Run CHIP-8 Test ROMs and Verify Correctness

Document CHIP-8 test ROM validation in C.

Requirements:

• Create a C program that documents the purpose and usage of CHIP-8 test ROMs
• Print a summary of at least two test ROMs (corax89 and Timendus) with their coverage
• Print a table of known quirks: memory increment, draw clipping, shift behavior, jump offset
• For each quirk, print the original COSMAC VIP behavior and the modern alternative
• Print a step-by-step validation workflow: load ROM, run cycles, compare output, fix failures
• Include a function that simulates checking a test result and prints PASS or FAIL
• Show how to verify specific opcode implementations using targeted test cases