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Toastrack - poor state/non working requiredHi all, I'm after the rattiest, tattiest, non-working toastrack that can be gotten - I'd like to obtain one I can fully socket for testing my diagn…
... 'm after the rattiest, tattiest, non-working toastrack that can be ... -
Problems with AY sound. Experts needed. :-)<div><span style="font-family: Arial, Verdana; font-size: 13.3333330154419px; line-height: normal;">I need to play some AY sound effects, so I've bee…
... non-essential code away and made some changes to not use interrupt ... -
Speccy games featuring on non-speccy web sitesThere's a distinct possibility of a Grussu attack for re-hashed threads but hey... ;) I remember a while back seeing that the Thompson Twins adven…
... possibly opening the eyes of non-educated folk to the joys ... speccy game featuring on a non-speccy site (and not even ... -
Brightness level of non-bright attributes on classic ZX 48Does anybody know what was a brightness level of non-bright attributes on classic ZX 48? Was it the same on 128, +2 and +3? I can see on wikipedia a…
... was a brightness level of non-bright attributes on classic ZX ... -
Interrupt routineI have been trying to create an interrupt routine for playing AY music in the background but cant seem to get anything working. I have a music rou…
... been trying to create an interrupt routine for playing AY music ... /> Does the bank switching mean interrupt routines cant be used?
128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…
... , 4 and 6 (plus the non-video portion of bank 7 ... still doesn't cover the interrupt handling, which would be MCPs ... problem. All the interrupt handler would have to do ...Does anyone actually support the "A white man mustn't play a non-white role" drivel?Regarding the recent political correctness hypocrisy (the one where a bunch of morons started complaining about a white actor, Ed Skrein, being wrong…
... be allowed to play a non-white role (it was discussed ... be allowed to play a non-white role? And if so ... "white people shouldn't play non-white roles" nonsense (and he ...Non ZX Spectrum hardware that is useful is one or more Speccy related computer modes.I am not sure if I described it very well but there are now loads of ZX Spectrum modes or zones or categories of hardware where where Spectrum games…
... aided by this "foreign" ie non Spectrum hardware
Would ... of all this very useful non Spectrum hardware that can aid ...WTB - Interface 1 Manual & Non Working MicrodriveAs it says on the tin i am looking for a Interface 1 Manual and also a Non-working Microdrives anyone have this kit can they PM me please and we can …
As it says on the tin i am looking for a Interface 1 Manual and also a Non-working Microdrives anyone have this kit can they PM me please and we can discuss.ZEsarUX Beta 7.2-RCHi I have uploaded a new ZEsarUX Beta version: 7.2 Release Candidate! Next version will be final stable :) You can download it from: https://g…
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Improved MMC emulation: allow non-standard mmc file sizes
Fixed emulating Inves interrupt bug
Fixed segmentation fault ...ZEsarUX stable 7.2Hi! I have uploaded a new stable ZEsarUX version 7.2! You must go to the Releases section on the GitHub project to download It, as usual: htt…
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Improved MMC emulation: allow non-standard mmc file sizes
Fixed emulating Inves interrupt bug
Fixed segmentation fault ...GZX 2020.1 ReleasedHi, I just released [url="https://github.com/jxsvoboda/gzx/releases/download/v2020.1/gzx-2020.1.zip"]GZX 2020.1[/url]. [youtube]3AOQETbfrPA[/yo…
... /> [*]Fix 128K page switching via non-standard port numers (fixes The ... )
[*]Avoid missing interrupts when interrupt is locked (fixes hang in ...Non Joystick Games . Why? When? And What are They? Quite a few of the early CCS Strategy games were non joystick (keyboard input only) How quickly did the joystick become standard ? Where (which…
... early CCS Strategy games were non joystick (keyboard input only)
non-joystick games persist in (if ... possibility for the continuance of non joystick games?ZX Spectrum BASIC "non UK" titles that can be easily translated to make an "easy" English VersionIt was the 16K German version of LEMONADE STAND written in BASIC that made me think about this . Really , I suppose this translation aspect just…
... are therefore any REALLY GOOD non UK software titles in BASIC ...Zero v0.8Pigs can apparently fly because it's the v0.8 update of Zero that no one asked for but is out for public consumption anyway. Grab it [url="https:/…
... Recently Used files with a non-registry version.
* Re-wrote ... flag being incorrectly reset during interrupt (woody).
- Fixed IFF2 flag ...Favourite Foreign Language Films (Non English)I likes an arty film or two and stuff and so forth. Gotta be just heaps of them. Given the English titles here to save messing around. Man Bites D…
... /> Do you have any favourite non-english movies?My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... advantage of their hardware - interrupt lengths, reading non-existant ports, a Knowledge ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... last M-cycle has two non-obvious consequences:
...< ... /> * M1: 6 tstates: acknowledge interrupt and decrement SP.
* M2 ... /> * M1: 6 tstates: acknowledge interrupt.
* M2: 3 tstates: ... width, using the smallest interrupt routine possible ("EI;RETI ...Games that won't work with the +2a/bIs there a list of all the games that don't work with the +2a/b? Like Fairlight for example. Ta :)
... it also the different timings, non-floating bus etc.? Note: I ... depends massively on timing and interrupt tricks.
If it ..."Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]
... that the Speccy could do non colourclash games, just that most ... 7 cycles, and thats an interrupt or BRK.
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Speccy 128k Double Buffering.If I understand this right, you display either of the screens, and draw to the one that is not being displayed. Am i right in thinking that the Non …
... to the non-displayed screen.
2) On the next interrupt, select ...The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... you can program it to interrupt whereever (start of scan line ... easily reset it for another interrupt somewhere else in the same ... got that from has them maskable and a programmable timer.
C# emulatorHi, I wanted to branch out and get a little better with C# so I think I need something meaty to do to keep me going....so an emulator seemed a reaso…
... counter. This will end up non-zero - and this is because ... /> When you've triggered your interrupt (if necessary) then you just ...Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…
... ... that's to say, a non-timed emulator just for debugging ... specific number of tstates after interrupt. Sounds to me like that ...Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…
... low and M1 low = an interrupt acknowledge, so just using IORQ ... not *swap the working and non-working CPUs* in both Spectrums ... 't go low on an interrupt acknowledge, so just IORQ low ...Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
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Until the next interrupt (either maskable or NMI). That means it ...Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... you suggest that even the (non-IO) instructions which are contended ... the states to the next interrupt, if this came out as ...
