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ZX81 Ram pack problemI got recently Sinclair 16k memory expansion for my ZX81, but for some reason it will not work. The computer itself is operating normally without hi…
I got recently Sinclair 16k memory expansion for my ZX81, ... br /> The computer itself is operating normally without him, but ... , like when the computer is off.
I have ... Of course, maybe ram pack is faulty, but it's weird ... how to find out where is the problem? -
off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…
... using an offscreen buffer is the memory copied to the screen ... top of the screen where you copy your buffer ... to,
it is 24 pixels high and ... that mean that the memory is organised so that its ... events that happens?
is it
draw background ... -
ripping music out of a machine code demoi want to rip the first track out of this demo. unfortunately i dont know how its called. ive tried randomize usr to various locations but it either …
... need to know where the first track is located (memory range) and how ... -
problem with symbol shift and caps shift key combinations on multilayer keyboard membranesHello, I know, it is generally know that some ZX Spectrums with multilayer keyboard membranes have problems with some key combinations. Typically …
... little and maybe voltage is not reaching needed level ... it depends on address where is instruction in a,(c) ... at any place in memory and run it from ...
It is very simple, pressed key is displayed as one ... pressed key C (which is connected in same column), ... -
Where to upload?Hi Where is the link to upload stuff not already on WOS? All I can find are link to add stuff to already existing stuff. Yes, I have been tryi…
Hi
Where is the link to upload stuff not already on WOS? All I can find are link to add stuff to already existing stuff.
Yes, I have been trying finding it myself, but no luck :-( -
Standard Development LibrariesSo after some time away I decided to re-register after a Twitter thread (https://twitter.com/SpectrumNez/status/1578158361236963328) led me to a Visu…
... all your standard things - where the video memory is, where the attributes are, how ... then.
The question is if anyone has seen such ... idea to make sure that is something available more widely ... things before but if there is anything more than just ... -
Where to get CodeMasters games?Prompt sites, where it is possible to download original games Codemastres for ZX Spectrum in the format tap or tzx.
... support for example my resource, where is asked it will be possible ... them?
The human memory is very short, and the carriers ... , the Network practically is eternal only.
That is why, I have ... -
Z80 to DSK?Does anyone know if there is a prog that can convert z80,tzx or tap files to dsk format? I have access to a friends pc that has a 3 inch drive which …
Z80 is a memory snapshot - hence it stores the ... the point in the snapshot where execution was halted. -
Anyone Recognizes This Loader?Hi there! I live in Argentina. I have a -dead by now- CZ Spectrum (a ZX clone made by an argentinian company, Czerweny, which used to make... Excell…
... the screen then a complete memory dump from 24576 to 65535 ... sofware would load the memory dump, compress where possible and then save ... the game would start from where is was saved.
... poke back to main spectrum memory and then continue loading the ... -
ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…
... /> ; next pixel down is 256 memory addresses ahead in memory not 32 means ... gaps in the memory, the next line down is
; 32+ ... the original address of the screen memory where we ... of another one!
; this is where you'd insert code to ... -
SPIN v0.2c available now[Cut n Paste from the CSS post] Okay, I'm off to sunny(?) Scarborough for a week, so Woody and I thought it best that we give you something to d…
... is inserted is that the file is opened, the entire tape is read into memory ... the emulation is performed using the memory image.
Where did you ... the tapes were writable? and where is this writeable checkbox?
Or ... -
"La Abad?a del Crimen" - English versionOK, I've started a new thread for this, as the discussion about "La Abad?a" in the [url="http://www.worldofspectrum.org/forums/viewtopic.php?mode=vie…
... case there is not loaded any status in memory and computer ... althought only inside the room where is Guillermo with any of these ... you save status in memory pressing symultaneosly SYMBOL SHIFTand ... />
Saved status in memory dissapear when you reset your ... -
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... is in:
IM 0 : an 8080 compatible mode where ... the interrupting peripheral is expected to ... 256 bytes of memory. This is not used in ... the unexpanded Spectrum there is exactly one interrupting ... . 17 cycles is from memory as I can ... -
TZX format updateHi folks. Following the private communication with Andy I would like to start a discussion on changing the TZX format to reflect new needs and improv…
... say about emulating ZX Supertape is perfectly correct. However I ... of where exactly in the loading routine the byte is received, or where ... in the memory to put the ... datablock if it is a ... -
ZX81 games on a Spectrum 128KI noticed on the Sonic The Hedgehog topic on the games forum there was a link to micromart, which in turn had this: [url="http://emul8.xlabs.sk/topga…
[quote]
On 2004-03-25 17:27, Yerz wrote:
Anyway it's interesting the ZX81 games require ZX 128K
[/quote]
Not particularly interesting, IMO. It's due to where the screen memory is mapped rather than anything else. -
ZX81 games on a Spectrum 128KI noticed on the Sonic The Hedgehog topic on the games forum there was a link to micromart, which in turn had this: [url="http://emul8.xlabs.sk/topga…
... . It's due to where the screen memory is mapped rather than anything ... -
InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... I've read there is restrictions on where it can go. I ... But if the table is in contended memory, some Spectrum models will ... the display. This is because during memory refresh the z80 puts ... into thinking there is a memory contention whem there is not.
