Update graphics DisplayControl and fix method_lookup table

[AdrianSoundy]

Description

Sorted out issues and hard coded screen dimensions in Display control class.
Since last version the Graphic method_lookup was wrong so stopped everything running

Motivation and Context

-Fixes issues

How Has This Been Tested?

With separate test programs and primitive sample

Types of changes

• Improvement (non-breaking change that improves a feature, code or algorithm)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Config and build (change in the configuration and build system, has no impact on code or features)
• Dependencies (update dependencies and changes associated, has no impact on code or features)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[nfbot]

Hi @AdrianSoundy,

🤔 All our issues are tracked in Home repo. If this PR addresses an issue that's mentioned there, please make sure it references it using the correct pattern: nanoFramework/Home#NNNN.

[nfbot]

@AdrianSoundy there are issues with the code style on the source files.
A PR was submitted with the code style fixes. Please review and merge the changes. See https://github.com/AdrianSoundy/nf-interpreter/pull/21.

Make sure you are using the project code style. Check the details here.

[josesimoes]

This should have the standard licensing header.

[nfbot]

@AdrianSoundy there are issues with the code style on the source files.
A PR was submitted with the code style fixes. Please review and merge the changes. See https://github.com/AdrianSoundy/nf-interpreter/pull/22.

Make sure you are using the project code style. Check the details here.

[nfbot]

@AdrianSoundy there are issues with the code style on the source files.
A PR was submitted with the code style fixes. Please review and merge the changes. See https://github.com/AdrianSoundy/nf-interpreter/pull/23.

Make sure you are using the project code style. Check the details here.

[nfbot]

Hi @AdrianSoundy,

🤔 All our issues are tracked in Home repo. If this PR addresses an issue that's mentioned there, please make sure it references it using the correct pattern: nanoFramework/Home#NNNN.