**Describe the bug**
Program writes data into unexpected area.
**To Reproduce**
Just run attached project file in internal simulator.
**Expected behavior**
https://youtu.be/Nb9JCW7X6eg
**S…
The TS2068 screen driver should support switching to the Timex hires and high colour screens.
The ULA used by the Timex machines provides a number of additional screen modes. These are controlled u…