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Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... are you trying to scroll? The screen or sprite graphics ...
; write A byte to screen somehow maybe like this ...
; exx ; hl = current screen ... have you fixing the screen address to write to by moving down one ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... you draw you sprite to screen at column 14 with ... writing the data to screen. The particular table to use depended on ... version of the sprite image to write to the display.
... lookup
; write A byte to screen somehow maybe like this ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... data and PUSH it all to write to the destination (in reverse ... 't redraw the full screen area. You then draw ... sprites straight onto the screen, and try and get ... . Then you render the screen from the byte-map. ... than copying from a back-screen.
Or ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... data and PUSH it all to write to the destination (in reverse ... 't redraw the full screen area. You then draw ... sprites straight onto the screen, and try and get ... . Then you render the screen from the byte-map. ... than copying from a back-screen.
Or ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... data is copied to screen, the destination screen address is retrieved ... completed graphics are copied to screen, intermediate draw results are ... causes a much faster blit to screen to be used.
to write one byte to cause a change to 8-bytes of screen ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... data is copied to screen, the destination screen address is retrieved ... completed graphics are copied to screen, intermediate draw results are ... causes a much faster blit to screen to be used.
to write one byte to cause a change to 8-bytes of screen ... -
Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... and have managed to get close to a full-screen update in ... larger areas of the screen. Also to use simpler landscapes with ... And maybe write multiple sprite functions that can clip to screen edges so ... the play area is the full screen ... -
LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…
... or LZSS compression is to write the symbols in the ... N[/i] whenever we need to write the new characters, where ... step. I don't "write the symbols in the ... I only read them and write to the output file. I' ... tried the routine with a SCREEN$ from Forest of Doom ... -
Maritrini and Cray 5 loading problemsHas anyone else here had issues loading either of these on a 128k? No matter what I try, both these games refuse to load properly. I can get both t…
... , main screen.
Bank: or 0 ;POKE to Bank+1 address to change ... which RAM bank to write to
ld ... A,#10 ;ROM1, RAM0, main screen.
ld BC, #7FFD
Strange annoying CD burning (even virtual disc image burning) problemLong story: Recently my desktop started to burn DVD-Rs with errors. I.e. when I tried to burn a DVD-R full of data from my torrents folder (TV episo…
... it would be no harm to investigate the possibility.
... (which could be included) to see if you have the ... anything I type appears on screen, but I don't ... like I'm going to have to spend time working out ... 7 hard drives and can write to a DVD burner?
...Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... that in order to be able to write to the secondary screen on RAM7 you ... you are planning to use the extra pages to store more sprite ... and tile data you have to be constantly copying data around ...Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... that in order to be able to write to the secondary screen on RAM7 you ... sprites [B]used in current screen[/B] should be beneath $C000 ... in memory, placed to page#2 on demand while switching to another screen.How to create .TAP that loads into high memory banks?I want to create a program that uses the extended 128k memory, the banks that can be switched into the 0xc000-0xffff area. For the simple stuff I've…
... ]zmakebas[/url] in my build scripts to create Basic loaders from plain ... file, so it's straightforward to use whatever tools you like ... to generate the individual blocks before ... machine code to force USR 0 mode, load a loading screen, and ...New Game: BerksManLink: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027713[/url] Originally written to demo Boriel's ZX Basic, and still needing most of th…
... . I was fairly committed to making it simple to write to demo ZX Basic ... , (hence documenting how to get going ... some fun on the title screen, all "sprites" are just print ... as used on the title screen where colour clash was not ...Goody - another game that was supposed to be colourAfter the success with Outrun Europa ([url]http://www.worldofspectrum.org/forums/showthread.php?t=39143[/url]) I decided to search for more games tha…
... They don't write to attribute area and seem to be planned from ... these titles aren't worth to deal with. They play terrible ... />
Now I'm going to check another Spanish game which ... www.worldofspectrum.org/showscreen.cgi?screen=screens/in-game/c/CurroJimenez ...Multi-sized character screen driverFollowing on from the thread on [url=http://www.worldofspectrum.org/forums/showthread.php?t=24618&page=14]character output routines[/url], I've dug o…
... the holy grail to me. I did eventually write a 64 ... the chars with the existing screen. With 64 column, you ... It must be possible to make it faster than RST ... br />
One thing to consider is processing two chars ... and writing two chars to screen together.Newbie willing to try doing some gfx...I've tried my wings in creating some hires graphics on C64 and I'd like to try making some also with speccy just out of curiosity, but my knowledge a…
... the VIC , with speccy you write direct to screen :) , thats why speccy is ...GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... bunch of bytes of pixels to write to the video memory. Let us ... suppose it depends on the screen resolution.
