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Getting attribute location from a screen coordinates (x,y)I am having trouble figuring out how to convert an x,y coordinate pair (pointing to a specific pixel) to the location of the attribute for the block …
... out how to convert an x,y coordinate pair (pointing to a ... attributes but was in the screen.
Does anyone know ... that once I understand the screen layout better then I will ... hopefully help me understand the screen layout better. -
R: Tape Loading Error on an EMULATOR??I was just trying to load 'Stop The Express' (a TAP file on a WOS Cdrom) on to a Mac OS X 10.4.6. TAPs (in OS X, I don't have Classic installed) AF…
... ) on to a Mac OS X 10.4.6.
TAPs (in OS X, I don't have Classic ... 2nd block loading i get 'R: Tape Loading Error'!
What ... -
Sort 2 byte words (x, y) on ypos, also question about swap (DE), (HL)Well that was a lot of debugging ;) But if you want a routine which takes an array of 16 byte words x, y and then sort them on y (ignoring x), I'm…
... byte words x, y and then sort them on y (ignoring x), I'm ... = 2*i + 2
int r = 2 * i + 2;
// so far
if (r < n && arr ... [r] > arr[largest])
largest = r;
Zaf-forth to Z80 compiler Build 5This forth like complier is changing almost every day with new items been added. Here is a new Zaf-forth word add it the sptword.fth file - which is…
... br />
procedure zxcircle ;"x y r zxcircle to screen"
int zxcirclex ;
screen"
;"random sizes abd random x and y"
... br /> ;"prints 8 spaces to screen"
."Random ... zxcircle
;"put x, y, and r on stack call circle"< ...Spin v0.504 - "R Tape loading error"?Has anybody else had the problem that when you turn off all the tape-loader optimisations (Standard blocks, Edge loader & Byte loader), loading any T…
... you turn off all the tape-loader optimisations (Standard blocks, Edge ... file will result in an "R Tape loading error" at the end ...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?Disk R Tape ???I was recently trying to make a bootable disk image (for my Deal or No Deal simulator, if you must know) using RealSpectrum, SPIN to make a blank ima…
... one point - I got an R Tape Loading Error while trying to ...DRAW x,y,a Algorithm - how does the ROM do it?Hi all, Getting on with SpecOS, and one of the things I would love to do is to preserve the original ROM's behaviour when drawing Arcs. This is don…
... is done by using DRAW x,y,a where the alogorithm starts ... , finally ending up at point x,y.
I've been ...A little Message to R-TapeThanks for the PM about the CGC It must have taken some time sending 102 [COLOR="Red"]personal[/COLOR] messages. Not many people would have done th…
... note)
So to R-Tape thanks for a great compo ...SpecBAS 0.802 Released!Hi folks - It's that time again when I release the latest round of features and bugfixes to SpecBAS :) New for this version are ZONEs which act ver…
... - they're regions of the screen you can test coordinates for ... string for the texture - CIRCLE x,y,r FILL will suffice
PACKAGE ... can now take coordinates as x,y,w,h as well as ...CIRCLEHi, I'd like to draw a circle x,y,r using the BASIC-ROM subroutines. I've put x, y and r onto the calculator stack and used CALL #232D and RET. I g…
... circle x,y,r using the BASIC-ROM subroutines. I've put x, y and r ... got a circle on the screen but after that the speccy ...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 …
... Piece data: 6 bytes (screen,X,Y,ScreenA X,ScreenA Y,0x00) co-ordinates as ... 16: T Alt Wall 17: R Alt Wall
18: B ... barrier 1C: T Wall 1D: R Wall
1E: B Wall ...
