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Odd keyboard behaviour due to a single bit failure in +3 ROMI've just fixed a spanish +3, which, among normal issues (drive belt missing), presented a very strange one: the keyboard autorrepeated without a del…
... 23561 and 23562 (the two system variables that are responsible of autorrepeat ... region called K-STATE in system vars).
Apart from ... -
Converting 50ths of a second to hours, minutes and seconds...Hi Folks, I have written some code to convert the interal Spectrum clock from 50ths of a second to hours, minutes and seconds. The following code s…
... returned from PEEKing the three system variables in 50ths of a second ... -
Return to +3 BASIC from 48K mode.Hello Spec-Chums! I don't know if this trick has been posted before, if it has, i apologise, but i have not been able to find it. Anyway, here goes…
... found that provided the new system variables in the former printer buffer ... -
New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…
... PCs running the Windows operating system. Its role is to compress ... plenty of space for the system variables and BASIC program area. The ... -
A Rare Spectrum BookA rare Spectrum Book has been recently uploaded by JP - The Guide to the Spectrum ROM by Andrew Pennell [url]http://www.worldofspectrum.org/infosee…
... and accurate list of the System Variables and rather spookily he anticipates ... that the NMIADD system variables will be used to extend ... -
The INPUT command routine ($2089)I was looking at the INPUT routine with a view to modifying the intro so that I could pre-load the workspace and edit an existing value, rather than …
... a 'LINE'.
All the system variables have to be reset before ... -
Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... Using PEEK to examine the system variable P-RAMT produced 32767 ... every time. Once the system had initialised it could run ... upper RAM. I assume that system variables and data structures etc. were ... upper RAM, but the system later crashed because these were ... -
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 mode ... least one lower case letter (variables are case insensitive anyway).
system variables, freeing up an extra 168 ... -
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…
... changing the REPDEL and REPPER System Variables. I thought that lowering the ... -
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 ... /> Another method of preserving variables is to assign them in ... statement. Space for these variables (or pointers to them ... structured - disposition) then the system variables NEWPPC & NSPPC are available ... -
Varios +3(e)DOS questions?I'm converting tape games to disk, for being used in my +3e. I'm trying to convert them to standard BASIC loaders, so files could be copied using BAS…
... keep the printer buffer and system variables intact? When doing a read ... -
What's the POKE that removes the Start Tape message when saving?I'm sure there is one... you could POKE one of the system variables and when you SAVEd it would do it without the pause and the Start Tape message. …
... could POKE one of the system variables and when you SAVEd it ... -
Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…
... guarantee the state of the system variables AND as I am using ... -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
How do you go about changing PAPER and BORDER colours from machine code?
I've forgotten the system variables for border and paper. -
Zero 0.7 / Zero 0.6.5 releasedAfter months of grueling work, I?m proud to announce the Vanilla version of Zero, which is a regular Windows version of the emulator. I?ve tried to m…
... .
? Fixed tool tip for system variables not showing hex number if ... -
Detecting TR-DOS w/o relying on system variablesOK, I know it's much easier to do this simply by checking whether the BASIC program area has moved or some specific pattern in the sysvars etc (somet…
OK, I know it's much easier to do this simply by checking whether the BASIC program area has moved or some specific pattern in the sysvars etc (sometimes even checking the current value of PC might do). But let's say that, for whatever reason, you wanted ... -
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…
... to without messing with the system variables or the actual program listing ... -
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…
... me not writing over the System variables area. I'm pretty happy ... -
ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
... issues. I am changing the system variable DF CC to point ... print routines are updating other system variables to check what 1/3 ... -
What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... PSU 'brick' itself
System variables (two bytes maybe) to change ... -
z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …
... $ file from the disk using "system( command )" - yes I know I ... have upon compiling when using "system()" it simply isn't implemented ... Memory that are used by system variables and then have the basic ... -
Fuse 1.4.1 releasedA new release of Fuse, the Free Unix Spectrum Emulator, is now available at the SourceForge project: https://sourceforge.net/projects/fuse-emulato…
... "tape:microphone" and "spectrum:frames" system variables to allow access to the ... -
Fuse for macOS 1.4.1 ReleasedA new version of Fuse for macOS has been released at the dedicated sourceforge project: https://sourceforge.net/projects/fuse-for-macosx/ Note …
... "tape:microphone" and "spectrum:frames" system variables to allow access to the ... :
[list]
[*] All Z80 variables in the debugger must now ... -
Clever, yes. Useful? Not so sure. Re: LOAD ""CODE gamesI was always curious about how the (few) games that require that you type LOAD ""CODE, rather than the usual LOAD "" worked, but only just now decide…
... is it saves all the system variables, including the last command (RUN ... -
Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... scroll.
-The management of variables for speeding up the program ...
2-Flags of the system variables
3-Piston for the ... -
Adding command to BASICI am looking for an article about adding commands via software to sinclair basic. I know there was one published and to the best of my knowledge it w…
... to use some of the system variables to redirect the error handler ... -
Computer Haiku (converted from C64)[url=https://archive.org/details/Computer_Haiku_1983_CES]Here's the original C64/PET program - "Computer Haiku" by Commodore Educational Software, 19…
... , and uses massive strings of system variables, POKEs and control characters instead ... , just in different colours. More system variables and control characters had to ... generator was set by the system timer. I thought it unnecessary ... -
PSI ChessHi, Anybody out there remember the game "PSI Chess" by The Edge? Well, there seems to be no problem finding a snapshot ot tape image for this game …
... BASIC, or protected it with system variables, some emulators should be able ... -
Character set variableCan anybody help me? I'm trying to find out where the pointer to the ascii character set is. I remember that if you wanted to change the font on the …
... chapter 25 you find the system variables.CHARS is the one you ...
