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Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... Heels. The routine is quite fast and returns a reasonable random ... instances the required return to BASIC with a decimal fraction between ... return that value to the BASIC program.
As ... br />
Here's the BASIC timing routine which I use ... -
Hey grandma!HOW TO SUCK EGGS! I always wondered about that saying 'teach your grandmother to suck eggs'! Blow them, yes, but suck? If you've never blown an e…
... re getting into coding in Basic, squared (graph) paper ... edits trying to shuffle lines so they break evenly ... is the best for PLOT,DRAW epics. Using it you ... lines. DO NOT attempt to enter a vast PLOT,DRAW ... mainly thanks to quirks in Basic working out what the ... -
Using BASIC from Machine CodeHi Folks, Came across a very interesting article by Toni Baker in Your Spectrum: http://www.users.globalnet.co.uk/~jg27paw4/yr11/yr11_66.htm …
... /> LD HL,TEXT
CALL BASIC
RST 8
DEFB ... 255
BASIC
PUSH HL
CALL ...
TEXT
DB "DRAW 50,50",13,0
ZEsarUX-7.1Hi! There’s a new stable version of ZEsarUX, version 7.1! The next 24th of September it will be 5 years old :) So this is a special anniversary…
... tokens), .baszx80 (Basic ZX80 with tokens), .baszx81 (Basic ZX81 with tokens ... ), Z88 basic files with tokens ... br /> Improved my Cursor Draw program: now you can use ... : now can have more lines than 22, doing scroll< ...Drawing 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…
... can write optimal algorithms for lines that slant up or down ... , lines that are steeper than 1: ... optimal purely horizontal and vertical lines, but I'd like to ... get those shallow diagonal lines going as fast as possible, to start ...Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... "experiment" in Sinclair Spectrum 48K BASIC.
https://drive. ... main use is for 16 lines scroll.
-The management ... of a character variable for fast printing big sprites (6x6).
fast the action key when the ...BASIC compo on our Facebook page - join in, win cash!1st - will receive £50 2nd - will receive £20 It's been a few years since our game competition, so I think its time for another! This time t…
... the player to reach a fast enough momentum to beat a ... code must be 100% Sinclair BASIC no MC***
You ...Writing faster BASIC programsThere was an article in INPUT years ago, that I thought I'd share again some of the tips from it and link to the article, as it contains some good ad…
... on ways of writting your BASIC programs that they run faster ...How to return to basic properly from ASMI am messing around with a fast stack copying routine. But I am getting "A: Invalid argument" error when I later return to basic. I know you h…
... am messing around with a fast stack copying routine.
But ... when I later return to basic.
I know you ... IY register before returning to basic but my code at the ... as IY when returning to basic. I think one of the ...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…
1: What came free with the Nov 87 issue of Your Sinclair magazine that provoked outrage by many parents?
(1 point)
Copy of Viz comic book
2: Two games on one cassette. Fly a magic carpet across Bagdad is one, the other is ...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…
... games.
(2 points)
Fast `n` furious
Thunderceptor
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Fast and Furious,The Fast and the Furious are ...ANN: Write Spectrum Games in C with speclib121 Announcing the sprite pack C library for the z88dk C cross compiler available from: [url="http://justme895.tripod.com/main.htm"]http://justme895.tr…
... wishing to progress from Sinclair BASIC. If I can find the ... . You can produce fast code (though not as fast as assembler) in ... access, tape loading and basic graphics primitives (circle, draw, plot, etc, and ...Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…
... know if it will be fast enough, screen compilers sure ... as hell arent fast enough so i wont ... with 2 screen$ with fast load and autorewind oing a ... i hope it works, dark basic and db pro just dont ... for that i would just draw on art studio more often ...Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…
... sometimes in a emultor with fast tap laod with load "" scren ... . gotcha. i found that color draw program. err, any idea how ... Pro is written in Dark Basic Pro, so it will work ... DithvIDE program from C to Basic, please contact me.Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... rotated sprites.
The draw algorithm draws directly on screen ... the sprites, especially in the fast moving sprites.
... coding by typing DATA into BASIC ;)
[/quote]
... save it to tape from BASIC.
I now ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... difficult to do it very fast. But if you tailor ... only loop twice, every 8 lines.
Also ... result is 0 you draw eight lines then adjust for crossing ... , then do next eight lines. If the result is ... 1 you do seven lines - adjust screen address - ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... ;Preserve IY for return to BASIC
LD (SPSTORE),SP ; ... precalculated screen address where to draw sprite
LD SP,( ... A ; divide by two and lines are drawn in pairs
RET
* Draw sprite in unshifted position. Called ...Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... have 5-8 basic enemies you draw them by fast routines and then ...3d Code... simple Anyone know where I can get some examples of 3d routines written in basic... I`ve done some googling, and come up with some source for PowerBasic or…
... SAM, draw and plotare so much faster, basic is soo ... it actually is in basic... thankfully for things like ... thinking...
Basic is a comfort blanket, everything ...
So... Happy 40th birthday Basic...
and the ... `s 5,000 lines of code...games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…
... they also made a Basic Lightning for doing games ... the Spectrum needed a Basic Lightning, since IDEAL can ... be used in Basic programs also and ... demo of plotting, drawing lines, circles and arcs, etc ... more than half as fast as regular Spectrum Basic.
Pixel LimitIF Y3<192 THEN : LET x2=INT (128+X*A*SIN A): LET y2=INT (Y3): DRAW INK
[quote]
On 2004-11-16 21:44, dalmudlee wrote:
I have never seen this graphics restriction before. Why does the Spectrum have this limitation?
1720 FOR A=0 TO INT ((50*3.14)-38) STEP 3.14/P
1730 LET Y3=96+Y*A*COS A
Just remembered - Spirograph Effect. - Please ExplainJust remembered that we used to mess about with the Draw command to get a spirograph effect in Sinclar Basic. Squares 10 plot 75,75 20 draw 80,48,…
... Draw command to get a spirograph effect in Sinclar Basic ... of the way that BASIC draws arcs and circles. ... does, of course, tell BASIC to draw a curve, and that ... is confusing BASIC - it knows it has to draw a ... are joined up with lines to form the spirograph ...
