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*** [http://www.6502.org/tutorials/6502opcodes.html 6502 Opcodes with Register Definitions]
*** [https://www.masswerk.at/6502/6502_instruction_set.html 6502 Opcodes with Detailed Operation Information]
* [https://docs.google.com/spreadsheets/d/1a1-ZZ1opY8xcuUHNxj3YW75dxOPynSuP2-QGSvZGzYY/edit?usp=sharing Spreadsheet of bitmmapped bitmapped display memory locations]
== Lab 2 ==
# Add this instruction after the <code>loop:</code> label and before the <code>sta ($40),y</code> instruction: <code>tya</code>
# What visual effect does this cause, and how many colours are on the screen? Why?
# Add this instruction after the <code>tya</code>: <code>lsalsr</code>
# What visual effect does this cause, and how many colours are on the screen? Why?
# Repeat the above tests with two, three, four, and five <code>lsr</code> instructions in a row. Describe and explain the effect in each case.
