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Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …
... with the actual memory address where the variable's data is.
PEEK/POKE values at an absolute memory address instead of ... -
Read Data from memoryHi there. Not been on this scene for a long time. Does anyone know how to do a routine to read data from memory(peek..etc) rather than using lines of…
... do a routine to read data from memory(peek..etc) rather than using ... lines of data in basic...
40 next f
50 data 1,2,3,4,5 ... -
New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…
... can use this poke:
POKE PEEK 23633 + 256 * PEEK 23634, 111
memory. Alternatively, POKE 23608,255 gives a ... stack where the appropriate return data lies. Try calling a few ... -
Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... well as 64K bytes of memory. The memory map holds the BASIC ... />
Associated keywords
OUT, PEEK, POKE
**************************************
OUT
Description
This sends data to the addressed peripheral on ... -
Loading ScreensWhat method of revealling loading screens can be achieved in BASIC or is the only one which can be done the one which reveals it line by line over an…
... then use PEEK & POKE to move the loaded data into the actual ... other pages on a 128 ) memory of speccy into one string ... .g. of this memory.
The POKE command in BS-DOS ... that you can POKE a whole string into memory from the start ... -
Trouble compiling my BASIC programI've been trying to get a compiled BASIC version of Swift Turtle with no luck so far! I first tried MCoder 3 and it [i]seemed[/i] to compile the prog…
... no-no, and using READ/DATA is strongly not advised.
DATA and manage your own data storage using PEEK/POKE. You can ... and it's just a memory issue. Keep things small or ... -
Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
... then always decrease the PEEK value with 128, ... DIM or DATA but as bytes in memory. Here's ... data using POKE and read data using PEEK. Up to 8Kb of data ... You can save your vector data using
[code]
[code]
LOAD "data" CODE start
[/code]< ... -
address 23760 etc.Hi all, Where could I find Spectrum 48 addresses, what's in 23760 for instance ? Thanks for advance ! -jp
... the pre-loaded program's data area (or directly modifying the ... CPU in addition to addressing memory also has an addressable ... is quite separate from the memory space.
In ... managed using these commands:-
Memory:- PEEK and POKE are used.
I ... -
address 23760 etc.Hi all, Where could I find Spectrum 48 addresses, what's in 23760 for instance ? Thanks for advance ! -jp
... the pre-loaded program's data area (or directly modifying the ... CPU in addition to addressing memory also has an addressable ... is quite separate from the memory space.
In ... managed using these commands:-
Memory:- PEEK and POKE are used.
I ... -
storing level datahi everyone im using arrays to store level data. its not working. just to set up the walls takes an array of size 92*2 is there a better way?
... Robin,
If your data is numeric and there is ... via PEEK/POKE. It does get a little more complex if your data ... a big saving in memory terms although the PEEK/POKE becomes more complex ... />
Another option if your data falls within 0-255 is ... -
New SpecBAS available - v0.710Been a while, but I've just uploaded the latest build of SpecBAS. This one now supports tilemaps (with rotation and scaling) and added OVER mode (XO…
... just use the game's data memory locations and offer a friendlier ... alternative memory pool, from which it can save and load data, and ... access it via POKE/PEEK? What I mean ... memory pool can then be examined or altered by POKE and PEEK, i ... -
New SpecBAS available - v0.710Been a while, but I've just uploaded the latest build of SpecBAS. This one now supports tilemaps (with rotation and scaling) and added OVER mode (XO…
[QUOTE=ewgf;579158]Thanks for this, Dunny, but is there an archive of programs I can try for it?[/quote]
I shall pop an archive of demo programs up for you. Here you go:
[url]https://sites.google.com/site/pauldunn/demos.zip[/url]< ... -
+3 DOS questionHey all, Is it possible to catalogue a +3 disk to a variable somehow from BASIC? I'm looking at extending my Snapshot to Microdrive utility, so it s…
... data has been retrieved, ottherwise it runs off through memory; eg:
POKE ... 23643,PEEK 23641: POKE 23644,PEEK 23642
PEEK a: NEXT a -
Newbie Spectrum developer advice ....Hi, Im new to the site and to spectrum developing - well, not quite, I wrote Spectrum programmes in Basic 30 years ago but then went off into the wo…
... the RAM directly via PEEK & POKE or indirectly via LET ... memory from BASIC, apart from saving extra BASIC, CODE & DATA ... something is loaded into main memory it overwrites what was ... code & data to see if any significant memory savings could ... -
What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... best to begin with learning PEEK, POKE and what BINARY is, if ... or alternatively a bit like POKE and PEEK, depending on what you ... think of as internal processor memory stores which are separate ... the program memory where your machine code routines and data are ... -
more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…
... background DATA can be referenced & modified in situ with PEEK & POKE ... PEEK a>=217 THEN
POKE a,PEEK a-201: POKE a+1,PEEK ... /> POKE a,PEEK a-150: POKE a+1,PEEK (a+1)-96: POKE a+2,PEEK ... -
ebook on graphicsi would like to learn coding about sinclair graphics in machine code. is there any scanned ebooks about it on a site?
