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• BBC Micro
  printer port, memory-mapped user port, 1Mhz bus interface, the [[Tube]] While commercial software for the BBC Micro was slow to come at first,
  13 KB (2,114 words) - 13:45, 17 October 2020
• Cycle stretching
  ...ve no wait states, the [[CPU]] clock itself is slowed down to wait for the slow device to respond. The I/O bus on the [[BBC Micro]] normally runs at 2 MHz. (The DRAM bus, which is shared with the [[CRTC]], runs at 4 MHz). The following devices
  2 KB (347 words) - 20:12, 8 March 2015
• High density floppy disc access
  [[File:Nmi rdio 16us check.png|thumb|690px|right|Loading slow memory is stable at 16 µs ber byte.]] # If your FDC is on the 1 MHz bus, add 2 cycles.
  23 KB (3,810 words) - 20:37, 6 October 2019
• Keyboard
  The '''keyboard''' is attached to the [[slow bus]] and accessed by the [[system VIA]]. On the BBC there are 74 keys includin
  80 KB (9,687 words) - 02:20, 30 December 2020