My zx80/zx81 clon is working
Re: My zx80/zx81 clon is working
Hi Wilco,
Out of curiosity where did you source the grey foam strips for the feet from ?
They look just like the originals and a friend has been asking about them.
Thanks,
Ellis.
Out of curiosity where did you source the grey foam strips for the feet from ?
They look just like the originals and a friend has been asking about them.
Thanks,
Ellis.
Re: My zx80/zx81 clon is working
It is Eva rubber.
This type of material is sold in sheets in paper shops or craft stores.
This type of material is sold in sheets in paper shops or craft stores.
Re: My zx80/zx81 clon is working
Thank you Wilco.
Re: My zx80/zx81 clon is working
Hi guys!
I just found a way to resolve an incompatibility in my zx80 clone design.
The problem was that some models of 74LS00s used as IC11, inverts the video output.
To fix it is necessary to insert a 47K resistor between pin 1 and pin 14 of IC 11 to make a pull-up in the pin 1.
All the information about my clone: https://wilco2009.blogspot.com/2017/07/ ... ading.html
I just found a way to resolve an incompatibility in my zx80 clone design.
The problem was that some models of 74LS00s used as IC11, inverts the video output.
To fix it is necessary to insert a 47K resistor between pin 1 and pin 14 of IC 11 to make a pull-up in the pin 1.
All the information about my clone: https://wilco2009.blogspot.com/2017/07/ ... ading.html