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Strange keyboard port reads on 48+Hi all, I don't know whether it was already discussed (I also searched forum, but there are too much of results searching "48k keyboard" so I didn't…
... on 48k+ keyboard and read port EFFE (keys 6-0) I ... where is the program reading port as on some addresses it ... test program, which repeatedly reads port EFFE (on different addresses) and ... -
Original on ZX Spectrum - better port on other platformAlong similar lines as [url="http://www.worldofspectrum.org/forums/discussion/51238/clones-that-you-like-more-than-the-original"]this recent thread[/…
... ), but where you like a port of that game on another ... better? And of course: which port, and why?
I ... Spectrum version better than sloppy port to other platform). So this ... do a quick & dirty port). And perhaps added extra's ... -
Spectrum +2A floating bus portHi As I discovered in the past, Spectrum +2A (and probably +3) do have floating bus port. But it is not shown on all unused ports, only on some po…
... ) do have floating bus port. But it is not shown ... disabled (bit 5 of port 32765 set to 1), ... 0 set) if the port number has the following mask ... mean, starting from port 1, stepping 4, until port 4093
... does not have floating bus port, but it's incorrect.< ... -
Comparison of RS232 port on Interface 1 with that on Spectrum +3/+2AHi everyone, I'm writing a tool (in machine code) to transfer data (for example, an emulator snapshot) between a PC and a real ZX Spectrum, over t…
... with the built-in serial port on my +3. However, with ... />
Looking at the serial-port driver code in the Interface ... +3 code accesses the serial port via the AY-3-8912 ... suggestion for why the +3 port doesn't seem to be ... -
Kempston joystick - port MSB value?In a situation where let's say the kempston is being polled like this: LD BC,NN1F: IN A,(C), what is the 'correct' value of NN? 1. 00 2. FF 3. S…
... . This uses 00 as the port MSB and, well, isn't ... -
Poorly behaved PC serial port affecting RS232 communications on SpectrumHi everyone, I've been searching through the forum for information on the quirks of linking a ZX Spectrum RS232 serial port (e.g. ZX Interface 1 o…
... a ZX Spectrum RS232 serial port (e.g. ZX Interface 1 ... or even the built-in port on the later (128k) models ... serial ports - a built-in port and a USB serial adaptor ... . However, the built-in serial port is troublesome in a couple ... -
Which peripheral listened on port $9f from back in 1984 (Chuckie Egg related)Hi Apologies if this is in the wrong section, please feel free to move it to the correct one if so. I've been looking through the Chuckie Egg c…
... have been listening on that port. My gut feeling is that ... output a value on said port number. Further examination of the ... from 1984 that listened on port $9f or could it be ... -
Multi-platform hits that lack a Speccy port?Title says it all, really: Do you know any games that were a great hit, ported to several (or even many) platforms, but -for whatever reason- didn…
... Spectrum? Or where existing Spectrum port(s) are so bad compared ... -
Empire - port of trs80 basic programBack when I was a little kid, I had the opportunity to play around with a trs80 model 1 with level 2 basic. One of the games I often played was call…
... basic source and decided to port it over in C. Basic ... -
+2B, installing joystick to internal port (via Atari adapter) kills keyboard totallyHello all. I'm once more a speccy owner, after something like 30 years xD Anyway, bought 128+2b from ebay. Works fine, except for the built-in joyst…
... controllers with it's Kempston port and they worked just fine ... -
Arcade DERBY port....Pleeease ! [img]http://www.ukvac.com/forum/uploads/212/derby.jpg[/img] My spectrum did a fair job at recreating my trips to the seaside arcade …
... is one thrill that a port would never be able to ... -
Fastest way of reading from EAR portI'm trying to work out the fastest way of reading data from the EAR port and assembling the bits into a byte. I came up with this code: IN A, (C) ; …
... reading data from the EAR port and assembling the bits into ... :
IN A, (C) ; read port FFFE, 12 cycles
CP ... and 7 of the ULA port are always 1, so that ... -
Chibi Akumas - Spectrum Port Planned!I'm planning to port my CPC game, Chibi Akumas to the ZX Spectrum! I will be targeting the 128k disk based systems - as this will be the best (and mo…
I'm planning to port my CPC game, Chibi Akumas ... to be simultaneously trying to port to the game the MSX2 ... -
Games that deserved a better port/conversionRecently I was watching (again) some classic games from other machines. Thinking about how to resolve graphical decisions on the speccy (colours, des…
... could have had a better port.
For example, Turrican ... -
Super Mario Bros. Special, NEC PC-88 Port?Has anyone considered a possible reverse engineered port of Super Mario Bros. Special by Hudson Soft? On the surface it doesn't appear as though i…
... considered a possible reverse engineered port of Super Mario Bros. Special ... -
Manic Miner port for VIC-20Hi, I recently completed a port of Manic Miner to the 16k VIC-20. Here's a video playthrough: https://www.youtube.com/watch?v=5mq4n40TOpc I att…
... ,
I recently completed a port of Manic Miner to the ... -
Parallel to serial z80 i/o portI have an Opus Discovery and an Alphacom 32 printer. I want to see if I can make a cable that will use the Opus Parallel printer port. The question i…
... use the Opus Parallel printer port. The question is how to ... pins to the Opus printer port pins...
Below is ... -
About Elite, a most surprising port and a challenge if someone is interestedHi to all, how are you this fine day? As you all know, Elite was one of the biggest games ever created, and a brutal technical achievement in the …
... full open source (afaik) 95% port of the classical one with ... -
Tumblepop portHi all Tumblepop is one of my all-time arcade favourites, so a Spectrum port would be great. In fact some time ago I started to work in the stages…
... arcade favourites, so a Spectrum port would be great. In fact ... -
Connectors for new Spectrum expansion port accessories?Hi, for some time I am pondering the feasibility of creating new thingummies (not really sure what the general name is) for plugging into the Spec…
... into the Spectrum's expansion port. Not that I have the ... -
Awesome port of Astro Blaster releasedYet another of my arcade faves gets a tremendous 21st-Century port on the Speccy. https://planetasinclair.blogspot.com/2019/10/astro-blaster.html …
Yet another of my arcade faves gets a tremendous 21st-Century port on the Speccy.
https://planetasinclair.blogspot.com/2019/10/astro-blaster.html -
Keyboard (simultan pressed keys) Test Program in MCode like Vyacheslav Strunov´s Port demo v3.1Anybody here knows of another good Keyboard Tester program (for simultanous pressed keys and in Machinecode) like this: Port Demonstration 3.1 by Vy…
... in Machinecode) like this:
Port Demonstration 3.1 by Vyacheslav ... -
+3 joystick port - replacementOne of the joystick ports on my +3 doesn't always recognise my joystick movements. It's probably a loose connection from either a loose connection (r…
... ?) or I need a new port. What's the best way ... to get a new port? It's a 9 pin ... -
Wanted: Game testers for Spectrum to Microsoft Excel portSo there I was one day at work, filling in spreadsheets in Microsoft Excel as usual when I idly thought, "Hey, if I made the cells small enough, they…
... game programming platform so the port is quite, er, 'fragile'. I ... -
SSADB portI have done port of a small text adventure called "Escape from SSADB" from QBASIC to ZX Spectrum BASIC. It was improved, fixed and corrected also. N…
I have done port of a small text adventure ... will like it, I'll port more text adventures. -
Adding AY music to your plogramI'd like to add some nice tune to my program written in machine code. I am not new to assembler programming but with music programming I have no expe…
... to set by writing to port 65533, then send the new value ... to port 49149. For some peculiar reason ...
