-
New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…
... old versions of kempston joy interface decode A5, but other ... interface. The only way to separate them would be with 8-bit ... decoding used in fuller joystick interface, not exist schematic. But ... about A7 only... :-( Real interface can use different decoding and ... -
Quick fix for four joysticksHere's a quick modification to add four joysticks to any Speccy. This assumes you already have two Sinclair ports. [URL="http://joefish.co.uk/specc…
... , to make a Sinclair joystick interface operate the bottom row of ... -type response for up to 8 devices. Or if you're ... bits, you could choose an 8-bit port address and read up ... -
Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…
... a photo of my first 8-bit ide interface. I palmed it off ... neat one (still a little bit bodgy...) Would be fun if ... : here's my current IDE interface. True it's only made ... and there's not a bit of hot glue in sight ... -
Code to test if a rectangle is in a rectangle[SIZE=3][FONT=Calibri]I am looking to write some code that will check if a rectangular shape is outside or overlapping a second rectangle. If the sma…
... />
intervals are defined 8-bit or 16-bit, have a left point ... defined as two intervals 8-bit or 16-bit
function for detection ... the domain. So, eg, an 8-bit interval starting at coordinate 250 ... r_*** stuff, that is C interface not done well. R* are ... -
Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... a main player in the 8-bit area but new systems still ... things like spectranet's socket interface + tnfs file server, esxdos which ... -
Is ESXDOS flexible enough to incorporate e.g. Spectranet commands?I was just discussing the idea with someone about the wish some people have to be able to combine interfaces such as DivIDE (Plus) / DivMMC EnJOY! wi…
... notes, there's quite a bit of Spectranet paging stuff in ... -
Joypads compatable with kempston interfaceI have recently introduced my 10 year old lad to the spectrum, and although it is no xbox 360 there are many games he really likes playing. The only …
... on pin 9, which most 8-bit computers use for paddle input ... pinout. For example DIVMMC interface, K-MOUSE interface, etc...
This devices ... -
Edge Connector InformationHi Everyone, Hope I'm posting in the correct forum. I've recently been playing with an Arduino and got to thinking it would be fab if I could do so…
... constantly producing an address (16 bit bus) on the address bus ... memory location or input/output interface to communicate with. Selected control ... byte on the data bus (8 bit = one byte), the memory or ... /> So if you want to interface "slow" devices, you need two ... -
Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... to then read back an interface identifier code (which itself is ... time, reserve another port for 8-bit encoded analogue inputs.
< ... though it would mean the interface is more complicated as it ... there was a smarter joystick interface attached. But it's ... -
Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... , if forced to, with reading 8 in a round each time ... /response code for a joystick interface identifier is a bad idea ... latch a joystick (or any 8-bit switch input device), then a ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... it's still just an 8-bit address so the decoding logic ... joystick in a twin-port interface.
For multiple joysticks ... address, latch the number (1 bit for two sticks, 2 bits ... from 1-256 up to 8-switch devices.
Is ... -
Please explain how a Kempston interface circuit works.Can someone help me understand how a Kempston joystick interface works, as I want to design and build my own as an experiment. I understand switches…
... is there any reason for interface designers to avoid using !RD ... many variations of Kempston compatible interface, using a number of ... cheap copy of a Kempston interface using these/this chip" ... /> Modes: Kempston
Data: 8 bit (D5, D6 & D7 return ... -
Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... connect upto 256 different fully 8-bit input devices.
You ... latched bit, but you'd have to build a new interface again ... -
ZX Spectrum 48k / +Hello, Does exist some indestructible keyboard membrane for Speccy 48k, or 48k+ ? I would like to purchase speccy, but I would like to avoid the m…
... .
