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Fixing my old ZX Spectrum 48K issue 4AHi Guys, I trying to fix my old Spectrum 48K. Looks like my dad used a wrong power supply as the ULA had a bit missing and so did the 7805. So I rep…
... LOUD input signal from the tape deck or modern computer pretending ... to be a tape deck. Because of course they ... , either use a real tape in an mono "shoebox" tape recorder, or use ... a sequence of numbers, then read them back. This makes for ... -
Fixing my old ZX Spectrum 48K issue 4AHi Guys, I trying to fix my old Spectrum 48K. Looks like my dad used a wrong power supply as the ULA had a bit missing and so did the 7805. So I rep…
... LOUD input signal from the tape deck or modern computer pretending ... to be a tape deck. Because of course they ... , either use a real tape in an mono "shoebox" tape recorder, or use ... a sequence of numbers, then read them back. This makes for ... -
X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... 's auto-load) was left in the keyboard buffer, thus making ... stop. I reported this problem in a previous build.[/QUOTE]
in my Fuse setup.
read the Kempston port and getting 0xFFs.
Your Spectrum RegretsSpeccy things that you have done (or haven't done) and have regretted them since. Here's mine... (in no particular order). 1) Sold my Spectrum 128K…
... shelf someplace or maybe in a box in the garage, doing ... up and have time to read whole magazines, I'll ... did do is on a tape in a box someplace... when I ... and the personal arsing-round-in-BASIC tapes. One of ... home which sells tellies and tape players for a few ...Bomb Munchies - preview releaseBomb Munchies Preview release Version 12th Jan 2014 [URL=http://s979.photobucket.com/user/MatGubbins/media/bmsix_zpsc33279a2.gif.html][IMG]http://i…
... Kempston or Kempston-compatible IN-31 interface to K ... .
IN 95 = 01011111
IN 31 = 00011111 (A7= ... if you try to read using IN-95, because they only ... is a DK'Tronics dual-port interface, which has 3 ... to modify its Sinclair port to invert and re- ...Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... issue with your Spec's tape loading circuit, but... still learning ... a tape adaptor. I've tested it via my PC line in port ... through both speakers just not in mono? I'm probably wrong ...Sinclair UserWas leafing through the Spectrum book my Andrew Rollings earlier and i was puzzled as to why Sinclair User gave so many games 100%, they even awarded…
... was the mag I read back in the day, initially for ... (I casually found it in a newsagent which sold ... foreign magazines in May 1987), KB ( ... tape game was quite good) and YS (no-one read ... foreign computer press in my circle of ...Preferred setup for a ZX Spectrum 48KHi! I got me a ZX Spectrum 48K for about 1.5 year ago. Feels good to have one, I really like the look of it! Except for the computer itself I have …
just out of interest how does a spectrum use a rampack?
Cos I thought everything over the extension port needed to be read with IN commands, so how does the rampack tell the cpu where it is?Preferred setup for a ZX Spectrum 48KHi! I got me a ZX Spectrum 48K for about 1.5 year ago. Feels good to have one, I really like the look of it! Except for the computer itself I have …
... over the extension port needed to be read with IN commands, so how ... ?[/QUOTE]
The expansion port is the full address, data ... , and control port of the CPU, with a ...Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …
... anyone here ever used to read Amstrad Action? I got a ... thought it was a good read back in the day, and I ... issue that included a cover tape that contained two full games ...Denied GamesA friend of mine said that the copyright laws for games only last for 30 years. If this is the case all spectrum games made before 1985 become freew…
... okay to share the original tape amongst other users.[/QUOTE]
in any case[/I] that ... would have made a sale in the 1st place. Hence ... it, and cover a wall in my house with that. Author ... [B]not[/B] work. Read: not in a manner that's fair ...IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
... cycles. This was obvious in the z80 design since the ... than, eg, in the 6800 or 6502. In 1976, the slower ... , meant to be introduced in 1984(?), and was the ... skimmed it but for io in particular, you can't ... and read it back because a read from that port might ...Spectrum Music and/or SFX needed for New GameI decided to participate in the ZX-DEV-2015 game contest. http://zx-dev-2015.proboards.com/board/10/general-compo-informaci-sobre-concurso Here i…
... the Kempston joystick. Simply read repeatedly from port 31 over the course ... "SPACE"->Keyboard Control and IN 31=16->Kempston.
