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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 ... speed up BASIC, however using variables instead of numbers was onlt ... -
128 ramdisk loaderanyone got a program which will save the contents of ramdisk to tape in one go, rather than saving each file seperately then loading them and save!in…
... saved/loaded; some of the system variables (at least those from 5B83h ... -
128 ramdisk loaderanyone got a program which will save the contents of ramdisk to tape in one go, rather than saving each file seperately then loading them and save!in…
... saved/loaded; some of the system variables (at least those from 5B83h ... -
Adding commands to Spectrum BASIC?Are there any articles on how to do this? I think it could be done by making the error trapping routine point to your own commands, but not sure exac…
... had to do with the system variables. I don't have access ... -
Help with loading knowledgeHi. I'm new to spectrum coding and have a few questions to do with how the spectrum loads programs. You press LOAD "" and play the tape, and it find…
... 't caused any Interface 1 system variables to be added, it changes ... -
Turbo Imploder Anyone clued up on how to use this ? I've managed to pack a few of my own games, but I notice the default start address is always 24576, can you go…
... allow you to reset the system variables to power up values and ... -
42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... in RAM just after the system variables and before the BASIC area ... -
42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... in RAM just after the system variables and before the BASIC area ... bytes from 23568 is the system variable STRMS, which holds the ... -
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 ... -
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 …
... from the start of the system variables onwards to the end of ... just typed, and as the system variables are all set up to ... />
If you edit the system variables so that a BREAK or ... -
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 …
Mulder, it's possible that they do. If you know your system variables fairly well (and how the ROM uses them when executing commands) then you can do some quite surprising things.
D. -
Enjoy it while you can [url="http://comp.sys.cbm.istheshit.net/"]http://comp.sys.cbm.istheshit.net/[/url] The image has been reported. Has anybody got a better one?
... my encyclopedic knowledge of Spectrum system variables and infinite lives hacks.
Detecting TR-DOS from BASICIs there a simple (or contrived :D ) way to detect the presence of a TR-DOS/Betadisk interface from BASIC? For fairly obvious reasons this can't rel…
... wrote:
There is a system call to test for the ... work on a TR-DOS system :)
(and PEEKs, or ... )
The "TR-DOS System Variables" document on WOS suggests I ...GUI in sinclair basic.Can anyone point me to any existing subroutines or functions or library to be called whithin sinclair basic to create visual command like messageboxe…
... reboots the operating system and resets all the System Variables to their default ...Detecting TR-DOS from BASICIs there a simple (or contrived :D ) way to detect the presence of a TR-DOS/Betadisk interface from BASIC? For fairly obvious reasons this can't rel…
Yeah, but the address of that REM statement will change depending on whether TR-DOS or Interface 1 is present (since extra system variables will be present)
I'm jsut trying to be awkward now - I know it's possible using this method :)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…
... map holds the BASIC ROM, system variables, etc. while the I/O ... result.
Each of the variables used in the definition must ...+3 disc imaging (idea + SDP)Following a bit of research, which you can probably see in the "old code" thread, I had an idea for a bit of software that may be useful (for me, and…
... random garbage and the protection system can therefore detect a ... something about this disk protection system way back when.....
... the disk, write a few system variables (my own, not the Spectrum ... Return to BASIC, peek the variables out and write to the ...how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this: PRINT USR xxxxx, arg1, arg2:…
... need to set the appropreiate System Variables. ie. see the back of ...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…
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[code]
// Attach C Variables to Sprite Graphics Declared in ... to do with the Basic system? Nothing usually, but the ULA ... a video frame. The Basic system puts the z80 in im1 ... IY to index into the system variables area. Now since I've ...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…
Useful if you want to examine the System Variables...Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... they update all the other system variables to match.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…
Detect if program was loaded from tape or microdriveHow (if at all) can a BASIC program detect if it was loaded from tape or microdrive? This can be helpful to then load the screen or more machine code…
... can you not use the system variables to find out which line ... can you then use the system variables to see which statement in ...for a stupid: what?s NMI?erhm, yes, I?m not familiar with it... :rolleyes: I know the function of a hardware ?snapshot? button from Didaktik M/Kompakt, but I?m not familiar…
... broken, and
b) the system variables and other BASIC structures may ...CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…
I compiled this list of ones that I had come across for css. However they are more an indication of last-minute changes than any poor standards. The book remains one of the best manuals ever.
The ZX81 manual had a minor error in the RND explanation ...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 ... ,z80...). It knew [b]edit variables data[/b]. I dont remember ... debug[b] with items - [b]variables, system variables, breakpoints, memory map, watches...[/b ...CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…
Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
... spectrum manual, the chapter entitled "system variables". This is the place to ...Alittle pic of the two different rubber key mats Grey and BlueAnd they are naked too :o Can someone please post a pic of one of the supposed faun coloured speccys i am desperate to see one :) [url]http://www.s…
A very early Spectrum should have the very early manual.
Check out page 176
[url]http://gwearmouth.googlepages.com/p176.jpg[/url]
which mistakenly uses ZX81 system variables in the final programs.
