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Editorless AGD Now for Spectrum as well as Next/TimexI've updated the editorless version of AGD to 0.3, fixing the Next/Timex CLS routine and adding a Spectrum engine and compiler. For those not alread…
... .3, fixing the Next/Timex CLS routine and adding a Spectrum ... -
Curious feature of tape loader for Pssst!Hi everyone, I have a copy of the Ultimate game Pssst! on tape, which I decided to copy to 3-inch disk so I could load onto my +3 quickly, and so …
... that is loaded into the lower two bytes of FRAMES (the ... -
Broken Issue 2 - likely culpritsI've just got hold of an issue 2 spectrum with an interesting layout (heatsink is vertical and goes down to the speaker, some variable resistors and …
... get that far and a lower RAM issue is also questionable ... -
"Monty Hall" problem in Spectrum BasicFollowing a rather odd conversation with my wife regarding the probability puzzle "[url="https://en.wikipedia.org/wiki/Monty_Hall_problem"]The Monty …
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30 RANDOMIZE
40 CLS
50 REM initialise counts ... -
How to stop a flickering character erasure?I'm trying to figure out how to build a moving sprite. Eventually it will be made up of several UDG's. However its early days yet so I'm experimentin…
... that moves by itself. Using CLS is causing the character to ... 0, x; "A"
20 CLS
30 NEXT X -
Tutorial: Using UDGs in SpecBASSpecBAS is capable of using graphics mode, in a similar manner to the original Spectrum. Like most things though, the extended nature of SPecBAS's ab…
... the "p" key. Note the lower-case here! As each of ... -
Random-Access to Microdrive FileI am working on a BASIC program to backup a microdrive text-file to standard tape array-file. To backup a text-file from one microdrive to a secon…
divIDE interface not workingA while ago I bought a divIDE interface for my two spectrums (one is a 48k rubber keyboard one, the other is a 48k Spectrum plus). Sadly I never actu…
... , I replaced both upper and lower RAM with a new replacement ...Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... detected the 2 previously replaced lower ram IC's as suspected ... this time everything past tests, lower, upper, and multiplex IC's ... beeper started working, and the lower ram test reported IC13 as ... right over where the previous lower ram IC's were replaced ...Is it a form of despondency or am I just now lazy?I know there are quite a lot of us 40 to 50 year oldies from the Spectrum era and I was wondering if anyone else felt this way? I seem to have the in…
... the energy levels are noticeably lower these days.
2. Work ...[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... decided to write my own "CLS" routine (without relying on ROM ... change border color).
; ROM CLS = call $0DAF/3503
The Ballpoint"The Ballpoint" http://www.worldofspectrum.org/infoseekid.cgi?id=0007945 This is a summary of the investigation Philip Richmond, Tim Gilberts (Gil…
... works... it even does a CLS and a reprint of the ...converting sna to tapsince i'm struggling to find a simple sna to tap converter that works fine on gnu/linux, i'm about starting to code one on my own (using a scripting …
... for memory optimization)
10 cls:clear val"24575"
20 ...Replacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... , or whether to use something lower-rated, such as a MuRata ...The trials and tribulations of the external tape recorderAnd you may find this a strange topic, because having been a +2 owner for the last 31-and-a bit years, it's not something I've had to deal with in th…
... despite the ZX81's considerably lower tolerance for loading errors.
lower frequency on the data tone ...MB03 UltimateDear ZX friends, you may have heard of MB-02+, probably the best disk interface for ZX Spectrum, originated back in the 90's. Although not much sp…
... the author, is trying to lower the price as much as ... now. The more pieces the lower the final price.
Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…
... an attempted removal of IC15 lower ram, with damaged pads/vials ...Stuck again! Please help meI'm in the process of making a little game, eventually it will become rather more sophisticated (I hope) but I am testing out routines one at a time.…
... . I dont want to use CLS or I'd lose the ...ZX Spectrum rescued from a friend, has Issues.Hi guys, I've recovered this ZX spectrum 48K from a friend. It's a 1984 ISSUE 6A. He told me the last time it was turned on was about 30 years ago!.…
... membrane (basically cutting the damaged lower end on both stripes) and ...Modifying a speccy to +5v only operation.Just a thought experiment so far. Let's say i wanted to make a more resilient spectrum by getting rid of the DC-DC converter circuit. This would remo…
... rails from the speccy. The lower ram is easy to get ...Help request for an injured Issue 4A spectrumHi folks, I'm hoping to resurrect an issue 4A spectrum that has been in my hoard for a couple of decades since buying it for spares. Someone ha…
... found 4 of the 8 lower RAM banks were nackered.
lower ram, but not inserted it ... to require 12v aside from lower ram was the LM1889 - should ...Randomised data samplingHere is something that could be written in BASIC, if anyone is interested. Lets say we want to sample a subset of a larger population, we can do t…
... 7 : BRIGHT 1
4 CLS
5 LET poptab=50000 ... NEXT n
100 CLS: PRINT "FULL POPULATION DISTRIBUTION"
Tauon PC-1 android 7 with ZX - anyone tried it?I found this on the internet: [b]https://www.tauonelectronics.com/index.php[/b] It seems like a all in one keyboard/android 7 device with Unreal …
... made for Android 7 and lower.
Package contains: computer ...16k and PEEK 40000 (on a real 16k Spectrum)?Imagine a real 16k Spectrum (without any RAM expansion or circuits fitted). What would I get if I do a PEEK or try to access memory over 32767? Wo…
... mirror of what's on lower memory (would it be different ...48k issue 4B display problem etchi,, i have a zx spectrum 48k issue 4B with a display issue it has wavy lines in both the border and paper,some colours seem worse than others ie red…
... ,, ie replaced video encoder,new lower ram module.different ULA,crystals ...zx spectrum 48k low -5volt raili have just received a 48k issue 3. initial tests show that all voltages are there but the -5V rail is only showing -4V. it does boot but i have tur…
... any further possible damage to lower ram.i have not experienced ... the zener diode? maybe bad lower ram chip holding it down ?
