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InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... cycle (called that because the signal /M1 goes low when an ... interrupt acknowledge cycle when the signal /M1 happens to go low ... -
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... 's still a level sensitive signal by definition. It is the ... / high state of the /INT signal that is important at the ... -
Two colour nice Spectrum screen$Im wanting some 2 colour Spec or SAM screens to use as backgrounds in my OS... i.e. black and white, blue and back etc etc... not using attributes an…
... music for 15 years now), Signal 3 and all the demo ... -
Replacement chipsAfter much digging around on here, it seems to be the general consensus that the ULA could be causing the problems im having (spectrum is deaf to the…
... , neither spectrum will recognise the signal from an external source ie ... -
Multisystem TV'sHi all, I'm finally giving some thought to getting my Speccies and other PAL machines up and running over here and I'm looking for any recommendatio…
... through to get an NTSC signal, I think.
[quote ... -
Multisystem TV'sHi all, I'm finally giving some thought to getting my Speccies and other PAL machines up and running over here and I'm looking for any recommendatio…
... that can actually do TV signal conversion (the last one couldn ... -
Multisystem TV'sHi all, I'm finally giving some thought to getting my Speccies and other PAL machines up and running over here and I'm looking for any recommendatio…
... that can actually do TV signal conversion (the last one couldn ... presuming it takes the Speccy signal, converts it to NTSC and ... -
Multisystem TV'sHi all, I'm finally giving some thought to getting my Speccies and other PAL machines up and running over here and I'm looking for any recommendatio…
... presuming it takes the Speccy signal, converts it to NTSC and ... first site talks about TV signal conversion, so I think it ... in a PAL signal and get an NTSC signal out (and what ... -
128k and BRIGHT?Just loaded up Arcadia (nice game, BTW). I have side by side a 128k and 48k Speccies and both are connected to the same tape player. So, I loaded the…
The BRIGHT signal from the speccy has to ... on getting the correct BRIGHT signal.
D ... -
have a speccy program not in the archive or in MIAIntermediated Maths 2 for the 48K!!
... some of them, because of signal drop-outs, tape breaks and ... -
MP3/WAV Tape Images for iPod etc to REAL speccyGuys and Girls (well to be realistic - guys), I was messing around with my old +3 this afternoon, my PC, and my iPod trying to find a way to play so…
... is that MP3 compresses the signal in a way which makes ... -
MP3/WAV Tape Images for iPod etc to REAL speccyGuys and Girls (well to be realistic - guys), I was messing around with my old +3 this afternoon, my PC, and my iPod trying to find a way to play so…
... think it will kill the signal completely - Plus the stereo is ... -
RGB values for Spectrum colorsDoes anybody know the true rgb color values for the spectrums 15 colors. I'll assume that black is 0,0,0 White is probably 255,255,255 But what are t…
... colours by using the "bright" signal.
[quote]
btw ... -
maketzx problemsDoes anyone else have problems running maketzx v2.33 (with or without the GUI) on Windows 2000 Sp4? I've just changed my OS from Win Me where i've m…
... , as my +2a rounds the signal up/down and this could ... -
maketzx problemsDoes anyone else have problems running maketzx v2.33 (with or without the GUI) on Windows 2000 Sp4? I've just changed my OS from Win Me where i've m…
... adjust (attenuating and boosting the signal to a normalised level). I ... -
maketzx problemsDoes anyone else have problems running maketzx v2.33 (with or without the GUI) on Windows 2000 Sp4? I've just changed my OS from Win Me where i've m…
... adjust (attenuating and boosting the signal to a normalised level).
maketzx problemsDoes anyone else have problems running maketzx v2.33 (with or without the GUI) on Windows 2000 Sp4? I've just changed my OS from Win Me where i've m…
... adjust (attenuating and boosting the signal to a normalised level).
Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... , tape and video) generates a signal. if interrupt (IM 0, IM1 ... (TIME: cca 70000t) ULA generates signal and repeat this process.
Great escape...Hi my friends, I download Spectaculator ver 6.25 and then grab the Great escape, but I had problems in playing the game... I just use the keyboard …
... tapes :- Lyra II by ESI, Signal 3, Shock Megademo etc etc ...If there's ONE thing that......frustrated you about the spectrum when you were a kid (not now) what would it have been? 1) The attribute colour problem 2) The sound 3) The size…
...I know what I hated... Two things:
Connecting an interface with the computer on, and having to throw the thing in the bin, and
The modulator heating up, and detuning the signal.spectrum 128k +2 sound problemsi recently bought a spectrum 128k+2 grey modell on the net. but i cant get any sound from my games, i have connected the arial lead to the TV socket …
... synching to the speccy's signal, and you may find that ...spectrum 128k +2 sound problemsi recently bought a spectrum 128k+2 grey modell on the net. but i cant get any sound from my games, i have connected the arial lead to the TV socket …
... , the encoding of the sound signal sometimes differs. This is in ... Speccy's sound because the signal can't be decoded properly ... that takes the composite video signal from the DIN plug at ...Sparky eZX-BASIC Project in need of FPGA ExpertYou probably are not familiar with this project, but it is a computer system based on Zilog's new eZ80 chip and the OS is a superset of ZX BASIC. Ju…
... , nor is there a WAIT signal (although there should be!). I ...Recommend a monitorCan anyone recommend a color monitor with a composite and/or RGB input that works with a heatsink-type 128K machine? Old stuff preferred. The smaller…
Does it have a TV input, or did you modify the modulator (for instance, to produce a composite signal)?Interface Zero joystick interfaceHello I just built a joystick interface with instructions I found from Your Sinclair ( [url="http://www.users.globalnet.co.uk/~jg27paw4/yr05/yr05_72…
... ' or over-rides the normal signal from the keyboard.
Does ...Interface Zero joystick interfaceHello I just built a joystick interface with instructions I found from Your Sinclair ( [url="http://www.users.globalnet.co.uk/~jg27paw4/yr05/yr05_72…
... -rides
> the normal signal from the keyboard.
> ...+3 Disk Drive "B:"Help me please! I've Googled 'till I can't Google no more. Is there an EASY way to fit a 3.5" FDD to the drive B: connector on the +3, and when it i…
... be waiting for a ready signal, but my drive is supposed ...+3 Disk Drive "B:"Help me please! I've Googled 'till I can't Google no more. Is there an EASY way to fit a 3.5" FDD to the drive B: connector on the +3, and when it i…
... be waiting for a ready signal, but my drive is supposed ...
