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Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... Spectrum, the system variable VARS point to the variables area. The way ... of these in the var area).
[QUOTE=Arda]
Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... be great to have a BASIC interpreter for it :-)
[/QUOTE ... error handler set in another variable.
I have the ...Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…
... /> The idea is in the basic loader for your program, after ... turn it into a global variable instead.Developing the Spectrum ROMI'm working on some Z80 assembler for a Z80-based single board computer that I'm building. For the things that don't poke my hardware, I'm using a Sp…
... I was also partly using BASIC as a debugging tool. From ... RAM in the ROM area, where my BASIC needed to be, so ...Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... temporary storage at the variable CURP (or storage at ... in. If the
GRABed area
[/QUOTE]
area.
So ... to preload into that area all sprites that were ... copy them all into that area ( if they fitted ), ...Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... stay out of the paged area (the top 16k), ... whether we started from BASIC or directly (so i ... i safely "exit" to the basic editor?
[/quote]
basic in general expects you not ... to index the system variables area) and HL' (for ...Autorun BASIC programsIs it possible to write a basic program which will autorun after typing in LOAD ""? Thanks
... , then
Load code into variable via immediate command:
load ... was thinking in a only-basic approach, both for the secret ...Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... without sharing program area, memory free for Locomotive Basic is less than ...Little BASIC gameTry to make all standard BASIC-errors and tell us how you did it. Not allowed i.e. : PRINT USR 1362 D - Break cont-repeats but ok 10 GO TO 10 RU…
...
RUN
[B]2 Variable not found, 10:1[/B ... "
[B]C Nonsense in BASIC, 0:1[/B]
funny thing I found out!so this week end I was cleaning up stuff and found out a briefcase filled with drawings and stuff and in the midle of all that I found out a "plan"/"…
... , the +3 disk commands in BASIC are unequal to the task ... had to write a proper variable length record random access file ...DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…
... rid of that damned 128k BASIC - so when choosing solutions ... the compatibility issues, disabling 128k BASIC and enabling all other good ... machines, except that poor 128k basic, and you'll be ... unlikely that there's some area for easy improvements without side ...DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…
[QUOTE=glancaster;167176]128K BASIC doesn't allow you to ... write larger programs than 48K BASIC (it just seems so, because ... in workspace and in program area to be copied. The 128 ... only need space in program area to store the line.How to call plus3dos from high ram?Hello. I'm working in basizx disk access in spectrum version. The problem is tha basizx code is loaded in addresses above C000h, and plus3dos must b…
... arbitrary address without risking overwriting basic areas. Someone have a good ... space (say in the channels area where it shouldn't move ...basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…
... />
An aftermarket Atari Basic replacement added a FAST keyword ... code. If interpreter moves a variable for some reason you just ... interpreter.
The Atari BASIC replacement wisely made it optional ... out that a lot of BASIC interpreters didn't convert ...Death of the Computer Science DepartmentRead this article on the death of the computer science department in universities by Neil McBride from De Montfort. It makes very interesting (and wo…
... " are not equivalent to a basic Turing machine, I'd love ... have an understanding of the area, and that means the theory ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... of how to do a basic editor have a look at ... have it directly in the BASIC program. You could even have ... the whole of the map area to work with.All you ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... of how to do a basic editor have a look at ... the whole of the map area to work with.All you ... works. I grew up on BASIC, forgot most of it twenty ...If a C64 can do it...Forgive me if this isn't the right section. We've seen coders surprising us over and over again with excellent demos and things that a few years ago…
... on the Sam when using Basic and the Rom routines ... see is that the whole area your seeing from just ... that`s nearly a 20K area each and every time ... Colin said, still uncompiled SAM Basic, and it looks soo ... taking tips from Dunny`s Basic Tips thread.... has a ...If a C64 can do it...Forgive me if this isn't the right section. We've seen coders surprising us over and over again with excellent demos and things that a few years ago…
... see is that the whole area your seeing from just below ... that`s nearly a 20K area each and every time before ... everything I wrote with Sam Basic was slower than what you ...Spritual successor to the Speccy1988-1995 - Atari ST/STe/Falcon 1995-2000 - ? hmmm ? 2000-2006 - Playstation 2 with a keyboard 2007- ?
... to just do the most basic things ( apart from in Exec ... libraries in the user data area of the library base pointer ...Spritual successor to the Speccy1988-1995 - Atari ST/STe/Falcon 1995-2000 - ? hmmm ? 2000-2006 - Playstation 2 with a keyboard 2007- ?
... to just do the most basic things ( apart from in Exec ... libraries in the user data area of the library base pointer ...Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... the Hexadecimal notation of a variable d(x). Where the value ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... , I found the graphics storage area, ripped them via a Binary ... the slow response (written in BASIC). Works fine at about 500 ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... the CHARS variable, and I reformatted the Cybernoid data (using BASIC :)).
variable, but that doesn't seem ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... format. I`ve written a basic program that uncompresses the map ... br />
Here is the BASIC - it's probably pretty crumby ... code]
scr is the area where cybernoid gets its screens ... (A5AA).
scrdata is the area where the uncompressed cybernoid screen ...If a C64 can do it...Forgive me if this isn't the right section. We've seen coders surprising us over and over again with excellent demos and things that a few years ago…
... Ie POKE address,data in Basic. All Basic variables, all C variables ... C implementations. Strings in basic consist of a length followed ... global variables (all vars in Basic are global, ie visible ... function is sent not the variable itself), the notion of how ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... . Both will be slow in BASIC.
3/ additional problems if ... not hijack the music data area? Doesn't this reset each ...Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... ]. It made my very slow basic mapdata compressor program a bit ... code in an upper memory area (in a 128K machine), and ... file from the upper memory area. This will be much more ...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 …
... used variables first, your average variable lookup time may be as ... currently trying to optimise some BASIC routines, so thought I'd ... and over? Or does the variable get trashed from the list ... links to simple steps for BASIC optimisation is much appreciated.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 …
... when you define your variable (beginning of the program ... variable, it puts it back to the top of the vars area ... variables also. A simple variable can be promoted to ... a FOR/NEXT variable.[/QUOTE]
Thanks ... Does Line 30 shift variable "a" back to the ...
