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Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…
... are. I had been wondering how to do this myself some time ... code then, well, how do you expect to call it if you ... 3 bytes more and poke an instruction there to load a register ... kind of initialization code to adjust references to absolute addresses automatically.< ... -
Assembler v Machine CodeHi. I've been looking at a lot of the code examples in the Development section and can see that Assembler is the way to go. However, I was wondering …
... an Assembler. You just need to learn how to use it properly.
to ensure that internal tables fit ... would take me years (literally) to make these same adjusts manually ... for the ZX81 and had to POKE values directly... -
The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…
... 690357]If you want to disable scrolling, POKE 23692,255 will set ... the scroll counter to 255 ... lines. Keep issue that POKE every now ... />
and more question:
how to proceed result of INPUT ?
A quick newbish questionI'm reading through 'mastering machine code on your spectrum',as kindly posted by Mr bert on this forum. Correct me if I'm wrong from what i read,bu…
... different numbers and you see how each pixel can be switched ... 6144 screen locations.
To POKE a location in assembler
POKE the value into the location ... and A hold the value to POKE into it. You can change ...Flashing coloured blocks - diagnosisHiya, hope this is the right place for this... Was given an Issue 2 48K by a someone yesterday that hasn't been powered on in 20 years, which works …
... much for the reply. Comforting to know about the ULA. You ... [/IMG]
Not sure how to interpret those numbers so found ... according to that page indicates a problem, but when I POKE/PEEK ... am I just going to have to find some 4116 equivalents and ...2013 projects: new PlusD, DivIDE and MultifaceI have written about this before, but as I want to let these project be influenced by your opinions, I thought to create a separate topic about it. …
... as I get the time to.
One thing I ... 't understand yet though is... how can I load from tape ... LOAD"" calls? Do I have to POKE some address, perform some OUTs ...2013 projects: new PlusD, DivIDE and MultifaceI have written about this before, but as I want to let these project be influenced by your opinions, I thought to create a separate topic about it. …
... 't understand yet though is... how can I load from tape ... LOAD"" calls? Do I have to POKE some address, perform some OUTs ... eject TAP file and switch to real tape from NMI menu ...ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... have an example.bas file to see how to use it?
how would i compress them using ... line tool?
and how would I uncompress them into ... a few more numbers to your sequence to make it more ... FOR f=0 TO 15: READ a: POKE 40000+f,a: ...Outrun Europa in colour - Level 1 ready !Instead of bumping these old threads: [url]http://www.worldofspectrum.org/forums/showthread.php?t=10754&highlight=outrun+europa[/url] [url]http://w…
...
It was possible to add colour to Outrun Europa because the ... and add colour with one poke -POKE 24905,6.
... like Afterburner were originally designed to be monochrome. Adding colour ... learnt a few tricks how to add colour to a monochrome game ( ...Outrun Europa in colour - Level 1 ready !Instead of bumping these old threads: [url]http://www.worldofspectrum.org/forums/showthread.php?t=10754&highlight=outrun+europa[/url] [url]http://w…
...
It was possible to add colour to Outrun Europa because the ... and add colour with one poke -POKE 24905,6.
... like Afterburner were originally designed to be monochrome. Adding colour ... learnt a few tricks how to add colour to a monochrome game ( ...Covertape speedloaderThere was a covertape (possibly YS) that had a speed loader / saver routine included on it. It stood out to me as I recall it had a counter on it, co…
... your best bet would be to copy the ROM tape routines ... to upper RAM, make any adjustments for jump addresses and then POKE ... which tells you which locations to POKE to give 20% or 50% increases ... the one which explains how to modify a Multiface to fix a few ...5th QuadrantAnyone ever mapped or completed it? Theres a game in there somewhere im sure of it but I cant make head nor tail of it!
... the power drain effect (POKE 45925,0) which left ... each has to follow a circuitous route to get to the far ... location. Why make access to the red button control ... into room 88D to in order to enter the other ... switch from one robot to another to move them the ...IZX: a new standard format and driver for ZX-Spectrum icons[B]IZX[/B] is a very compact and efficient standard format to create icons for the ZX-Spectrum. You can download it from here: [LIST] [*][URL="http:…
... post I didn't mention how to create new icons because... ... people will be interested enough to implement [B]IZX[/B] ... meantime, it's possible to create new icons using this ... image in my previous post), to [B]IZX[/B] format ... 70 NEXT n
80 POKE end+g*9,b
The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…
... and colour code things... how do you do that, ... basic I believe? (How do you POKE UDGs anyway?, can' ... t remember).
How do you print to ... some address to have a good place to POKE a 1 ... safe to use? I never worked out how CLEAR ...New game: Escape from CnossusHot on the heels of Spectral Dungeons, I give you a new roguelike, this time with graphics and more complex gameplay. [IMG]http://notimetoplay.org/w…
... you want to be active with a simple [B]Poke uInteger 23675 ... being the array you want to activate.[/QUOTE]
That's ... did, as per the [I]How to Write a Pac Man Clone ...New game: Escape from CnossusHot on the heels of Spectral Dungeons, I give you a new roguelike, this time with graphics and more complex gameplay. [IMG]http://notimetoplay.org/w…
... the variable to UDG Systemvariable, but why not use POKE UINTEGER ... br /> Assigning a variable to a system variable saves valuable ... much simpler and faster to use than POKE.
