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No video on Spectrum +2BI have a Spectrum +2B that I bought real cheap without any cables. I made a power adapter for it using an old ATX PSU I had laying around, it's curre…
... the TEA2000. Something along these lines:
[IMG]http://i66 ... resistors with each of the color signals, to bring the signal ... -
Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…
... , as the number of display lines in a video signal is ... colour signal is still a lower bandwidth signal compared to RGB ... -
Monochrome monitorsSilly question perhaps, but thinking back were there any games specifically written to be used with a monochrome monitor? Is it true that monochro…
... colour signal is still a lower bandwidth signal compared to RGB ... /> I mean, my C=1084S (color) monitor has two different video ... and a better control of color bleeding.
However, I ... -
im looking for other games like the muncher that use double height and width graphics with colouri havent come across this type of graphics mode on the spectrum before and would like to know if there are any other games that use it.
... , doors, and so on). Background lines are zoomed too, but only ... 1x2, and stripes remain thin. Lower part with text console of ... -
Tory Leadership ContestCould not help it had to mention it, I know it won't interest everyone. Don't want to open a can of worms. But its chit chat, so be nice to each othe…
... at higher spending and/or lower taxes. ‘Cus they always think ... areas, is unnecessary artificial dividing lines, and mismanagement due to restrictions ... -
Raster effects - quick questionHi Guys Just a quick question regards what the ULA is doing as its drawing each scan line. Assuming the beam has finished drawing the border, am I…
... of four (or eight) scan-lines each then you might be ... the multi-colour aspect of Color-48, which I really admire ... -
Special mono tape recorders for Micro owners of the early 1980s So what were the KEY FEATURES of these machines that separated them out from the normal mono tape recorders ? I cannot really remember- but I have …
... />
[b][color=blue]Dixons: TR-30[/color][/b]
[img ... />
[b][color=blue]Acorn: ANF-03[/color][/b]
[img ... />
[b][color=blue]Acorn: ALF-03[/color][/b]
[img ... perhaps. Something along those lines maybe. Just thinking here ... -
Funny stories from arcadesIt happened in Poland , in the city of Łódź (Lodz) , in the spring of 1986 . There was a small arcade in which I played pinballs and Invaders . This…
... width, and with different materials, color and weight (to make it ... game) and a clock; the lower one (full size) was used ... -
PAPER&INK: screen/character differenciation?So I was looking at a type-in listing earlier and I got to wondering how the Spectrum differenciates between knowing that the PAPER/INK commands need…
Suggest Internet Improvements Discussion threadOk, I can't claim to know a lot about the Internet / World Wide Web, so I am only starting this in the hopes that it might facilitate discussion on t…
... motorways/main railway lines. Then down through various lower capacity links, down ...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!.…
... and hence NOT accessing the ‘lower’ RAM, the value on the ... comments!! I've tried the lines you wrote and here's ...Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... that the POWERPAX delivers a lower voltage and that the polarity ... white stripe or the dashed lines carries the positive" .
Missig some sprockets on an MIA cassette tapeThis was a recent Ebay purchase so I will not go into details but I can talk about the generic details about a faulty cassette tape that arrived in t…
... lines of "if there is something ellse you require , I can lower ...The Diagnostic PCBIt arrived in the post today so this is my first go with the Diagnostic PCB. (bought on Ebay) This item , I think , does the same job as Retroleu…
... screen display saying along the lines of "48K Sinclair ZX Spectrum ... /> Then it states "upper and lower Ram OK"
ROM ...If Sinclair computers had not been sold...I was just having a random thought. If Sinclair Computers (or the rights to them, not sure how it 'worked' back then) had not been sold to Amstrad…
... the Z80 to refresh the “lower” RAM (the 4116 DRAM chips ... decoding (currently it ignores address lines A1 to A7 so that ...upper ram tacks / TR4 socket...[url="https://photos.app.goo.gl/MkqzRCuNCV3EPr9E7"]https://photos.app.goo.gl/MkqzRCuNCV3EPr9E7[/url] you can only replace that pesky TR4 so many t…
... does not care about the lower RAM, it will just grab ... side of the data bus lines are complete (no broken connections ... ), all the wanted RAM address lines are connected and the +5V ... and 0V/GND lines are okay. You can then ...Why is it so hard to produce ZX Spectrum add-on Hardware in the UK.Arguably the UK Spectrum add-on market is stagnating? Why ? Well obviously the ZX Spectrum is a very old retro micro so it's fan base would normall…
... the Speccy "spend" is possibly lower than in some other high ... " per customer might possibly be lower than other "micro" 8 bit ... of their businesses along these lines because of it ( well it ...edge connector... breadboard / external romso i purchased a breadboard on a edge connector.. to experiment with .. my first task to make a external rom boot (32k eeprom) so i think i got every…
... long as any extra address lines (A14 and greater) are tied ... the chip, then these address lines should be connected to 0V ... .
If a smaller/lower capacity chip is used, if ...specie external keyboard - revision one -[img]https://photos.app.goo.gl/pqeYpXnLqTwYkLvKA[/img] revision one of my external keyboard ... wow it actually worked after a little bit of crash…
... 5 outputs to the lower 5 data lines, with tristate outside of ... />
Hmmm,
9 address lines.
1 IORQ line
6 Keycode lines. ( up to 64 keys / ... want to communicate, using address lines as selectors... Some decode logic ...Missed opportunities in the 80'sAll the talk of the Loki got me thinking... What if someone had built an expansion box for the speccy that had the 3812 Yamaha music chip ( Adlib Sou…
... TVs... The 80 Column / High Color Graphics on one, and the ... were using games in the lower 16K of memory space lol ...Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... in
Start of lines
End of lines
Lead out ... forgot to run the mode lines to the address PAL, but ... Mbps... Easily achieved even with lower quality and slow chips of ... 256/512 pixels and 192 lines works so well with the ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... : 0, warnings: 2, compiled: 110 lines, work time: 0.000 seconds ... of a DWORD and zeros lower word
ori reg, 16 ... low word ; logical OR Immediate lower half of word inHow to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... drawing to the bottom 2 lines though I expect (although you ... think which can draw to lower 2 lines without the scroll message ... draw to the bottom 2 lines in a basic version.How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... /> ATTRIBS EQU $5800 ; Location of color array
ORG 32768 ... br /> ; set attrib to the lower right
ld de, 32 ... /> ; set attrib to the lower left
dec l
; set attrib to the lower right
ld de, 32 ...
