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Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... "+STR$ USR ellipse
h = CHR$ centre x coordinate - 0-255 ...
k = CHR$ centre y coordinate - 0-255 ...
a = CHR$ 1/2 length of x ... axis- 1-255
b = CHR$ 1/2 length of y ... -
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…
... DATA line with the correct CHR$ code following and in the ... /> PRINT "Line:";l;" replace:";CHR$ u;" with:";CHR$ t: PRINT n$;#0 ... 9995
9997 PRINT #0;CHR$ p;: LET p=p-(p ... ): POKE b,p:
PRINT CHR$ p;: GO TO 9995-(3 ... -
Andromeda Inc.Since there was a thread in the games section about Tarantula, I made a search and found the game [URL="http://www.worldofspectrum.org/infoseekid.cgi…
... FN P$(Y)=CHR$ 0+CHR$ 17+CHR$ 1+CHR$ 16+ CHR 7+ ("000"+STR ... FN P$(Y)=CHR$ 19+CHR$ 0+CHR$ 17+CHR$ 1+CHR$ 16+ CHR 7+ ("000 ... -
BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... AT j,0;CHR$ 143;AT j,15;CHR$ 143;AT 0 ... ,j;CHR$ 143;AT 15 ... ,j;CHR$ 143: NEXT j ... =0: PRINT AT y,x;CHR$ (144+d)
1230 LET ... AT ny,nx; INK 5;CHR$ (144+nd)
2010 REM ... -
Saving a file and removing the title (Program:)I remember when saving a program how I could construct a string such as: 10 let a$=chr$ 8+ chr$ 8+"name" 20 save a$ In order to remove the "Program…
... />
10 let a$=chr$ 8+ chr$ 8+"name"
20 save ... to save. I've tried chr$ 22+1+0+"name" but ... /> I have attempted to do chr$ 13+chr$ 11, but that doesnt ... -
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…
... ]DEF FN j$(s,l)=CHR$ PEEK (s)+VAL$ (("FN j ... ]DEF FN j$(s,l)=CHR$ PEEK (s)+VAL$ (("{A8} j ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
...
LET loc=VAL VAL$ (CHR$ PEEK (a-3)+"$"):
POKE ...SpecBAS 0.789 releasedHi all! Back with another SpecBAS release - this one's mostly just about sprites and bug fixes. One new addition I do quite like is the expression c…
... 45 or 1+4 or CHR$ 33 for example) is evaluated ...MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... +Vstep+Hstep+ATTR+ROW:COL+CHR$+0:1+ROW:COL
; CHR$ = graphic's character code
chr 0:1 row col
CHX editorIf you came in touch with the wonderful FZX and IZX file formats and their drivers, I was thinking about a small improvement: What about removing th…
... about removing the CHX and CHR map editing capabilities out from ... ) and make a standalone CHX/CHR editor with the functions you ... , I would only remove the CHR and CHX map editing, but ...Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…
How do you hide the 'Bytes:' when loading code?
I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appears at 3,0 and disrupts my screen!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…
Venturespeak Helplooking at the code from ZX Computing, October, November & December 1986. How do I make the code do more then 3 letters say 5. and could it be made …
... /> 60074 329DEB LD (CHR),A
60077 FE0D ... 60087 3A9DEB LD A,(CHR)
60090 FE07 ... 60114 3A9DEB LD A,(CHR)
60117 19 ... 60229 3A9DEB LD A,(CHR)
60232 D7 RST ...From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... v$(pos to pos+1)=chr$(byte)... but takes same time ...dumping protected BASIC loadersI wrote this a few weeks ago but forgot to post it. It will load & list from tape/TAP/TZX any BASIC program which has been saved with SAVE, including…
... bytes+10: PRINT INVERSE 1;CHR$ PEEK a;: NEXT a: PRINT ... c>=32 THEN PRINT CHR$ c;: LET a=a+1 ...New ZX Spectrum/ZX80/ZX81 emulator - ZEsarUXHi I invite you to try my new ZX Spectrum/ZX80/ZX81 emulator: [url]http://sourceforge.net/projects/zesarux/[/url] It's not really new, I began it …
... ZX80/81
Supports UDG, CHR$128, WRX, HRG and some ...New version emulator ZEsarUX 0.6Hi I have uploaded a new version of my ZX Spectrum/ZX80/ZX81 emulator. Changes are: Added ZX Spectrum smp tape loading (raw audio) Added Image stab…
... version
Fixed bug with CHR$128 and characters from 64th ...UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…
... /> Trick 1:
[B]print chr$ 144 [/B] [I]This prints ... 'A'[/I]
[B]print chr$ 145 [/B] [I] This prints ...Repton ManiaHi all, I am the creator, and look after, the Repton Resource Page ([url]www.reptonresourcepage.co.uk[/url]). For the site, I have written a freely …
... 0x5B00 Repton 2 maps, each chr is packed into 5 bits ...BASin + INKEY$ + SymbolShiftHow can I get BASin to recognise SymbolShifted keys with INKEY$ while running a program? The Help tells me that Control = SymbolShift, but I've tried…
... respectively. I tried using CHR$ instead (IF i$=CHR$ 201 etc.) but ...'Ocean Draw' instructionsHere are the instructions for the screen and sprite editor used in-house at Ocean Software, possibly typed up by Joffa Smifff (as the 2 of the sprite…
... />
1 -STORE A SINGLE CHR
2 -FETCH A ... SINGLE CHR
3 -SWITCH TO ...Fast Condition TestingHello my friends, I have been writing some input and string handling routines in BASIC lately - yeah I could write them super fast in C/ASM via z88d…
Soundex routineIn an idle 5 minutes I wrote a short routine to calculate Soundex codes using the algorithm described here: [url]http://en.wikipedia.org/wiki/Sounde…
In an idle 5 minutes I wrote a short routine to calculate Soundex codes using the algorithm described here:
[url]http://en.wikipedia.org/wiki/Soundex#American_Soundex[/url]
It gives the correct result for all of the examples on ...Podraz 4 codeHello, it might help to preserve the code required for playing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003790"]Podraz 4[/URL] somewh…
... ?id=0006471"]Indiana Jones a Chr?m zk?zy[/URL], but ...SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... were two characters in size; CHR$(1) followed by the character ... , and no longer require the CHR$ 1 prefix in a string ...
