TEN LINE ORIC BASIC INVADERS

Ten line BASIC challenges are thing Ive had a few goes at, but a classic invaders game seemed a bit too much of a stretch. Then a recent competition showed a really nice version for the Acorn Electron. Looking at the source, it took advantage of abbreviations e.g. G. instead of GOTO - unfortunately the Oric does not allow this. But I thought I would have a go anyway, and managed to squeeze in the following: Scoring (wow!)Increasing difficulty level (each new wave starts lower down)Sound effects ...