SUB

Synopsis:

Subtract register from register.

Operation:

Rt = Ra - Rb

Description:

This instruction subtracts a general purpose register from a general purpose register and places the result in a general purpose register. This instruction will cause an overflow exception if the result overflows.

Format:

Opcode7 Ra5 Rb5 Rt5 Reserved4 Func6
2 Ra5 Rb5 Rt5 ---- 4