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Calling people with Diagboards.....and who have toastracks or grey +2's with all socketed memory :) I'm finishing off modifications to the Diagboard firmware to expand its testing c…
[QUOTE]Which 128k machines are you talking about?[/QUOTE]
Oh, yes - we need also good RAM test program for black ZXes, including all RAM switching. -
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…
... them.
A little test program, again with some random junk ... -
Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... .
Screenshot of the test program:
[url]https://drive ... -
128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... liberty of transcribing that smaller test program to a simple basic loader ... , 244
[/CODE]RUN this program, then after the 'E Out ... -
128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... liberty of transcribing that smaller test program to a simple basic loader ... , 244
[/CODE]RUN this program, then after the 'E Out ... tried Saving a wee BASIC program, it made all the proper ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... inserted is functional, switching between test mode and normal mode is ... still works OK (in the test mode) for about 15 minutes ... random tests in the ROM test program and it was still OK ... ]
Freezes after boot RAM test in PAPER 0 screen. -
DivMMC and K-Mouse Turbo incompatibilityToday I tested a setup someone wants to use, but of which he can't get the K-Mouse Turbo working. The setup contains of: - ZX Spectrum 128K (toastra…
... .
I made a simple test program and saved it to SD ... .
I can reload this program until there is correct data ... -
DivMMC and K-Mouse Turbo incompatibilityToday I tested a setup someone wants to use, but of which he can't get the K-Mouse Turbo working. The setup contains of: - ZX Spectrum 128K (toastra…
... .
I made a simple test program and saved it to SD ... .
I can reload this program until there is correct data ... .[/QUOTE]
Can you test, if same problem is with ... -
New user with a dead 48k issue 2Hello all I've found my way here from watching some excellent youtube videos by Joulesper Coulomb in an attempt to fix a issue 2 rubber key 48k I bo…
... rather hard without the right test equipment.
In ... order of the test gear that is most useful ... />
Putting general test gear to one side, the ... diagnostic tool is a test ROM. Easiest is to ... programmed with a RAM test program. If the Spectrum has ... -
128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... : I have created a small test program , and the above call works ... know) in ASAM. My simple test program crashes when I compile it ... -
DivMMC and K-Mouse Turbo incompatibilityToday I tested a setup someone wants to use, but of which he can't get the K-Mouse Turbo working. The setup contains of: - ZX Spectrum 128K (toastra…
... after reloading my simple BASIC test program (which reads and shows values ... -
48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…
... you need to run a test program that really tests the memory ... because the run from a test ROM or a [URL="http ... . But as I have a test ROM, I have never used ... -
FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…
ZX Spectrum Clock Signal Restorer Circuit[SIZE=5][U][B]ZX Spectrum Clock Signal Restorer Circuit[/B][/U][/SIZE] The circuit below is an experimental circuit. It has only been "tested" using…
... EnJOY!, so I can't test it after the CPU replacement ... ! + SPECTRA) and it loaded the test program every time without errors (20 ...Microdrive-Microdrive incompatibility?Hi All! Finally I could get enough Microdrives and connecting blocks (or cable replacement) to make the largest storage configuration of the classic…
... . There is a good signal test program for Sinclair QL, which I ...Fixing my old ZX Spectrum 48K issue 4AHi Guys, I trying to fix my old Spectrum 48K. Looks like my dad used a wrong power supply as the ULA had a bit missing and so did the 7805. So I rep…
... loading red green lines , shows program name , the yellow blue lines ... crash but fails to load program.
Other thing is I ... do not hear the program load on the zx speaker ... .
Running the RAM test program I found here I get ...Help me fix my grail ZX 128k SpectrumHi all, Ok today my grail toaster rack ZX spectrum 128k turned up. I finally found one and for a reasonable price. I powered it up and..... Nothing …
... />
Try a simple BASIC test program:
10 LET A ...ZX-Modules app reportZX-Modules app report If You are interested, I want to report about the state and progress about my ZX-Modules programs. I would like to report at l…
... this, I wrote a small test program that checks the age by ...Interfaces & ROMsHi everyone, I'm currently looking into the various modern interfaces for the Spectrum to allow me to run all my games from an SD card. I have a few…
... will help.The RAM test programs that are available ... to RAM, execute the program in RAM and switch ... map.
Any test program that is a tzx also ... load up one of the test ROMs, correct?
test always available.
48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
... to use the Microhobby RAM test program. It will tell you which ... pause/resume loading, as the test requires you to stop the ... . As you are going to test a 48K machine, input 48 ... (very short)
The test itsef does a series of ...48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
Yeah IC16 was for me. Apologies if I've caused any confusion ;)
I tried the Microhobby RAM test program anyway. Put the TAP file onto tape and gave it a go and it works great. Does indeed show IC16 as being at fault in my case.48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... /> I'll try the other test program also, but I have already ...48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
... of variations on using a test ROM.
The ... contains a RAM tester program[/URL] can be used ... at soldering, and can program EPROM or EEPROM chips, ... you can program the chip, then modify ... br />
The ROM test program (there are at least two ...Interface1bis and alternate roms?I was wondering if it's possible to put alternate ROMs on the Interface1bis? I'd like to try using the Gosh Wonderful ROM without having to make any …
... be possible to load a test program (ROM) into the IF1bis so ... Spectrum hardware tests, like the test ROMs. In other words, I ... not want to load a test program from the IF1bis. It must ... the time of building a test interface like the one that ...Interface1bis and alternate roms?I was wondering if it's possible to put alternate ROMs on the Interface1bis? I'd like to try using the Gosh Wonderful ROM without having to make any …
... be possible to load a test program (ROM) into the IF1bis ... hardware tests, like the test ROMs. In other words, ... not want to load a test program from the IF1bis. It ... time of building a test interface like the one ... could be used to test machines that have no ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... problem: after the diagnostics, the test program says it is paging in ... shows that when the diagnostic program is doing Spectrum ROM CRC ... . But at the end of program, ROM stays disabled. Anyway the ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... problem: after the diagnostics, the test program says it is paging in ... shows that when the diagnostic program is doing Spectrum ROM CRC ... . But at the end of program, ROM stays disabled. Anyway the ...48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…
... is only a first, simple test.
I take it ... use a RAM test program. If a tape loaded test does not work ...
