Zilog MCZ 1/05 Ed Snider 2022-04-12 | I finally have a RIO boot disk! Time for some Z80 ASM and a lot more investigation. Fun!
GIME-X video outputs Ed Snider 2021-03-24 | A quick video showing all five video outputs of a GIME-X equipped CoCo3 running simultaneous displays. VGA, 15KHz RGB, Composite, S-Video, and RF outputs.
CHMT36VA first run Ed Snider 2021-03-06 | My new pick and place machine running the first board I've programmed into the software. I'm sure I can tweak some of the settings to get the best results, but I'd say it's quite useable right off the bat.I like it. :)
VID 20210117 191221 Ed Snider 2021-01-18 | An old Motorola tube radio I fixed up and added an input jack to for fun. It made for a relaxing Sunday afternoon.
Happy New Year 2021 Ed Snider 2021-01-01 | A couple of midi tunes converted to OPL3 soundchip format and played back on my mega-mini mpi using the YMF262 (FM synth) chip on a CoCo3 computer.Happy New Year Everybody!
MCX-32 SD Ed Snider 2020-11-10 | This is just a quick introduction to the MCX-32 SD, designed by Darren Atkinson for Radio Shack MC-10 computers. It provides SD based file storage and additional RAM and flash memory to the system.These will be available at my website...thezippsterzone.com/mc-10-items-for-saleFor more information (and a user guide) you can check out Darren's blog...mcxwares.blogspot.com
GIME-X with 8MB of RAM Ed Snider 2020-08-22 | GIME-X 8MB SRAM board fully implemented and passing memory tests. :)
HAZE (tracker music) Ed Snider 2020-07-15 | 'HAZE' from the modarchive 2008 additions.Filename: haze.s3m
Breathless (tracker music) Ed Snider 2020-07-15 | 'Breathless', from the modarchive 2007 official snapshot.Filename: _breathless_.s3m
Installing the GIME X Ed Snider 2020-05-05 | Basic installation of the GIME-X in a CoCo3, and a a few examples of pictures using the extended video features.
MC10 CASE Ed Snider 2020-04-20 | Working on a 3d printed case for the Radio Shack MC-10 micro color computer. It'll be designed to fit original motherboards, but will also be the basis for some new motherboard projects.
MC10 composite mod adjustment Ed Snider 2020-04-02 | Adjusting one of my MC-10 composite boards in a Radio Shack MC-10 computer. These are video adapters that replace the RF modulator in an MC-10 for cleaner video. One 1/8" jack carries both composite video and sound.
VG6 converter Ed Snider 2020-01-18 | A little show and tell about an image converter for the CoCoVGA's VG6 mode (128x96 - 16 color). A fun project that taught me a bit about palette conversion, color quantizing, and dithering with low resolution color images.
GIME-X speed test 2 86MHz Ed Snider 2019-12-17 | A quick speed test comparison in BASIC of the GIME-X's new turbo mode. One of the features included is the ability to clock the CoCo3 at 2.86MHz.Project page: thezippsterzone.com/2019/03/27/gime-x
CoCo 2 clone cassette port test Ed Snider 2019-12-15 | This is a test of the cassette port on my CoCo2 clone, loading a game (Megabug) plus saving and loading a BASIC program. The clone doesn't use the SALT chip as the original designs used, so I had to implement my own zero-crossing circuit for the cassette I/O.
Coco2 Plus Ed Snider 2019-12-08 | A quick video showing my CoCo2 clone (in development) running loading Time Bandit from the CoCo SDC.
Tracker Ed Snider 2019-10-18 | This is a .mod file being played back using SockMaster's CoCoTracker and one of my Orch90 clones on a CoCo3. Sounds pretty good! :)Audio is a line in recording directly from the CoCoDAC's stereo jack. Video is camcorder footage of the actual screen (VGA courtesy of the GIME-X in this machine).
OpenMPT OPL chiptunes Ed Snider 2019-08-15 | I recently discovered that OpenMPT has some OPL support through Scream Tracker 3 compatibility, making it a useful tool for making music to play back on real OPL hardware!
