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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…
... BC.
But how can you exploit this? Well ... , how about start at an even ... - it makes no difference to how it runs. But your routine ... 're better off using POKE to put it at a set ... address in BC of where to POKE your data before you ... -
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…
... into the buffer amounts to modifying the "nn" of ... /> I don't know how such a technique would be ... Especially if the buffer is to be cleared.[/quote]
... you'll still need to POKE the LD HL,NN' ... or possibly three cases to distinguish between (hello branching ... -
You thoughts on... MASKYou[U][B]r[/B][/U] thoughts on MASK. Mask from GremlinGraphics. The first game of the three. Just curious about opinions.. [url]http://www.worldofsp…
... how to overcome strong wind which blows here. I am using a poke ... -
Poke a TAP fileI want to poke a multiload TAP (Turbo the Tortoise)? I could load 1 part at a time and poke in an emulator, however I want to keep the TAP intact. …
... blocks have control checksums used to check if they loads correctly ... example. You want to use infinite lives poke and you found on ... requires poking at address 40000. How to find which byte from the ... tape will finally go to this addres ???
... -
Remove colour clash from Everyones a WallyWonder what the game would be like if the main sprite attributes were 8 hence avoiding the awful colour clash. Surely a handful of pokes would remed…
... wonder if it's possible to poke it so the characters retain ... />
And a .z80 to show how it works:
[url="http ... .
I'll try later to improve it. ;) -
Remove colour clash from Everyones a WallyWonder what the game would be like if the main sprite attributes were 8 hence avoiding the awful colour clash. Surely a handful of pokes would remed…
... possibly ask if you know how to hack it so the other ... seems to work the way you requested:
[code]
poke 43504 ... ,0
poke 43505,0
poke 43506,0 ... -
Head over Heels on 128KI noticed an interesting behavior of Head over Heels on 128K Spectrums, especcially with +2A/+3 machines. The game works, but after loading game, lo…
... after teleportation), when Head tries to jump down.
Anyway, yesterday ... a 48k version, just with Poke $b7c2,$00, and the only ... /> I still dont know what to do, so that the first ... proper fade out pattern and how to eliminate that annoying buzzing sound ... -
Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... and how it does that is not down to a bit ... ; not multiply. To multiply, you have to write your own ... . If you want to work out how to program that, you ... 44799
Then POKE in my routine, with the ... (65349 and 65358) and POKE it with a number from ... -
Time Gate graphics patchI've rediscovered Time Gate and one thing I don't like about the game is that it's hard to remember what's what in the status indicators. The manual …
... memory locations that I need to POKE.... I can do this with ... />
But what I want to produce is something that will ... - exit is
10 POKE 23613,0:SAVE "TIME-GATE ... to be called?
Or is it something else?
And how ... -
Help with Snake type game...any ideas ?Hi all I've attached me trying to write a snake type game. My first concern is me not writing over the System variables area. I'm pretty happy what i…
... , will have to be able to track how long the snake ... of it is, and how to make the end of the ... I'd be interested to hear how you solve it. < ... LET addr=22895
20 POKE addr,255:
LET ... addrle):
POKE oa,16:
GO TO 20
[/code ... -
How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... as .tap. Is how to load the custom characters from ... hangs and doesn't get to my game.
... machine code routine to copy the system font to memory, this ... routine. I want it to initialise all this before ... 2000: RANDOMIZE USR 61000: POKE 23607,60:CLS
... -
how to fix instructions on screenI have a problem with my sequencer. I want the top half of the screen to stay fixed but allow the note values to print without pushing the instructio…
... the data you want to scroll.
Poke 23659 (DF SZ ... exactly what i want to do. Unfortunately coding at ... part the next PRINTing goes to, as in
... This will allow you to have your program decide, ... I hope this helps to clarify how to do it.
Best ... -
how to load machine codeI'm reading Jon Caldwell's how to write Spectrum games but can't enter the code! Here's an example:_ LD BC, (score) Call 6683 I tried putting…
... various hints - or even how to put it in.
