Built-in Assembler Instruction Opcodes
The built-in assembler supports all 8086/8087 and 80286/80287 instruction opcodes.
These instruction opcodes are available only in the following states:
Opcodes State Meaning of State
8087 $N+ Numeric processor enabled
80286 $G+ 80286 code generation enabled
80287 $G+,N+ Both enabled
For complete descriptions of the instruction opcodes, refer to your 80x86 and 80x87 reference manuals.