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Sinclair ZX Spectrum BASIC programming manual...Hi Folks, Does anyone know how many editions of the Spectrum BASIC programming manual were released (the orange one that came with the 48K)? I seem…
... typos for example using ZX81 system variables e.g.
[img ... with the text featuring 'derby' (128k code name) and 'elgar the ... -
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... to overwrite the system variables from 23552 (48k) or 23296 (128k) then it ... -
Multiface 3 programming guide anywhere?I'm interested in the tantalising little bit of text at the bottom of my Multiface 3 manual (under the "Using 8K RAM" section): "Please send a SAE…
... unlocked, bit 4 is 48k/128k snapshot toggle.
200B: Screen ... own copy of the +3 system variables there and saves the originals ... -
BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... the same calculation as the 128k versions for placing the input ... only does it extend the system variables and add extra channel info ... are not supported in the 128k versions; I don't think ... -
Spec +3e CF Card interface working Great but a different problem popped upHey, just wanted to say thanks to everyone that helped me get my Spectrum +3e and CF card working. I've been playing on it all last night and this a…
... loading... On the +3, the 128k ROM is loaded first, correct ... Syntax ROM, for setting up system variables and other stuff that makes ... -
Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…
... you'll be fine on 128K machines. If you do then ... the print buffer for additional system variables. Also there's no reason ... -
.SNA snapshot compatability between esxDOS and emulators?Currently I am using a ZX Spectrum 128K (toastrack) with DivIDE Plus (with new GAL's) and esxDOS 0.8.5. It saves and loads 128K .SNA snapshots withou…
... on the ZX Spectrum 128K with the DivIDE Plus ... black 'paper', then the 128K Menu and the 1986 ... on the ZX Spectrum 128K with the DivIDE Plus ... on the ZX Spectrum 128k with SPACE pressed, I ... because it still has its system variables, etc, intact. But even ... -
128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…
... work, BUT- save all the system variables except the first 256 bytes ... not touching the printer buffer/128K system vars at all.
128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…
... /> ;; and system variables were dumped in 48K mode, so the 128K
;; editor ... seems fine on emulated 48K, 128K and Plus 3 Spectrums, whether ...128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…
... code saves on 48k/128k models in either mode ... on any 48k/128k model. A 128k save will load ... in 128k mode on the same ... models as the extra system variables area is incompatible between ... add a,d ;A =83 +128k; =65 +2; =233 +2A/+ ...128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…
[QUOTE=Battle Bunny;723094] A 128k save will load in 128k mode on the same model but not on other models as the extra system variables area is incompatible between models.[/QUOTE]
Which is why ultimately it's easier to force USR0 mode.Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... a proper CLEAR to set system variables like RAMTOP, ERR_SP.
128K spectrums in 128K or USR 0 mode ...Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... the game in the default 128k mode it would freeze when ... be memory paging code and system variables there. I think adding a ...Get starting address of gameHi, Anyone know how to get the starting address of a game? I've looked at the TZX format and couldn't see anything obvious. I'd like to load the…
... or a custom loader. On 128k models the ROM executes code ... the break address above the system variables at 23734.Get starting address of gameHi, Anyone know how to get the starting address of a game? I've looked at the TZX format and couldn't see anything obvious. I'd like to load the…
... or a custom loader. On 128k models the ROM executes code ... the break address above the system variables at 23734.[/QUOTE]
Which ...How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... less definable characters on the 128k models as they are replaced ... ).
Yes, on the 128k 163 & 164 are replaced ... pointing to it via the System Variables (23606 & 23607).How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... ).
Yes, on the 128k 163 & 164 are replaced ... pointing to it via the System Variables (23606 & 23607).[/QUOTE]
system font for copying text to ...TXT2EMU enhancementI was looking at the encodings supported by BAS2TAP for entering graphics, print controls, etc. as plain text. Basically, there's only one needed, be…
... the same set of system variables as the 128k plus the Microdrives won ...Sinclair 128k available?Hello there, Spectrum fans! Let me introduce myself. I am from Russia, my name is Dimitri. In the 90-s I was working for a firm producing ZX Spectru…
... agree that, nice as the 128K toastracks are to own, the ... don't have to POKE system variables to change the renumber parameters ...What is the "SPECTRUM" keyword on a 128K?The 128K replaced UDG characters T and U with new commands; PLAY and SPECTRUM (or possibly the other way around.) The manual ([url="http://www.wor…
... buffer and reset the associated system variables, so that needs to be ... 48k ROM page on the 128k models is not absolutely identical ... possible to switch back to 128k mode with the available commands ...DEFFNder: a small library of BASIC functions written in Z80I've published a small library of 15 Sinclair BASIC functions written in Z80. I wrote it last year for a project of mine. Some of them are generic, s…
... on the demo crashing on 128K.
Well spotted.
System Variables on 128K and caused a crash ...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…
If you target the 128K hardware, you have access to ... /data, and then overwrite standard system variables and basic program/data with ... I remember, there is no system variable that points to program ...Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
The attribute data actually begins at (base_screen_address+#1800), so if you're paging in the screens at #C000 this should in fact be #D800. Right now, you aren't updating the attributes, which isn't a problem for the normal screen since they are likely ...Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... that the 128 ROM system/BASIC is often a source ... it comes to using the 128K memory, like let's ... occupied by some sort of system variables etc. Or the fact ... I agree. I owned a 128K machine as a kid back ... realised what a minefield the 128K version is to navigate ...
