BBC Micro Performance Wiki

Tag: r0

2 items with this tag.

  • 16 May 2026

    CRTC Counter Freeze (R0=0)

    • crtc
    • r0
    • freeze
    • counters
    • experimental
    • raster
    • c9
    • c4
  • 16 May 2026

    RVI (per-line C9 selection via R0=1 micro-cycles)

    • crtc
    • rupture
    • rvi
    • r0
    • c9
    • single-scanline
    • last-line
    • hsync

Created with Quartz v4.5.2 © 2026

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