Add basic two's complement addition and subtraction to binary.dart

matanlurey / gba.dart-archived

A gameboy advanced emulator written in Dart

https://github.com/matanlurey/gba.dart

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Closed kendalharland closed 7 years ago

kendalharland commented 7 years ago

Add example usage in arithmetic.dart with add instruction.
Fix incorrect carryFrom and overflow implementations: true values shouldn't be recomputed.

kendalharland commented 7 years ago

Too sleepy to clean up inconsistently detailed comments/literals in binary_test.dart Will do in the morning.
It's not practical for us to test every Integral in binary.dart this way. This first push is just to prove the operations work. I will refactor.