< ... -
How many T-states takes PUSH DE ?Hi. Just a quick one. According to z80.info docs, a PUSH DE should take 11 T-States to be executed. But WHAT if SP is pointing to Contended Memory,…
... in contented memory but about SP pointing to contented memory, so, the opcode is read ... from normal memory but the ... data about writing to contented memory ?
This is a bit to confusing ... -
How many T-states takes PUSH DE ?Hi. Just a quick one. According to z80.info docs, a PUSH DE should take 11 T-States to be executed. But WHAT if SP is pointing to Contended Memory,…
...
(if Programm Counter is in contended memory then insert states)
(if SP points to contented memory then insert cycles)
(if SP points to contented memory then insert cycles)
Why do people around here favour Spin/Spectacular?I use Klive. I've never used either of the above two. Can someone tell me why they appear to be superior, is the author hanging around here somewhere…
... emuls had keyboard remapping. This is very important for me, ... RS, Spectaculator, Spin and EmuZWin. Where is "a lot new" ones? As ... had no slow memory, and their multicolor is another). And they ... the best emulator for Speccy is UnrealSpectrum by SMT. There ...Why do people around here favour Spin/Spectacular?I use Klive. I've never used either of the above two. Can someone tell me why they appear to be superior, is the author hanging around here somewhere…
... such ones in Windows (FUSE is not yet for Windows)
RS, Spectaculator, Spin and EmuZWin. Where is "a lot new" ones?
is.
[quote]
... clones had no slow memory, and their multicolor is another)
[/quote ...Emulation Feedback** Extended RTM sessions could over-tax the CPU.
... br />
Ok, as your memory is obviously lacking, these are my ... sampling rate - 79 Ts is 44100Hz or near enough). When ... /> [quote]
And where is timing? Why many function is stopped in real ... such as yourself can see where that comes from.
< ...New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... , after the 14th character is added I get an exception ... the main form some where.
Is there any reason why ... create many more characters than is currently present. Since the send ... BASin allows you to choose where in memory to place sprites, couldn ...Basic or Machine code?Hopefully the correct area of the site to post this question. Anyways, I have got hold of several books on programming my spectrum, and I was wonderi…
... , how do you specify where the translated code gets stored ... go at the lowest available memory address, or wherever one of ... the registers is pre loaded with?
... error (apparently ;)) in Tornado, but where is it stored?
I ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... :
1. Choose where in memory sp1's data structures are ... chunk of memory 9*SP1V_DISPWIDTH*SP1V_DISPHEIGHT bytes in size. This is where all ... should be placed wherever there is free memory.
With the ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... any assumptions about what free memory is available and how you want ... making up the sprite. Where does this memory come from? Yes, from ... begin, into main(). Main() is where all C programs start.
memory is not a pressing issue for ...Egghead IV on Zx Spectrum +3Egghead IV does not work on Zx Spectrum +3 in 128 mode. You have to switch to 48k mode or in "spectrum" mode. Do anyone know how to fix this (maybe …
... $ image to disk? Where is the game stored in memory, or shall I ... just save out the whole memory somehow? I only have a ...Xenon TriOxide (Xeo3)I just wanted you all to know that a new cross platform game has started development (well the +4 version has been around a while, but my colleague f…
... is that you need preshifted background which takes memory ... and levels tends to be rather blocky
second problem is ... RL(HL) is probably better for a shooter where is player forced ... /> btw. writting vertical shooter is much more easy on speccy :)Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…
... the history about this TS2068 is curious.
... br />
He is crazy about ships, boats, etc ... br />
So this is it. My TS was bought ... at the right specifications, where can I get one ... />
The XXXX is the memory adress? I can´t figure ...
