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128 port hardware patchReading the ULA book has reminded me of something. In The Spectrum Hardware Manual (Adrian Dickens) there is a hardware patch to allow free use of al…
... the "easy" way (bung a resistor on the output of the ... that is to probably instead replace that circuit with:
resistor at the base, I just ... -
48k scartAnyone use or know anything about these? [url]http://cgi.ebay.co.uk/Sinclair-Spectrum-Composite-Video-Mod-Kit-Scart-TV-/260684941076?pt=UK_VintageC…
... to the RF socket (a resistor), and to solder a piece ... with some job), is to replace the entire modulator PCB with ... -
Powerpack melts! +3 survives!I woke up this morning, switched on the sockets, went to the loo 'as you do' and came back into the living room. I heard this clicking sound so I th…
... its a good idea to replace them with new ATX supplies ... add some load via a resistor, the efficiency gains go out ... -
DIVIDE PLUS - ZX bus protectorI make new ZX BUS PROTECTOR for use with DIVIDE PLUS interface. This is very small "convertor" for connection to new ZX BUS connector. PCB contain on…
... rom (only DIVIDE PLUS can replace ZX rom with extra memory ... for soldering:
17x smd resistor (size/type 1206)
1x ... -
New SpecBAS available - Procedures and Functions.Go here: [url]http://www.zxspectrum4.net/forum/viewtopic.php?f=6&t=17[/url] And get the latest if you're interested. I've added procedures and func…
... them, and replace them with the result.
Add the variable "a ... the stack
take the variable from the top of the ... of the stack to that variable.
All very easy ... -
Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.
... : RETURN[/code]
Replace give the variable "address" the value corresponding ... -
Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.
... : RETURN[/code]
Replace give the variable "address" the value corresponding ... -
Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.
... : RETURN[/code]
Replace give the variable "address" the value corresponding ... plan on using the SCREEN$ variable for hit detection. -
ZX Spectrum +3 Query...Hi all, As common, I brought down my Spectrum from the attic the other day to have another stab at getting it running. I knew from the past it was a…
... just a resistor that is blown on it that I could replace. -
Question about DivIDEHi guys, Tell me this... (please) DivIDE features an "auto-mapping feature transparently maps shadow ROM at important entry points". Depending on …
... the IM 1 address, a variable assignment (if you were to ... modes:
1) mapram mode (replace ZX rom with external 8kB ... /> 2) true 16kB allram mode (replace ZX rom with external 16kB ... -
Problems with a gray ZX Spectrum +2Hello. First of all, thank you for receiving me on this forum. I'll try to help everybody as well as I can Said that, I want to do two questions abo…
... /> [B]1. Compact Flash to replace TAPE mechanism[/B]
resistor 1kohm, a transistor (bc327),74HC ... -
RGB cableI constructed an RGB cable to my +3 as per schematic on page 14 of this document here: [URL="http://mts.speccy.cz/doc/128_rgb.pdf"]http://mts.speccy.…
... though, if I could replace the 1k resistor in the +3 12V ... is the purpose of the resistor on the 12V line anyway ... -
RGB cableI constructed an RGB cable to my +3 as per schematic on page 14 of this document here: [URL="http://mts.speccy.cz/doc/128_rgb.pdf"]http://mts.speccy.…
... though, if I could replace the 1k resistor in the +3 12V ... is the purpose of the resistor on the 12V line anyway ... -
Official CSSCGC 2011 Competition ThreadHello fellas. The site is up and running. We are already accepting submissions. [url]http://www.mojontwins.com/csscgc2011/[/url] Rules, info, and e…
... poke, if you interupt and replace 660 with
660 ... it already? What an odd variable name I used there! No ... , as I've considered every variable as a signed integer).[/QUOTE ... -
Dead 128K heatsinkUnfortunately my 128K heatsink died suddenly and with no apparent reason. I had the Kempston Pro interface connected and when i powered it on the ztx…
... /> I'll check all the resistor values in the power cirquit ... be...