port.Interface 1 - RS232 question.I am thinking about doing some Spectrum stuff based around the RS232 port used on the Interface 1. Has anyone had any joy doing this with an emulator…
... quote="guesser;841042"]Aha in that case using the ... I also need to read data in as well as output ... great is a feature in an emulator that lets ... you "plug-in" a software equivalent of ... device, into a virtual expansion port :)
I'll ...128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…
... I employed USR0 mode in both Funky Fungus and ... switch banks in order to load data from tape in banks 1 ... , 3, 4, 6 and 7 and read ... /> or, as I did in Funky Fungus, from BASIC, like ... buffer. Data are transferred in chunks of 6144 bytes each ...New game: SETO TAISHO VS YOKAIHello Spec-chums! At last, my new game is available for download: [img]http://www.alessandrogrussu.it/zx/Seto-art.jpg[/img] [b]Features:[/b]…
... D0-D4. If software read joystick port after interrupt (border time ... .1. If software read joystick later (in screen time/contended ula ... unplayable, because D5 of joystick port = log.1 then D5 ... /> XOR A
IN A,(#1F) ;read kempston joy port
AND #E0 ...Where did you learn about World of Spectrum from?Was it a web site? Which one? A friend? A social media site? A magazine? If yes, which one? A book? Again, if yes, what is the title? Or you did…
[quote="R-Tape;867049"]I think a seed ... />
[quote="karingal;866986"]Read about in magazines before I got an ...Spectrum 48k won't start any software but passes all RAM testsI have a rubber key 48k which will not start any software - it appears to work perfectly right up until the end of the tape and the program would sta…
... same pin for sound out, tape in and tape out.
Sometimes one ... of the diodes in the ear / sound ... all the resistors and diodes in the ear, mic and sound ... diodes will be my first port of call. It plays sound ...I am currently reading...Haven't noticed one of these threads, so here goes... I'm currently reading (depending on my mood...!): - [B]The Jesus Papers[/B] - Michael Baigent…
[quote="R-Tape;912091"]
... turner? I've never read any Steinbeck, might pop ... other Steinbeck I've read is Of Mice and ... Tape;912091"]
Maybe The Martian by Andy Weir? I read this in ... /> [/quote]
I read that last year. I thought ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... sophisticated mechanisms to begin with in order to work. It ... a way of syncing in a game is drastically ... Joffa used yet another approach in [i]Cobra[/i]. He ... find the correct value. In my case it failed ... when the the value read form the port is anything “less ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... the value #71 is read from the port #0FFD constantly, but why ... from the lines of pixels in memory.Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
...
in d,(c) ;read the initial value of the fb port
nop
in a,(c) ;read the port again
exx
read from the port before (I) and after ... . If the initial value read from the fb port, 'I', is not ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... a,254 ;high byte of port to read (%11111110) (initial pattern)
port addr MSB (will be modified)
in a,($fe ... order as they are defined in. Multiple keys pressed together ( ... /> [code]
controls_i nop
in a,($1f)
cpl
How can I make a UDG rotate?I designed a set of UDG's that can be used for making shapes or letters. Trouble is that my circle - for example - consists of 4 pieces and it would…
... PRINT AT 0,0;"Y=";IN 65503;" "
15 ... PRINT AT 1,0;"X=";IN 64479;" "
20 ... />
Enable Kempston mouse in Fuse (it will reset), run ... to interpret the values read from the port and deal with ... driver in such a way that any value read when ...Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…
... in reality no sw used anything but port 0xfe to access that port. Port ... sw on the spectrum read from that port to see ula attribute ... a kempston joystick in (the ts2068 has two joysticks read through the ...Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…
... in reality no sw used anything but port 0xfe to access that port. Port ... sw on the spectrum read from that port to see ula ... kempston joystick in (the ts2068 has two joysticks read through the ... is irrelevant. The problem is in computer architecture, namely the ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... up it's video data read. Hence the data that the ... normal instruction fetch or data read or write by the CPU ... attempts are made to read from IO port 7FFD (or any address ... ). This chip is only present in the 128k and +2 (grey ...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…
... . Namely, the value returned in the top three bits. It ... 1-5
in a,(c) ;read contents of port
and 31 ... ;clear the garbage in bits ... Spectrum has its own limitations in detecting multiple keypresses), but one ...Nintendo SwitchSo, £280 with no game. Ouch! That might have just killed any chance it had to succeed. Still the new Zelda game looks good and the new Mario ga…
... awesome game, but it pales in comparison to World, and I ... a portable machine, i read its a port of a 3ds game ...Converting Issue 2 keyboard games to Issue 3Dipping back into the World of Spectrum (and no, not just this site) I was wondering if I could do a machine code job myself without having any under…
... value read from the port with $1f prior to checking it. In many ... to squeeze the new code in place of the old one ... enough room to change it in place.
I don ... I have made a couple in the past: [i]Camelot Warriors ...
