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48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
Run the RAM test program found at [URL="http://zx.zigg.net/zxsoftware/"]http://zx.zigg.net/zxsoftware/[/URL] and post its output here. -
48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
Tried to load the memory test program, but nothing I tried it ... -
48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... tried to load the memory test program and it still didn't ... not come up with the program name.
However, I tried ... -
48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... managed to get the memory test program to load.
I had ... follows.
Lower memory test failed after a few passes ... .
I then ran the test again a couple of times ... ]
The upper memory test I also ran a few ... -
Issue 2 Upper Ram, Loading & ResettingI have a 48k Issue 2 Speccy and for the life of me can't track down what the problem is with it. I initially thought that some of the uppe ram ic's w…
I downloaded Zorns RAM tester program a while back thinking that ... 2 and run the ram test program again with the same results ... RAM IC's, run the test program again and ended up with ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... container types especially will make program development a lot easier. The ... Timmy's adventure code. The test program above is creating three different ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... file as a result. The program will still run because the ... *_BSS.bin)
The test program should still run flawlessy if ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... +zx -vn -clib=new test.c -o test
// zcc +zx -vn ... -startup=4 -clib=new test.c -o test
#include
test program above no longer pauses when ... -
Heatsink for ULAHi, My Speccy 48k issue 4s starts to get temperamental when it's been on for a while. Machine itself is fine but loading gradually becomes more unre…
Could be flaky RAM either?
Run the RAM test program from [URL="http://zx.zigg.net/zxsoftware/"]here[/URL] for both lower and upper banks for a while and see if it reports any issues.
B -
48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…
... tried to load the memory test program from Zorns website but I ... the first part of the program loading.[/QUOTE]
The symptoms ... -
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…
... the font names in the test program is "ff_ao_Dutch" (fzx font, andrew ... well hidden in the demo program but if you have a ... -
48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…
... attempted to load the memory test program and it worked this time ... -
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…
... the font names in the test program is "ff_ao_Dutch" (fzx font, andrew ... -
Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
... (with 74HC32, just for a test) A8 with /IORQ before keyboard ... "phantom 0" has gone. original test program (the first one, without skipped ... -
Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
I tried the latest test program on all three machines, none produced any addresses when trying the Caps+9 test under any circumstances.
(I didn't try with the membranes swapped for obvious reasons.)
B -
Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
... ;814327]I tried the latest test program on all three machines, none ... when trying the Caps+9 test under any circumstances.[/QUOTE]so ... , which is normal, as the program lies in upper ram (so ... /> so I created that second program where "IN" instructions are only ... -
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…
... /> You will find a test program in the "test" directory. There are three ... tests of the same program using ... 't see it in this test program, fzx terminals are windowed, meaning ... -
Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
That test program assumes that the contended RAM ... -
This is how a DivMMC EnJOY! comes to life![url]https://www.youtube.com/watch?v=XFjUFmS1XJE[/url]
... /> Flying Shark was also my test program, when I tested Spectra interoperability ... -
Random object placementI'm looking for some advice on placing objects randomly in a game. I have a routine that reads a table and prints the corresponding object: 0 prints…
[QUOTE=Jerri;817782][QUOTE=Einar Saukas;817774]I just run a simple empirical test (plotting randomly on screen) to compare the random generator algorithms mentioned here:
[CODE]10 FOR f=0 TO 20000
20 LET y=USR 32768: IF y -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... /> Here is a test program for you:
... /> /////////////////////////////////////////////////////////////
// EXAMPLE PROGRAM #1
// 04 ... br /> // this first test program.
/////////////////////////////////////////////////////////////
< ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... so the fix for your program looks like:
... tell you that your original program has problems.
... extern data structures. In your program above, that's "ff_dkud3_Echo" ... declares that symbol to your test program:
[code]
... -
ZX Resets when loading programs?Hello, I have a weird issue with my new ZX Spectrum issue 2 16K. The ZX is in great condition, BASIC works and the RAM Diagnostic PEEK 23733 reports …
Pretty sure this is a lower memory problem, any way you can change the 4116 chips, or change the positions? Zxzigg has a memory test program try running that first. -
ZX Resets when loading programs?Hello, I have a weird issue with my new ZX Spectrum issue 2 16K. The ZX is in great condition, BASIC works and the RAM Diagnostic PEEK 23733 reports …
Aha! Success :D I downloaded Speccy tape for my iphone, and when I loaded the test program through the iphone to amp to ZX it loads! :) Thanks man -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... and try to foil the test program and let me know if ... enter "1e-12" in the test program you will get the expected ... entering "1e-12" in the test program or entering that hex string ... "0x0.b0523b1f1cP-36" into the test program you get:
1 ... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... updated. If you try the test program and notice anything wrong, do ... -
Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…
... after I sent someone a test program to run which did exactly ... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... showed up in a test program showing a 3d plot ... its size. Yet the program was fractionally slower than ... lot in this particular program. Floats are slow on ... practice people / machines generated test vectors, kind of like ... states in a sw program is huge and ... -
Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... the $4000-$7FFF range (a test program using the beeper like mentioned ... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... showed up in a test program showing a 3d plot ... its size. Yet the program was fractionally slower than ... lot in this particular program. Floats are slow on ... i.e. if a program produces completely different answers ... how parts of a program interact. I have seen ...
