 BETAHi I have uploaded a new ZEsarUX BETA version 6.1. You can download it from the usual beta url: https://sourceforge.net/projects/zesarux/files/…
... /> Fixed ZX-Uno emulation: 128kb timings are the same as a ... -
I introduce myself and my emulator.Hi! My name is Marta, and I've been a Speccy user for 30+ years now. During the past year I decided to write my own emulator, just to see if I cou…
Programs with strict timing requirements.Hi, all, I am a bit stuck about the timings of my SpecIde emulator. (https://github.com/MartianGirl/SpecIde) The thing is, I think that the tim…
... a bit stuck about the timings of my SpecIde emulator. (https ... is, I think that the timings are mostly ok, but I ... in order to check my timings? (Specially interested if they are ...ZEsarUX-7.0Hi! I have uploaded a new ZEsarUX stable version :) This is ZEsarUX 7.0 There are a lot of new features added, more than ever! You can downl…
... ZX-Uno emulation:
* 128kb timings are the same as a ...Fuse 1.5.4 releasedA new release of Fuse, the Free Unix Spectrum Emulator, is now available at the SourceForge project: https://sourceforge.net/projects/fuse-emulato…
... to fix TC2048 and TC2068 timings regression
[*] Various minor bugfixes ...Fuse for macOS 1.5.4 ReleasedA new version of Fuse for macOS has been released at the dedicated sourceforge project: https://sourceforge.net/projects/fuse-for-macosx/ Note …
... ).
[*] Fix TC2048 and TC2068 timings regression (Sergio Baldoví).
[/list ...Fuse/SPIN vs Spectaculator border timingsHello, I'm trying to figure out at which moments the 48K ULA samples the current border color into its internal latch. To do that I wrote a small …
Hello,
I'm trying to figure out at which moments the 48K ULA samples the current border color into its internal latch. To do that I wrote a small test that draws a few lines on the top border at specific CPU ticks and gave it a try on Fuse ( ...