But I can replace them all if needed even ... the power cirquit I can replace, its easier than testing them ... it be bad? Should I replace it?
I also ... -
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…
... whether there is a paging variable, or the differences in some ... ,etc...)
Some users replace old HAL/PAL chip in ... -
ZX81 Dark screen, could it be the ULA?Trying to get a ZX81 going for a mate of mine, already replaced the membrane (Cheers Rich!) but now its the old "very dark screen" problem, probably …
... to PAL by disconnecting a resistor on one of the ULAs ... newer ULA issue (2C210) and replace the one you have (ULA ... -
'screw' in modulatorI had 'used a metal screwdriver on it' (to quote the guesser from other thread) and broke it. what is the replacement part? are there plastic screwdr…
... , but I would need to replace whole part as the plastic ... of it? it looks like variable coil to me. or is ... -
Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…
Hello Jonathan)
I've played a little and think that 'charset' is ok, but I personally find no use for 'palette' tab yet. No nagging, just IMO.
Ok, so now I can sacrifice an unused letter as a 8x8 UDG instead of 16x16 sprite, but I still ... -
Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…
[QUOTE=NRA;590712]Hello Jonathan)
I've played a little and think that 'charset' is ok, but I personally find no use for 'palette' tab yet. No nagging, just IMO.
Ok, so now I can sacrifice an unused letter as a 8x8 UDG instead of 16x16 ... -
speccy sound input sensivityis there a way to increase sound input sensivity of 48K spectrums? As most of us trying to transfer tape files to spectrum via our onboard soundcard…
... channel.
if we replace mono socket on spectrum does ... on +3, by removing a resistor. Is there a way to ... was actually to put a resistor over a pair of diodes ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
@Timmy: Replace
[code]// Make the ... *b) into the BORDCR system variable
*(unsigned char *)23624=0 ... -
Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…
... via a resistor R2. I checked that resistor again and ... get a better reading on resistor legs, it moved a ... in the middle of the resistor! I must have broke ... of the legs of the resistor.
So ... replace that broken one and hope that the cracked resistor ... -
128K heatsink no color in composite video and bad antenna outputI am currently repairing a ZX Spectrum 128K heatsink model. It gives no colors on composite video output, and very bad antenna output. I opened it a…
... setting, and try tuning that variable capacitor in the 17.7MHz ... /> [*]If you have a spare: replace 17.7MHz Xtal even if ... -
ZX Spectrum TowerHi all, i am working on a ZX Spectrum 48K build in a PC tower case. Is there anyone who did it before? I have some questions duo the PSU. I have to g…
... idea's.[/QUOTE]
The resistor idea is bad. Depending on ... Recom DC-DC convertor to replace the 7805 (I bought mine ... -
Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…
... socketed, I replaced the broken resistor and soldered the socket in ... at. As soon as I replace those wires I'll post ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... 2 or 3 into some variable.
- Have the row data ... , Outter pokes nops according to variable, between chucks
...Is ... easier to see?
- Perhaps replace mouse cursor for something that ... -
Speccy 48K working only as B&WMy 48K rubber key was working OK after a composite video mod (showing colors). But now it has no colour anymore. It only shows images in B&W. With pr…
... 48k Issue2, I had to replace the cable in the composite ... with a 56ohm and 22ohm resistor in series to get the ... -
Spectaculator: Com port bug?I just bought Spectaculator yesterday but probably erred as the one feature it has that no other emulator has is the ability to use COM ports with an…
... to renumber your COM ports, replace the Interface 1 plugin [URL ... consisted of a 1.5k resistor inline with the RX connection ... -
Intermittent sound cutting outHello, I'm resurrecting an old rubber key spectrum. Originally it had no sound at all, diode D9 was blown, I replaced it with one from my other dead …
... />
If you intend to replace the speaker you have to ... impedance, you must add a resistor of 10 ohm resistance to ... that in this case a resistor does the trick.
... speaker try the following
- Replace TR7
- Replace D9
- Replace speaker