I you love 8-bit computers, then get yourself a ... /> I also have an IF1bis interface, where you can connect a ... -
SpecDrum in action??Hi everyone, I am now intrigued by this device and the fact that it was released in 1985 makes it even more interesting... I have seen some videos in…
with regard to 8 bits / drums.. micro rhythm and ... something similar on atari 8 bit, by 2-bit systems..
cheetah ... music studio and a midi interface for 64.. tears for fears ... quiksilva.
the roland bit, was probably filmed next door ... -
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…
... easier to take an old interface and adapt it. You also ... /> You need a new dedicated interface (like yours) to be able ... a new one designed with 8-bit decoding will be safe. -
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…
... easier to take an old interface and adapt it. You also ... /> You need a new dedicated interface (like yours) to be able ... a new one designed with 8-bit decoding will be safe.[/QUOTE ... special adapter for kempston joystick interface can be connect 4 joysticks ... -
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…
... /> 5) Unplugged a Kempston joystick interface from a rubber key Speccy ... home. They were the only 8 bit machines I ever had. I ... -
IO Ports (Spectrum)Hi all, Working on a new Spectrum interface card I have the prototype powered up and basically working.......but I want to play with the IO addressi…
... my Multi I/O ZX interface and just turning off & ... sets up one of the 8-bit ports in output mode
interface and the ADC/DAC.
ZX Spectrum Evolution Graphic Compo 2014While this year edition of International Vodka Party we would like to organize a graphic compo especially for ZX Spectrum Evolution (320x200 in 16 co…
... .
Use ZX81 with ZXpand interface to display on real hardware ... and visitors for a good 8-bit meeting.
Regards,
1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…
... enough prototyping of my ZX interface......so I can now make ... enter which of the three 8-bit ports you want to write ... to, then select a bit ( 0 of 7 ) and then ... give the Spectrum an I2C interface as this would open up ...+3e simple ide interfaceHi guys, I want to make a +3e with my +2a. I'm thinking of making the simple 8bit ide interface (internal) and connecting it to a 40 pin ide to sd r…
... he was selling internal simple 8-bit interfaces on nice professionally made ... CF socket right to your interface with no extra components :)Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
... real 8 bit (or 16 bit) CPU / MPU. As I know how to interface ...Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
... about when an peripheral or interface uses a PAL / GAL / CPLD ... Spectrum and a peripheral or interface wrong because you can emulate ... . Is the Z80 a real 8 bit MPU? After all we now ... only a 4 bit device... It's emulating a 8 bit ALU!!!
Hardware for running games from an SD card/hard drive/etc?Someone asked on another forum ([url]http://krikzz.com/forum/index.php?topic=2413.0[/url]) "[I]Does anyone know if there are any flashcarts created f…
... of divides, divmmc, zxmmc, zetros 8 bit ide adapter etc?
interface.html"]WoS[/URL], even [URL ... ;espv=2&ie=UTF-8#q=spectrum%20cf%20card%20adapter ...+3e simple ide interfaceHi guys, I want to make a +3e with my +2a. I'm thinking of making the simple 8bit ide interface (internal) and connecting it to a 40 pin ide to sd r…
... ?...I've always used the 8 bit IDE interface with CF cards+3e simple ide interfaceHi guys, I want to make a +3e with my +2a. I'm thinking of making the simple 8bit ide interface (internal) and connecting it to a 40 pin ide to sd r…
... the 3e its a bit flaky and most the ... wouldn't abandon the sd interface yet. One thing you ... PC using the IDE interface if that's not ... want onto a 16-bit hdf with 3e/strowsaw ... all the files to your 8-bit image with an emulator. ... refuses to work with 8-bit files.+3e simple ide interfaceHi guys, I want to make a +3e with my +2a. I'm thinking of making the simple 8bit ide interface (internal) and connecting it to a 40 pin ide to sd r…
... 3e refuses to work with 8-bit files.[/QUOTE]
8-bit image files all the ... the connections on the interface. I had a similar ... address line. if your interface uses lines A8, A12 ... other hand if your interface uses lines A2, A6 ...+3e simple ide interfaceHi guys, I want to make a +3e with my +2a. I'm thinking of making the simple 8bit ide interface (internal) and connecting it to a 40 pin ide to sd r…
... use StrowSaw to edit 8-bit image files all the ... the connections on the interface. I had a similar ... address line. if your interface uses lines A8, A12 ... other hand if your interface uses lines A2, A6 ... br />
although my interface has allowed me to create ...+3e simple ide interfaceHi guys, I want to make a +3e with my +2a. I'm thinking of making the simple 8bit ide interface (internal) and connecting it to a 40 pin ide to sd r…
... latest revision does the 16/8 bit interfacing in a single CPLD ... of options already for 16 bit ide interfaces. Most are a ... couldn't build a 16-bit IDE interface for the +3e using ... to develop an internal 16-bit IDE/CF and software paged ...
