EMUL EXTENDED MULTIPLY
|
Purpose |
perform extended-precision multiplication |
|
Format |
opcode mulr.rl, muld.rl, add.rl, prod.wq |
|
Operation |
prod ß muld * mulr + SEXT(add); |
|
Condition codes |
N ß prod LSS 0; Z ß prod EQL 0; V ß 0; C ß 0; |
|
Exceptions |
None |
|
Opcodes |
7A EMUL Extended Multiply |
|
Description |
The multiplicand operand is multiplied by the multiplier operand giving a double length result. The addend operand is sign extended to double length and added to the result. The product operand is replaced by the final result. |