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quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... pourri/txt2emu.zip]TXT2Emu[/url] program for loading listings; it ... br /> [*]The listing file is loaded as a BASIC program into the emulator.
program uses those lines) and SAVE ... RUN again and enter zero when prompted for the length.
Why do modern computers go slow?I'm not so much thinking of home PCs slowed down by viruses, more the extent that modern programmers think about the speed of their code. For exampl…
... /> Windows was usually to blame when we talk about startup loading ... different machine code... if the program is running generic old 386 code, it ... hogging the system resources. A bad designed program or hardware driver, could ...ZX-Modules app reportZX-Modules app report If You are interested, I want to report about the state and progress about my ZX-Modules programs. I would like to report at l…
... can easily track what is changed/where they are found when multiple.[/QUOTE ... rather an error report when a relative jump is out of range. Instead ... .
First a basic error report, as in a regular assembler. Make ...BIN2TAP: a new utility for converting binary files into *.tap imagesI just knocked together a simple command line program to convert binary files into ZX Spectrum tape (*.tap) images. There is an old program BINTAP wh…
... like that. Now, creating such BASIC program is not too hard, but assembler ... just pre-made a .tap with all the basic loader etc and ... use a script or batch ... of various components that explode when a file is in the wrong place ...Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... i've interfaced AYcog which is a AY3891X emulator by Johannes ... the last frame. When a new frame is queued, it will ... determine through │
│ experimentation what the limits are. By pushing ... an android tablet with a midi player app running :lol:
...ZX81 Programming...Hi all I've just bought this... [IMG]http://i.ebayimg.com/00/s/NDY2WDU0Ng==/z/iKIAAOSwbqpT4jI-/$_57.JPG[/IMG] and this: [IMG]http://s22.postimg.o…
... at a time.
They both have line-by-line BASIC program ... begins with a number is assumed to be a line for a BASIC program and gets ... on its own to start a program, and hold CAPS-SHIFT and ... without a reset. Then only transfer it to the real machine when ...How copy a load menu in a TRD file?Hi I like to watch demos on my toastrack, i'm using DivIDE/DivMMC (with exdos) to load TRD files. Most of those TRD files have a nice boot menu to se…
... Technology Research, autobooting is accomplished by having a BASIC program on the disk in ... drive A with the filename ... have to amend the program to reflect what's on the bootless ...48k Stops loading and resetsI've just fixed the problem I had with my Issue 2 Spectrum only showing 16k memory by replacing all of the upper ram. With that job done I've done a …
... write a basic program to peek and poke all the addresses and see what ... location a few seconds later. :D
Note this is very ... /next with a poke and a check that the value is still there ... to work down from 65535 unless you have a specific area to ...Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... visited and evaluated for correctness. When I was in school this ... number of reachable states in a sw program is huge and testing can ... You need intelligence to determine what tests are worthwhile doing and ... but it's such a relief when you come across someone ...1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…
... from the beep program and try a different mic too ... out the speaker and is the reference of choice ... to not make noise when starting them off (especially ... your sample :) The beep program doesn't loop (not ... results. It's just a BASIC program though, so run it ...Concert txt files to Z80 or TAP filesHi everyone :) Can you suggest me a software to convert txt files to Z80 or TAP? (OS Windows 7 64 bit) Thanks
... but which one depends on what you're trying to accomplish ... the text as a CODE file, with an optional BASIC loader.
a BASIC program:
[url="http://www. ... exe"]BASin[/url] is an excellent IDE for BASIC programs which can ...Concert txt files to Z80 or TAP filesHi everyone :) Can you suggest me a software to convert txt files to Z80 or TAP? (OS Windows 7 64 bit) Thanks
... but which one depends on what you're trying to accomplish ... want to convert text to a BASIC program:
[url="http://www. ... exe"]BASin[/url] is an excellent IDE for BASIC programs which can ... import plain text BASIC files.[/quote]
...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... question is
What should happen (drive light wise) when a Opus Discovery is ... come on when a "load *1 ;"X" or similar command is entered . I ... power up . So something odd is happening here . Roko may have an ...I had a go.I haven't written anything in ZX Basic since the 80s, so I thought I'd have a go. Now just to put you in the picture, I am a developer and know sever…
... be BASIC, and could be an application program that is machine ... runs GWBASIC, which runs a BASIC program that receives RS232 communication data ... been running now since about 1994. The Pentium PC is a bit ... floppy disk, is to run a RTC time program. This happens ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... links seem straightforward but what about SH and AH?"< ... all you have to do is enter "PRINT USR 14070 ... ,if the RAM is fitted the result will be ... will mean the RAM is absent or corrupting the ... fault you could set up a basic program loop which will call ...ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…
... a BASIC program has a fixed address for where it begins.[/quote]BASIC starts at a ... the characters needed, then there is a new line code. Empty ... As a result the size of the display file (what we ... , or freed as the BASIC program is altered, so the display file ...ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…
... PEEK, I'd presume a BASIC program has a fixed address for where it ... (76h) in the data, the BASIC interpreter will recognise it as ... up the listing, although the program is likely to still run.
