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Random GRASSHello guys, Many yrs ago I used predefined UDG as grass to fill some area, adding to it via PLOT or POKE. It seems that PRINTing a string$ combin…
... LPRINT.
Try this routine:
Spectaculator .SZX format ... to choose which one to test).
Play with paper ... -
Drawing LinesHas anyone got any experience of coding a Bresenham line drawing algorithm on the Speccy? I've had a go and I find the algorithm has quite a few s…
...
sub e ;the Bresenham test
jr nc,.set7
[/code]
Usually the routine would have 4 blocks like ... -
Drawing LinesHas anyone got any experience of coding a Bresenham line drawing algorithm on the Speccy? I've had a go and I find the algorithm has quite a few s…
...
sub e ;the Bresenham test
jr nc,.set7
[/code]
Usually the routine would have 4 blocks like ... makes possible to keep the routine size down and the speed ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... and includes the patched ROM routine):
1) Loader ... 't work.
My test 128k Z80 snapshots were Daley ... do not add autorun basic routine to disk, useful if you ... add
your own loader routine later
-h: make the ... -
Can I record binaries from any emulator with Basic commands, machine code, macros or something?Hello I do not know if this is the right place to put this question Normally with ZXSpin if I want to save a binary file, I'm going to: file ->…
... way also be able to test them in the emulator directly ... the space occupied by the routine that creates the binaries
ZX Spectrum rescued from a friend, has Issues.Hi guys, I've recovered this ZX spectrum 48K from a friend. It's a 1984 ISSUE 6A. He told me the last time it was turned on was about 30 years ago!.…
Okay, here is another simple test program. Can you run this:< ... show how many cycles the routine went through.
[b ...ZX Spectrum rescued from a friend, has Issues.Hi guys, I've recovered this ZX spectrum 48K from a friend. It's a 1984 ISSUE 6A. He told me the last time it was turned on was about 30 years ago!.…
... "]Okay, here is another simple test program. Can you run this ... show how many cycles the routine went through.
[b ...Dispair at the pace of life > 40 years.Its been a funny kind of winter this year. The fall from August to December went so fast for me that it seemed like a blink. Christmas comes and ever…
... 'm told again, I like routine. She places something in to ... /> IT'S A POSITIVE PREGNANCY TEST!!
My first reaction ...Mighty Maths ProgramsIn a break from typing in listings from 37-year-old magazines, I had a sudden urge to write a maths-related program, as I do, occasionally. Some, suc…
... (and the BEEP-less error routine compensates for this). This is ... have a real ZX81 to test it with, but if anyone ... Spectrum to zip through the routine in no time at all ... worse, and the long multiplication routine as I've written it ...Randomised data samplingHere is something that could be written in BASIC, if anyone is interested. Lets say we want to sample a subset of a larger population, we can do t…
... set up in the previous routine, but not sample the same ... from the larger table and test them to see what value ... don't want it to test the same item twice.
Zynaps scrolling - anyone ever reverse enginnered this?Zynaps has IMO some impressive scrolling - it utilises 18 character rows of the display file, so quite a large active play area, and scrolls 2 pixels…
... limit, it runs a delay routine according to this counter to ... [/i] way it uses to test for collisions :)) But that's ...Can anyone with experience of releasing AGD games help me out?My game is finished. I also have a loading screen, and I also have a wee tune I made in Beepola for the menu screen. It's all ready to be put togethe…
... starting address of the music routine + the song.
3 ... export it. You can't test the game afterwards, because the ... tap file is ready to test.
So yes, it ...converting decimal into binaryso like the opposite of the bin function. in basic if possible. it only needs to be an 8 bit number. like a dec$ function?
... ?
This is the routine I ended up using and ... ),$1C ; code "0"
rla ; test bit 7
jr nc ...Keyboard Encoding. Would like to gather thoughts on it.Hi all, I've almost finished the first part of my open-spectrum design, and wanted to bounce one of the ideas I'd incorporated off people prior to…
... "Hit any key" kind of routine where they were all low ... . ( eg, like the mic/speaker test )...
Regards
David ...How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks
... memory check routine does not specifically do a proper test to see ... , or running a proper memory test program is the only way ...OqtaDrive - Microdrive emulator for Spectrum & QLQuite a while ago I reported about my [url="https://worldofspectrum.org/forums/discussion/55983/yet-another-microdrive-emulator#latest"]first prototy…
... was quite interesting. The FORMAT routine on these earlier machines is ... are written. This is to test more of the tape area ...how can we load +3dos files in assembly?is there some way to load +3dos files in assembly, like calling bios routines somewhere? (like defining in registers the filename string address in m…
... /> I think so. I cannot test them at this time, will ... from ZX Basic an ASM routine that changes IX, simply preserving ...Fighting Warrior's protection systemThis is one of those bizarre cases where cracking the loading system is orders of magnitude more fun than playing the game. (Indeed, discovering I wa…
... bunch of Raspberry Pis for test machines ... anyway, I digress).
routine and hence the code to ... code to load a copying routine, and self-modify it [i ... jump to it. The copying routine takes the code hidden on ...FOR vs LET (speed)Hi dear friends. A question for you 10 FOR I = 0 TO 10 11 PRINT I 12 NEXT I 10 LET I = 0 20 PRINT I 30 LET I = I+1 40 IF I < 11 THEN GOTO …
... />
Which emulators did you test with? Your numerical results may ... even bigger, but the first routine is still significantly faster.
