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Video fault on issue two ZX boardI've trawled the Internet and drawn a few blanks as to where to look to resolve the fault with my issue two board. I'm hoping a few of you knowledgea…
... />
I have done the basic voltage tests and all are ... too.
I've read through various posts and servicing ... is partly faulty on the keyboard so no exhaustive tests yet ... -
Recreated ZX Spectrum thoughtsI have a recreated ZX Spectrum (and a Vega and a 48K with SMART) and while I know it is not well regarded I actually quite like it. The app is "ok" a…
... own apps including am emulator (basic) and it all worked well ... , has a proper (full size) keyboard and is online and available ... and the ATV4 is far faster and more capable than the ... the Bluetooth connection from the keyboard using either Arduino with BT ... -
Issue 3B woesHello there, I currently have a Issue 3B for repairs around, it used to have broken upper and lower RAM, which I replaced with 41256-120 DRAMs (hac…
... the Basic prompt registers the THEN token ... first slowly then faster. After ... . During the whole thing no keyboard is connected.
On ... -
TommyGun updatehttps://drive.google.com/file/d/0BwXFKYO5i1IlN2U4MUtrRVZZWUE/view?usp=sharing Hi, I have updated my TommyGun application and since we can't uplo…
... . These can be compilers (c, basic, forth), assemblers; and these are ... /> I know you won't read the readme.txt file so ... dialogs
o Fixed some keyboard handling issues
o Fixed ... -
Any basic Z80 code to get me started?Basically looking for keyboard/joystick routines and perhaps basic sprite handling that I would then improve upon. My first game would be a simple Ro…
Basically looking for keyboard/joystick routines and perhaps basic sprite handling that I ... -
Faster Manic MinerHey, dudes. I've been fiddling around trying to wring more speed out of this game recently. I've replaced the LDIR buffer copying routines with s…
... buffer copying routines with some faster alternatives in to the spare ... could, I suppose, replace the BASIC ROM with a custom one ... chip in the 128k be faster than the old beeper?
140 characters Basic game contestHey there, I've announced a new micro contest on my blog (in Czech language only). However, it might be interesting also for the non-Czech/Slovak …
... in the standard 48K Sinclair BASIC that will fit into 140 ... of the standard 48K Sinclair BASIC syntax
[code]1 FOR ...DivMMC and +3 BASIC questionHi everyone, sorry if I'm about to tread a well-worn path here but I looked and looked, and I found something in the DivMMC manual but I'm not sure i…
... in the late 80s, some BASIC, some machine code, and I ... I saw something about '128K BASIC support watch this space' - so ... and using a tool to read it are non-starters.
read/write MSDOS format disks.
Emulator that supports original Spectrum keyboard?Hello all Google search didn't come up with an answer, so I've registered here. Looking for a windows emulator that can use the original ZX Spe…
... use the original ZX Spectrum keyboard.
Is there any?
which could be used to read the keyboard... right?So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
... ; hide the M/C from BASIC
Call48 RST #28 ; call ... a routine in the 48-BASIC environment
DEFW #2DA2 ; unstack ... /> and here's a tiny BASIC program to poke it into ... =23763 TO 23774
4 READ d: POKE a,d
ZX Spin 0.7 + SE BASIC 3.2I've bought SE BASIC 3.2, but I've got no EPROMs to test it yet. While I wait for those EPROMs, I've configured my favourite emulator to run a 48k…
I've bought SE BASIC 3.2, but I've ... and tzx) it starts to read it as "pulses" (like when ...Xmas present from Hood:))Dear MB-02+ users, on my site[url="http://hood.speccy.cz"] http://hood.speccy.cz[/url] I have made quite significant update in download section. B…
... byte screens
* fixed: keyboard handling routine rewritten from scratch ... 2. This is a way faster. Original disk reread is ... PC specification= compatibility
* changed: keyboard routine changed. The original one ... the dir name will read "virgin dir".ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... story short I've done basic checks before power on (continuity ... it, added composite hack, new keyboard membrane and fixed some bad ... of view :) ):
1 - I read 3.25 ohm from 0v ...Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... of it being "much, much faster" than RND. The '500' timings ... instances the required return to BASIC with a decimal fraction between ... return that value to the BASIC program.
As well ...
Here's the BASIC timing routine which I use ...New language for spectrumI made a halfway language between assembly and Basic here is some example code: [code] INFLOOPSTART ifram(scrolla=1) print(intera) endif…
... halfway language between assembly and Basic
here is some ... has commands to read those two keys on the keyboard :)
This ...Hey grandma!HOW TO SUCK EGGS! I always wondered about that saying 'teach your grandmother to suck eggs'! Blow them, yes, but suck? If you've never blown an e…
... 're getting into coding in Basic, squared (graph) paper is your ... - mainly thanks to quirks in Basic working out what the instructions ... chr graphics in particular, its faster and easier to try different ... find it very tiring to read pages of notes on screen ...Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…
... squares, which from what I read online seemed to indicate a ... opened in decades and the keyboard membrane tore with no effort ... got the system booting to BASIC, I believe?)
