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Floating Point Instructions
FSUB
Floating-Point Subtract
(MC6888X, MC68040)
FSUB
Destination Register field—Specifies the destination floating- point data register.
Opmode field—Specifies the instruction and rounding precision.
0101000 FSUB
1101000 FSSUB
1101100 FDSUB
MOTOROLA
Rounding precision specified by the floating- point
control register.
Single-precision rounding specified.
Double-precision rounding specified.
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
5-135