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“Incorrectly” nested FOR NEXT loopsWay back when I was young, and I was experimenting with BASIC programming, I had to try some of the things that you are not supposed to do. This incl…
... do. This included mis-using FOR NEXT loops including the kind of thing ... shown below:
[code]10 FOR A=1 TO 3
20 FOR B=1 TO 3
40 NEXT A
50 NEXT B
[/code ... -
Using FOR/NEXT like 'while'I don't know if this has already been discussed (I did search, but the search engine didn't like the word 'while'), but here's a way of using a FOR/N…
... a way of using a FOR/NEXT loop like a 'while' loop ... an example of using a FOR/NEXT loop like a C-style ... 'while' loop. Waits for e or E to exit ... TO 9: NEXT d: NEXT i
[/code]
The FOR d loop ... ").
I use while loops quite a lot in PHP ... -
DIM and FOR, NEXT loopHi there. I'm making a program with 100 items on screen using dim and a for next loop. The thing is, each time I want to manipulate the items I do an…
... screen using dim and a for next loop. The thing is, each ... the items I do another for next loop which is slow(even ... my program
210 for g=1 to 50: if ... )=0
215 next g
320 for g=1 to ... );ink 5;"1"
325 next
there are ... -
z80 Helper?When you are programming with z80 do you get 'lost' you are in the middle of making a routine and you can't remember which registers are holding val…
... what you need to use next at some point in your ... is done rarely or outside loops it may be acceptable. If ... /> all three would be needed for 3 nested loops for example
but there ... granularity called overlays. You can, for example, write a game logically ... -
Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…
... the same polarity might come next. Sure, sometimes the first ... Andrew Barker;528480]Now the next turbo data block was inserted ... basic block, and around 20ms for each turbo block.[/QUOTE]
FOR/NEXT TZX loops as that's fairly ... -
Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…
... the same polarity might come next. Sure, sometimes the first pulse ... of the data is finished. For example, the ROM routine uses ... of it may be used for automated process, some steps involve ... take the approach of generalized FOR/NEXT TZX loops as that's fairly ... -
z80 Helper?When you are programming with z80 do you get 'lost' you are in the middle of making a routine and you can't remember which registers are holding val…
... Does anyone have a procedure for storing a temporary variable? one ... all three would be needed for 3 nested loops for example
but there ... it is pointless to optimise for RAM because that would make ... the same memory address for two different temp storage ... -
"TommyGun" gets a complete MAKEOVER for next release ...From the author, Tony Thompson ... """""""""""""""""""""""""" [B][I] I hadn't worked on the TommyGun editor for while. But when I got sick (about …
... ones could be mosiac, AutoMasking (for sprites etc) and color replacement ... The plugin system I wrote for work, also supports Microsoft Visual ... when I put out the next version of TommyGun. I wrote ... Delphi experience to write plugins for TommyGun.
I ... -
Suggestions for next phase of Full-Price World Cup?By 6:25pm on Saturday 28th the voting closes for the 8 initial group stages of the Full-Price World Cup. The next part will consist of 4 groups of 4…
... Saturday 28th the voting closes for the 8 initial group stages ... World Cup.
The next part will consist of 4 ... ]1.[/B] Should the votes for this stage continue to be ... length of time to vote for the next stage should be less ... -
BASin gets its (profile) sums wrong (sometimes)I often use BASin to time pieces of code, and I've found it to be useful, but I was testing a routine earlier, which took less than 2 seconds to run …
... .
[code]
100 FOR R=0 TO 20
101 FOR N=1 TO 32: PRINT ... ;r
200 NEXT n
201 NEXT r
[/code ... time being assigned to the "NEXT n" statement. I couldn't ... doesn't calculate the timings for nested FOR...NEXT loops very well. -
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... 6kb buffer. Whenever the next text fragment would overflow the ... at the start of the next line.
[*]As ... [*]Uses TXT2Emu {..} hex encodings for graphic & non-printing characters ... a big series of nested FOR...NEXT loops which illustrate the indentation. -
cant format answereHi all, I am writing a short basic program that will convert a frequency to a length. 10 print "Spectrum antenna length conversion." 20 let w = 468 …
... due to its own imprecision. For example, with f=5 the ... . This entails messing about with FOR...NEXT loops and IFs; which is why ... mind-bogglingly complicated series of nested DEF FN statements ... -
Programming Books for Kids - Whats happened to programming?What has happened to Programming in the 00's :( I remember at the tender age of 9 exitedly going to my library to get one of them colourfull program…
... 'm working with say nested loops I am able to ... wrong :) But it is odd that I use the ... a better routing for the buildings plumbing (odd thing badly routed ... solved as well, ditto odd numbers of bricks unless nice ... round odd numbers like 5 or ... -
Programming Books for Kids - Whats happened to programming?What has happened to Programming in the 00's :( I remember at the tender age of 9 exitedly going to my library to get one of them colourfull program…
[QUOTE=Winston;311659]2. For loops counting in increments of two.[/ ... for/next loop, and use the logical operator AND to perform the odd ... /even filtering:
[code]1 FOR f=1 ... TO 100: PRINT ("Odd: " AND (f/2 ... -
How do you start?ok just humour me, ive always wanted to code but never got round to it apart from the real basics ie:- 10 print "hello" 20 print 30 goto 10 i coul…
... recognizing some obvious patterns like for instance, BASIC programs use ... certain things repeatedly you use FOR-NEXT loops. Etc etc. The more ... feel confident about using them next time!
