Boots – shoes – and leggings
Patent
1990-10-29
1993-12-28
MacDonald, Allen R.
Boots, shoes, and leggings
395375, 3642597, 3642549, 364DIG1, 3649474, 3649515, 3649516, 364DIG2, 36471501, G06F 738
Patent
active
052748308
ABSTRACT:
In a zero warranty circuit which checks the length of a packed decimal operand processed in a circuit having a bit width different from the length of the operand, the latter is translated into a sequence of bits corresponding respectively to different decimal digits of the operand. Each of the bits has a first value indicating validity of the corresponding decimal digit and a second value indicating invalidity of the corresponding decimal digit. Those of the bits which correspond to the decimal digits of odd numbered positions are inverted and applied to first coincidence gates for detecting a coincidence with a respective one of those of the bits which correspond to the decimal digits of even numbered positions. The presence of a nonzero bit in each of the decimal digits of even numbered positions is detected and supplied to second coincidence gates for detecting a coincidence with the output signals from the first coincidence gates to generate a signal indicating an exceptional event.
REFERENCES:
patent: 4021655 (1977-05-01), Healey et al.
patent: 4384340 (1983-05-01), Tague et al.
patent: 4615016 (1986-09-01), Bradley et al.
Auve Glenn A.
MacDonald Allen R.
NEC Corporation
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