sprite based VGA graphics card

• takes some inspiration from NES & other 80s computers
• will only support sprite based output

Main components

• instruction buffer (reads in multiple 8bit instructions and concatenates as one)
• instruction decoder figures out what to do
• signal generator does vga compatible 640x480@60Hz signal output with VSync & HSync
• pixel generator feeds color information to signal generator based on current scanline/horizontal pixel