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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 ... -
SpecIde updated!Hi, all! In these past months I've been brushing up a bit my emulator, SpecIde, a.k.a. the least efficient emulator in the world. At this momen…
... the extras. (Issue 2/3, contended memory, floating bus, snow effect ... Spectrum 128K/+2. (Also with contended memory, floating bus, snow effect ... ; I've implemented the contended memory, floating bus port...)
- Kempston and ... -
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. -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... Disk motor
D4 - Parallel port strobe (active low)
< ... VRAM is used as Spectrum contended memory.
D1 - ... /> FC is the video port, and this works by ... output.
MIDI port. Joyport. Expansion port!
Software control ... -
Tough paging questionOK... Take this: 1. We have a program compiled and run from within GENS under a Pentagon 128K environment. 2. The program works perfectly. 3. We sav…
... :
Pentagon has no contended RAM where as the +3 ... synchronise your screen flipping then? Port $ff? If so this isn ... /+2 emulation? Page 1 is contended there so if you have ... problem). Page 1 is not contended on the +3 (but the ... -
Announce: EmuZWin 2.4.1.0 with exact AY soundEmuZWin 2.4.1.0 with exact AY sound released today. In "exact sound" mode, should be very, very close to real sound. (My ears are sick, my head is sp…
... /> Eyeache 2 often does port writes using OUT (#FD), ... high byte of the port address for that opcode ... fine here with the port decoding from the FAQ ... these models distinct only in contended timing a bit (at ... applying 128 (without +3) port recognision always, if to ... -
SpecEmu 2.1 betaFinally I think I've cracked all the gory contention details required by those trendy multicolour demos (48K/128K modes only, +3 contention can wait …
... of which is contended, and another is non-contended, entire instruction is ... I/O contension effect on port 7FFD in R.S. and ... be discovered if to replace port value to any non-contendable ... perfectly, OUT only) contension for port 7FFD just because video memory ... -
SpecEmu 2.1 betaFinally I think I've cracked all the gory contention details required by those trendy multicolour demos (48K/128K modes only, +3 contention can wait …
... itself is executed from non-contended memory: in my opinion ... br />
Actually, port 7ffd is *not* contended, despite previous assertions that ... I/O port, and this looks like an address in contended memory ... as I/O operations are contended on T2, not T1 ... -
Wanted: Code to wait until Border has been drawnWhen my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing. I know I need to wait about 14300T after…
... can do this either with contended memory (trivial), or by executing ... /> Alternatively, read from an unattached port until it doesn't return ... -
Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.
... -brew machine, which has no contended memory. The SE is more ... /2 mouse to Kempston mouse port
regards,
phoenix ... -
Spectrum Emulator for Windows XPHi all. I'm struggling to get any emulators to work with Windows XP. I'm just after an emulator with Joystick support. Any suggestions? Thanks
... towards memory contention and IO port contention. I'm sure the ... produce an accurate description of contended memory. It was incomplete and ... -
Spectrum Emulator for Windows XPHi all. I'm struggling to get any emulators to work with Windows XP. I'm just after an emulator with Joystick support. Any suggestions? Thanks
... towards memory contention and IO port contention. I'm sure the ... produce an accurate description of contended memory. It was incomplete and ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... memory is entirely controlled by port 7FFDh. The byte to ... Memory banks 4-7 are contended, i.e. the processor shares ... in these banks. Port #FE is still contended, and port #7FFD also ... A,(5B5Ch) ;Previous value of port
AND 0F8h
... -
ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... it...
(Port addresses haven't yet been ... limitation).
Port #14BF SCRN bits b7 b6 ... video data from.
Port #13BF BLK3 bits b7 b6 ... br /> contended, all even banks not). Bit 0 of port #14BF ... reasons, a write to port #7ffd will copy bits ...
