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TKMEM - the 128K interface for 16K SpectrumsHello all! Here in Brazil, we have made a small production of an interface, totally based on Velesoft?s memory expansion ([url]http://velesoft.speccy…
... better knowledge than me about timing stuff in TK90X.[/QUOTE]
128K timings' except the border timings ... ) has a 'top_left_pixel' timing of 14362 for the 128K, and 14362−5602 ... -
Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…
...
Memory in the 128K models is divided into 16K ... memory, which means that the timing is not constant.
... the machine. In the 128K model, only the last ... and your main code is timing-dependent (as it's ...
Using the whole 128K is tricky and has its ... -
Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…
... the extra memory in the 128K models is rather simple: I ... a data storage facility. My 128K games are in fact 48K ... I don't require perfect timing, so the solution works for ... /> The drawback is that my 128K games are not more complex ... -
Spectranet updateHi all It's been a busy summer, and in any case I've wanted a little bit of a break from doing Speccy stuff to avoid it getting old (pun intended). …
... the time spent transitioning). The 128K toastrack is similar but with ... still fall well within the timing limits that we care about ... -
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…
... the main problem is the timing reference. TZX and PZX works ... and 0.5% slower than 128K (without contention).
Also ... -
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 ... 48K. For other machines (included 128K models) the loading works because ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... , how similar was your test, timing wise, to the DISCiPLE and ... the DISCiPLE attached to a 128K machine. As I mentioned, Lunter ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... , how similar was your test, timing wise, to the DISCiPLE and ... the DISCiPLE attached to a 128K machine. As I mentioned, Lunter ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... . What really matters is the timing between the 50/60 Hz ... applied as per the 48K/128K (but fixed in the +3 ... interrupt and whether early/late timing issues apply.
[QUOTE ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... /> What really matters is the timing between the 50/60 Hz ... applied as per the 48K/128K (but fixed in the +3 ... interrupt and whether early/late timing issues apply.[/QUOTE]
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... correspond to standard 48k and 128k time offsets shortly before the ... .blogspot.com.br/2013/04/timing-test.html]blog[/url].
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... timingtest-0.2.zip"]timing test[/URL] program.[/QUOTE ... 48K with "normal" timing should start at cycle ... br /> Contention on Spectrum 128K with "normal" timing should start at cycle ... br /> Contention on Spectrum 128K with "late" timing should start at cycle ...New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…
... CPLD revision which had some timing fixes (and also only uses ... machines with them in (a 128K +3 and a rubber key ...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 ... just fine on a Spectrum 128K/+2, but I have no ...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 "…
... instructions to adjust for different timing, although this routine has exactly ... version for the Spectrum 48K/128K models. I marked all these ...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…
[QUOTE=stephenw32768;716167]The 128K version of Renegade doesn't ... music very unstable and game timing is bad.+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…
... games being developed today are 128K-enhanced.
[QUOTE ... use of port 0xff for timing[/url]. The 48K version ... hack on the 128K version messes up the music timing completely. (And ... while I didn't play the 128K version ...Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... mention it...
[INDENT]128K Pause
[youtube]wZ4TE5uk0A4[/youtube ... />
Perhaps the resident timing specialists would be willing to ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... changed the approach to my timing codes and have done some ... work correctly on NMOS 48k, 128k/+2, +2a/+2b/3.
timing codes were sloppy and somehow ...fire n iceHi does anyone have or know where i can get a tape version of fire n ice? it's the homebrew game of the sequel to solomons key, i think it was russ…
... be adapted to the standard 128k Speccy?[/QUOTE]
I ... this game for better AY timing on ZX128/+2. All modifications ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... ), and indicated similar problems with 128k models.
What I ... and established the ranges of timing constants, within which I could ... to ensure that the new timing constants are sitting in the ...Top 100 things to do while your Speccy is loading100. Stick on the kettle and nip down the shops for a nice bar of chocolate to go with your tea. _________________ BigBadMick (bigbadmick2000@hotmai…
92:
Have sex with someone (or yourself, if there's no-one about).
Bonus points for (a) being "in sync" with the loading noise (b) timing your finish to coincide with the game loading (c) lasting as long as a 128k Bleepload game.Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... heart routine
[*]Fix the timing issues with the 48K menu ... work with both 48K and 128K models.
The loaders ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... time using conservative 583/1166T timing) by loading all the turboloader ... !
[/LIST]
Planning for 128K payloads, I've standardised the ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... only. this allowed for tighter timing, as (4) was fairly unreliable ... games made into single load 128K games) +3 fixes etc etc ...What would you do with four joysticks?Anyone got some inspiring ideas for four-player games, or twin-stick two-player games..? I can think of, for four players: [I]Warlords[/I] (Atari) […
... it working on 48K and 128K, but so far I haven ... possible on a 128K, but on a 48K the timing is noticeably ... below 49152) so on a 128K, different game code can be ...NEW GAME: Elixir VitaeOnly 2 weeks after Janosik I have a pleasure to announce my next creation - a logical minigame called [B]Elixir Vitae[/B]. Just like another Polish …
... it even throws up timing differences between the 128K and the ordinary ...NEW GAME: Elixir VitaeOnly 2 weeks after Janosik I have a pleasure to announce my next creation - a logical minigame called [B]Elixir Vitae[/B]. Just like another Polish …
... it even throws up timing differences between the 128K and the ordinary ...Nasty 'Gotcha' for multicolour timingI thought I would be better developing my multicolour routine on the 48K first, being the slowest, so it would then be sure to work on the 128K varia…
[QUOTE=joefish;731271]I've just written a routine that seems so awkward it even throws up timing differences between the 128K and the ordinary +2.[/QUOTE]
I'm pretty sure those differences aren't emulated. What are they?Nasty 'Gotcha' for multicolour timingI thought I would be better developing my multicolour routine on the 48K first, being the slowest, so it would then be sure to work on the 128K varia…
... Joe was saying there were timing differences between the toaster and ... aware of the +3/+2A timing differences as my multicolor engine ... even throws up timing differences between the 128K and the ordinary +2 ...
