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ANN: Spud v0.201New version of Spud released. Nothing major just a few bugfixes thanks to user feedback. At the soon to be usual link [COLOR=#4040c0][URL]http://…
... of the ROM is just byte after byte of 00.
25 ... long time so I must sort that out.
I only ... -
Developers developers developers developers developers!OK, I think it's at a stage where someone else can also have a go at doing things with the Spectranet. If you've not been following the hardware foru…
... a stream only writes one byte at a time which would ... a socket (one packet per byte!) so buffering will need to ... with a parser of some sort at the other end to ... -
Documenting ZX Spectrum SoftwareFirst and foremost a disclaimer... [COLOR="DimGray"][SIZE="2"]I'm a newcomer to ZXSpectrum emulation. Unless you find the need, I'll spare you the d…
... proposing an 11th text identification byte to the current structure.
Priority is always given to option ... -
A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... I am sure I can sort something from this lot! Great ... A,H ; add original high byte
LD H,A; ... /> POP HL ; retrieve pointer screen byte
XOR (HL) ; ... XOR with current star byte
LD (HL),a ; ... -
Three free +3sI'm about to throw out three Spectrum +3s. The computers themselves all work, but all the disk drives are faulty. Two of them are boxed, the third is…
... the +3s until I can sort out suitably sturdy packaging for ... they will be given top priority and will get them for ... -
User reviewsAs often requested (e.g. [URL="http://www.worldofspectrum.org/forums/showthread.php?t=18135"]here[/URL]), user reviews are now possible through the s…
... regard it as particularly high priority. I will try and do ... or PM and we'll sort things out. -
Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... />
Yeah, but writing that sort of code isn't "sexy ... , and it served as a sort of easter egg too. But ... ugly to have a 32-byte machine-code block located separately ... -
Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... />
"set a byte, test it, goto next byte."
This ... , but I've got some sort of bug in it. My ... -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... other speccy stuff - so, low priority. I did the screenshots for ... in Spain). Except a single byte is different from the Ram ... -
Atic Atac speed.Dear all, Excuse the noob question, but does anyone know how fast Atic Atac runs at? What I mean is, frames per second, or the amount of pixels the…
... : ld (hl),c ; setup 257 byte vector table
inc hl ... a,(FXNumber) ; sound already playing - priority?
; or a
; ret ... -
Clearing the Carry flagI'm reading that sometimes I may want to clear the carry before using ADC or SBC. A simple AND A or OR B will do. However, as I see it, for 8-bit ar…
... Tstates), often XOR A (1 byte 4, Tstates) is used.
sort of think a bit sideways ... will do it in one byte instead of two, and in ... -
1K Minigame : 3D RacerLast year I started to code a 3D Racer in 1K. The print of the road was however quite flickery so I put it away to pick it up this week again. I deve…
... less realistic but makes these sort of games easier to pick ... /> [quote]
[LIST]
[*]Some sort of markings down the side ... make this a pixel or byte shift.
Contrast was also ... -
TZX SuitabilityHi All, Firstly thanks for a wealth of info been a long time since Ive seen those set of rubber keys and symbol-shift and now it back around and we d…
... , and ID 11 turbo block byte data (the bytes seen by ... /> just looked at tapier, same sort of thing as our tzxExplorer ... -
speccy games at your school?this will probably only apply to those of us who were at school from say 82 to 92ish (guessing thats the majority of people here?). anyway did your…
... an unplanned computer reset (the sort that mainly seemed to happen ... RAM, and eventually found a byte that would change, according to ... -
Would welcome ideas for my large map game...I have been working on an engine to allow scrolling around a large map. For now, it allows 1 char movement around a 64x64 map made up of 4x4 char t…
... /> Byte 1, Byte 2, Byte 3, Byte 4
Byte 5, Byte 6, ....
...
Byte 29,Byte ... 30,Byte 31,Byte32[/QUOTE]
SevenUp ... -
Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…
... ASCII and Cyrillic characters (a sort of modified transliteration scheme), meaning ... game with just one wrong byte in the wrong place, even ... -
Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…
... you move an $FF byte lower down in memory say ... In other words, an $FF byte should preferably be followed by ... after the relocated $FF byte and notice how it gets ... in which an $FF byte has been moved as you ... could pad them with some sort of "non-printable" character ... -
Back to Skool disassemblyAs mentioned in [url="http://www.worldofspectrum.org/forums/showthread.php?t=22841"]this thread[/url], I've been working on a disassembly of Back to …
... could turn that into a sort of assembler mini-challenge of ... assembly language) that takes a byte value (0-255) regarded as ... entry, the accumulator holds the byte value to convert. On exit ... -
So what about ethernet and ZX BASIC?Well, as of about 5 minutes ago, ZX BASIC for the first time properly wrote some packets to the network! OK, so it isn't perhaps 100% what Andrew Ow…
... the page for 15 256 byte buffers, since each page is ... not necessarily aligned on 256 byte boundaries, and of course this ... doing sockets are the highest priority right now, it allows the ... -
z80 format: ED ED xx yyI've just been studying the documentation for the z80 file format: [url]http://www.worldofspectrum.org/faq/reference/z80format.htm[/url] I have a d…
... computer capable of handling some sort of mass storage system, which ... to work with a 32768 byte buffer. -
upgrades what you looking for?i start working for upgrades for ZX, but i'm Atari specialist and i don't know exactly what you need for ZX. On the moment i have DIVIDE in stock, an…
... loaded the compiler does a sort, but does not move any ... . instead it sorts the 3 byte pointers. When its finished reading ... -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... going to be changed ? (low priority, CLUT will be setted on ... be interpretation of attribute byte changed ? (high priority)
4) is ... like on old ULA (medium priority)
5) when changes ... / just after out ? (very low priority)
points 1-3 ... -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... to be changed ? (low priority, CLUT will be setted on ... be interpretation of attribute byte changed ? (high priority)
4) is ... like on old ULA (medium priority)
5) when changes ... / just after out ? (very low priority)[/quote]
1. Yes. probably ... -
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... be changed ? (low priority, CLUT will be setted ... in different way ? (high priority)[/quote]
... be interpretation of attribute byte changed ? (high priority)[/quote]
priority)[/quote]
Timing ... -
some debugger in emulators that is able to brakpoint when a mem address is accessed ?Is there a debugger (disassembler) available in some emulator that is able to stop (breakpoint) when a particular memory address is accessed ? For e…
... /> That would break when the byte at 23672 = 3. Square ... some sort of result. For example, [hl] would read the byte at ... break as soon as a byte of more than 127 ... the so-called "high" byte of the address onto the ... to care about the high byte of the address at ... -
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
...
- save the blocks in Sevenup
- repeat some graphics to ... could be stored with one byte.
- build the map (let ... -
Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…
... originally imported Hayley by hand, byte-by-byte in notepad! Miss Take ... each language I need some sort of editor. At least I ...
