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Implementing goto on error condition...OK, so when I'm reading a file or directory on a network filesystem, when I reach EOF, it's not actually useful at all for ZX BASIC to stop the progr…
... I exit the EOF handler routine. There must be something extra ... -
2 questions about matrix and string handlingI was never good at understanding how to do something random in Sinclair Basic without repeating something that was already done. Had problems unders…
... the hidden words? Does such routine need to check A$ character ... -
Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…
... trying to understand why the routine crashes after the music stops ... like to add a short routine to stop the playing and ... output (just prior the "finrsi" routine)... The Problem is, I don ... can put after this key routine to get it to return ... -
Volunteers for a Speccy news twitter stream?It bothers me a bit that with the slowdown of activity on raww.org, there's no regularly-updated English-language source of Speccy news on the intern…
... a break from your usual routine at all); there's a ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... ' (in our case a BASIC routine) is 'ret'.
Click on ... 'djnz fillscreen'
Because our routine will continue from the loop ... keypress to 'brake')
;wait routine
ld bc,$1fff ;max ... bc ;save score
;wait routine
ld bc,$1fff ;max ... -
some debugger in emulators that is able to brakpoint when a mem address is accessed ?Is there a debugger (disassembler) available in some emulator that is able to stop (breakpoint) when a particular memory address is accessed ? For e…
... other words, to see what routine is responsible for that memory ... -
ZX81 software interupts?One of the ZX81's main improvements over the ZX80 was the NMI, allowing for SLOW mode and therefore animated graphics/games. But I read SLOW mode ra…
... , but use a software interupt routine (just like the ZX80 did ... -
Req' Help with Random numbersHello all, im new to the forum, i hope im putting this in the right place ... I would like to ask a question in the hope someone will be able to as…
... to write in Basic, a routine that can choose at random ... -
Z80 'EXX' ConfusionI was working on a little Z80 routine last evening, and, having run out of registers, resorted to sticking one of the values into a memory location a…
... working on a little Z80 routine last evening, and, having run ... .
I got the routine working, but then wondered if ... , but ran into trouble. My routine would run and apparently do ... -
Need help with interrupts againI'm fighting to understand how interrupts code handling works I'm trying to set my simple own interrupt routine, as I don't want to be dependent on …
... set my simple own interrupt routine, as I don't want ... variables normally and Basic interrupt routine overwrites this memory.
routine does nothing, just returns.
Name that game: loading routineName that game but with a twist. I remember loading a game and it had a strange loading (protection?) scheme. It played normal when loading up initia…
Name that game but with a twist.
I remember loading a game and it had a strange loading (protection?) scheme. It played normal when loading up initially, then it went to a black/red or blue border. Before the leader tone for the loading of the screen ...About wireframe 3d animationAre there any demos or games that have very long 3d animation sequences? Some games have short, repeating animations and I only know of a demo (somet…
... or complex and the drawing routine was faster than the ROM ... using a separate machine code routine? I'm thinking of Sprite ...many scr files to tap fileguys, I know that threads like this have existed in the past, but i'm gonna try to get a video onto speccy. The +3e to be exact. figured i'd use full…
... loading. maybe throw a im2 halt in between each one and ...Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…
... from buffer to screen after HALT.
Am I doing ...Game & Watch - Fire RC-04The original game. [IMG]http://i432.photobucket.com/albums/qq45/FrankT4/fire.jpg[/IMG] My speccy conversion progress. [IMG]http://i432.photobucket.c…
... bouncing men. And a crash routine now.
Its not ...Making BASIC occupy less RAM?I risk being told to search the forums and the entire archive of type-ins, but here it goes... Is there any known utility to do all the hard work of…
... include a small machine code routine that would load a BASIC ... high RAM, and then a routine in BASIC (yeah, I'm ... using another small m.c. routine to save the modified BASIC ...Print at 128,87? :)The advanced search function didn't help me find the answer to this, and I don't remember seeing anything similar in magazines or books... so please …
... /> Can someone code a small routine that can print a character ... movement.
If such routine already exists, please point me ... />
I'm assuming such routine would limit x to 248 ...Screen to vector?I've found old topics covering this subject and even spoke to Geoff about this, but still want to ask a few questions. I've been playing with vector…
... />
I'm assuming such routine, either in BASIC or m ...JetSet Willy - Mirrored UniverseHello All, Thought you guys might be interested in what I've been doing the last week or so. Using the following documentation: [list] [*][url=htt…
... run a z80 map reversal routine before running the game.
The routine performs a rewrite of the ...Star Wars scroll/crawl/title effectI may have seen this type of scroll on a Speccy game before, but I've never seen it as a type-in or part of a cover tape. Does anyone know how to do …
... find a ready-to-use routine? I tried infoseek and the ...Searching inside magazine contents?Our friends in Spain have a search engine specifically created to find anything that was published on their main Speccy magazine, Microhobby: [url]h…
... find a particular segment, interview, routine, hardware project, news, etc. Is ...Spectranet updateWell, I've not put an update in here for too long, so here's a summary of what's been developing ... * A snapshot manager module. Basically, you can…
... library, such as a resolver routine (gethostbyname, to convert a hostname ...Bit functions speedI just stared nonplussed at the documentation for the bit functions. Apparently, if you're using the accumulator, using AND and OR is faster than se…
... a few hundred bytes of routine still; and finding a way ...IF1 and 48k Capacitor QuestionsHi, I am not very knowedgeable about electronics but I am willing to give stuff a go.. I have a microdrive that is not performing and for various r…
... will go through the format routine - flashing border, but when it ...Help fix this keyboard read program?This code runs in an interrupt routine with DI. What would be the simplest way of making it so it doesn't auto repeat a keypress? [code]keys: ld a…
... code runs in an interrupt routine with DI.
What ...Your views on...Jasper![url=http://www.worldofspectrum.org/infoseekid.cgi?id=0002580]Jasper![/url] One of the first games I saw by Micromega, but only watched someone play…
... had a very weird loading routine. To tell the truth, that ...SkoolKit 1.1In the past I've put posts like this in the Development forum, but Announcements is probably a more suitable place for them, because they're not dire…
... . Have a look at the routine at 28635 and see if ...PT3 playerHello, I need fast PT3 player. Can anyone advice if there is anything better than built in routine from VortexTracker? BTW, I am having issues with…
... anything better than built in routine from VortexTracker?
BTW ... having issues with PT3 player routine, music is completely wrong (notes ...Game MusicI'm looking at revamping the original version of football manager - I still prefer it by far to any later ones. I've done a few snazzy bits of graph…
... I've got a sprite routine working that I can completely ...The Grim Reaper is coming for your consoles...According to: [URL]http://news.bbc.co.uk/1/hi/technology/8556874.stm[/URL] [COLOR=Blue][B]"A gaming service that aims to kill off the traditional …
... won't be any significant delay between (say) you moving your ...
