3 ms·
Some CPUs like the Saturn from Hewlett-Packard [1] are designed for BCD. Though they can perform binary operations, registers are structured for 64-bit floating
by s_gourichon 9y ago
Some CPUs like the Saturn from Hewlett-Packard [1] are designed for BCD. Though they can perform binary operations, registers are structured for 64-bit floating point operations with a 4-bit wide bus and nibble-granularity addressing of register nibbles: 1 sign, 12 mantissa, 3 exponent.
[1] https://en.wikipedia.org/wiki/HP_Saturn https://en.wikipedia.org/wiki/HP_Saturn