Int 2F Fn D44E  C - 4dos V3.0+ - Awaiting User Input                       [l]

   AX = D44Eh
---4DOS v3.01+---
   BX = condition
       0000h 4DOS is ready to display prompt
       0001h 4DOS has displayed the prompt, about to accept user input

Return: the handler must preserve SI, DI, BP, SP, DS, ES, and SS

Note:  v3.00 only makes the call corresponding to BX=0001h, does not set BX

See Also: AX=D44Dh