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SpecBAS 0.718 Now AvailableHi Folks! After an appreciable delay, the latest and (dare I say it?) greatest SpecBAS update is now available. We're moving into modern times with …
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10 DEF STRUCT coord(x,y)
20 LET a ... $=STRUCT coord(x=100,y=100)
30 PLOT a$.x,a$.y ... ]
10 DEF STRUCT coord(x,y)
20 DIM a ... returns files matching a trailing mask properly - ie, CAT "chimes*" matches ... -
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 …
... in Z80 assembler for x,y axes from 1 ... ]http://www.neoloch.com/learning_lab/assembly/[/url]
... INPUT "Enter centre coordinates for:"'"x: ";cx,"y: ";cy'
"Enter 1/2 Axis for:"'"x: ";XRadius,"y: ";YRadius
X=X-xm: LET Y=Y ... -
Sudoku on ZX Spectrum 48KZX Spectrum 48К Sudoku game 25 years Spectrum and 300 years Leonhard Euler anniversary. 6000 (and more) puzzles, 8 levels. [url]http://www.t…
... +4;TAB 32-4;: FOR x=-1 TO 1 STEP 2 ... =2+8 TO 5+8: PLOT 128+x*o-2,y: DRAW ... 3,0: NEXT y: NEXT x
[/CODE] -
Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM. It only uses integer math and runs very fast and is very compact. It is…
... REM okrag
30 LET x=0: LET da=INT (r ... /2)
40 IF x>r THEN RETURN
Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
... you don't need to plot starting point for every line ... /> (px,py = plot y,x) (dx,dy=draw y,x) (*=a switch)
plot again to draw a new ...Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... /> PRINT USR plot, y, x, colour :
REM plot= 4x4 plotmc, ... y=ycoord, x=xcoord, and colour ... multi
20 FOR X = 0 TO 47
X,INT(RND*8 ) : REM PLOT Y,X RANDOM ... COLOUR
50 NEXT Y: NEXT X: PAUSE ...How paint in the down two lines ?The down two lines on the spectrum screen cant be used. But i remeber from the 80's that exist some code that allow us to paint on these two lines wi…
[QUOTE=arfgh;446112]not exist a way to plot or draw on these lines with basic only ?[/QUOTE]
No, the BASIC turns the Y-coordinates (AT Y,X starts at top, PLOT YDrawing 3D grids in Basic...This is probably very simple for someone who feels comfortable with Math, but it's driving me crazy... Let's say I want to draw a grid of 16 by 16 s…
... a point), and the plot & draw X values for the first ... between the top & bottom X values divided by the number ... of lines gives the X values for the left & ... TO 255 STEP 15.93: PLOT b,0: DRAW t-b ... .5*16 STEP 5.5: PLOT xl,y: DRAW xr,0 ...Drawing ovals...Hi Folks, Is it possible to draw an oval using the Sinclar BASIC DRAW commend and the 3rd parameter? I have been trying (and failing). Many thanks…
... combining the SIN/COS plot calculation with DRAW, in ... PLOT cx+x,cy+y: PLOT cx-x,cy+y: PLOT cx+x,cy-y: PLOT cx-x ... "Enter centre coordinates for:"'"x: ";cx,"y: ";cy ... 2000 IF StoppingX0 THEN LET X=X-1:
LET StoppingX ... 900
4020 LET X=X+1
4030 ...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…
... =Red]LET e=b(8-x+c*8)[/COLOR]
[/code ... with "LET e=2^( 7-x+c*8 )" would always be ... as well. Comparing them using PLOT (change my last listing by ... and changing line 6 to PLOT 255-x,175-y: RETURN) the ...Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... DEF FN d(w,x)=INT ((x-w)*0.9+0 ... br /> Convert HPLOT absolute X pixel coordinate to DRAW relative ... FN x(x)=INT (x*0.9+0.5): HPLOT -> PLOT
Convert a 280-col X pixel coordinate ... 175-y: HPLOT -> PLOT
Convert a 160- ...Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... instead of:
[code] PLOT x1exp,y1exp: DRAW x2exp, y2exp ... I would have:
[code] PLOT (x1exp)*0.9,175-(y1exp ... /> 6 DEF FN x(x)=INT (x*dp9+dp5): DEF FN ... READ x1,y1,draws: PLOT FN x(x1),FN y(y1):
x(x2),-y2:
NEXT ...Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... .
