Merge pull request #67 from leonow32/vga

Demo scripts for MicroPython and VGA

Changed colors to yellow foreground and blue background

Merge branch 'master' into vga

Merge pull request #68 from leonow32/slave_spi

Added demo script

VGA stuff

Fixed bug in ReadAddress for Image RAM

WORKSgit add .git add .

Tests on FPGA - images are shifted by 1 pixel

New procedure for image and font read from memory

Started work on 8-bit memory version for color

Started work on 8-bit memory version for color

Worksgit add .git add .git add .git add .git add .git add .git add .g…

Before temporary reduction of colors

WIP

Something still doesn't work

During debug on FPGA, memory module doesn't work

Signals generation, timing to be verified and EBR implementation for …

Improvement in font data and graphics storage in the memory

Fixed bug in font memory - values converted from binary to hex

WIP

Nerged text and color memory into one

Nothing important

WIP

Data received from UART is saved in RAM correctly

WIP

Deleted old versions

214x160 works

Fixed memory organization to save EBRs