papapopop
Member
Hi,
picked up a playmatic Big Town non working.
The CPU is a 1802 (used in Galileo,Viking and Voyager spacecraft !)with 1834 ROMs and 1824 RAMs. Seemed to be 1024x8 but with +5V and -12V supply.
Does anyone knows how to read out the ROMs ?
Exist there a substitute or adapter to read it out like a 27xx Eprom or is there a known programmer.
Further would it be interesting for me if anyone made a clone of the 1802 CPU with an ATMEGA / gfpa / pic or similar ?
Same questions on the RAM 1824.
Hints would be usefull.
Oh yeah very old stuff, but I like it.
Greets
picked up a playmatic Big Town non working.
The CPU is a 1802 (used in Galileo,Viking and Voyager spacecraft !)with 1834 ROMs and 1824 RAMs. Seemed to be 1024x8 but with +5V and -12V supply.
Does anyone knows how to read out the ROMs ?
Exist there a substitute or adapter to read it out like a 27xx Eprom or is there a known programmer.
Further would it be interesting for me if anyone made a clone of the 1802 CPU with an ATMEGA / gfpa / pic or similar ?
Same questions on the RAM 1824.
Hints would be usefull.
Oh yeah very old stuff, but I like it.
Greets