Added several VT100 control codes

VT100 control codes for color management and intensity, etc.

Scrolling / palette

• IRQ bugfixes
• Scolling left / right / top / bottom
• VGA / C64 palette
• Custom palette

Speed improvement

• Enabled cache, this is a massive speed boost
• Prepared interrupt handler for 8bit interface
• Cursor can be set to blink mode

Bugfixes / New features

• Lots of under the hood improvements mainly in memory handling
• Display exceptions instead of just freeze
• Bugfix key repeat for some USB keyboards
• 4 new VT102 commands: Insert blank, delete char, insert line, delete line

Collision detection

Implemented collision detection for sprites

Load bitmaps with ASCII chars, decimal or hex encoded

V1.7.4

Load bitmaps with ASCII chars, hex oder decimal encoding

DMA enabled for some graphics

This is quite a speed boost for some graphic functions.

Performance improvements

V1.7.2

Improved graphics performance

Bugfixes and improvements

Check invalid data for sprite commands, don't draw outside of screen

Sprites

First version which supports some kind of sprite handling (probably full of bugs and quite limited yet)