... what it does and how it does it. Too ... loop incrementing POKE's from the lowest to the highest ... that only PEEKing to see whats there, so to speak. Weird ... **** happens when you alter the POKE's ... -
A few Speccy loading questions.So I want my program which is mostly BASIC to automatically run after it's loaded from .tap file. How do I do this ? Also how would I add a loading …
More on using the POKE [url="https://www.worldofspectrum.org/forums/discussion/48437/how-to-stop-a-block-name-appearing-on-load"]here[/url] :P
[b][i]Mark[/i][/b] -
Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…
... want to POKE or PEEK data directly to the buffered attributes, either to add ... an ATTR() read, the address to POKE or PEEK is [b]( 63232 ... . The first number, '3', says how many sets of data there ... (and add to the byte count in 9140) to POKE your own UDG ... -
Getting a +3 working again (keyboard & tape socket issues)So, as part of my Spectrum restoration project I will also try to tackle the problem child among my fleet, the +3. PROBLEM ONE: Ever since I firs…
... fathom a way to get the solder to stick to the copper wire ... testing for, and how to do it - I can poke around with my ... trusty Gunson's pocket multimeter, presumably set to ... matter of seeing how that translates on a screen to what I ... -
ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... that would be interesting to investigate or take an ... there is an opportunity to gather info on these ... )
3) A facility to POKE games (also a 2MB project ... if progress is made on how it can be done.< ... I guess we have to stick to the GPIO as one ... -
User-friendly UDG banks/sheetsHello, retro-colleagues) Sometimes I still play Speccyal games and try funny things in BASIC, but one thing keeps me slow: [b]sprites[/b]. Alright…
... was a piece of software to analyse the picture and save ... blocks only.
Also how do you mitigate clashing and ... /> Several times I did try to color imported images, but it ... mistake in mentioning the address to POKE, I should have said "256 ... -
Komando 2 incompatible with the +2A models, anyone could supply a poke or a loader to make it work?http://www.worldofspectrum.org/infoseekid.cgi?id=0002734 Is any way to make it work in the +2A models with a loader or poke? Thanks!
This is a POKE for the game code itself ... need something like Spectaculator's POKE function while the game is ... brief look, this loader appears to use compression and encryption ... perhaps ... else has a better idea how to patch smth like that :-\" -
1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…
... on this planet knows exactly how to pronounce the title, but that ... />
I would like to introduce you to two wonderful things known ... screen. Little did I know how BASIC it was! I pressed ... br />
After POKE-ing the program to remove the Caps Lock ... -
how do i get more udgs on the spectrum in basic?how do i get more udgs on the spectrum in basic? i know there r only supposed to be 21 but is there a way of getting more in basic? i know its doable…
... can use. It needs to be lowered so that ... Basically, you need to work out how much total space your ... extra UDGs, you have to POKE the system variables that point ... It can be frustrating to get the numbers right ... ads, you'll see how I draw the apples/tomatoes ... -
Bomb Jack issueSo i came here to get my all time favourite... Bomb Jack I got the emulator, i got the file, the game loads fine but and when i try to do that sup…
... /> First i had to learn how to insert a POKE code since i never ... />
When i finally learned how to do it instead of "shift ... Having a bit of sensibility to computers and codes (since it ... key...
Great to be able to get all those sparkling ... -
Help with adding graphicsHi, After like 20 years or so I started playing again with Spectrum stuff, especially programming. I tried to dig into machine code, but apart f…
... got annoyed that the code to poke them all at the start ... so eventually I figured out how to do that in machine code ... s fairly playable. Suggestions on how they could be improved would ... and I don't know how it was done in the ... fit? Or some hints on how to use Zeus? -
printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... you're trying to do more than you know how to /:)
Anyway ... /> ld (hl),a ;copies 11101010 to attributes
ldir ;FLASH 1 ...
pop de
;POKE CHR ONTO SCREEN
ld ... -
Saving and restoring data in 128kHi all I'm trying to program a game using compiled ZX Basic for the +2A/+2B/+3. Thanks to a lot of info I found on the forums, I manage to access …
... (POKE -> OUT -> SAVE) but I don't know or how to ... -
Saving and restoring data in 128kHi all I'm trying to program a game using compiled ZX Basic for the +2A/+2B/+3. Thanks to a lot of info I found on the forums, I manage to access …
... (POKE -> OUT -> SAVE) but I don't know or how to ... I don't know or how to control is what data is ... example: FOR A = 49152 TO 65535: POKE A,37.PI: NEXT A ... commands you can use are: POKE and PEEK. As you ...
Since using PEEK and POKE is very easy, I'll ... -
Two different versions of Bruce Lee?There's a possible MIA here, I think. I sat down at lunchtime to play a bit of Bruce Lee and discovered that the version I'd downloaded from WOS (th…
... quote="Art;952166"]I tried to figure out how to move the loading screen ...
Spider mentions earlier above how the game was mastered with ... R register, and the POKE above in the listing enables ...
If you POKE 55948,201 before the RANDOMIZE ... -
AticAtac DisassemblyHi Guys, I've been spending quite a bit of time the last 2-3 weeks working on the AticAtac disassembly, evolving it into a much more documented as…
... [/url] up about my experiment to hack user-defined keys into ... .
Please feel free to incorporate it into your project ... /> If you can figure out how to make my mod be a ... .
Fixed by a POKE 38687, 211 (instead of 212).
