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Machine code and Basic system variablesSpectrum system variables (I mean 48KB model) are essential for Basic. But what if I started my machine code program and it's never going to return t…
Spectrum system variables (I mean 48KB model) are ... to Basic? Can I overwrite system variables area with my data?
system variables somehow.
If I ... -
System variablesIs there a list of system variables anywhere I can use? Like 23658 poked changes caps lock etc. What address do I poke to change paper, border and …
Is there a list of system variables anywhere I can use?
Like 23658 poked changes caps lock etc.
What address do I poke to change paper, border and ink? -
Program sizeI am typing a basic program into a ZX and I need to find out exactly how much memory it is using. Is there a way to calculate this? :confused:
... would be
let prog=peek 23635+256*peek 23636 ... prints the difference of the system variables PROG and VARS, pointing to the ... the ZX BASIC manual, the variables follow the program immediately, this ... -
Please help me complete this lil'programI'm editing Basic programs that were saved in Timex TOS discs, and every load command starts with LOAD *"filename". If I want to go through these pr…
... the loop for everything between system variables PROG and VARS which is one ... ) to see how to find PROG and VARS. After the MERGE ... -
Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve
... /> [CODE]; Labels
; System variables:
PROG equ $5c53 ; Start address of ... Start address of the BASIC variables area
; ROM ... ):
ld de, (PROG) ; PROG - address of the start ... PROG) ; HL = PROG. We set VARS to the start of the variables ... -
.Z80 File Format when exported by SpecEmuI'm trying to parse a .Z80 file generated by SpecEmu but am getting a few discrepancies from [url=http://www.worldofspectrum.org/faq/reference/z80for…
... highlight differences in registers, Screen, System Variables, PROG, VARS, CHANS and Stack as ... -
Interesting tip to speed up user experience...Hi Folks, I suspect many of you will already know this but it only dawned on me a couple of weeks ago. Whilst trying to improve the speed on my XIN…
... . Whilst trying to improve the speed on my XINPUT (full screen ... changing the REPDEL and REPPER System Variables. I thought that lowering the ... Set REPDEL & REPPER to speed up keyboard response
1010 ... -
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…
... ) with 0 (see the system variables section below).
This system variable contains various flags controlling ... the Basic system and generally should ... respectively. POKEing this system variable will affect the ... -
Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... every possible combo the speed of the printing routine ... /> ; so look at the system variable PROG
dec hl ; move ... the
push af ; operating system.
call doit1 ;
... of space for some
; variables.
atflg:
... -
BASin Release 6 available for DownloadHi all - It's another cut'n'paste from CSS :) I've been tapping away again, and seeing as a couple of people have recently seen BASin's latest bits…
... code, examine and edit your variables at runtime, add watches ... convenience. Eventually, when the speed of the interpretation is set ... to true spectrum speed this will not be ... full hex editor.
Added System variables viewer/editor
Added watch ... -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... your BASIC code to identify speed bottlenecks
Powerful ... keeping track of the system variables without having to remember ... Autothrottling to maintain 100% speed no matter how heavy ...
Code profiling - measure the speed that your program runs, for ... -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... your BASIC code to identify speed bottlenecks
Powerful ... keeping track of the system variables without having to remember ... Autothrottling to maintain 100% speed no matter how heavy ...
Code profiling - measure the speed that your program runs, for ... -
Emulator for viewing variables dataI am looking for a windows emulator, this emulator can view variables data used in game (tap,sna,z80...). It knew edit variables data. I dont remembe…
... emulator, this emulator can view variables data used in game (tap ... ,sna,z80...). It knew edit variables data. I dont remember its ... like View debug with items - variables, system variables, breakpoints, memory map, watches...but ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
...
; so look at the system variable PROG
dec hl ; move ... ; done
; --------------
; TEXT VARIABLES
; --------------
;
; Used by ... -
I forgot which system variable I need...... to prevent the message 'start tape, then press any key'. I saw the system variables list but it's not helping. I know I used one poke to bypass t…
... to prevent the message 'start tape, then press any key'. I saw the system variables list but it's not helping. I know I used one poke to bypass the messagem but I can't find it. :( -
A tidy loader for minigamesThe minigame competition doesn't permit the use of separate loaders like [code]10 LOAD "": RAND USR 32768[/code] The loader must be included in the b…
... ]
It uses two variables: a string variable contains all ... -
OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... can still be used as variables by switching to INSERT ... one lower case letter (variables are case insensitive anyway).
system variables, freeing up an extra 168 ... output.
* Optimized for speed. The original ROM was mainly ... -
A Miscellany of Dangerous TipsHere's a selection of ideas for using some of the more obscure system variables which I've found handy on occasion. They can be very convenient if us…
... of the more obscure system variables which I've found ... or program variables) between the end of PROG and the ... /> Another method of preserving variables is to assign them in ... structured - disposition) then the system variables NEWPPC & NSPPC are available ... -
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…
... cases where cracking the loading system is orders of magnitude more ... to get into. The loading system, however, is a real treat ... the BASIC overwrites all the system variables, sets up ERR_SP to point ... -
RGB values for Spectrum colorsDoes anybody know the true rgb color values for the spectrums 15 colors. I'll assume that black is 0,0,0 White is probably 255,255,255 But what are t…
... to peek the date from system variables.
[url="http://home ... from 400% SAM speed to 525% of SAM speed with all frames ... -
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…
... all I can
`find: system variables, pokes, addresses of
`ROM ... what they like with the speed they have, but I have ... -
Speeding up BasicHi, Does anyone know whether it is faster to use variables than numbers in Sinclair basic? What I mean for example, is Poke A,D quicker than Poke 5…
... a test using the the system variables 23672 etc. and executing the ... results show a Poke with variables taking slightly longer. However LET ... various ways to speed up BASIC, however using variables instead of numbers ... -
TLOTRD - compiling problemsOk guys! A new demo for 'The Legend Of The Red Dragon' is nearly finished (just need my bro to draw some artwork as I'm using sample images from the …
... , but have you tried various system variables to stop it from allowing ... pure CODE at the sysvar PROG, perhaps? A slightly longer load ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... char dx; // signed horizontal speed in pixels
char ... dy; // signed vertical speed in pixels
};
... to index into the system variables area. Now since ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... liked the single key input system of the 48K), you couldn ... they'd done *nothing* to speed up the notoriously slow BASIC ... the printer buffer and the system variables in BASIC, but they could ... -
Programs detecting Spectrum modelsHi. I'm curious about knowing how some speccy games detect if they are runnning in a 128k or 48k model. What tricks can be used to make this in a Spe…
... system variables) version of woody's code, essentially), and then does some speed ... a program to do the speed tests... the tricky bit is ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... for space, but bad for speed. Here's a very small ... 't use the ROM or system variables.
[CODE]
_WAITFORNOKEYS ...