CoCoMECH keyboard installation (CoCo3) Ed Snider 2019-07-02 | Installing one of my mechanical keyboards in a Color Computer 3.
CoCoMECH laser marking Ed Snider 2019-05-27 | Marking blank keycaps for the CoCoMECH mechanical keyboard for Color Computers 1/2/3 with a 20W fiber laser.
Loading and playing Ed Snider 2019-02-10 | CoCo opl composer playing legend of Zelda dungeon music.104bpm
Semi tones Ed Snider 2019-02-09 | CoCo OPL tracker/composer update, semi tones added. Keying in sheet music. My memory tracking routines for song size/free bytes are somewhat incomplete, and doesn't take into account the IRQ markers in the song data. The data for this musical sequence is actually 500 bytes in size.
MEGA-mini MPI composer/tracker Ed Snider 2019-02-02 | The beginnings of a tracker/composer for the YMF-262 running on a CoCo2 with CoCoVGA video board.
CoCo Merry Christmas Ed Snider 2018-12-24 | This is a converted midi file playing back on a CoCo2 with the new Mega-mini MPI, using the built-in soundchip. Recorded directly from the actual hardware. Merry Christmas. :)
Mega mini overview Ed Snider 2018-11-22 | A quick overview of my MEGA mini MPI for the Radio Shack / Tandy Color Computer line, showing some of the features, which include;4 slot MPI functionalityYMF-262 (OPL3) sound chipDual 16C550B UARTs16-bit programmable timeretc...Sorry about the background noise and poor lighting.
Drag soldering TQFP 100 Ed Snider 2018-11-04 | Drag soldering a TQFP 100 pin package (.5mm pitch). Starts out already tacked into position on two corners. Flux is your friend. :)
Axel F midi coco2 Ed Snider 2018-10-21 | Axel F, converted from midi, playing back on an OPL3 chip in the mega mini mpi attached to a CoCo2.
MPI PAL upgrade Ed Snider 2018-09-06 | Upgrading a Radio Shack Multi-pak (26-3024) for CoCo3 compatibility.
CoCo3 s-video installation Ed Snider 2018-08-31 | Installing a one-wire mod to bring the GIME clock out on the RGB port for video mods such as my s-video/composite board.
MIDI to VGM Ed Snider 2018-07-29 | First try at playing back a converted midi file on the MEGA mini MPI's OPL3 chip, using a Color Computer 2 and my chiptunes player.
CoCo3 S-video adapter Ed Snider 2018-06-13 | This S-video adapter connects to the CoCo3's RGB port. Some very slight modification internally to install. One wire soldered in, and two resistors clipped. No case mods needed.
Axel F Ed Snider 2018-06-03 | Axel F chiptune playing on a CoCo2 with the CoCo PSG sound cart (YM2149).
YMF-262 in new MPI Ed Snider 2018-04-29 | Initial test of YMF-126 (OPL3) sound chip that's built in to my new 4 slot MPI for Tandy Color Computers.This is a very rudimentary first test, just generating simple tone and scaling the frequency up and down.
Simple CoCo2 sound mod Ed Snider 2018-02-02 | Installing a simple audio jack in a CoCo2. A jack, two wires, and a 1uF cap in series provides sound out for driving external speakers and such. Specifically added here to provide sound for a CoCoVGA installation.
CoCoVGA Button Board Installation Ed Snider 2018-02-01 | Installation of a CoCoVGA button board using a drill template.
COCO3 INFOCOM Ed Snider 2017-12-20 | A new CoCo 3 Infocom interpreter based on my CoCoVGA version. The boot track loader features a selection menu for 50/60Hz output and choice of monochrome composite or RGB.64-column mode. Works with all v3 story files.
COCOVGA INFOCOM Ed Snider 2017-12-16 | This is a demo of an interpreter for Infocom interactive fiction that I adapted to use the CoCoVGA's 64-column text mode.Running on a real CoCo2 with CoCoVGA video adapter.
Space Debris Ed Snider 2017-02-11 | This is an old CPC (I think) chip tune, played on a Tandy Color Computer 2 from the early 80's, using a Yamaha YM2149 cartridge I designed recently. The visuals are done using Magic on my MacBook Pro.I hope you enjoy it!
