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The starting point: what a cycle-stepped emulator is, the machine it reproduces, what it displays, and where the project stands.

• Phosphoric for beginnersPhosphoric without jargon: what an emulator is, what the Oric was, why count cycles one by one, and what you can do with it, in a few diagrams.
• The emulated OricThe machine Phosphoric reproduces: the Oric-1 and the Atmos, their 6502, the ULA, the VIA, the PSG, the memory map, serial attributes and the keyboard.
• The galleryScreens rendered by Phosphoric itself, with no display: BASIC 1.0 and 1.1, a HIRES drawing, a per-cycle raster split, eight ULA-NG demos and the F1 menu.
• Where Phosphoric standsPhosphoric at v2.30.0: what is proved, what stays approximate, the programs tried, the platforms, and the timeline from version 0.1 to version 2.30.