URL
https://opencores.org/ocsvn/zipcpu/zipcpu/trunk
Subversion Repositories zipcpu
[/] [zipcpu/] - Rev 138
Go to most recent revision | Changes | View Log | RSS feed
Last modification
- Rev 138 2016-05-06 14:54:30 GMT
- Author: dgisselq
- Log message:
- This updates the CPU multiply instruction into a set of three instructions.
MPY is a 32x32-bit multiply instruction, returning the low 32-bit result,
MPYUHI returns the upper 32-bits assuming the result was unsigned and MPYSHI
returns the upper 32-bits assuming the result was signed.