Same ... then if one would use screen back buffer, draw bottom windows ... then blit entire affected rectangle to screen. I also like the idea ...Printing a ListingHello my fellow WoS'ers Todays trouble starts with the need to print-out a listing - personally I would prefer a text file, but beggars cannot be c…
... ?
My build attempts to create the printout files in ... has to be somewhere that you have write access to the ... shortcut which tells it to start in it's ... you add that directory to the path so you ... buggered up nature of my build though, you might not ...UDG in AssemblyHow do you create User Definable Graphic and move it around the screen? In C64 its as easy as: [code] SPRITEENABLE = $d015 SPRITEPOINTER = $07f8 =*…
... always better to write something your own than to rely ... letter but you can point to any other graphics.
to screen memory. There is ... 32x24, a bit similar to text mode. Drawing ... 'll have to learn the Spectrum screen organisation. It ...Performance Analyser?Disclaimer: Im asking this question as a "non-programmer" so please forgive my ignorance if this turns out to be a daft question. During the life-sp…
... />
Profiler commands
Ability to write to a hardware register that means ... draw lines, bars, etc. to the screen. I have some functions in ... my demo code library to ... do this but it all takes t-states and screen ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... code around, so it'll build into something that's useful ...
scratchspace ; used to shift character before printing to screen
defb 0 ...
overscratch ; used to clear space before printing to screen
defb 0 ...SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... the SPECTRA can read and write to the SRAM is when the ... Its main purpose is to mimic screen contents to output them in RGB ... mode to improve picture quality ... ;646708]its interesting to have another 12 screen modes[/QUOTE]
WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... through the array repeatedly to determine what actions might be ... set of instructions on how to construct them, either by ... instructions on where to place them to build up a screen. The alphabet ... the code for constructing the screen based upon the requested ...Assembly game programming on ZX how-to?Hi. I'm planning to build and release new software for the Speccy but I'm pretty lame as to handle its hardware despite a good mastery of Z80 assembl…
... rusted. I was used to write the screen through LDIR because I ... for me. I used to debug with commercial disasms ...
I'm planning to launch a strategy game for ... perhaps later porting it to the SAM. I just ... be waiting impatiently for it to come.
...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... a direct effect on the screen display.
The complicated ... RAM.
To write to the stack we use 'push'. To write from the stack ... 'add hl,de'
To fill the screen with the road we ... road down the screen we copy the screen attribute bytes to the line ...Coding for 128kHi all, I wonder if anyone can suggest any useful reading/threads/examples on the fundamentals of 128k coding. Chapter 24 of the +2 manual has prov…
... it's not going to kill your game if ... and you still want to use buffered screens. Just ... moving the stack pointer to do a PUSH scroll, ... to copy bytes into registers, then page in the hidden screen ... , alter the stack pointer again and PUSH to write to it ...Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…
... tested in turn. According to the instructions under the aforementioned ... screen which, according to the instructions, means that it was impossible to write to ... white strip, which translates to a fault in line A0 ... any difference between a write failure of bit 6 ...UDG in AssemblyHello there my fellow WoS'ers I am currently having a play with z88dk and PASMO and would like to have some fun with some UDG's so is there a tutor…
... 8 bytes and writes them to screen memory. It's a bit ... to use A temporarily to do the addition). This gives you the screen ... copies from HL to DE, to draw the graphic on screen.
ld (de),a ;write a byte
inc hl ...
