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AgeCommit message (Collapse)AuthorFilesLines
2020-08-18move sdl event handling to own functionDaniel Jones1-28/+31
2020-08-18implemented keypadDaniel Jones1-13/+75
hex keypad is mapped to keys 1234,qwer,asdf,zxcv
2020-08-17implement pixel XORing and wrappingDaniel Jones1-2/+11
sprites are properly XOR'd to the display, setting the 0xF register as appropriate. sprites also wrap on the bottom and irght side of the screen. because you can't access negative video memory, wrpaping top to bottom and left to right isn't implemented
2020-08-17sprite drawing basic implementationDaniel Jones1-2/+23
begin implementing sprite drawing, currently draws the chip8 fontset well, no idead about other sprites yet
2020-08-16began chip8 interpreter, reading rom fileDaniel Jones1-5/+26
2020-08-16SDL init stuff, test codeDaniel Jones1-0/+105