... have to extract the BASIC/DATA from the resulting mess and ... stuff like GOTO, FOR, NEXT, PEEK, POKE etc work, and string/numeric ... -
Game being created with Platform Game DesignerBeen playing with this since yesterday when i bought it from Cronosoft. To someone like me who cant program its excellent to create a Manic Miner st…
... sent him about where to PEEK & POKE: addresses 33381 and following ... then be written to the memory location for the key you ... -
Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …
... be faster to PEEK/POKE values at an absolute memory address instead of ... -
Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... write screen data at that char to any address in memory (e ... the screen
; to a memory location of your choise (address ... /> ret
; Data Locations to POKE
x defb 0 ... dst defw ff58h ; holds the memory address to write udg (e ... -
Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... m referring to the free memory for use with BASIC. ... wondered about how much memory it has if you include ... the memory used to boot it ... must use combination of PEEK and ROM routine call ... of RAM via Ramdisk and PEEk-POKE.
Finally, C64 has ... -
Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
... to take one of the memory chips off the issue 2 ... possible to buy the correct memory chips for the issue 2 ... it possble to do a PEEK/POKE test on the 16k chips ... -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
... does not page in with PEEK, POKE, IN and/or OUT, it ... inactive (5 volt).
PEEK, POKE, IN and OUT don't ... treat the address' contents as data, so /M1 is inactive when ... -
Loading ScreensWhat method of revealling loading screens can be achieved in BASIC or is the only one which can be done the one which reveals it line by line over an…
Essentially you can reveal the screen from BASIC in any way you want - simply load the screen as code into RAM, and then use PEEK & POKE to move the loaded data into the actual screen buffer in any order you wish. -
Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…
... "" CODE, and then examine the memory with the Spin debugger I ... using BASIC commands, i.e. PEEK, POKE, LOAD "" CODE etc.. you always ... -
BASin r14d - Final bugfix for the r14 seriesOk, there's not a great deal to "show" here, as most of the work has been going on "under the hood" so to speak. And there's been a [i]lot[/i] of wor…
... have to put your data to the memory by "poke"ing and saving ... -
Image to ZXSpec 1.0Hi, I've written a piece of software (still not finished) that outputs any kind of image onto a Spectrum having being converted on a PC. It takes a…
... place on screen. I think peek/poke can do this, how fast ... frames, assuming 4 frames second (memory speed is the issue here ... -
Image to ZXSpec 1.0Hi, I've written a piece of software (still not finished) that outputs any kind of image onto a Spectrum having being converted on a PC. It takes a…
... place on screen. I think peek/poke can do this, how fast ... frames, assuming 4 frames second (memory speed is the issue here ... fast enough on some emulators. POKE from BASIc is too slow ... -
48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…
... (BEEP, 128k PLAY), or UDGs (POKE USR "letter") should be removed ... re-written
* READ/DATA commands should manually and painstakingly ...
(insert stuff about PEEK/POKE/machine code here - someone with ... -
48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…
... (BEEP, 128k PLAY), or UDGs (POKE USR "letter") should be removed ... re-written
* READ/DATA commands should manually and painstakingly ... />
(insert stuff about PEEK/POKE/machine code here - someone with ...
