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Confounded DEF FNCan anyone see why this is going wrong? I've been tinkering with it since tea time and got nowhere. [code] 2 DEF FN t$(n,t,d) =STR$ INT (n/t)…
Rather than that unfathomable plethora of POKEs, the UDG area can be used to hold 21 single-letter variables which can be referenced in expressions and assigned values with LET, which is much easier.
[code]
10 DEF FN p(a)=PEEK a+256*PEEK (a+ ... -
I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... not a case of X, X, Y button bashing, but X, wait for the ... button to flash up) then X, wait etc...
This ... -
I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... not a case of X, X, Y button bashing, but X, wait for the ... button to flash up) then X, wait etc...
This ... -
Books that you just can't quit.Much as parts of the presentation,writing style infurates me, there is a book I just keep comming back to again and again. Its like the Yang to the …
... setorigin
160 DIM X(30): DIM Y(30)
169 REM ... regular N-gon in arrays X and Y.
170 INPUT "TYPE ...
200 LET X(I) = COS ALPHA: LET Y(I) = SIN ALPHA ... -
Problem With POINT StatementHello everyone this is my first ever post, So firstly i'd like to say hello to everyone and secondly thank you to the admins for such a great site, …
Job Lot of over 160 Items ZX Spectrum[url]http://www.ebay.co.uk/itm/Job-Lot-over-160-Items-ZX-Spectrum-C64-PS1-PS2-PS3-PSP-Xbox-Dreamcast-/161097186089[/url] ZX Spectrum games ATV Si…
... he blamed his wife for x,y and z.. and when I ...Job Lot of over 160 Items ZX Spectrum[url]http://www.ebay.co.uk/itm/Job-Lot-over-160-Items-ZX-Spectrum-C64-PS1-PS2-PS3-PSP-Xbox-Dreamcast-/161097186089[/url] ZX Spectrum games ATV Si…
... he blamed his wife for x,y and z.. and when I ...Lime Rick, like Snake but with gravity[B]Lime Rick[/B] by [url=http://www.kissmaj7.com/games/]Kissmaj7[/url] is an elaborated version of "I Left Myself Behind". It's a puzzle game with an…
... has a grid of 11 x 15 objects and the game ... other objects by co-ordinates (x/y in a single byte).Lime Rick, like Snake but with gravity[B]Lime Rick[/B] by [url=http://www.kissmaj7.com/games/]Kissmaj7[/url] is an elaborated version of "I Left Myself Behind". It's a puzzle game with an…
... other objects by co-ordinates (x/y in a single byte).[/QUOTE ...display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... be simply replaced with PLOT x,y which reduces the run ... 4 LET b=INT ((175-y)/8)
5 LET c ... =INT ((255-x)/8)
6 LET hl ... br /> 10 LET x=x1+xo: LET y=y1+yo: GO ... br /> 14 LET x=y1+xo: LET y=x1+yo: GO ... /> LET x1=r: LET x=x1: LET y1=0: LET ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... ; x, x', y
fxch ; x, y, x'
fgt 1 ; x, y, x', y
fabs ; x, y, x', abs y = y'
fadd ; x, y, x' + y ...Collision detection for interlocking shapes[SIZE=3][FONT=Calibri]I?m looking for some advice as I?m not sure how to resolve the following problem. I have an in memory structure that holds info…
... as below:
; Structure { byte x, y, w, h; word address; byte ...Maths problemHi guys! I'm having a bit of trouble with a small section of code in Basic. I am spinning a wheel around with numbers 0-9 on it (think of the code w…
... LET remainder = INT(maxnum * (X - INT X))
so for ... rounded down by mistake (so X - INT X + some_small_number).
...
remainder = INT(maxnum * (X - INT X) + 0.5) that will work ... though, C has x % y for remainder when x is divided by ...Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
... another stuff. The sprites NUM, X, Y are stored in a table ...array offset (z88dk)Im trying to simulate a 2 dimensional array by using an offset [code] #include <fzx.h> char scr[768]; int arrayoffset(char x,char y) { return (x*…
... /> char arrayoffset(char x,char y)
{
return ((x*24)+y);
}
void main()
{
char x,y;
fzx.font = ff_Swiss;
array offset (z88dk)Im trying to simulate a 2 dimensional array by using an offset [code] #include <fzx.h> char scr[768]; int arrayoffset(char x,char y) { return (x*…
... /> for (x=0; x!=32; ++x)
for (y=0; y!=24; ++y)
scr[y][x] = x;
for (x ...Code to test if a rectangle is in a rectangle[SIZE=3][FONT=Calibri]I am looking to write some code that will check if a rectangular shape is outside or overlapping a second rectangle. If the sma…
... 170 STEP 6:
PLOT x,y: DRAW 5,0: DRAW 0 ... 0,-5:
RANDOMIZE y*256+x: POKE 40000,PEEK 23670: POKE ... /> 22 OVER 1:
PLOT x,y: DRAW 5,0: DRAW 0 ... ,-5: PLOT x,y:
OVER 0:
NEXT y: NEXT x
Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…
... ][code]LET x=x-( INKEY$ ="5")+( INKEY$ ="8")
LET y=y-( INKEY$ ="6 ... $
LET x=x-(a$="5")+(a$="8")
LET y=y-(a$="6 ... ").
The variables x & y have to be pre-declared ...Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…
... $
LET x=x-(a$="5")+(a$="8")
LET y=y-(a$="6 ... ").
The variables x & y have to be pre-declared ...array offset (z88dk)Im trying to simulate a 2 dimensional array by using an offset [code] #include <fzx.h> char scr[768]; int arrayoffset(char x,char y) { return (x*…
... MIN(x++, y) is a nightmare! EDIT: Since if x < y then x is ... incremented twice! If x >= y it is ...array offset (z88dk)Im trying to simulate a 2 dimensional array by using an offset [code] #include <fzx.h> char scr[768]; int arrayoffset(char x,char y) { return (x*…
... calculation for static vars x,y or constants x,y. Inlining will cost more ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
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 …
... x(x,y,d)=FN a(x,y,FN r(d)):
DEF FN a(x,y ... ,r)=x*COS r-y ... *SIN r
4 DEF FN y(x,y ... ,d)=FN b(x,y,FN r(d)):
DEF FN b(x,y ... ,r)=x*SIN r+y ... =FN x(a( ...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 …
... x(x,y,d)=FN a(x,y,FN r(d)):
DEF FN a(x,y ... ,r)=(x-x0 ... )*COS r-(y-y0)*SIN r ... y(x,y,d)=FN b(x,y,FN r(d)):
DEF FN b(x,y ... ,r)=(x-x0)*SIN r+(y-y0)*COS r ...really dumb questionbut can I use the following line to create a udg and if so how do I call it or use it via the graphics mode? Do I need to READ something somewhere? …
...
oringinally it was x but I thought maybe that ... issue as I am using x,y as variables elsewhere in the ...
