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Contended Memory woes...Hello All, An iccle problem I have and was hoping one of you fine WoSers could bail me out again... :) I've noticed that my emulator is running sli…
... an issue with the contended memory not working as it should ... ]
I implemented contended memory simplistically but I'm wondering ... slap on the appropriate amount from the look up table using ... -
ZX NEWS from CZ/SKI don't know what thread to use, so I'm trying to post it here. I've been at Spectrology 2013 meeting in Wittenberg/Germany last weekend and people t…
... informed about ZX scene news from CZ/SK and Poland, ... the original DivIDE for more memory (those not compatible DivIDE+, ... small scene dentro
- Jiiira from oldcomp.cz forum designed a ... podminky.pdf[/URL]
- _dworkin from oldcomp.cz is developin a ... -
Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…
... after another, then recalling them from BASIC and "pouring" their contents ... the bank I previously read from wouldn't get damaged.
from each bank into bank 0 ... /> I understand loading data into memory banks is easier because all ... -
A few questions about ZX Spectrum assemblyHi, I have a few questions about ZX Spectrum assembly language programming: - What's the best assembly tool for ZX Spectrum? I tried a bit the ZXSpi…
... assemble directly to memory and then run programs from Basic. It gives ... to define .Byte, .Word and string variables but I have no ... -
Simple memory transfer routineI'm looking for a simple memory transfer routine that shifts 32 bytes of data from the address HL is set to 55143, I have tried using LDIR, but cant …
... simple memory transfer routine that shifts 32 bytes of data from the ...
ldir ;load 32 bytes from level x 32 to 55143 ... -
SpecBAS 0.800 Released!Hi folks, it's that time again for another release. I was going to add a few more features, but I have other projects on the go at the moment, and it…
... />
Anyway, get it from here:
[url ... /> More optimisation to internal string handling
You can, ... regular string slicers
Streams can now access memory banks ... were overruning their allocated memory
PRINTing at ... -
ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... ULA gets confused by the memory refresh cycles of the Z80 ... CPU interferes with the video memory address generated by the ULA ... ULA reads the data from an unexpected memory location (which still belongs ... ' value.
3. Run a string of NOPs for the duration ... -
Toastrack/Grey +2 physical memory layoutI'm looking to extend the functionality of the test ROM used with Winston's diagnostic board to also properly test the RAM of toastrack and grey 128K…
... the display).
However, from looking at the technical and ... clear to me how the memory is physically laid out.
from the docs is as follows ... what corresponds to contended/uncontended memory.
Could anyone fill ... -
From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... />
- I make a bucle from 0 to 159 bytes for ... .
- If this byte readed from RAMPEEK v$ dir RAM...
string "video buffer" for paint whole ... -
Loading data from 128 memoryAfter all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory. How do I go about implementing this in…
After all these years I have come across the LOAD! in 128 basic for storing/restoring data in the 128 memory.
How do I go about implementing this in machine code?
Thanks in advance... -
WOM Memory Signetics 25120 Series 9046NHello, here: [url]http://www.ti.com/ww/en/bobpease/assets/www-national-com_rap.pdf[/url] at pages 128 und 129 you can find information about a very …
... information about a very usefull memory that unfortunately is not (more ... the "Number of remaining pins" from the "Number Of Socket Insertations ... -
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…
... I've been investigating contended memory timings on the Timex Sinclair ... in port F4 when applying memory contention; contention is applied whether ... at those locations.
From the design of the kludge ... it seems that TS# coming from the SCLD goes low at ... -
Repton ManiaHi all, I am the creator, and look after, the Repton Resource Page ([url]www.reptonresourcepage.co.uk[/url]). For the site, I have written a freely …
... tracks are identified by the string "Track-Info", which ... .
.bin Memory
Offset Offset Description
memory
0x0A826 0xD60A Passwords ... ordinates are worked out (from the memory address):
15 14 ... -
New from Paul Farrow, the ZXC4This is exciting stuff!!!! Sorry if ive stepped on your toes Paul, wanted people to hear about it!!! [QUOTE]Hi I?m happy to announce the release o…
... character set bitmaps down in memory (hence improving program compatibility).
from the Spectrum ROM.
Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…
... 0 #rectangle we are copying from
self.destXPos = 0 ... the registers to populate screen memory
numRegs = min ... binaryY = binaryY[::-1] #reverse the string
screenAddrBin = '010' + ...Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... single INC instruction to go from one character scan to ... displayed:
[code];Taken from The Incomplete Spectrum ROM Assembly ... Y2 Y1 Y0
Memory address (ZX Spectrum arrangement)
from the X,Y coordinates ...New Game: Escape from Colony 8[I]I can't really tell what happened, when they first attacked our base or where they came from, but Colony 8 is lost. My only chance is to get to ha…
... base or where they came from, but Colony 8 is ... get to hangar and escape from this nightmare. I just ... ]
[B]Escape from Colony 8[/B]
memory and I had to cut ... .usebox.net/jjm/colony8/"]Escape from Colony 8[/URL] (get ...ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... raster and ULA contended memory emulation for original 48k and ...
1. Contened memory is emulated as described here ... raster/contended memory
Mike & Ellvis from ZeroTeam: ... valuable insight into contended memory topic and useful discussions ...SpecBAS 0.844 releasedHi all - it's been a while... Having some unexpected extra time off work, I've been able to get some work done on SpecBAS and it's now a bit more …
... />
Get it from: https://sites.google.com/site ... /> Assigning a string to a sliced string array member works properly ... Array copying MAT a()=b() memory leak fixed
TOKEN$ ... disarray, causing issues with string array assignments
...Contended memory and TritoneQuick question regarding contended memory...<div style="font-style: normal;"><br></div><div style="font-style: normal;">I'm testing ideas with Triton…
Quick question regarding contended memory...
I'm testing ideas ... the player code after 0x7fff memory address and the data in ... contended memory, and it doesn't seem ... code is being run from non contented memory, so I think it ...Memory testersHi, Just wondering which software people are using to test the memory in their spectrum. I have been using Zorn's memory tester as described here:…
... are using to test the memory in their spectrum. I have ... been using Zorn's memory tester as described here:
from my personal archive on my ... or snapshot without getting warnings from the emulator. The snapshot does ...Sinclair QL bad memoryI googled around trying to see if there was a resource for this but didn't really find anything specific. I have a QL with the white screen proble…
... screen problem which indicates bad memory, so I plopped a ... addresses of the bad memory...Problem is that doesn' ... help me identify which IC memory chip it is. Is ... who could tell me from the screenshot below what ... good chip on each memory chip but the only ...Tasword file format - for transfer to/from PCHaving worked out that it's dead simple to load in and read .TXT files from the memory card on a DivMMC Enjoy!, I'm keen to see what else can be done…
... and read .TXT files from the memory card on a DivMMC Enjoy ... transfer of data to and from PCs. Given that Tasword's ... program to save and load from the memory card and stick .TXT ...Britsoft - Read-Only Memory Publishing"Britsoft" by Read-Only Memory Publishing is their latest book charting the rise and fall of game development in the UK from the early 80s to the end…
"Britsoft" by Read-Only Memory Publishing is their latest book ... game development in the UK from the early 80s to the ... a companion piece to the "From Bedroom to Billions" documentary.
48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …
... of the 48K Memory Map.
From reading elsewhere I ... have this as the memory map:
23755 to 65367 - Available Memory
65368 to 65535 - ... area '23755 to 65367 - Available Memory'
Also what ...Something is missing from my life.I've been bandying around with the idea of why it's just not quite the same, even when playing Spectrum games as it was back in the eighties. . A…
... games were amazing. Only a memory problem could give you back ... 've turned off fat loading from my emulator.
I waited ... be in 'real' time starting from now. Now could be 'May ... pick of the best from 1982 to choose from.[/i]
TommyGun with Debugginghttp://goo.gl/HfSXev?gdriveurl Ok, so this is a pretty big release for me and I have added a lot of stuff into the code editor. Mainly of course …
... will reset the game (emulator) from the start.
Pretty ... accurate.
Does not have memory contention.
Does not ... file
o Added Debug string support
Uses rst ... :
Add "debugstring.asm" from Libary to your project. It ...Speed (nano seconds) of memory chips ZX SpectrumThe ZX Spectrum uses 4116 memory for the lower memory, which can be replaced by other sorts or a whole, modern, module, but when searching for 4116 m…
... ZX Spectrum uses 4116 memory for the lower memory, which can be ... but when searching for 4116 memory, what speed in nano seconds ... />
Same for the upper memory:
TMS4532-3 Texas Instruments ... and some refresh rate derived from that, but I actually ...Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…
... .
Lower and upper memory modules from... http://zx.zigg.net/
from... http://www.retroleum.co.uk ...Ordered tapes and memory links.I did something a bit sad this evening... In the old days of Spectrum, I used to keep my tapes in those little plastic cases / racks from woolies.…
... those little plastic cases / racks from woolies. I use to keep ... a game from that list, I get a very strong memory of ... in order to keep the memory link up:
I went ...