Whereas adjusting the X plots proportionally by 0.914 ... bit naff, simply constraining the X-axis to 255 shifted the ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... 45
20 LET x=127: LET y=0< ... 75
60 DIM x(level): DIM y(level)< ...
110 LET x(level)=x: LET y(level)=y ... 1
240 LET x=x(level): LET y=y( ... COS rotation*LONG+x
1030 PLOT 200+x,200+y: DRAW ... xn-x,y-yn
1040 LET x ...im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
... /> [code]
SUB planet(x as uByte, y as uByte ... big!
ELSEIF CAST(uInteger,x)+radius > 255 then return ...im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
... LET x=SQR ((r*r)-(y*y))
320 PLOT cx-x, ... cy+y: DRAW x*2,0: DRAW ... 1;-x*2,0
330 IF x0 THEN PLOT ... [/code]
Lines 100-120 plot some random stars in colours ... an increasing random amount then plot a point. Because it ...im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
... z=z-(RND*(1-(z/x))*r)
To ... IF z>0 THEN PLOT cx-x+(z*2),cy+y ... do:
320 PLOT cx+x,cy+y
Or ... to plot both edges:
320 PLOT cx+x,cy+y : PLOT cx-x ...Ant attack map in usable format?Does anyone have the map from Ant Attack in any kind of format (apart from the format called "the game binary"). I've rewritten the game using a vox…
... ("antattac.sna", "rb");
int x,y,z;
if ... ; z++)
{
unsigned char mask = (0x01Drawing LinesHas anyone got any experience of coding a Bresenham line drawing algorithm on the Speccy? I've had a go and I find the algorithm has quite a few s…
... DBCDONE ; while y > x
;
; Plot the eight sets of ... B,A
CALL PLOTSUB ; plot Xo + x, Yo + y
LD ... B,A
CALL PLOTSUB ; plot Xo + x, Yo - y
LD ... B,A
CALL PLOTSUB ; plot Xo - x, Yo + y
LD ...Pseudocode for CIRCLE algorithm?Can anyone provide me with the pseudocode for the Spectrum's CIRCLE algorithm? My machine code knowledge isn't up to reading the ROM routine. I'm try…
... /> ;
COORDS equ $5C7D ; Plot x,y values
;
DRAWBRESCIRCLE ... while y > x
;
; Plot the eight sets of ... A
CALL PLOTSUB ; plot Xo + x, Yo + y
... A
CALL PLOTSUB ; plot Xo + x, Yo - y
...Matchpoint ball algorithmAnyone has any idea how Psions Matchpoint ball algorithm works? Are they calculating the balls' parabola (floating point for just the ball doesn't se…
... /> while(true):
// only plot these if they are on ... p.x, p.y and p.z when you plot ... it or you can scale the velocity vector instead
plot ... (p.x, p.z) // shadow
plot(p.x, p. ... can add drag by scaling x & z by some ...Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... the X,Y coordinates of a pixel needs some rotate and mask ... often, except maybe for the PLOT, DRAW and CIRCLE routines, ... from The Incomplete Spectrum ROM Assembly
;http://www.wearmouth. ... [code]
;INPUT: C=coordinate X, B=coordinate Y.
;OUTPUT ...Drawing some spritesI figured I want to draw some sprites. My target was to do a 16x16 masked sprite. There's no clearing here, just drawing the sprites. My first ite…
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Turned inner loop to assembly, and got to 6 sprites ... add hl, bc ; add x offset
ex de,hl ... and (hl) ; and the mask
inc hl ; increment data ... /> ld (hl), a ; plot pixel to screen
inc ...Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…
... br /> - Test what step in X-axis you need for sprites ... 2-pixel step in x-axis, thus you need ... />
POP BC ; c - mask, b - graphics
LD A ... into tables. Excellent example is PLOT routine.
- ... bits by Baze, MSX assembly page is great and TI ...ANN: Tipshop updated Sunday, 30 October 2005Sunday 30 October 2005 Crivvens! What an indecently massive load of stuff this month - a veritable feast of tips, maps, POKEs and complete solutions.…
... Escape, The , Gunpowder, Treason and Plot , Gyron Atrium ,
Hacker ...
Prisoner, The , Project-X: The Micro Man , Prophecy, The ... Snow Joke! ,
Solvaldol-X , Souls Of Darkon , Spaceman Bob ... ,
I Of The Mask , Knight Ghost , Kosmic Kanga , ...Convert x,y to Attribute Address in AssemblyWhat is the fastest way, given x,y (in hl) to return the attribute address?
What is the fastest way, given x,y (in hl) to return the attribute address?