One ... can print both even or odd numbers depending on what ... -
FOR 1 TO 0 - Execute "no times"?I checked a couple of basic variations, and generally a for loop executes at least once, even if you create a negative loop without step -1. But in s…
Sinclair Basic is "odd" in that most Basics will execute FOR/NEXT loops at least once, checking the termination condition at the NEXT, but Sinclair Basic checks the termination condition at the FOR and has the possibility of executing zero times. -
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…
... /> .detect_pilot_pulse_cp:
;; compare against min loops for a pilot pulse, adjusting
odd or even number of pilot ... ; store this single edge counter for next time
jr nc,.detect_sync_loop ... -
ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…
... /> The ZX81 (or the Spectrum for that matter) doesn't have ... a Graphics card was available for it, so can only ... the next position. I don't know how ZX81 handles Nested Loops though ... , it's fairly straightforward stuff for it to ... -
ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…
... the next position. I don't know how ZX81 handles Nested Loops ... though, it's fairly straightforward stuff for it ... to extract individual bytes. For example a 4x6 character definition ... pixel as a number, for even a simple 64 character ... -
Bored of the Rings coded messageI was browsing [url="https://tcrf.net/"]The Cutting Room Floor[/url] recently and stumbled upon the entry for [url="https://tcrf.net/Bored_of_the_Rin…
... /> The program uses only two FOR loops, to select word & character ... also need a series of nested loops, so that each character value ... hard code a set of FOR loops to handle the longest word ... of base displacement.
REM For extra words, add DATA on ... -
ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…
... br /> [*] for/next, repeat/until, while/wend [b]loops[/b] (at ... local labels
[*] Nested [b]anonymous procs[/b] with ... instances of loops
[*] Compatibility features for assembling [b ... ] (multiple machines, exsDOS, Next support) and [b]jsspeccy ... -
What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... with a checkerboard background - as for a desktop wallpaper.
nested loops. The innermost fills across a ... to the display file. The next loop (four iterations) repeats these ... loop counts down and repeats for each third of the ... -
Sinclair Answers Issue 1 up for grabs Scanned in Issue 1 of Sinclair Answers and have just uploaded it to the site. Anyone who wants the issue I have stuck it on ebay at 99p starting fo…
Scanned in Issue 1 of Sinclair Answers and have just uploaded it to the site. Anyone who wants the issue I have stuck it on ebay at 99p starting for next Sunday.
Good condition and one careful scanner! -
ZX Adventure Club - next month's gameHello, all I hope you are all managing in the lands of [I]Monster[/I] and managing not to get killed too often or too confused by the stone with the…
... I mentioned the playing-period for [I]Monster[/I] ends on ... start playing a new game for either two weeks or the ... a particular company or owt for next month so I am opening ... lot. Vote for any game you want to play next month here ... -
Retroeuskal: Looking for a Spectrum introHi. I don't know if anyone knows Euskal encounter, a party celebrated in Bilbao (Spain). Last year we were 3.000 attendants, and this year, the orga…
... of new hardware and software for retro-machines,...
for all attendants. :)
In the next edition ( ... speccy. We are looking for people who would like to ... good beginning for this project and an incentive for next editions.
Painful for Italian Football[url]http://news.bbc.co.uk/sport1/hi/football/europe/5164194.stm[/url] Three teams relegated but two with severe points dockings for next season.(Ch…
... two with severe points dockings for next season.(Champions Juventus at ... from playing in European competitions for next season.
... Inter and Roma, in next years Champions League and the ... br /> Not a good advert for the newly crowned World Champions ...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…
... left hand verge on the next line, we need to ... ;point to left verge on next line'
Insert line ... code's equivalent of a FOR-NEXT loop, djnz.
djnz ... .
If it is odd, lower the road position in ... /> (To test the last bit for odd and even we use 'and ...The Spectrum screenshot odd-one-out round - easy skill levelYou know how in the (British) program "Have I Got News For You" they have an odd-one-out round, where they show you four photographs, and you (well…
... Got News For You" they have an odd-one-out ... is the odd one out, and why?
For example, ... we were fighting for. And the odd one out was ... a Spectrum version? Here, for your delectation are some ... game is the odd one out, and why. For example:
...Asking for help: ZXBC to ASM routine translationHallo, In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler [code] sub light(x as uinteg…
Hallo,
In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler
[code]
sub light(x as uinteger,y as uinteger,intensity as ubyte)
dim adr as Uinteger
if xSelf modifying code ??I made a game in C that was mostly accessing arrays and using FOR NEXT loops, I ran out of memory, so I was thinking would it be possible to use sel…
... mostly accessing arrays and using FOR NEXT loops,
I ran out of ... code so that say 20 FOR NEXT loops use the same code?
loops and arrays every time they ...