what you're used to, especially ...How to Poke a real Spectrum....Hi everyone. Can anyone remind me how to use POKES? (using a real Spectrum, not via the tipshop on an emulator). I've searched around and I can't f…
... of the common 48K games, when you did [b]LOAD ""[/b ... Then you'd edit the BASIC program and add the POKE commands ... ones that loaded in what you thought was a BASIC program, but was really ... just a single line beginning with a ...BASIC Tenliners 2016I would like invite all basic programmers to this year's BASIC Tenliners contest. You have to code a game in 10 lines of BASIC. For details please ta…
... pretty ambiguous, could you clarify a few?
... />
By default a Sinclair BASIC program is saved with all the variables ... intact, is that allowed, ... code?
What's the stance on self ...BASIC Tenliners 2016I would like invite all basic programmers to this year's BASIC Tenliners contest. You have to code a game in 10 lines of BASIC. For details please ta…
... "][quote="GReW;847580"]By default a Sinclair BASIC program is saved with all the ... variables intact, is that allowed, or do ... the program logic is hidden on variables.
For comparison, when we ...BASIC Tenliners 2016I would like invite all basic programmers to this year's BASIC Tenliners contest. You have to code a game in 10 lines of BASIC. For details please ta…
... "][quote="GReW;847580"]By default a Sinclair BASIC program is saved with all the ... variables intact, is that allowed, or do ... the program logic is hidden on variables.
For comparison, when we ...BASIC Tenliners 2016I would like invite all basic programmers to this year's BASIC Tenliners contest. You have to code a game in 10 lines of BASIC. For details please ta…
... "][quote="GReW;847580"]By default a Sinclair BASIC program is saved with all the ... the program logic is hidden on variables.
For comparison, when we ... just love it when the rules change after a competition has started ...BASIC Tenliners 2016I would like invite all basic programmers to this year's BASIC Tenliners contest. You have to code a game in 10 lines of BASIC. For details please ta…
... "][quote="GReW;847580"]By default a Sinclair BASIC program is saved with all the ... variables intact, is that allowed, or do ... the program logic is hidden on variables.
For comparison, when we ...Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…
... a BASIC program to enter this in using DATA statements, the resulting pattern is ... I'm a bit crazy for stubbornly insisting on seeing what I ... want - but that is precisely my goal ... . I want the code to do what ...48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …
... from the standard 23755 on a 48K machine?[/quote]
... the start of the basic program upward. You can see ... the 23755 address only applies when nothing is attached. You need to ... things move around as the basic program is edited and run. If ... the way to 65535.A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... Nirvana+, part of that is a pixel editor for btile ... for some people. It is written in DBPro and ... after all. It uses a small 512x256 window, ... have it compiling the BASIC program and running the .tap file ... by pressing the E key, can save a ...Speeding up programs by hacking the SysVarsPositively pleased to properly discover this area of the forum! I have a couple of recent tricks that might be of interest - they're probably old hat…
... the text in a window, checking for wordwrap, when to scroll ... br /> and to preserve them when finished, disable the reference ( ... be created once the main program is running, then they could be ... new space below E_LINE when a value is assigned, even if it ...Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…
... does one get Spin from? What is the latest version? Does the ... but I think the assembler is a bit erm... flaky IIRC..?
a basic program like in my screenshot you ...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…
... />
Since the BASIC interpreter runs from the ROM ... the speed of BASIC is lessened. A machine code program running from the ... contended RAM is much more ... on how big your BASIC program is, and how much memory ...Welcome to the Matrix!Ok here's something I been playing with while I'm at work and on public transport. I'm thinking I want to be able to move the large letters around th…
Every line in a BASIC program uses a minimum of five-bytes (two ... byte for the ':' token), and is slightly faster; for example:
When memory gets really tight, there ... One of the most common is to replace literal numbers with ...
