hi! I need an help to figure what these returned codes mean.
Function AL = 00
         AH = 00  DOS 2.x PRINT.COM (undocumented, see note below)
              01  PRINT  (undocumented behavior also, see note below)
        on return:
        AL = 00  not installed, ok to install
           = 01  not installed, do NOT install
           = FF  installed
 I installed PRINT in memory tried AH=00, it returns AL=01
 " "         "     "  "      "     AH=01, it returns AL=FF
 What AL=01 really mean?? If I believe these statements, it says "not
 installed"  but its totaly untrue!
 A Big thanks in advance to anyone who can give me the reason of this!
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