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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…
... the output from the address decoder. This is then used to ... -
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…
... a 3-input address / activity decoder, with one signal coming out ... -
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…
... a 3-input address / activity decoder, with one signal coming out ... -
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…
... an IN 55. So one decoder chip could drive two separate ... -
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…
... signal line from the address decoder to the buffer chips is ... ? So I could check the decoder is working by repeatedly reading ... -
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…
... signal line from the address decoder to the buffer chips is ... ? So I could check the decoder is working by repeatedly reading ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
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; enter: hl = root of decoder tree
; de = memory address ... -
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
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have just found the packer so will have a quick ... -
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
Had my first job interview in 20 years todayI've not been employed for nearly 10 years now, just been doing my housewife bit while mrshairy works. Now my youngest is in school and my oldest is …
... I am just a re-packer and order picker along with ...Is there a way?I would like to know if there's a way to have a zx microdrive version for multilevel games such as robocop. Thanks in advance.
... something equivalent to a level packer on c64... then put the ... level packer / loader code in the main ...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…
... /> The real trick is a decoder chip that combines the I ... selected output pin from the decoder chip. On the other side ...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…
... lines. Or in most cheap decoder schemes, simply cutting the A5 ...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…
... lines. Or in most cheap decoder schemes, simply cutting the A5 ...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…
... even need an extra address decoder; writes would go direct to ... a latched binary decoder, then the output of that ... . An address that minimises the decoder chips you'd need overall ...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…
... it means an extra address decoder.[/QUOTE]
Full decoding ...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…
... high, not low, and some decoder chips need three signals low ...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…
... high, not low, and some decoder chips need three signals low ... the chip used as the decoder logic.
Why, I don ...Custom Speccy KeyboardI want to build a simple keyboard for my fav emulator - use it on the iPad or Android tab. Does anyone know of any place that sells custom keycaps f…
... idea, except that the keyboard decoder in the ZX-Uno can ...BIN2TAP: a new utility for converting binary files into *.tap imagesI just knocked together a simple command line program to convert binary files into ZX Spectrum tape (*.tap) images. There is an old program BINTAP wh…
[QUOTE=introspec;771515]I do not make any other.[/QUOTE]
yes, you did again useless crap after PSG packer:)Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... at some outputs of the decoder chip U17, a 74HC138. It ...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…
... RTC module use full 8bit decoder.
Old original kempston ...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…
... RTC module use full 8bit decoder.[/QUOTE]
The difference ... modern circuit will use a decoder, which can detect any particular ... are using a 3-bit decoder, you can just connect it ...Good, free, useful programs for Windows usersI was asked to recommend a couple of programs (which happens enough to make me wish I had a fiver for every time!), and I didn't know offhand either …
... time it's some video decoder, file manager, image manipulation, etc ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... =0 and C4=0. This decoder U17 is driven by the ...AMSTRAD 40057 - joystick decoder replacementThis is replacement of joystick decoder "AMSTRAD 40057" for Amstrad model ZX Spectrum 128+2 (grey). This project is not tested, but theoretically wil…
... ]This is replacement of joystick decoder "AMSTRAD 40057" for Amstrad models ...Harlequin runningHi all, Just thought I'd post a wee pic of my Harlequin kit which I received yesterday and assembled in double quick time. A great piece of hardwar…
... flip flop driven by the decoder HC138 that holds its output ...RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... .2[/URL] (considered the best packer for ZX-Spectrum screens) compresses ...RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... available somewhere? What's the decoder size?
Also did ...RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... available somewhere? What's the decoder size?
Also did ... .0 - 1994 year...
decoder 1:1 LC5.2 --> ...
