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So easy to use.Back in the 90s I was off work for 3 months following an operation, anyway in my boredom I dusted off my old speccy+ and the manual, and got my head …
... way preferably in BASin to draw screen using 8x8 and 16x16 templates ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... it involves changing to whole screen)
SPACE (fire) = turn ... it takes the library to draw the sprites. I don't ... a call to sp1_UpdateNow to draw screen, a joystick scan, doing some ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... it takes the library to draw the sprites. I don't ... a call to sp1_UpdateNow to draw screen, a joystick scan, doing some ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
...
#endasm
sp1_UpdateNow(); // draw screen now
...
sp1_MoveSprRel(se ... if you are lucky, just screen corruption.
One other ... move to keep their on screen speed constant even if the ... -
Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... pixel (Px, Py) on the screen, do:
{
x0 = ... to just display the background screen.
An instruction has ... spectrum display to the background screen everytime the program counter ... this is just after the draw screen routine and before it calls ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... ;sp1_exc1.c:93: sp1_UpdateNow(); // draw screen now
l_l_main_00108:
... // if sprite went off screen, reverse direction
ld ... // if sprite went off screen, reverse direction
ex ... -
printing text on HP-GL plotters through RS232 on AY-3-8912Hello, i don't know, if anyone is even interested in these things. But i do. I like printers, plotters and other devices which we can connected to…
... they could be used to draw screen$, vector graphics and even CAD ... I saw a Timex TC2048 draw a very detailed picture of ... -
(part of) screen to UDGHere is a routine to copy a Y,X-position on screen to a UDG. 0<=y<=23 0<=x<=31 144<=udg<=165 (UDG "A" to UDG "U") [code] ; start code with ; PRINT …
Here is a routine to copy a Y,X-position on screen to a UDG.
0 -
Editing in-game UDG'sI have just started playing an RPG that was in Sinclair User in 86'. The game is called Forest of Long Shadows and was excellent. You can find it on …
... accross should appear on the screen in UDG's but they dont ... is Data to create the UDG's for the nasties. What ... the eaiest way of editing UDG's in a basic program ... -
How to get Grahics to wrap vertically around the screen?I am using the following code to draw an image to the screen. First I use HL to contain ROW and COLUM I then call the MapScreenFunction As I draw m…
... following code to draw an image to the screen.
First ... MapScreenFunction
As I draw my sprite, it calls Next ... -
Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... 0 ;NO. OF COLUMNS TO DRAW (FIRST BLOCK)
< ... first column
;HL=screen addr.
;DE= ... only need to
;draw four more columns
... />
* Draw end of row
* If ... br /> * necessary to draw one more tile (right ... -
128k Speccy ScreenAm I right in thinking that you can draw to one, while displaying the other (therefore eliminating the need for timing when you dump the screen and d…
Am I right in thinking that you can draw to one, while displaying the other (therefore eliminating the need for timing when you dump the screen and draw the sprites etc... a-la 48k ??) -
Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…
...
push iy
; Draw a 4 x 32 byte ... />
; Clear the screen to show we are bringing ... /> ; Copy from store to the screen
ld hl,16384 ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... that I can display one screen, draw to the other and then ... Spectrum to display 49152
draw to 16384
Tell Spectrum ... to display 16384
draw to 49152
loop
Spectrum Screen Memory MapWhat's the advantage (mistery?) behind ULA's spectrum screen memory interpretation? 6144 bytes divided into 3 blocks, 2048 bytes long. if you want t…
... (mistery?) behind ULA's spectrum screen memory interpretation?
draw something on screen you have to poke ... behind this implementation? Why screen memory isn't interpreted ... quick way to draw something on screen avoiding 3 block ...Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…
... that the DRAW statement is used to draw lines (or ... was used to draw lines and the DRAW statement was ... position isn't updated after draw)
B = blank ... don't draw)
"U8R8D8L8" would draw a square ... a big M on the screen.
You ...Faster Pussycat, yer man (UDG)Right we are almost into a game area. Ive started to play with UDG and by using bins and pokes I can redesign graphics to my hearts content. Now Im…
... /> Ive started to play with UDG and by using bins and ... little routine to poke the screen to fill it with dots ... do the same thing with UDG's but cant find the ...A New 21 UDG Plotter BASIC ProgramHello All, Here goes... My first proper Spectrum program for 20 years! And the reason why I've been asking about multiple banks of UDGS recently. …
... UDG plotter which allows you to edit all 21 UDGS on screen ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... . The SP1 engine divides the screen into character squares, each of ... letter 'A' or a fancy UDG graphic you've designed. Unfortunately ... will be written to directly draw to the display for text ... h library for the strange screen address manipulators seen in this ...ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... (Daren Pearcy)
Added - The SCREEN$ paintbox tool. It's basically ... binary objects (such as the UDG editor and Assembler).
... Binary Importer.
Added - UDG Editor can now create a ... correctly.
Fixed - The UDG Editor would crash if you ...Conversion tool - bmp/gif to screen$Hihi Not sure if this is exactly the right place to ask, I don't see a software forum Is there a tool to convert a bmp or gif file to a screen$ sui…
... or gif file to a screen$ suitable for spectrum use? I ... want to be able to draw the screens on the PC ...Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…
... were copying graphics directly to screen memory starting at 16384. Now ... m experimenting with screen buffer where I could draw my graphics as ... clearing any sprites on the screen, I'm just copying ... static image from buffer to screen after HALT.
...How do you work with fonts on speccy?just curious really.. I know c64 workings, and obv. the spec you draw direct to screen.. on 64 , you'd make what would be equivalent to UDG.. and sa…
... obv. the spec you draw direct to screen..
on 64 ... what would be equivalent to UDG.. and say you wanted 2x1 ...A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…
... ]
; ---------------------------------------------------------------------
; DRAW using Bresenham's algorithm and screen positioning
; Copyleft ...Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread ... (v/256):
LET udg=FN p(23675)
20 ...
30 FOR a=udg TO udg+8: READ v: POKE ... 40 POKE defadd,FN l(udg): POKE defadd+1,FN h ... dummy DEFADD area in the UDG space to define a$ ...Some issues with my UDG programFor the sake of remembering how to do some things in Basic, I started coding a small program that could be used to create UDGs: [url]http://db.tt/tt…
... ,Space and T to display UDG data.
At first ... the same time leaving the UDG pixels intact in the grid ... routine would sometimes fail to draw a pixel in the big ... the 1x preview and the UDG binary data were correct, but ...screen$ out ?I've converted something via a scan and dithered it/saved out as a png in 7-up.. It'll load into 7-up , but I can't export it as a screen$ .. and …
... 't export it as a screen$ .. and the paintbrush zx wants ... ? I tick the option and draw a pixel, but the char ...What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... (23693),a ; set our screen colours.
xor a ; ... 3503 ; ROM routine - clears screen, opens chan 2.
... A'.
rst 16 ; draw player.
ret
... />
; UDG graphics.
[/CODE]Can anyone draw pixels?I'm not sure where is best to post this request, but I would like to know if anyone out there would like to draw some Speccy graphics for me. It's no…
... out there would like to draw some Speccy graphics for me ... like to add a loading screen to my first entry when ...Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... machine with a character-mapped screen and render that as ... drawn, to try to minimise screen tearing.
The ... UDG, allowing for multiple character sets to be combined on the screen ... is larger than the rendered screen and/or wraps-round horizontally ...
