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I'm writing an Operating SystemOkay this might seem like a bait thread, but I am legitamately interested in figuring out how to write a multi-process system for the ZX Spectrum (no…
... which points to the start of a BASIC program. At the very ... you should just make the multiple basic instances share the screen. ... disabled for the entire duration of the operation. With disk, ... assembler which will be capable of producing the extra binary ... -
Hacker QuestionHello hackers, as some of you might know, I am supervising the work on converting games from TR-Dos or TAP to the +D or Opus disk format for our SC…
... br />
Sinclair BASIC holds numbers twice in two ... /> ...then five bytes, of which 103,118 is interesting ... find hidden numbers in BASIC loaders, as a form of ... is a way of saving bytes in the BASIC loader?
find quickly on WoS:
in game screenshotsnow that everything is settling down could I add a request [-O< Could the new software pages have a "more in game screenshots" area that allows mo…
... slideshow, you need to find the nearest multiple of 256 (or 192) that ... Spectrum images is SCR, because of Flash and hidden pixels (attributes ...I'm writing an Operating SystemOkay this might seem like a bait thread, but I am legitamately interested in figuring out how to write a multi-process system for the ZX Spectrum (no…
... your relocation offset is a multiple of 256. The compiler itself cannot ... blocks (and subtraction!) the number of cases that need to be ... 77 FD [19] 348 ld -3 (ix),a
[/code]
of code has to be 'corrected ...Interesting crashesI had an interesting Spectrum crash last night, I think it was trying to tell me something's wrong or it's had enough of my games! Or it could be dow…
Reminds me of another crash in 48k mode.< ... mode. You get a load of stuff being printed from rom ... /> In 128k or +3 basic, there's less of a crash. It just ...Interrupt routineI have been trying to create an interrupt routine for playing AY music in the background but cant seem to get anything working. I have a music rou…
... table must start at a multiple of 256 and be 257 bytes ... high byte of the address of the table.
3. The jump ... really matter at the end of your interrupt routine. But as ... lock up, as the action of EI is actually delayed until ...Code optimisation! 16bit number to 5 digit stringJust for interest this one, any thoughts on how to make this as fast as possible? Little optimisations to this routine or a complete reimagining? …
... So in the different implementations of this algorithm, you have a ... The conversion method of repeated subraction by powers of ten, previously in ... dabble, the testing and addition of 3 before the doubling, is ... for larger numbers I can find on the web, rotates ...Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... s+2): LET s=s+3
404 FOR k=N ... br /> call $22df ;PLOT+3
ld b,(ix+0 ... ret
[/code]
The BASIC display loop uses DATA line ... br />
Deducting a 3.24 seconds overhead for the ... at the end of the BASIC program, the BASIC loop took 12 ...The ideal USB "emulation" joystick. I used to be happy using emulation with a Dual Shock 3 Playstation joystick . It works and has loads of control buttons that can be configured with…
... 8 years ago . One of my sons liked it , ... "usual problem" : that of the thin cable inside breaking ... where it came out of the controller at the ... simple job along the lines of :-
1) ... of the unit
2) Find the break
3 ...Getting Tasword to save to CF cardHey chaps I have a Plus 2 with a simple 8bit IDE interface installed. I was hoping I might be able to use the +3 disk version in conjunction with …
... to piece together the sequence of commands before I:
3) Copied the contents of the Tasword +3 disk to the ... /> 6) Saved the new version of the BASIC loader using:
[code ... to do is go into +3 BASIC and type:
[code]LOAD ...Scart Leads for spectrumHi, I was going through my stuff the other day and found I have all the bits for making spectrum scart leads. I was going to ebay them but thought …
... more than a proof of concept (hence the ... equally rubbish choice of cable) - so despite ... already doctored with a bit of insulation tape.
of the start menu - so I can go into +3 BASIC, ... do with the internals of the computers... because, ...Keeping Your Spectrum Original. This "thread" believes this is best approach to owning Speccies and will cater for all those who like a Museum Approach . How does one keep one…
... . Sometime it is unavoidable of making basic mods like a composite video ... output, because of limitations of other equipment ... . Sometimes it is impossible to find a spare part manufactured back ...Test your emulator with one damn tricky TZX file!Some time ago I got hold of this tricky TZX file with a custom [i]super[/i] turbo-loader. [i]The load time is 18 seconds (!)[/i]. Until recently, I w…
... one byte denoting the length of the description (32h in this ... by the description itself.
3. ID 15 (direct recording block ... importend.
makeing a file 3 or 4 BITS shorter is ... chunks that aren’t a multiple of eight (bits) [i]in a ...ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next
... considered in the development of the architecture of the ZX Spectrum, and ... relationship to the development of the architecture of the ZX Spectrum.
basic to be split between a ... not sure what the value of 3 AY chips is either - there ...What is it exactly about that Spectrum that you like so much?I'm sure that most people here will agree that there's something very special about the Speccy, thats why we visit WOS afterall... But what why has i…
... PC, I can't think of how you would easily replicate ... the change and then think of how to make it work ... . Thats what I liked about Basic on the Spectrum. You could ... you could find them which often was a function of the Basic (?) but ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... , which shows a dump of Palettes & Graphics that ... how they repeat in multiples of 16, with some colors ... can have a maximum of 3 gradients per 16 color ... The same happens to some of the enemies, which use ... MAME feature also allows to find out, that the ROMs ...SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... handling easier.
