Virtual Devices (3.1) (vdag31qh.hlp) (Table of Contents; Topic list)
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Debugging Services
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Clear_Mono_Screen          Clears the secondary display
Debug_Convert_Hex_Binary   Converts hexadecimal to a binary
Debug_Convert_Hex_Decimal  Converts a number to decimal
Debug_Test_Cur_VM          Checks for current virtual machine
Debug_Test_Valid_Handle    Checks for valid handle
Disable_Touch_1st_Meg      Disables the first megabyte of memory
Enable_Touch_1st_Meg       Enables the first megabyte of memory
Get_Debug_Options          Checks for command-line debugging options
Get_Mono_Chr               Gets character/attribute from secondary display
Get_Mono_Cur_Pos           Gets cursor position from secondary display
In_Debug_Chr               Reads debugging character
Is_Debug_Chr               Checks for debugging character
Log_Proc_Call              Logs the caller of the current service
Out_Debug_Chr              Writes debugging character
Out_Debug_String           Writes a string to the debugging device
Out_Mono_Chr               Writes to the secondary display
Out_Mono_String            Writes a string to the secondary display
Queue_Debug_String         Queues a debugging string
Set_Mono_Cur_Pos           Sets cursor position for secondary display
Test_Reenter               Test whether VMM has been reentered
Validate_Client_Ptr        Validates the client register pointer