Boots – shoes – and leggings
Patent
1991-12-03
1995-04-25
Dixon, Joseph L.
Boots, shoes, and leggings
395425, 3642452, 364DIG1, G06F 1202, G06F 1200
Patent
active
054106621
ABSTRACT:
A full set of 36 EMS registers is provided for a computer, without using any of the registers located in the 256K to 640K address range of the standard RAM. This is accomplished by providing first and second alternate RAM sets of 12 registers each, which are accessed in the same 768K to 960K space as the standard twelve registers located in the 768K to 960K space. Access to the 24 registers in the first and second alternate sets of registers is controlled by two control bits. These bits translate address signals directed to the 768K to 960K space to be directed to one or the other of the first and second alternate sets of 12 registers; so that the alternate registers are accessed in the same space as the standard 12 registers in this 768K to 960K space.
REFERENCES:
patent: 5247631 (1993-09-01), Hilton et al.
Hilton William K.
Nolan James B.
Potts Walter H.
Bragdon Reginald
Dixon Joseph L.
Ptak LaValle D.
VLSI Technology Inc.
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