-
contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …
... /> Oh I still think the +2A model is the 'correct' one ... less than perfect timing if run on the +2A model. However ... it ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... /+2 as opposed to the +2A (no I/O contention). But ... joystick/keyboard read during the timing critical stuff. -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... it in a +2A model caused the timing of the Slalom event ... -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... it in a +2A model caused the timing of the Slalom event ... 48K[/i] work on the +2A and +3. -
Distinguishing between models?I'm running the risk of being pointed to the faq here, so sorry in advance. Something I'm trying out requires that the program can distinguish betwe…
... (slow = ZX128/+2, fast = ZX+2A/+3)[/quote]
At ... 0x7ffd" rather than run any timing tests. -
Precisely timed loops in assemblyI'm looking for a way to make my code stop until the raster has reached the lower screen border (right after having drawn the last pixel line). I und…
... [/B] has linked, timing varies between 48K, 128K, +2A (and Pentagon) machines ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... regard that as an "early timing" machine. I guess the test ... various emulators with early/late timing settings and see what they ... actually two timings for the +2A/+3 so emulators having this ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... of Spectaculator defaults to 'late timing' - which is more common?[/QUOTE ... actually two timings for the +2A/+3 so emulators having this ... Spectaculator defaults to "late timing" even for +2A/+3, then it defaults ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... Spectaculator defaults to "late timing" even for +2A/+3, then it defaults ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... II against SpecEmu's +2A emulation with correct timing. I think SpecEmu ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... the border in the Spectrum +2A/+3 only, but ignores ... following meaning in a Spectrum +2A/+3 machine:
[LIST]< ... there are no "early timing" and "late timing" Spectrum +3, but only ... possibility that emulators have correct timing for memory contention but ... -
NEW Jonathan Cauldwell release MORE TEA VICAR? - 30th ANNIVERSARY GAMEThe long awaited Jonathan Cauldwell game MORE TEA VICAR? cassette version is released today, on the 30th birthday of the Speccy. Available from the …
As an interim fix:
MERGE""
...add POKE 32919,20 before the RANDOMIZE USR 24000
RUN
and it will be fine on a 128/+2.
In fact, it should be fine on a +2A/+3 as well, unless the timing is really tight? -
Kralizec, a MSX development group, publishes "MajiKazo" for ZX Spectrum[youtube]wJI30FyT7Qw[/youtube] It's a port from a MSX game called [URL="http://www.generation-msx.nl/msxdb/softwareinfo/3449"]MajiKazo[/URL] release…
... .
Since +3 and +2A models don't have the ... compatible with all models, carefully timing all the ingame routines so ... -
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…
... +2A-B ??[/QUOTE]
The different contention just means that timing ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... ?n;661132]In my real +2A it looks like the first ... my emulator (ZXMAK2) uses correct +2A/+3 ULA timing :) -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
[QUOTE=zx81;661397]JSpeccy 0.92 shows exactly this (full border size):
[/QUOTE]
Hm, I tested it on +3 mode. Are you sure that +2A has different timing than +3? -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
[QUOTE=ZXMAK;661400]Hm, are you sure that +2A has different timing than +3?[/QUOTE]
No, the +2A/+3 and +2B use the same ASIC. They are identical. -
Spectranet and toastrack issueI've been using my spectranet with no problems on my standard 48k but just started using it on the toastrack and am having an issue. That being that…
... 't go away with some timing improvements I made to the ... with the Amstrad +3 and +2A. (Indeed, much development was done ... -
Spectranet and toastrack issueI've been using my spectranet with no problems on my standard 48k but just started using it on the toastrack and am having an issue. That being that…
... 't go away with some timing improvements I made to the ... with the Amstrad +3 and +2A. (Indeed, much development was done ... -
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... slow/fast ram pages layout (+2A/ZX128 layout).
- as ... ok).
- use same timing as original ZX128 :-)
The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... slow/fast ram pages layout (+2A/ZX128 layout).
[/QUOTE]
[QUOTE=velesoft]
- use same timing as original ZX128 :-)[/QUOTE]
[Update] Lone Wolf - The Mirror of Death - AudiogenicHi folks, I know we already have a TZX of this, but I can't help feeling that it needs it's blocks deconstructed into Pilot/Sync/Date blocks/pulses …
... blocks) in 128k mode. In +2a mode, load without problems.
timing sensitive loader. Anyway, can be ...Timing in loading routinesJust for curiosity I have done some experiments with SAVE command in accurate emulators, and then analyzing the generated WAV and I have obtained lit…
... waves. With a 7056000 Hz timing reference I have: 11025, 22050 ... acceptable (about 1.5% in +2A).
In my opinion ...esxDOS v0.8.5 released (with TR-DOS emulator)Yup, you read right! Now with TR-DOS emulation! More info and download here: [url]http://www.esxdos.org/[/url] Enjoy :)
... original ZX Spectrum models (different timing, bugs on real ZX - screen ... 't, mainly due to the +2A/+3's redesigned ULA, have ... have been doing for the +2A incompatibilites.20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... 48K with normal (non-late) timing. Total execution time is 17776T ... no idea about the Spectrum +2A/+3. As a matter of ...Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... music when played on a +2A or +3. Does that count ... on +2A/+3 play AY music very unstable and game timing is ...+2A musings; to repair, mod or trade?I grew up with a 48K Spectrum+, but it went to computer heaven many years ago. During my First Spectrum Renaissance (when I was a student in the lat…
... yesterday playing on the +2A for the first time since ... people talk about the +2a/+3 machines like no ... , has problems on the +2A/+3 [url=http://www.secarica ... version messes up the music timing completely. (And while I ... decide to keep the +2A, I could get whoever ...
