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New version (v0.31) of ZX DiagnosticsHi all,<br><br>Just wanted to let people know that I've released a new version of the Spectrum Diagnostics into the wild.<br><br>These were originall…
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I not show Your test program ?
With digiboard all is ... -
Dead SpectrumHello guys, I've just bought a dead Speccy 48k (Rubber Keyboard Issue 3 board). Basically, when powered on it initially appears to boot up ok, but in…
... is failing, use of a test program (that does not need [i ... /Cartridges/Interface2_RC_TestCartridges.htm"]Interface 2 test cartridge/ROM[/url], one of ... -
Dead SpectrumHello guys, I've just bought a dead Speccy 48k (Rubber Keyboard Issue 3 board). Basically, when powered on it initially appears to boot up ok, but in…
... is possible to program a EPROM with a test program and with a ... -
Spectrum +3 blinking yellow/blueI received a +3, which only gives a yellow/blue blinking border during initialization. Pressing BREAK when powering on does not work, neither does a …
I was afraid it´s faulty RAM - thanks Amstrad for removing the RAM sockets on a +3...
Yes Brendan, I do have ZXC3 (and ZXC4) cartridges. Would love to try your test program. My address is shown on my web page. -
1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…
... it be more scientific to program something to generate a frequency ... />
Yes, the beep.tap test program is a primitive attempt to ... -
I recapped my 128K toastrack, installed stereo kit and detached audio from video, but...Hello fellow forumers! I'm seeking for help: I've finally decided to change all electrolytic capacitors of my 6U (with all Panasonics 105oC)... Af…
... with Ben's little BASIC test program...
Oh, I also checked ... -
Faulty Issue 1Hi all, thought I'd document my efforts in getting another speccy working. I've never done this before so please bear with me... I recently took a p…
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... , he was never asked to test the +5V rail. As the ... /EPROM, a ROM based RAM test program should confirm this.
Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
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As Zorn has said, test lower RAM, it's all ... do for now, Did you test the output of the 7805 ... /EPROM, a ROM based RAM test program should confirm this.
test firmware? Also, I have a ...Sudden death of ZX Spectrum 48KHello A friend gave me a 48K rubber keyed Spectrum. I brought it home, hooked it up to my little TV and powered it up. I was very happy to see t…
... be possible to store a test program in the battery backed RAM ... with a ROM based RAM test. It's not cheap, but ... more than just run a test program.
Links:- http://www.fruitcake ... /brendanalford/zx-diagnostics
That test program can run on any ROM ...Issue 4A, tests complete fine but get odd crashing problemHi all, I've got an issue 4A which has had all of its lower RAM replaced, TR4, TR5 as well as its CPU. It originally had quite high voltages (20-3…
... /> Can you run a RAM test after running Manic Miner and ... you try a simple BASIC test program?
[b][i]Mark ...Leading Zeroes on a Score in BASICI'm trying to print the score with leading zeroes such that it's always 6 characters wide, i.e.: 000010, 000150, 006100 etc. I quickly knocked thi…
... it in the "analysing program variable usage" thread back ... the start of the test program to the end of ... variable declarations and/or program lines. (I didn' ... built into a complete program the search times for ... variable data and program lines are always going ...Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
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The software is a test program that happens to reside on ...Speeding up programs by hacking the SysVarsPositively pleased to properly discover this area of the forum! I have a couple of recent tricks that might be of interest - they're probably old hat…
... setting PROG to NXTLIN. The test program simply fills the screen with ... %[/b].
The next test converted the variable names to ... %[/b].
My final test was to take the above ...Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…
... back in. The run the test program again.
My final ...can a backup device damage the spectrum ROM?as above. been using a specmate device which seems to have corrupted my speccys ROM.
... which has a comprehensive RAM test program, even better if it has ... a ROM test program as well, it's a ...ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... faults, is a ROM based test program. A number of interfaces/ expansions ... /EEPROM/flash memory). A RAM test program running from ROM, does not ...Testing your codeOk, guys, again I here with question. How do you test your works? I understand how to test functions and procedures mathematically (for example, g…
... done by running the program under test through a simulator which ... for cpu state after the test program has run to determine if ...
If your subroutines under test can be verified by looking ... extract only the subroutines under test from your project as ...Kempston option spazzing outHi again I have a speccy 48k issue 6a. With it I have a Datel Kepston interface and a konix speedking joystick, all of them in my posession since…
... /> You can test the joystick and interface with this BASIC program:
[u]Kempston Joystick Interface Test Program[/u][code]
10 PRINT ...Any way to Vsync Spectaculator 8?I am using Spectaculator 8 for the Demoscene mostly, and have discovered that my monitor supports 50Hz, like a real Speccy. Unfortunately, the tearin…
... smooth scrolling, check this noflick test program:
[URL=http://wikisend.com ...c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... editor, menu system and self-test program
ROM 1: 128k syntax ...c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…
... editor, menu system and self-test program
ROM 1: 128k syntax ...48K light gun on a 128K ZX SpectrumHello I have a 128K ZX Spectrum. I want to use a Cheetah Defender with a DE-9 plug (Kempston interface wired) with it. I am aware that normally it…
Where are you pointing at? Those light guns only works on CRT TVs at 50/60 Hz. LCD, TFT, plasma, LED TVs won't work.
If you use a good old TV and it doesn't work, maybe there is a test program that checks trigger and photo diode status.Kempston interface schematic: wrong IC?Hi! I'm trying to learn about the inner workings of the speccy, and I thought that building a kemspton interface would help me learn about things lik…
... correctly?
Using a test program, what results are you getting ...Saving BASIC program from Spectrum to PCSo I did something stupid. I started writing a program on the Spectrum, and before I knew it I am on line # 1430 of my BASIC program. I now have had…
... trying this, use a short test program to check that the audio ... an epic program :P
The best way to test, is ...Using a Mayflash MD USB Adapter with Spectaculator on Windows 10Using a Mayflash MD USB Adapter with Spectaculator on Windows 10 First, plug the Mayflash MD USB Adapter into a USB port and let Windows do it's t…
... [/url]
I found a test program for Kempston Mouse with an ... option to test Kempston Joystick and display it ...Why don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... much to my short Beeper test program, more features, it starts to ... could be called to (1) test different tones (2)different durations ... to use when writing another program that will use all that ...Why don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... much to my short Beeper test program, more features, it starts ... use when writing another program that will use all ... was a (public domain) program like this for the (brilliant ... make it the startup program on a disc, and ... the name of the program, and if it was ...Why don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... with your advice Dunny!
Test Program
5 LET a=10 ...Why don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... with your advice Dunny!
Test Program
5 LET a=10 ...
