On Fri, Dec 10, 2010 at 10:19:08PM +1300, matt wrote: >can i see some pix. >is it a pet or c64??? The PET64 a.k.a. 4064 a.k.a. EDUCATOR64 is a Commodore 64 in a PET case, for use in schools. George Page used to have one. Does Bo Zimmerman know where it is now? At http://zimmers.net/anonftp/pub/cbm/pictures/gpage2/gpage2.html is George Page's description that I formatted in HTML in 1994 or 1995: >11, 12, 13: A 4064 (Educator 64 in a standard large PET case) and a >SuperPET (SP9000). 12 shows the switches on the side of the SP that >switched between ROMs and also write-protected memory. > >The Educator was designed for school use, and used primarily >refurbished C64 boards that had been returned to Commodore as defective >or "sparkily". It came in both this style case, and a standard 64 style >case. More-or-less crammed into whatever CBM had on hand and could sell >to schools. The sound (SID), color, and sprites were disabled. '82/'83. >[William Levak points out that according to other sources, the SID chip >was indeed present in the Educator 64, but there was no loudspeaker in >the system.] > >[Editor's note: The Educator 64 uses a slightly modified KERNAL ROM >that omits the "38911 BASIC BYTES FREE" message and changes the screen >colors to black and white.] Best regards, When I maintained the Commodore archive at FUNET that is now available at http://zimmers.net/anonftp/pub/cbm/firmware/computers/c64/ I wrote the following: >kernal.4064.901246-01.bin >This 8-kilobyte ROM has been reported in various machines (4064, PET64, >EDUCATOR64), which are versions of the Commodore 64 built in a PET case >with an integrated monochrome monitor. The system interrupt routine >resets sprite, background and border colors to black unless the >high-order bit of the location 646 (cursor colour, $0286) is set. Using >any colour command resets location 646 and, therefore, the colors. I hope that this helps, maybe even in the troubleshooting. :-) Marko Message was sent through the cbm-hackers mailing listReceived on 2010-12-10 10:00:25
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