|5Ah||MT$FSUB||floating point substraction|
|Input||Floating-point registers contain the two
numbers to be subtracted.
|Output||Accumulator contains accumulator - operand.|
Subtracts the floating-point operand from the accumulator.
The subtract routine simply toggles the sign byte of the operand and adds the registers as described in MT$FADD, and is called in the same way.
|Errors||- none -|