## ALP Programming Guide and Reference

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### Description

The initialization instructions set the FPU into a known state, unaffected by any previous activity.

The FPU control word is set to 037FH (round to nearest, all exceptions masked, 64-bit precision). The status word is cleared (no exception flags set, stack register R0=stack-top). The stack registers are all tagged as empty. The error pointers (both instruction and data) are cleared.