Note that all known DPMI 0.9 hosts support this function.
AX = 0E00H
if function successful
Carry flag = clear (this function always succeeds in DPMI 1.0)
AX = coprocessor status
if function unsuccessful
Bit Significance 0 MPv (MP bit in the virtual MSW/CR0) 0 = numeric coprocessor is disabled for this client 1 = numeric coprocessor is enabled for this client 1 EMv (EM bit in the virtual MSW/CR0) 0 = client is not emulating coprocessor instructions 1 = client is emulating coprocessor instructions 2 MPr (MP bit from the actual MSW/CR0) 0 = numeric coprocessor is not present 1 = numeric coprocessor is present 3 EMr (EM bit from the actual MSW/CR0) 0 = host is not emulating coprocessorinstructions 1 = host is emulating coprocessor instructions 4-7 coprocessor type 00H = no coprocessor 02H = 80287 03H = 80387 04H = 80486 with numeric coprocessor 05H-0FH reserved for future numeric processors 8-15 not applicable