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How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
A useful thing to do to help " ... ) Optimise the undraw and draw routines. If you KNOW your sprite ... -
Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…
... contention necessary for the border routines to run properly? or do ... ?
Anybody got anymore useful tips or comments or even ... the right track would be useful.
With the screen ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... a lot of subroutines specifically useful to the spectrum which you ... 't believe a set of routines like this has ever been ... 'll find the two print routines in display.c and both ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... that a number of useful subroutines that perform tasks ... the first set of routines I wrote and this ... be seeing first. With these routines written (we'll call ... on these low level routines to do a lot ... sexy, just a bunch of routines of general, well, utility, ... -
GP2X or DS: which is best for the speccyHi - just joined but have been reading posts for years and I know ye are as passionate about the Speccy as I am! :-) I've waited so long to buy eit…
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... thin wrapper on libspectrum's routines up to do online format ... conversion for users would be useful - The only negative side, is ... such a service would be useful, given that the DOS/Load ...48K sound effectsAnybody knows where could I find some small M/C routines to play tiny beeper sounds I could use in the 48K version of a game? I don't want the 48K pl…
... you? I've included "Sound routines by Digital Prawn" in the ... found them useful!
They are very simple routines, but thanks ...What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…
... ability to add assembly routines inline is very useful, as has been ...Leave AY Chip alone guysWould you have a go at a child with down syndrome? No, thought not. AY has Asberge Syndrome, it's a form of Autism - think of that please before y…
... accountants could write meaningful and useful programs in a time when ... numbers. As a result sub-routines are now given names and ...IM instruction - danger Will Robinson!!! :)Here's something I've wondered about for years: On page 102 of "Mastering Machine Code on your Zx Spectrum" by Toni Baker, there's an instruction li…
... the standard ZX ROM interrupt routines.
in IM 2 ... of RST38. It's very useful for ensuring something happens every ...Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... =hth56.html#list"]*LIST[/URL] routines glued together with no amendments ... />
This bit of very useful information has been added as ...Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... few z80 m/c routines within the data that ...
One of these routines scans the VARS area, and ... cannot coax the routines into doing anything useful though. Further ... investigation would be needed to unravel what these routines ...Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... this would be useful to implement interrupt driven sprite routines.
Blok*Load on Multiface 128Spinning this off into a new thread to avoid cluttering up the original: [url]http://www.worldofspectrum.org/forums/showthread.php?t=17999&page=7[/u…
... />
StuBruise, that's a useful bit of hacking (even if ... Multiface's built in save routines?
Incidentally, I used ...Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... speccy. Tries to call ROM routines at $3c00 and $3c03. In ... the programs that does anything useful. It'd be great to ...New assember ideaAs i work with Eclipse IDE in my job i become more and more lazy. This leads me to idea that it is time to left Notepad+Tasm combo behind and move on…
... -- it plucks out the individual routines you use from the library ... want to write a generally useful assembler.
As ... also only plucks out these routines once so that another ... br />
z80asm organizes library routines such that there is only ...Blok*Load on Multiface 128Spinning this off into a new thread to avoid cluttering up the original: [url]http://www.worldofspectrum.org/forums/showthread.php?t=17999&page=7[/u…
... />
StuBruise, that's a useful bit of hacking (even if ... Multiface's built in save routines?
Incidentally, I used ... permission. The page IN/OUT routines from Fussload could be made ...Cross Platform DevelopmentWhat's the best way to develop cross platform apps? By best, the only limiting criteria would be "at no cost" :)
... / attribute address manipulation routines, floating point math routines (ROM or independent), graphics ... routines (line, circle, etc), sprite routines, etc in addition ... assembler it can be a useful learning tool to get something ...another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)
... no segmentation, and all gfx routines become [B]smaller[/B] and ... />
P.S. Also very useful would be ability to shift ...ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... and with some machine code routines from Bloodbaz, but I know ... lot better, professional and really useful. If you're going to ...ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... and with some machine code routines from Bloodbaz, but I know ... lot better, professional and really useful. If you're going to ...ZX Computing magazineThis is a new one on me, but seems to have had a fair run during ~1986/7. What are people's memories of it?
... series which I found most useful was the [url=http://www ... use the Spectrum ROMs calculator routines.Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…
... want to use the ROM routines for paging.[/QUOTE]
useful resource.
I had ...z88dk 1.8 releasedSince I am the most regular of the z88dk peeps to post here I might as well let you all know that v1.8 has been released. [code] A little later than…
... normal C linkage in library routines. Assembly subroutines are ideally suited ... map etc.) Actually, the asm routines that I've done for ... , etc and adding something really useful like the W5100 to that ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
... routines but it's still related to LFSRs and might be useful ...Specdrum 3 W.I.PIts a new app so i needed a new thread sorry :) I am sorry i have been neglecting this site and i have been working hard on Specdrum 3 Honest i hav…
... code and the original Specdrum routines.
2-For 128K ... quantizing. I find it very useful on real keyboards, and I ...FAST and SLOW .TAP loading in RESIDOSWhy is in RESIDOS this TAP file loaded always too slow ? (with lines in border area). Other TAP files on my drive is fast loaded, but loading this fi…
... BASIC). These are not useful things to do, because ... It's also a useful indication to show that ... zx rom ? All NMI routines in all used MB02 ... them - some have specific routines/data which must reside ... ;)
NMI routines in most ResiDOS pages just ...Another file format description pageDear Forum readers, I'm hosting another description site of ZX-Spectrum emulator file format descriptions, where you may find several file formats i…
... the information is not directly useful.[/QUOTE]
Yes, Laser ... similar formats may also be useful.[/QUOTE]
Indeed. A ... -interpreted from my file reading routines. In cases where there's ...Good 128k +2 emulator for Windows XPWhat emulator would you recommend for windows XP, to emulate 128k +2 Spectrum. I want to play Turbo Esprit like I did all those years ago! :-)
... debugger of SpecEmu are very useful for hacking/debugging. Its probably ... saving to tape with custom routines, its accurate and stable, never ...Good 128k +2 emulator for Windows XPWhat emulator would you recommend for windows XP, to emulate 128k +2 Spectrum. I want to play Turbo Esprit like I did all those years ago! :-)
... debugger of SpecEmu are very useful for hacking/debugging. Its probably ... saving to tape with custom routines, its accurate and stable, never ...
