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ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... Spectrum test board should have:
[list][*]Be an issue 2 ... between BASIC and a system test program in the EPROM.
[*] ... service manual).
[*]Have test links that can easily be ... modified.
[*]Have suitable test points/sockets/pins so it ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
David Saphier provided a screen shot of my simple test program and it shows a sequence of 15s before reading the display memory. The final attribute byte at 23295 is 56 (57 when read). Why 15? Dunno!
http://oi66.tinypic.com/2n8of9e.jpg -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... screen shot of my simple test program and it shows a sequence ... 15s before reading the display memory. The final attribute byte at ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... ]version 1.2[/url]. I've added an additional memory-related test as ... a sub-section inside the main test. This ... or may not do with memory r/w. These are of ... a scan.
The memory test is initially disabled, and can ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... set display freq at 1/2. the flicker goes away.
But, if I load the test program again, the flicker disappears again ... -
The Crystal MazeDear WOS, I thought about conceptualising a Speccy game based on the classic 1990s game show "The Crystal Maze", which has recently returned to TV…
... up four", L-2 means "Go left 2", and R-3 means ... /> Mouse? Yes.
[b]Memory Test: [/b]
ALSO new to ... : [/b]
This is a memory test, where the player must discover ... -
ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
... short, if I replace the 2 ic's in ic5& ... ic6 the computer fails the memory test.
It really baffles me ... -
Hacking the ZX Spectrum 48K ROMHi Guys, I have modded my Speccy with a dual boot ROM loading on first bank the original ZX kernel and on the second bank an enhanced version. I h…
... moving routines around in memory for example. If you ...
1 = BLUE
2 = RED
3 = MAGENTA< ... 3: Paper
Bits 2-0: Ink
[/code ... tweak the initial memory test routine to fill memory with $FE ... instead of $02 and test on ... -
1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…
... scrolling shooter basically, there's 2 boss encounters with the same ... 's a bit of a memory test, if you know the order ... little slapdash, but for under 2 quid at the time no ... -
Alternative to Poke 23659,0 to prevent a 'break in' to a Basic Program.Good morning everyone, My memory fails me these days but in the early days of programming I used to use Poke 23659,0 as a crude way of offering so…
... memory.
IIRC you couldn't use CLS in your program ... normal by POKE 23659,2 within the program.
[b]10 ... 0
60 POKE 23659,2[/b]
To demonstrate ... 22,0 ; "whatever"
23659 ,2
When you can ... -
What's The Hardest ZX Spectrum Game You've Completed Without Cheats?What is the most difficult ZX Spectrum game you've completed without cheats?! Mine is Impossaball by Hewson which I actually managed to do for the f…
... for anything and everything then 2 words came to mind.....Camelot ... />
Past level 2 it's a memory test, all the way to ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... /> ║ 3: @23296-23552 program will scan for continuous block ... program will error
║ 4 : @16384-32751 user specified memory ... 1: force 16k. Clears top 2 memory banks to remove erroneous data ... in upper
║ memory for 16k games. Helps ... -
Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …
... /> ║ 3: @23296-23552 program will scan for continuous block ... program will error
║ 4 : @16384-32751 user specified memory ... 1: force 16k. Clears top 2 memory banks to remove erroneous data ... in upper
║ memory for 16k games. Helps ... -
48K Issue 2 RAM issuesI have 48K issue 2 board (I've checked, the upper memory is present!). It's not very well. I've not attempted to diagnose one before, so please bear …
... /> 7 6 5 4 3 2 1 0
...
Different bits are 2 & 3
... anything in one of the memory locations used by the ... fine.
The test that the machine does when ... NOT a full memory test. It is rather, a test to find ... -
Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... the ula manages access to memory for the display generation and ... the thread for azesmbog's test program. The ula tests except fpga48all ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... +2A and +3 ASIC, when memory paging is enabled, will return ... from, or written to, contended memory by the Z80, but with ... of the original floating bus test program which was used to create ... there anymore.[/quote]
Which test are you referring to? Hikaru ... -
New emulator: InkSpector 2Hi, The first preview of InkSpector 2 is available from www.inkland.org.uk/inkspector/inkspec_2.0.0.27.exe It's a brand new emulator with all …
[quote="azesmbog;959058"]checked 2.0.0.28 version.
... game TV Game
in 2.0.0.27 version it ... a link to a border test program that behaves differently in .27 ... -
FIY: inconsistencies between different versions of Pasmo.I don't know if this has been reported before, but I recently changed from Pasmo 0.54 to Pasmo 0.60 and "suddenly" there was a bug in my program. …
... ;967081"]Pasmo tokenizer (0.5.2. or 0.5.4 something ... with the provided foo.asm test program ;) -
Possible missing items...I've been going through some tapes I now have and found at least a couple of interest. I'd be grateful if anyone can give me some feedback before I …
Longest Speccy Game?Most games were a memory test, 3 lives and back to the start if you failed. Longevity came from repeating the whole thing until you got bored complet…
Most games were a memory test, 3 lives and back to ...What's so special in Lotus Esprit?Lotus Esprit quite often appears in games. There are at least 2 Speccy games with this car (Turbo Esprit and Lotus Esprit Turbo Challenge) and many m…
... games. There are at least 2 Speccy games with this car ... other platforms (Lotus Challenge 2 & 3, Test Drive series etc.). What ...First steps in Z80 machine codeI never got into machine code much back when I had a speccy, as I didn't have any development tools at the time. The only machine code I'd previousl…
... wrote a little pacman-like test program, here I have a snapshot ... best way!)
The program uses keys QAOP
ZX Spectrum and (real) B A S I CSometimes ago there was a thread "how spectrum changed your lives". Another thread dealt with "how to copy spectrum screens using basic not using co…
... hardware control.
2. To just program a complicated device using ... like to learn how to program a computer with a real ... PC works or how to program it.
And that ...Spectrum +3 Lightgun helpHi everybody, I've a light gun for Spectrum +2A/+3 never tested. Can someone write here a small ZX-BASIC test program helping me to understand if it …
Hi everybody,
I've a light gun for Spectrum +2A/+3 never tested. Can someone write here a small ZX-BASIC test program helping me to understand if it correctly works?
Thanks
dg+2A keyboard - different matrix effectMy friend test keyboard on ZX128+3, ZX128+2A, ZX128+2B and matrix effect (multikeys combination with mirroring) work incorrect (different as on origi…
My friend test keyboard on ZX128+3, ZX128+ ... as on original ZX48/128/+2). Please test +2A/+3 keyboard with ... ) on yout +2A/+3 and test this keys combinations:
[url ... +9+0
sursor test:
LEFT+UP+0
2+3+5
2+4+5
Correct flag response to BIT n,(HL) etc.When running the test program suggested by Arjun (thanks again), all intructions are passing the flag tests except the BIT n,(HL), BIT n,(IX+dis) and…
When running the test program suggested by Arjun (thanks again), ... .
I have run the test program on Sinclairean (I like the ... fails RLD,RRD because the test program expects the PO flag to ...Sevenup problemCan Sevenup import pictures bigger than Spectrum screen (256x192 pixels)? The version I tried didn't told me directly that it isn't possible but the…
... wondered why putting into Spectrum memory such big pictures I can ... /> - big picture stored in memory and program displaying a window, part of ...ZX Spectrum + Issue 6A Repair attemptHello everybody! I got ZX Spectrum + which doesnt work properly. On power up I can see color mosaic, then paper goes black and i can see thin red ba…
... see thin red bars from memory test. It stops here with black ... ,TR5), so I suspect upper memory block. I dont know how ... IC27 instead to disable upper memory block ?
