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.

See also: technical manual > utility system services > floating point numbers

Errors - none -