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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 ... being run from non contented memory, so I think it actually ... -
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:
You might soon be able to legally get hold of System Shock!System Shock, the 1994 classic PC science-fiction RPG/first person shooter that's beloved by all five people who got to play it, and which has been i…
... soon.
The two concerns though are;
a ... was DOS only, needed stringent memory/TSR setups, and has a ... .
All of these concerns were fixed, in a downloadable ...48k Memory MapIs there a link or info anywhere that explains the 48k memory layout? My game uses double buffering and I'm trying to decide where the best memor…
Is there a link or info anywhere that explains the 48k memory layout?
My game uses double buffering and I'm trying to decide where the best memory location should be.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 Minerva ... you addresses of the bad memory...Problem is that doesn't ... help me identify which IC memory chip it is. Is there ... " a good chip on each memory chip but the only result ...Recommend-me-do - memory card devicesSo, both myself (with a +3 that has a dodgy drive) and my friend (with a +2) are looking at the various options for loading from memory card. What…
... various options for loading from memory card.
What do ... to find their way onto memory card?z88dk z80asm EQU?Anyone knows what is the deal with EQU directive in z88dk's z80asm? It should work, but in default, doesn't.
Anyone knows what is the deal with EQU directive in z88dk's z80asm? It should work, but in default, doesn't.Recreated ZX Spectrum thoughtsI have a recreated ZX Spectrum (and a Vega and a 48K with SMART) and while I know it is not well regarded I actually quite like it. The app is "ok" a…
... - fast CPU, decent storage and memory, wifi, network, HDMI etc. all ... could address a lot of concerns.
I am not ...No contended memory?Sorry if this is a stupid question. But I'm trying to learn more about the ZX Spectrum. If I had a stock 48k Speccy and I could wave a magic wa…
... magic wand to remove the memory contention, what software would break ...Manic Miner (slightly) Updated1. The new loading screen I put together [url="http://jswmm.co.uk/topic/68-alternative-loading-screen-software-projects/"]here[/url] has been used. …
... that would load all the memory which is not needed, in ... slightly to correct a few concerns
http://jswmm.co ...Z88DK binaries for MSDOS wantedHi all, I am searching for Z88DK binaries for MSDOS. Version 1.0 would be good for me, or other version, I will only use classic Z88DK part. Is fo…
Hi all,
I am searching for Z88DK binaries for MSDOS. Version 1.0 would be good for me, or other version, I will only use classic Z88DK part. Is for compiling in Android with Dosbox Turbo.New Game: CastawayI've released my entry for ZX Dev 2015 ([url="http://zx-dev-2015.proboards.com/post/748"]announcement here[/url]), a platformer for the ZX Spectrum 4…
... I've ever written), using Z88DK cross-compiler and the SP1 ... are basically consequence of the memory requirements of SP1. I guess ...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 ...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 - …
... the top of the 48K Memory Map.
From ... /> 0 to 16383 - Read Only Memory
16384 to 22527 - Display ... br /> 23755 to 65367 - Available Memory
65368 to 65535 - User ... area '23755 to 65367 - Available Memory'
Also what ...z88dk Font ChangeHi, I'm working in a couple of games, but Have someone some code to help on change the z88dk stlib font? Just one working example... Regard…
Hi,
I'm working in a couple of games, but
Have someone some code to help on change the z88dk stlib font? Just one working example...
Regardasz88dk TutorialHi, Could anyone direct to to a recent MS Windows based tutorial on getting started with z88dk. I know a small amount of C, so it's more the comp…
... tutorial on getting started with z88dk. I know a small ... />
http://www.z88dk.org/wiki/doku.php?id ... have to have the z88dk directly directory off the ... />
http://www.z88dk.org/wiki/doku.php?id ... />
http://www.z88dk.org/wiki/doku.php?id ...Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
... am a complete NOOB with Z88DK, I am trying to draw ... , paper and border work with Z88DK. I started trying to work ... the souce code below. The Z88DK compiler is the latest version ...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 ... refreshed, the contents of the memory will get lost? 15ns? ...
Same for the upper memory:
TMS4532-3 Texas Instruments ...Visual Studio 2015 and z88DkNot sure if this is useful to anyone but just in case :) I was about to embark on getting intellisense working for assembly... but that looked a lit…
... [url="https://sourceforge.net/projects/z88dk/files/"]download Z88 DK from ... , so change do_error found in z88dk\src\z80asm\errors.c to ...Some Graphic Coding & Audio help.Hello my fellow WoS'ers I am in the process of writing some code for graphical purposes - I have Z88DK raring to go but I do not know how to take…
... for graphical purposes - I have Z88DK raring to go but I ... to take bytes from a memory file and put them on ... in regards to the +3 memory area(s).
I ...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…
... regulator.
Lower and upper memory modules from... http://zx.zigg ...Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... command directly to the screen memory.
5 LET a ... into a different part of memory first then dump it to ...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.…
... , I get a very strong memory of the time and the ... in order to keep the memory link up:
I went ...Z88DK HelperThis is crossposted from the Z88DK forums. Announcing the Z88DK helper. I have created a compile string helper for the Z88DK compiler. This pr…
... compile string helper for the Z88DK compiler. This program should ... many options found in the Z88DK compiler.
The ... to cover everything as the Z88DK is a complex program. ... [/url]
The Z88DK helper program [url="https://drive ...Contended Memory, literallyDoes anyone else have the sort of memory where they have trouble just picking out info cold? I know we had a discussion about memory sometime last mo…
... else have the sort of memory where they have trouble just ... we had a discussion about memory sometime last month, but...
memory, but my brain wouldn't ... that's it, my association memory is broken. Its all there ...Contended memory article on WikipediaYeah, apparently there's one. https://en.m.wikipedia.org/wiki/ZX_Spectrum_Contended_Memory [quote] However, the ULA must wait for a Z80 read or wr…
... 's clock and access the memory. As the ULA has no ... advance, it relies upon the memory being available to read to ...New Game - Pietro Bros [z88dk/Nirvana+][b]PIETRO BROS[/b] Pietro and Luizo were transported to pipe world after eating some rancid mushrooms on his pizza. Help them to escape from th…
... /> This games was build on z88dk and using Nirvana+ for the ...Upper memory not available in issue 2A friend send me his issue 2 Spectrum for diagnosis. It boots okay but for some reason won't load games over 16kB. He sent also a Smart Card with int…
... ROM, which failed the upper memory RAM test, suspecting IC25 and ... high to enable the upper memory and under which conditions? Any ...128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…
... pondering on the 128k memory thing a bit, and ... br />
The 64k memory space is divided in four ... no way to page in memory there. Second chunk is ... Third is fixed to usable memory. Fourth is the bankable ... be in the always-resident memory (the fixed 16k + the ...128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... get my head around the memory contention issues of the various ... best use of the extra memory. I've searched the forums ... /> I can understand that the memory is divided up into banks ...
