2 Instructions
2-240 CP1E CPU Unit Instructions Reference Manual(W483)
FLOATING-POINT MULTIPLY (*F)
Note 1 The results could be zero (including underflows), a numeral, +∞, or –∞.
ER The Error Flag will be turned ON and the instruction will not be executed.
FLOATING-POINT DIVIDE (/F)
Note 1 The results will be zero for underflows.
2The results could be zero (including underflows), a numeral, +∞, or –∞.
ER The Error Flag will be turned ON and the instruction will not be executed.
Multiplicand
Multiplier 0Numeral +∞–∞NaN
000ERER
Numeral 0 See note 1. +/–∞+/–∞
+∞ER +/–∞+∞–∞
–∞ER +/–∞–∞+∞
NaN ER
Dividend
Divisor 0Numeral +∞–∞NaN
0ER +/–∞+∞–∞
Numeral 0 See note 2. +/–∞+/–∞
+∞0 0 (See note 1) ER ER
–∞0 0 (See note 1) ER ER
NaN ER