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Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... and instructions: +, -, *, peek, usr, rem, list, print, goto, run, poke, if, and ... .
STOP n
Generates error n (numeric, use 10 for ... -
BASIC Keyword ReferenceRealised that the Sinclair Basic section would be a better place for discussion of BASIC keywords, so for reference the old thread is in [thread=2005…
... # : E : SYM + 5 PEEK : E : O
CLS ... br /> COPY : K : Z POKE : K : O
COS ... Y
INKEY$ : E : N TAB : E : P
... -
Looking for cursor routineIt's been a long time since I programmed a little bit in Basic, so I decided to create a simple cursor routine: [url]http://db.tt/SPnSdpx[/url] I k…
... , maybe selectable via one simple POKE before calling it
-OVER ... returns to Basic (maybe via PEEK?)
-Return to Basic if ... via PEEK). Maybe up to n keys could be assigned via POKE before ... -
Frank N SteinThis is an improved bugfix for [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0001849"]Frank N Stein[/URL] as discussed recently in [URL="htt…
... /infoseekid.cgi?id=0001849"]Frank N Stein[/URL] as discussed recently ... time. Fixed using POKE 26131, 3: POKE 26132, 16: POKE 26133, 8
Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…
... PEEK (f+2): NEXT f: POKE 40649,59: POKE 40654,23: POKE 40659,30: POKE ... 4eh ; pressed uppercase 'N'?
a4b6 20e7 ... 6eh ; pressed lowercase 'n'?
a4ba 20e3 ... 6eh ; pressed lowercase 'n'?
a4ba 20e3 ...storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…
... n)+CHR$ FN h(n)+CHR$ 0+",":
DEF FN p(a)=PEEK ... a+256*PEEK ... FN h(n))
GO SUB 9165: POKE a,b: POKE a+1 ... starts: ";mc'"NOT " AND PEEK (mc-2)13";"OK": STOP ... : LET va=23627: POKE da,0: POKE da+1,0: RETURN ...more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…
... ; modified in situ with PEEK & POKE (m$(n) can be referenced in ... PEEK a>=217 THEN
POKE a,PEEK a-201: POKE a+1,PEEK ... /> POKE a,PEEK a-150: POKE a+1,PEEK (a+1)-96: POKE a+2,PEEK ...A 128 Routine to Put Tokens in StringsI was writing a DEF FN on the +128k and decided that I'd had enough of not being able to put function tokens in strings without a great palaver and s…
... ):
LET la=256*PEEK (a+1)+PEEK (a+2): LET ll ... ae=a+4+ll: LET n$=" "( TO 4-LEN STR$ l ... n$;#0;n$;
9995 LET b=b+1: LET p=PEEK b ... -(p-t AND p=u): POKE b,p:
PRINT CHR ... /> DEF FN p(a)=PEEK a+256*PEEK (a+1)
[/code ...GEDit syntax highlighting for Boriel's ZX BasicHi! I just tailored this syntax highlighting code and would like to share with he community. Suggestions are always welcome, though the file works w…
... |undef|error|pragma|ident|if(n?def)?|else|elif|endif|line ...
pause
peek
plot
poke
print
randomize ...TRAILBLAZER 128k / GHOSTS 'N GOBLINS POKES PLEASEHi speccy chaps, i'm on the hunt for pokes again if anyone can help?! These are: TRAILBLAZER 128k version (infinite time) + infinite jumps if possib…
... jumps if possible.
GHOSTS 'N GOBLINS (invincible,...I have these ... the screen,...I need a poke that has no collision at ...Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
... 102 READ y
104 POKE USR "i"+x,y: REM ... 112 READ y
114 POKE USR "j"+x,y: REM ... 122 READ y
124 POKE USR "k"+x,y: REM ... 132 READ y
134 POKE USR "l"+x,y: REM ... 142 READ y
144 POKE USR "m"+x,y: ... READ y
154 POKE USR "n"+x,y: REM Vol ...Alternative to Poke 23659,0 to prevent a 'break in' to a Basic Program.Good morning everyone, My memory fails me these days but in the early days of programming I used to use Poke 23659,0 as a crude way of offering so…
... programming I used to use Poke 23659,0 as a crude ... of the order;
Poke xxxxx, Peek yyyyy (sorry to be so ...Random-Access to Microdrive FileI am working on a BASIC program to backup a microdrive text-file to standard tape array-file. To backup a text-file from one microdrive to a secon…
... )+PEEK a : REM DPEEK(a)
2 DEF FN m(n,d)=n ... /> 1230 POKE cha+24,254
1240 LET d$=INKEY$#N
POKE cha+12,FN h(511)
1430 PRINT #N;CHR$ PEEK (cha ... +593);
1440 RETURN
1500 LET n ...Ghosts 'n Goblins Invincy pokeHi chaps, I have 2 invincy pokes but both have issues, one still connects with baddies but keeps armour which is no good as an enemy can cause me to …
... , can anyone work out a poke that leaves you completely untouchable ...Randomised data samplingHere is something that could be written in BASIC, if anyone is interested. Lets say we want to sample a subset of a larger population, we can do t…
... /> 15 FOR n = 0 to 511
20 POKE poptab+n, INT (RND ... * 4)
30 NEXT n
110 PRINT INK PEEK (poptab+n)+2; "O";
120 ... NEXT n
[/code]
< ...Quiz V - the revenge of D`n`C Ok, 50 quick fire questions.. some cryptic - you`ll have un unravel the clues to get the game name, while others are description of the game. Ther…
... .
(2 points)
Fast `n` furious
Thunderceptor
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computers...
7: Fireworks everywhere ...Best Speccy ProgrammersRe-post from the thread "Who is your fav speccy programmer". It was getting rather unwieldy so I thought I'll post a new topic on this. So, after mu…
... was a commie :)
n why im at it... How ... />
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Dont Poke My Peek !!
Elite...David Braben has been telling various sites to pull any Elite files that may infringe his copywrite... Something to do with him releasing a "elite l…
... using Realspec in Pentagon mode.. n it looks very interesting. A ... ;)
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Dont Poke My Peek !!
[ This ...More random questionsWay back in the mists of time I remember reading a couple of articles in an ancient copy of Sinclair User, ZX Computing or the like (can't remember w…
... would be:
POKE (PEEK 23635+256*PEEK 23636) + 1,0
n=10 Or n=100 Or n=1000 Then Let ... DOPETHRONE": Next n: Go To 1
POKE 23756,100
n;"THE MIGHTY DOPETHRONE": Next n: Go To 1
The POKE ...Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... />
Associated keywords
OUT, PEEK, POKE
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OUT
20 INPUT ?ENTER A NUMBER?;N
30 LET B=FN ... A(N)
40 PRINT ?THE ... CUBE OF(space)?;N;?(space)IS(space)?;B
Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... =15
200 let n=peek vars+256*peek(vars+1)
1000 ... rem
1010 let n=n-hidden ...
1020 poke n,65
1030 poke n+1,hidden ... -3
1040 poke n+2 ...
