struc Error
 errAX          dw ?            ; AX register
 errBX          dw ?            ; BX register
 errCX          dw ?            ; CX register
 errDX          dw ?            ; DX register
 errSI          dw ?            ; SI register
 errDI          dw ?            ; DI register
 errDS          dw ?            ; DS register
 errES          dw ?            ; ES register
 errReserved    dw ?            ; Reserved 16 bits
 errUID         dw ?            ; User (computer) ID  (0 = local computer)
 errPID         dw ?            ; Program ID  (0 = local program)
ends                            ; = 22d bytes