[url ... , nine 16-dip sockets, replacement keyboard membrane. My plan is to ...Keyboard reading questionOkay, here's a weird one. I have to elaborate a bit: In the 90s I coded quite a lot of stuff, but I haven't done so in 20 years. There was a hidde…
... . Basically I was reading the keyboard:
LD BC,F7FE - port ... -5
IN A,(C) - read contents of port
CP ... simultaneously on a modern PC keyboard, right? Because I tried multiple ...Todays silly question about emulators.Why are there so many emulators? Here's the list I've found so far:- SpecEmu Retro Virtual Machine Fuse ZXSpin Spud ZERO ZEsarUX Unreal Spe…
... fact I haven't even read the manual, just unpacked it ... do with it is write Basic programs mostly in 48k mode ... mode when I lost my keyboard conversion map.
I ...Better keyboard = better sales ?Just a random thought. I want to start this by saying although I did not have a + model new, I was never really a fan of this keyboard as it was n…
... a fan of this keyboard as it was not ... it has quite a decent keyboard, to be honest its ... /48K speccy had a keyboard similar to the Oric ... said something like "dead flesh" keyboard iirc. :) I guess what ... a proper keyboard, the Oric1 has rather more basic affair.
ZEsarUX-7.1Hi! There’s a new stable version of ZEsarUX, version 7.1! The next 24th of September it will be 5 years old :) So this is a special anniversary…
... with tokens), .baszx80 (Basic ZX80 with tokens), .baszx81 (Basic ZX81 with tokens ... MWA conditions but a lot faster than them
*Added bitwise ... /> *Breakpoints actions do not reset keyboard
*New pseudo variables:
[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... ) if no ROM calls or BASIC required, saving 466 bytes. $ ... ; Keep looping until c = 0. Faster than jump relative when branch ... ; Keep looping until c = 0. Faster than jump relative when branch ... infinity ; Avoid going back to basic. Screen is cleared now, continue ...PS/2 Keyboard for +2A/+2B/+3?Hi everyone. I know there are several options (both DIY and off-the-shelf) to add PS/2 keyboard support to original models (and right up to the +2), …
... ) to add PS/2 keyboard support to original models ... PS/2 or USB keyboard support to the +2A ... keyboard extending solutions and can switch between them with a basic ... a PS/2 or USB keyboard option.
... the sake of adding a keyboard port :(
problem with symbol shift and caps shift key combinations on multilayer keyboard membranesHello, I know, it is generally know that some ZX Spectrums with multilayer keyboard membranes have problems with some key combinations. Typically …
... some ZX Spectrums with multilayer keyboard membranes have problems with some ... kind of problems. I rewrote keyboard reading routine by using part ... it was good enough for BASIC, why not for me, ... here. It displays all 8 keyboard ports in 512 squares (character ...ZX Spectrum +2A - problems loading from tapeI recently acquired a ZX Spectrum +2A, now the only item in my collection to be found is a [b]+2B[/b], and I got all from the MK14 to the PC200 ;-) …
... ?[/b]) and back in, the keyboard worked fine as well. No ... and 48K games in "48 basic"-mode. For the 128K the ... improvement?[/b]
I read about dry solder joints for ... +2B: I think I once read that you could only see ...MIDI TO ZX SPECTRUM BASIC BEEPMIDI TO ZX SPECTRUM BASIC BEEP ------------------------------------------------------ HI :) I found here http://portmedia.sourceforge.ne…
... num sentences BEEP on every BASIC line)
... br /> time to make it faster or slower
number lines on BASIC.
If ...
to make a short BASIC program
e ...ZEsarUX 8.0 stableHi! I've uploaded a new FINAL stable ZEsarUX version, 8.0 :) You can download it, as always, from the url: https://github.com/chernandezba/z…
... debugger)
Added text adventure keyboard also on CPC
faster. Up to 7 times faster, so it uses ... all 3 different access (write, read, opcode) at once, generating a ... than 256 text to adventure keyboard words
Fixed bug on ...30 Hour Basic (NEC)This is about a Basic course in 2 parts which were sold separately (one of which was not absolutely essential) . The Book was the essential bit. …
This is about a Basic course in 2 parts ... had the book "30 Hour Basic" for years (the essential ... probably because I did not read the book!) But I ... package was called "30 Hour Basic" (ZX Spectrum edition : Program ... be able to do some BASIC . Sounds good . Anyone ...ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…
... -ui-io-ports: to get keyboard state and joystick
- ... -ui-io-ports: to change keyboard state and joystick
-write ... position
-cpu transaction log: faster when opening transaction log file ... a window menu, it will read that window again
- ...