18: L Wall 19: R Wall 1A: Alt Wall
X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
First public outing of X=Y=Z for the 48K Spectrum, ...New Game : X=Y=ZFull version of X=Y=Z is now available from my site at: [URL="http://www.bobs-stuff.co.uk/extras/x=y=z.zip"]http://http://www.bobs-stuff.co.uk/extra…
Full version of X=Y=Z is now available from ... .bobs-stuff.co.uk/extras/x=y=z.zip"]http://http://www ... .bobs-stuff.co.uk/extras/x=y=z.zip[/URL]
Boomshine in SpecBASHere's a little game called "Boomshine": [url]http://www.k2xl.com/games/boomshine/[/url] It's a really nice, relaxing puzzle game about exploding b…
... loop
150 CLS 0: SCREEN LOCK: LET expcount=0
x,y,r FILL: INC x,dx: INC y,dy
210 ... IF xSCRw-r THEN ... state: LET blobs(f,1)=r
290 REM Contracting
x,y,r FILL: LET r=r/1.07: IF r=target THEN ...Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…
... a way to suppress error R Tape Loading Error in Basic when ... /> E.g.: I have a Tape-Code-File Start from e ... Bytes which come in the Tape-File from Byte 6913 to ... I try this, I get "R Tape Loading error, 0:1"
Screen$ (x,y)Hi everyone As you know, Screen$ doesn't recognize UDG characters. Is there any way to solve this problem? I want to "identify" an UGD character o…
Hi everyone
As you know, Screen$ doesn't recognize UDG characters.
Is there any way to solve this problem?
I want to "identify" an UGD character on screen...
ThanksThe R-Tape loading Era. An Easter story?R-Tape loading era Nostalgia's a funny thing you know. You might remember what at the time seemed a damn nuisance, only to recall it much later…
R-Tape loading era
... was an era when cassette tape loading and saving of ... the cure for the dreaded R-Tape loading error.
... my computer and its tape recorder back and forth ... vibration played havoc on the tape heads, hence the need ...Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... Leave some space for shadow screen buffer
20 GO ... TO 20
110 LET x=40+RND*176
... 120 LET y=40+RND*95
130 ... +RND*30
140 CIRCLE x,y,r
200 REM ... POKE 63694,x: REM x
220 POKE 63695,175-y: REM y
'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... to write directly to whichever screen was paged into upper ... don't think CIRCLE #n;x,y,r would be valid syntax anyway ... the accessibility of the "shadow screen" from BASIC.
... presumably use some SAVE "file" SCREEN$ type command and reload operation ...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…
... parameters: X, Y follow)
2=[B]DRAW +X +Y [/B](two parameters: X, Y follow ... ]CIRCLE [/B](three parameters follow: X, Y, R)
7=[B]INK [/B ... draw a Red Diamond on screen will be:
Bytes: ... an absolute position on the screen.
Angle: If ...Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... collision with existing pixels on screen is determined. If you just ... says, eg, distance from point x,yAmazing Short Type-InsHey all ! Been having some pretty stressfull days lately so I tought I would type in some games. There was a very nice type-in book here in Slovenia…
Kempston mouse emulationOK, so I've read the FAQ and can understand how to "do" a mouse in an emulator. Just to be clear about it though, perhaps someone could be kind enoug…
... to confirm:
The x/y counters roll round in the ... mouse movements, not just absolute screen x/y co-ords, right?
Loading Screens 2012Ta Daahhhh! Here it is, [U]the[/U] place to showcase all your marvelous [B]Screen$[/B] Whether old or new, this is your space to share your full-sc…
... showcase all your marvelous [B]Screen$[/B]
Whether old ... to share your full-screen pixel art. R-Tape, along with Redballoon & ... , but I found the original tape with work in progress pics ...Kempston mouse emulationOK, so I've read the FAQ and can understand how to "do" a mouse in an emulator. Just to be clear about it though, perhaps someone could be kind enoug…
[QUOTE=Laser;176247]The x/y counters roll round in the 8-bit byte (...254,255,0,1...) effectively just representing accumulated delta mouse movements, not just absolute screen x/y co-ords, right?
[/QUOTE]
Yes, that's right.Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... then messes up the screen, culminating in R Tape loading error.
tape, then sampling it back into ...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 …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 …
... FN 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 ... +x0
4 DEF FN y(x,y ... (x,y,FN r(d)):
DEF FN b(x,y,r)=(x
