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[Updated] RetroVM 1.0.4 with Recreated ZX Spectrum support.A new version available the change log: - Recreated ZX Spectrum "game mode" keyboard support. - Fix a bug with multiples machines running in para…
... to pick 1 for Keyboard and then Y for redefine. Once ... it moves to a routine which displays the ascii ... the part that needs the interrupt to run to get ... code as it is the interrupt routine that converts key press ... (as per the ROM routine). Adding a halt just ... -
Were there other graphic modes for the ZX Spectrum?I've read that there was a "hi-color" mode that allowed the color clash to be 8x1 instead of 8x8. Maybe I have the name of that mode wrong. I'm…
... utilising exact timing within an interrupt routine to allow more than two ... have been done as well for 128k machines which switch screens ... -
The Infeasible GameMy new game will be available early next year. One or two little bits to sort and then I need to play test all the levels. For now, here is a short v…
... put a flag in a place that when the game starts ... overwrite the previous details. Best thing for now is to only drop ... may put a fix in for this but will wait to ... -
The Infeasible GameMy new game will be available early next year. One or two little bits to sort and then I need to play test all the levels. For now, here is a short v…
Probably shouldn't be doing this whilst half asleep but there is a new version of my game on the same share that should have a fixed level 2 and a relocated interrupt routine. I've updated the readme.txt with the bug fixes. Time for sleep now I-) -
Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... anywhere . But where is the best place?
2) The main ... options 1) I could wait for the cheap ones from China ... special alloy "high rise" housing for them in the space now ... glad I did not opt for the massive motherboard connector option ... -
Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... />
That's supposed to place section nirvanap inside the code_lib ... . A current bug will place nirvanap at the end of ... />
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Anyway the best way to ensure NIRVANA+ interface ... I can find a good place for arch-specific things in the ... -
Windows 10 Anyone Got it YetSome of my collegues have been installing or updating their OS to Windows 10 and have been speaking very favorably about it,except the lack of driver…
... Win10 setup to a safe place that’s off the main ... or less back to the place you were before the upgrade ... the new PC (PC details for the new PC will overwrite ... what I think are the best ones for stuff like this, hardly ... -
Internet enabling a SpectrumHi, Yonks ago, I floated the idea of using one of these: http://www.mycal.net/old/wsweb/img/s7600a.pdf ..to Internet enable a Spectrum. I d…
... with a couple of fixes for the more critical bugs ( ... be changed so that the interrupt routine writes some number of characters ... of three m4 macros: __OPROTO for functions taking no parameters, ... or more parameters and __VPROTO for vararg functions like printf.< ... -
Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…
... and below this location (using FOR and NEXT and PRINT PEEK ... 're out of the said routine and back to BASIC, you ... be said about the ROM interrupt routine. Typically, the interrupts have to ... -
Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …
... maybe something of a challenge for everyone who likes devving.. ... turbo load (with level routine version if needed) that ... still think there is a place for them. the atari 8 ... "I'm alright jack" for those who don't.
for it... I have a ... -
New multicolor engine BIFROST*2[img]http://s15.postimg.org/rfue0jb3v/BIFROST2.png[/img] [b]BIFROST*2 ENGINE[/b] is now available! Download it here: https://www.dropbox.com/sh…
... to call your sound routine every frame. Take a ... my released multicolor games for examples on how to ... terrible. Buzzsaw shows the best you can achieve with ... leave enough CPU left for the beeper, even so ...
AY is the best choice for multicolor games, really. -
Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
... worst case, average 24T. Your best bet is probably one of ... case even if your code for the routine and the buffer RAM ... /> ;
; As many as needed for the width...
;
ldi ... -
Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
... worst case, average 24T. Your best bet is probably one of ... case even if your code for the routine and the buffer RAM ... -
Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
... worst case, average 24T. Your best bet is probably one of ... case even if your code for the routine and the buffer RAM ... -
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... long as the stack and interrupt routine is above 32768 and below ... way Spectrum BASIC uses decimal for addressing / poking / peeking etc, that ... error, save it and go for a walk, come back with ... -
Why Crashed fanzine closedMaybe the true story has never been told, maybe nobody cares! but at least this forum can hold its collective chin and say... ahhhh thats why... 200…
... I was reader and writer for all those magazines. Lee wrote ... think that there is no place for information still printed on paper ... love to have more writers for our mag as well, join ... one magaine, but the really best one. -
What??Just checking the forums, I found out that the thread about the future of WoS was closed, which is IMHO a very bad sign, as the thread was being usef…
... suppose to be (I presume) for information from the WoS team ... really the right place either :-(
The best place may be in ... -
Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... feel when you change a routine and save 9 bytes.. ... To give you an example, for my first ever attempt at ... at all, except for a redefine key routine I [s]stole ... T states or use an interrupt routine
- All sound ... CALLS to the ROM beeper routine, I didn't use ... -
Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... .[/quote]
Bad advice, imho. Best place to optimize is when analyzing ... said that was a substitute for better algorithms. -
Change of career/doing something different!!I've been working in IT since '97 where I got my first 'proper' IT job as a junior systems engineer for a big engineering company in Walsall. SInce …
... that doing any job for a significant time will ... with it? It all becomes routine, the challenges become ones ... I was at the same place for 19 years as a civil ... off out of the old routine. All the training has ... Few people have a career for life these days. Don't ... -
Change of career/doing something different!!I've been working in IT since '97 where I got my first 'proper' IT job as a junior systems engineer for a big engineering company in Walsall. SInce …
... of my enjoyable jobs were for the small companies, that was ... like the 80s. Gah! The best place to burn out is a ... you're in a better place now Chris. You should try ... -
Line DemoI was looking in the source code of another game (that Akalabeth game), with lots of line drawings. The difference was that they don't use the PL…
... with as low as possible for your routine, but I also noticed ... /> [quote="Timmy;876710"]And thanks for the help. I still don ... also synchronise with the 50Hz interrupt. -
48K (in 48) vs 48K in 128K / +2 / +3I'm sorry I've probably overlooked this but despite a search I did not see it. :( and looking at some of the tech pages did not really answer my ques…
... ) and are called during the interrupt routine that normally reads the keyboard ... 's plenty of unused space for it. Trouble was, lots of ... all FF's) as an interrupt vector table, leading to much ... -
Why doesnt this work???Simple piece of code wont do as it should, just want to fill the top 22 lines of screen with an attribute value (150) but it wont have any of it. Som…
... states compared to just 10 for ld sp, nn. And it ... bytes longer in total (1 for instruction and two extra data ... /> People are making ROM carts for the Speccy?
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interrupt routine multiply.
I do ... -
Gaming PCs (not just ZX emulators)As it was pointed out to me in another thread, I'm a little out of touch with PC hardware having only bought cheap laptops in the last few years. My …
... corners might not be the best place.
You'd be ... budget, possibly with an eye for future expansion. Of course, if ...