Such tricks ... big steps forward. Excellent examples how to code with ZXBC.
...melbourne drawIt could be said I am easly pleased,:grin: Very nice peice of software. I was realy impressed by its ease of use. I think a lot of time and effort w…
... the entry you refered to bunny, Thanks sir you ... Now I just need to figure out how to load the hex ... the spectrum and poke it to that memory location.< ... how can I poke hex values to memory? do i need to convert it to ... or can I directly poke hex values. Sorry for ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... I figured its best to move on to DEC, a blatent copout ... and write some little routines to test how dec operates on the ... Z=Z-7
60 POKE X,16*Y+Z
how to do it lol...
< ... I tried to sell my soul to get a listing to work or ...Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... notice of the code to prevent this in your ... it was compiled leading to issues we have seen ... I've not looked at how the in-game crash is ... maybe the first place to start dissecting would be ... used the MF128 to POKE data to get the Dragon to appear...
...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…
... /> [*]could you also specify how to change the colors of the ... tape. Converting a program to use 47loader inevitably involves ... ", that poke different numbers into the "border" routine to give different ... loop) if they need to perform extra calculations beyond ...Beep SFX editorHi years ago in a paper magazine i saw sfx editor and player from Steve Turner Player is here [URL="https://www.dropbox.com/s/zon8n9r7kep8g2g/sound.…
... I had no idea how clever this sound engine is ... say a little more about how to use the assembly code?... ... do I change to point it to a specific sound effect ... I wish to play?... What do I poke before running ... the code to play my effect ...Beep SFX editorHi years ago in a paper magazine i saw sfx editor and player from Steve Turner Player is here [URL="https://www.dropbox.com/s/zon8n9r7kep8g2g/sound.…
... I had no idea how clever this sound engine is ... say a little more about how to use the assembly code?... ... do I change to point it to a specific sound effect ... I wish to play?... What do I poke before running ... the code to play my effect ...Games that checksum the ROMHello, is there a list of games that checksum the ROM and won't run (or maybe exhibit a different behaviour) unless it is the original 48k one? Searc…
... />
I've tried to run it in Spectaculator (OpenSE ... Error in 9003:2 (a POKE). I guess the Laser ... BASIC binary tries to hook something in the ... will fail if they try to hook the ROM routines.
BTW, I don't know how to edit wiki pages (maybe I ...Games that checksum the ROMHello, is there a list of games that checksum the ROM and won't run (or maybe exhibit a different behaviour) unless it is the original 48k one? Searc…
... ;731598]I've tried to run it in Spectaculator (OpenSE ... Error in 9003:2 (a POKE). I guess the Laser ... BASIC binary tries to hook something in the ... BTW, I don't know how to edit wiki pages (maybe I ... compilers are heavily tied-in to the original ROM and ...Spin Emulator +D BugHi there, I think, I found a bug in SPIN Emulator. If I select +D Disk emulation and insert a disc into Drive 2, CAT 2 gave me the wrong number of fr…
... . It does not even detect how many sides or tracks the ... drive can handle. You need to poke these and then save the ...Spin Emulator +D BugHi there, I think, I found a bug in SPIN Emulator. If I select +D Disk emulation and insert a disc into Drive 2, CAT 2 gave me the wrong number of fr…
... . It does not even detect how many sides or tracks the ... drive can handle. You need to poke these and then save the ... the Sysvar for drive 2 to 80 tracks from start, would ...Code to test if a rectangle is in a rectangle[SIZE=3][FONT=Calibri]I am looking to write some code that will check if a rectangular shape is outside or overlapping a second rectangle. If the sma…
... who can work out how to change it to do that before I ... 44*256+64: POKE 40004,PEEK 23670: POKE 40005,PEEK 23671:
POKE 40006,PEEK 23670: POKE 40007,PEEK 23671
POKE 40000,PEEK 23670: POKE 40001,PEEK 23671:
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... the concise version, describing how to address any contiguous area ... .... RANDOMIZE da: POKE 23563,PEEK 23670: POKE 23564,PEEK 23671
POKE da+4,PEEK 23670: POKE da+5,PEEK ... RANDOMIZE length : POKE da+6,PEEK 23670: POKE da+7,PEEK ...Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... />
[QUOTE]POKE address1,Xpos
POKE address2,Ypos
RANDOMIZE ... Of course you'll have to write the proper assembler code ... /> And if you learn how to do it, it may happen ... that you'll decide to do it all in ... and won't like to use Basic ever again ;)The official CSSCGC 2014 threadJust to announce that the comp.sys.sinclair Crap Games Competition 2014 is now open. It's home for the year will be; [url]http://www.mykeweb.co.uk/c…
... pages so we'll see how it goes.
... past UDGs when learning to program back in the ... WoS forum skimming to figure out how to remap the character ... of swapping with POKE 23606/7 or POKE 23675/6 I ... />
It just reiterates how crap a solution my Plot ...
