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The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... space to make it fully ZX 128k compatible by using smds. -
How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…
... emulation" mean? Do we call ZX +128k, +2, +2A or +3 is ... />
Don't worry about ZX BUS, it is easy to ... -
16k --> 48kI bought a zx and found out it was a 16k since when I execute PRINT PEEK 23733 I get 127 Does it mean I get a lesser model? What limitations do I h…
Try the memory test program ([URL="http://www.worldofspectrum.org/ ... situation clearer. Tell it to test the upper RAM.
16k --> 48kI bought a zx and found out it was a 16k since when I execute PRINT PEEK 23733 I get 127 Does it mean I get a lesser model? What limitations do I h…
... =Zorn;671262]Try the memory test program ([URL="http://www.worldofspectrum.org ... situation clearer. Tell it to test the upper RAM.
TRUE VIDEO, INV VIDEO!Am I the only one who thinks the two keys "TRUE VIDEO" and "INV VIDEO" on the 128/+2/+3 keyboards are pretty much useless, since embedding control co…
... will go into the +3 test program:
[code]
di
test equipment", but to get through ... necessary to have the +3 test disk to put in.How to check the whole memory on a +2 greyHi everybody!!! I suspect that i have a bad memory chip on my +2 Grey. Does anybody know if exist any utility to check the whole memory? Thanks a …
... check from the +3 self-test program.
[code]
ULACHEK:ld ...Game of 91 and PangReally enjoyed Pang. Only just worked out that you don't have to shoot the balls directly, you can leave your chain in a place they will hit, if tha…
By 1991 my Speccy days were at its best, and the games released around these years (90-91) were for me the best ones for the ZX. 128K games made it bigger and better.What (Speccy) game are you currently playing ?(Quite a few threads on what youre listening to, watching etc) What Speccy game are you currently playing ? After playing a LOT of Invasion of the …
Playing Stormlord on the ZX+ 128k. What an awesome game!ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... . Then I wrote this simple test program:
[CODE]
10 CLEAR ...Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …
... to program a EPROM or a EEPROM chip with the RAM test ... (s) and plug in the test EPROM / EEPROM chip.
test/program the rom?
i ...Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …
... RAM.
Ran a test program I found on the WoS ... /> and have followed the RAM test procedures section. The result I ...Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …
... may be passing the initial test carried out by the ROM ... able to, try the RAM test program I created and post the ...Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …
... the found numbers from your test program to binary, and they're ...SpectranetHi all, I just bought a spectranet card and have a couple of questions I hope someone can answer for me. I have played around with it on both a +3 …
... typed in the basic test program I am using at ... run the basic program, it will open test.txt and read ...
basic program
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10 %fopen #4,"test.txt","r"
input file (test.txt)
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128,Daley ...BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... ; it worked with a little program, but not a big one ... 'm using an old 25kb program for testing.)
--
test program.
[url]http://www ...Help reviving a 128 +2 GreyHello m8s, my turn to ask for some help with a +2 Grey. Got it for spares as I do have a working one but I could not resist to try and fix it. As us…
What says now RAM test program ? It is ok ?
I guess you are using RGB output for test, so assuming ULA is ok, it has to be something around CPU/Z80. But you may check ROM too.Help reviving a 128 +2 GreyHello m8s, my turn to ask for some help with a +2 Grey. Got it for spares as I do have a working one but I could not resist to try and fix it. As us…
... />
another check was to test with a continuity tester any ... main ics 25-32 the test program will work
check ...Help reviving a 128 +2 GreyHello m8s, my turn to ask for some help with a +2 Grey. Got it for spares as I do have a working one but I could not resist to try and fix it. As us…
... on reset it restart the test program and gives same result. I ...Help reviving a 128 +2 GreyHello m8s, my turn to ask for some help with a +2 Grey. Got it for spares as I do have a working one but I could not resist to try and fix it. As us…
If the RAM test program runs, then the Z80 CPU ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... cause. But first you should test the three power supplies to ... a suitable test cartridge you can run a test program in ROM that ... will test the RAM and ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... find without a ROM based test program,
[*]Find someone who can ... loan you a test ROM (it has to include ... be able to build a test ROM (I myself use a ... site[/URL] (scroll down to "Test Program Cartridges").
Where in ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... plain text exports, extension for ZX 128k (DTP menu v2.0) even ... , the first book "Assembler a ZX Spectrum 1" was writen in ...ZX Spectrum 48K working as 16K from factoryGood morning I Have a Zx Spectrum 48k working as 16K , it came like this from factory. What can i do to solve this , and put it to work as 48K? Wha…
... help
The memory test program didn?t worked ( shows ramtop ...ZX Spectrum 48K working as 16K from factoryGood morning I Have a Zx Spectrum 48k working as 16K , it came like this from factory. What can i do to solve this , and put it to work as 48K? Wha…
... touch anything else." The RAM test program would probably then load and ...20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
I uploaded the test program [URL="http://www.mediafire.com/? ...20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
The test program variant for Spectrum +3 only is now available [URL="http://www.mediafire.com/?vbwbwic5pwcdtev"]here[/URL].Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…
... use a ROM based memory test program. There are a number of ...Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…
... /Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm"]RAM test program[/URL].
Or you ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... .htm"]this[/URL], the RAM test program is [URL="http://www.fruitcake ...GAC Tutorial Started!Hi all. I have a Youtube channel where I play old games and such. I also do a few programming tutorials. I have recently added a Graphic Adventure Cr…
... ! It started as a simple test program for the proportional font library ...
