• a programmed PIC16C84 in the DIL housing, (4MHz version reicht), if possible with circuit version (necessarily for updates)
• 6 small signal diodes, e.g.: 1N4148
• 1 Quartz (around 4 mc/s)
• G 1 resistance 100KOhm
• R2 resistance 2.2... 10KOhm
• C1 condenser 100nF
• 4 poliger plug connector, bent, 2,54 mm of rasters (2.5mm goes to both distance also)
• after 1 circuit board o.g. Layout

Still some project - addition information from me, which is during the Bastelzeitangefallen (for the Insider):

Mode of operation of AKI, matrix code (Scancodes)der ATARI keyboard... u.v.m! (TXT, 7KByte)

List with all Aenderungen(Bugreport) executed so far!

7. Selling, price, quality and advancement

A Bastelprojekt concerns derATARI municipality to be made freely accessible is with my development. This Dokumentund all attaching files are 'F r ee w a r e', may thus freely be copied, or to cost price-passed on. The passing on of CAD or assembler source codes, which is not available in this document, is un z u l ae s s i g . The reproduction is everyone permitted, solangees itself friend-set-concerned around small numbers of items in the private sector /. The reproduction for the purpose of the selling in larger number of itemsist n i c h t permits. For in-copied AKI a price is not justified of over 40, DM for a one-off production. Beigroesseren numbers of items should lower-let itself further the price.

If prospective customers for this project are, eine'professionell ' manufactured circuit board would be possible. In this case be also a SMD layout conceivablly, the circuit board would be then applicable in Schaltkreisfassungdes the POKEY. Is thus sufficient ' AKI - Freaks ' binich gladly ready, also the necessary origin ACD data, also fuerSMD, to release or circuit boards manufacture to leave. (when updating the PIC Softwarekann prove to SMD however as more unfavorable). Are just as conceivablly, as for example further EEPROMS a building block around long keyboard macros to record to be able (to 8 KByte possible). Inanderen cases can fulfill the two still free out / input perhaps additional special functions. Who has relevant ideas, or with the key assignment is not quite content, kannes me gladly do not indicate (AKI can only improve!).

All files gibt's in this document freely to the Download, necessaryfor the reproduction !

Otherwise gibt's with me a PC diskette (3.5 ") with all necessary files for 10, - DM, a programmed PIC with the current software-Version gibt's for 20, - DM, dispatch including in each case.

8. The history of AKI, AKI against KEYKEY KEYS

Still some words to history mean inspired by AKI. to set up ATARI nach2 year again, became I with the ATARI Treffenin of this year Schreiersgruen. It makes one happy to see that there are still one nevertheless ' hard scene core '. Again thank you at Helmut Weidner, not least for the given XEP-80. Since I mean occupation everyday life before PC keyboards spend, it fell me now nevertheless heavily with the ATARI Tastaturzurechtzukommen. Thus I developed this small circuit it enabled to connect the available PC keyboard with the ATARI. I after-after some days of a product named KEYKEY KEYS, which was apparent available some years ago up that market and erfuellte.Da I could find the same purpose to today still no detailed information about or still no KEYKEY KEY, can I no Aussagenzu for this product unfortunately make. All notes to KEYKEY KEYS am I much dankbar(AKI can only improve!).

For notes to the improvement I am at any time grateful, Updateder PIC software am at any time possible. To ask I will try, as fast as possible to answer. MacFalkner@aol.com

Sources:

• SAMS Computerfacts (connection diagrams of different ATARIs), copy vomABBUC Bauplanservice, ABBUC HOME
• The ATARI with IBM keyboard (advertisement for KEYKEY KEYS), copy of the ABBUC Bauplanservice,ABBUC HOME
• PC keyboard at the ATARI XL (partial description of the ATARI Matrixcodes), copy of the ABBUC Bauplanservice, ABBUC HOME
• Application note 734 of national Semiconductor: ' MF2 Compatible KeyboardWith COP8 Microcontrollers ' (structure of a PC keyboard, Scancodes, OCPåls keyboard CONTROLLER), NS-HOME
• Application note 1723 of Motorola: ' Interfacing MC68HC05 Microcontrollersto the IBM RK key board INTERFACE ' (serial keyboard log, 6805 as keyboard CONTROLLERS), MOTOROLA SEMICONDUCTOR HOME
• Data sheet to the PIC16C84 von Microchip, MICROCHIP HOME

Thank you on:

• Burkhard Rau (Media Inside) for the beta test and staendigeNoergeln the HCRBurk,
• the A.B.B.U.C. - structural drawing service for the technical Unterlagen(schon of few years ago),
• Erhard ' floppy Doc ' Puetz for the beta test, the information zuTRANSKEY and fuer's Verpetzen at Wolfgang:-)), it would not have given otherwise ever this page!.

09,06,1998, André Bertram.