OSWORD &6F

OSWORD &6F (111) - Write byte to shadow RAM board Watford 32K

On entry:
 XY+0..1=address within RAM board
 XY?2   =bank flag, as for OSWORD &6E
 XY?3   =byte to be written
On exit:
 XY?3=former contents of memory location.

See Also

• http://mdfs.net/Docs/Comp/BBC/Oswords

Jgharston 13:14, 26 May 2009 (UTC)