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Compatible SpectrumsFollowing some recent coding exploits I've been thinking about compatibility of various models of ZX Spectrum. Yes, it's a common question on the for…
... +2.
Unless my memory is wrong (it's very ... the memory contention issues. The +2a/+3 had different pages of contended ... />
Of course, if my memory serves me wrong, and in ... -
new anagram testhi i have made a new test this is more difficult then the last one here i took fairly known spectrum games and made an anagram of them in each questi…
... /> i have made a new test
this is more difficult ... pay attention
in this test there is 60 minutes to ... -
Testing the Ram on a Toastrack 128KHi All My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background scr…
... memory, is there an app that will run a read/write test ... can russle up a basic test program, never did get my ... -
Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…
... or 128/+2(grey) is contended and uncontended ports.
... half of all ports will contended (slow down by ULA). ... =1, ports is slow (contended)
If A15=1 ... A14=1 and fast memory page is set, ports ... and slow memory page is set, ports is slow (contended)
... -
Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …
... .uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and ... -
Memory SticksI know some of you keep old PCs alive. 72 Pin Simms I've got half a dozen, some in pairs. Any interest and I'll try and figure out what they are. …
... will take PC100 if the memory switches down.) - Lowest prices paid ... -
Spectrum ethernet... step 1.1Yeah, a tenth of a step :-) Here's the W5100 board up and WORKING: [url]http://www.alioth.net/tmp/w5100-online.jpg[/url] This is called the "Get Th…
... to load new code into memory.
So I hooked ... up! Then I put a test program onto the ALIAC-2 ... -
Quick test (2)Could I ask any 128 / +2 / +2A / +3 owners to test the new version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]fusetest[/url] on thei…
... / +2 / +2A / +3 owners to test the new version of [url ... -
new word association testhi there is a new word association test although not all the questions are word association but most of them are. the link to the test is here: [url]…
... is a new word association test
although not all the ... .
the link to the test is here:
[url]http ... -
New (easier) speccy games testI've created a new speccy games test: [url]http://www.sometests.com/tests/Gaming/ZXSpectrumGamesTest_EasierVersion_.html[/url] Again it's 20 questi…
... created a new speccy games test:
[url]http://www ... -
So who needs a 3.5 GHz dual core Core 2 Duo......when a 6MHz Z80 will do for a multi-user server? After hacking about more with the socket library - I had 4 simultaneous users on ALIAC-2 via eth…
... steps - put the W5100 to test, and then figure out the ... in indirect mode rather than memory mapped mode. I've also ... been looking at what flash memory/static RAM I'd like ... -
Faulty +2 Grey :(Hello everyone... i was trying to fix a +2 grey board the other day, i had it for some time now. It gave a black screen (paper and border) with two …
... /> I thought it was a memory problem, since i tried known ... .
So i removed all memory chips and installed chip beses ... i have in order to test the faulty one's chips ... afraid it could be a memory controller chip so there is ... -
Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…
... a problem with the high memory of a 4B issue.
memory and one of them was ... changed the wiring for the memory settings from OKI and H ... />
If i insert the memory from a working speccy (with ... -
Adventures in Programmable Logic Part 2So, now armed with an Xilinx Parallel III cable, an XC9536 CPLD, a breakout board with power, a JTAG pin header and a 44-pin PLCC socket, I could try…
... ).
So my little test project was to make a ... needs to:
- contain the memory page registers for the flash ... -
It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
... this prototyping session was to test my concepts of the ... I knocked up a quick test ROM, and wrote it to ... flash - the test rom just prints "I trapped ... can find a location in memory which no one *ever* ... call. I'll probably test this concept this week.
Ethernet: Memory prototyping...Spectrum Ethernet blog updated: [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] Summary: 1. A rubber key expanded to 304k. 2. RE…
... /> 3. Through port compatibility ... sniff test worked.
4. 3.3v ...problems using new TRD files within emulatorsDear folks! As you may know, I'm working on the TRD file support for my ZX-Modules programs. For validation - I need a good emulator that supports …
... want to write a simple memory dump to disk using the ... /> RANDOMIZE USR 15619: REM : SAVE "test" CODE 16384,40000
Bizarre stuff in Interface 1's shadow ROMAccording to the Complete Shadow ROM disassembly, the function that exits back to the BASIC interpreter after interpreting IF1 commands is this: [co…
... /> 0018 CHKSYNTAX BIT 7,(FLAGS) Test bit 7 of FLAGS.
memory address via HL, IX or ...Jesus! I STILL can't complete this game!Thought I'd give "Beach Buggy Simulator" a wee go, after having been reminded of it in the "game that made you a Spec-chum" thread. My one over-ridin…
... " thread. My one over-riding memory of the game was that ... -diagnosis was put to the test, however, after it took me ...Memory paging in 128 KB - 64KB RAM possible?I have found a quote in Spectrum 3 manual (available at WOS) -------------------- In the +3, we have crammed in more than twice the amount of memory…
...
twice the amount of memory than can comfortably fit. While ... the processor) always 'sees' the memory as 16K of
ROM ... program to "disconnect" the ROM memory completely and to write to ... the lowest 16 KB of memory with proper paging?
I ...Packing numbers in as least memory as possibleI am writing some code for drawing vector lines etc. on the screen. These need to be stored in memory and I want to pack them in a smaller area as po…
... need to be stored in memory and I want to pack ...Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... an ACE allowed me to test the memory and I/O mapping ...Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…
... debugger, select Edit -> Fill Memory Block. Apart from the fact ... Hello Dunny > C:\temp\test.tap[/CODE]
Now open ... and repeat the CAT 1 test it will work fine.
Anyone know a game with an in-game screenshot but no loading screenshot?I'm looking at fixing up my Vista "view a random game from WoS" widget since the current version leaks memory. ([url]http://www.worldofspectrum.org/f…
... since the current version leaks memory. ([url]http://www.worldofspectrum.org ... situation, so that I can test it?Help with the MSX pleaseI've been waiting for several Ice Ages to play Abbey of Crime in English on the Spectrum, but I've finally accepted that the English conversion is ne…
... stop with an "OUT OF MEMORY IN LINE 50" error. I ... altered the MSX model, the memory (128, 256 and 512) and ... game that I downloaded to test the emulators. However, I downloaded ...DJNZ e ProblemI'm trying to write the DJNZ e instruction as part of the development of my emulator and can't get it to work. Here is the in and out states of Phil…
... out states of Phil's test suite for DJNZ e (0x10 ... 132 T states
Memory: 0x00, 0x10, 0xFD, 0x0C
Memory management in new IDE interfacesHi all, I have a question concerning the memory (RAM) management of the new mass storage devices like ZXCF+ or others. The mostly come with 512kb o…
... have a question concerning the memory (RAM) management of the new ... is now, how is the memory paged in or out or ... does the Speccy address the memory? Is this done in kind ... of memory areas or something else? My ...ROM test cartridge (Ian Logan)?I am trying to find out anything on the Rom Test Cartridge issued by Sinclair Research, for diagnostic testing of the Spectrum. I believe it was issu…
... out anything on the Rom Test Cartridge issued by Sinclair Research ...Test your PC keyboardPlease test yout PC keyboards in ZX emulator. Searches for the appropriate keyboard for real ZX Spectrum / ZX emulator. This is keyboard tester: [url…
Please test yout PC keyboards in ZX ... show active keys. You must test all this keys combintions.
(cursor test)
LEFT+UP+0