3) It is thought that there ... interfaces offering a wider range of compatibility (across all Spectrum ... br />
8) The orientation of the interface itself . Which do ... depth) But can you find one of these that has this and ...ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... 1FFDh (8189) controls several aspects of the +3. Amongst other things, this ... port is write only, the +3 BASIC maintains a variable, BANK678, that ... bottom three bits (0..2) of this port (1FFDh) are used ... In normal mode, high bit of ROM selection. The four ROMs ...Short Sinclair BASIC tutorialsHello, if anyone is new to Sinclair BASIC (the built-in ROM one) or feeling the need for a refresh there are (currently eleven) quick 'Under 5 m…
... . However I can only find 5 files on Basic showing up. Nor ... Posts" link near the bottom of the page. It's a ...z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …
... having to write a basic loader which can make ... got rid of the jump to the basic isr because the ... basic isr conflicts with ... being set by the basic isr so as you ... moving tiles on screen instead of 3 with these changes.
...Reading Disks via ASMI'm hoping to port my Amstrad game to the spectrum (See the link in my sig for info) I will be targeting the 128 and +3 - the game will not work on …
... routines on page 210 of the +3 manual can be called ... de=address,
f$=string of length to read into f ... =address,
f$=string of data to write from f ... " section and click on "+3 BASIC DOS_Demo". Also on there is ...Input command in 128K BASICHi, Is the input command different between 48K BASIC and 128K BASIC? I'm typing in a missing listing from the TypeFantasic and using 128K BASIC…
... command different between 48K BASIC and 128K BASIC?"
... boths versions of 128K BASIC (Toasty/+2 Grey vs. +2A/+3) used ... the 48K BASIC ROM to execute the majority of BASIC's commands ... and functions, except in the case of ...The ZX Spectrum as a Business MachineMaybe it is time to treat this"business" side of the Spectrum more seriously . What spurred me int action was the arrival in the post today (from Eb…
... . So there was a lack of official BASIC commands and machine code ... 1 and Microdrives, the syntax of the commands was a bit ... remember.
Meanwhile, Sinclair of course was promoting the QL ... system (choice of 5 1/4in drive or 3 1/2in drive ...Serious facts about the ZX Spectrum Serious fact Number 1: It is a business machine. From an article about and interview with Sir Clive ( by Mike Cowley) Sir Clive says here:-"Nor…
... m thinking of Z88DK which doesn't, I find that ... are useful, I'd find it much more difficult ... miss them (Boriel basic is kind of a midway point ... it before or couldn't find it in his listing. ... do things than basic provides. Of course, basic did not stand ...Serious facts about the ZX Spectrum Serious fact Number 1: It is a business machine. From an article about and interview with Sir Clive ( by Mike Cowley) Sir Clive says here:-"Nor…
... such a huge choice of them, nor that WoS ... forum and lately WoS most of all.
... So I was totally unaware of the whole retro revolution, ...
However the fun of Sinclair Basic (having used it for the ... them a bit. Hence you find me here today[/i] ...What is the maximum fps the spectrum can achieve?I have been doing some reading and from what I understand the Spectrum outputs a PAL signal, but that means it will display @50fps or @25fps? If t…
... nailed it with the format of 3 PUSH-tiles per row. It ... /> Meanwhile, you're guaranteed to find yourself being increasingly surrounded with ... all sorts of issues you'll have ... like map/tile format. Find out 3 most frequent tiles on a ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... for this issue you'll find tons of posts from people who ... mean, I've had plently of games being glitchy or crashing ... :Arkham Asylum. Got this probably 3 years ago and never got ...ZX Nuvo 128..Hi There, I have built the ZX Nuvo 128 by Superfo, but it has a problem. The machine is working, but the video signal is completely bonkers. I've …
... forget to ask on +2/+3 mode can see the MMC ... two cards on the bottom of main menu you see
can i access MMC from +3 basic? and if yes how wat ...What can I do with this donated Spectrum?Hi All Recently I was given a modified Speccy +2 to join my 8-64bit collection of retro computers/consoles. It took me a while to get up to speed…
... /> The boot process of the +3, and hence also of the +3e, is ... "DISK" which must be a BASIC program; if found, it loads ... br /> In step 3, the 'normal' operation of ERR_SP is restored so ... just an extension of the ERR_SP scheme, since in +3 BASIC, (ERR_SP) always ...Strange behaviour in very simple ASM program.Someone sent me this and it shows something strange. Here's the BASIC listing [code] 10 CLEAR 32999 20 FOR n=33000 TO 33009 30 READ a: POKE n,a …
... memory just beyond the end of the basic program.
I ... the stripes on the +2A/3 enabled me to figure out ...
