There are the following debugging services:
Service | Description |
_Assert_Range | Validates a pointer to any structure |
Clear_Mono_Screen | Clears the secondary display. |
Debug_Convert_Hex_Binary | Converts hexadecimal to binary. |
Debug_Convert_Hex_Decimal | Converts a number to decimal. |
_Debug_Flags_Service | Asserts various conditions. |
_Debug_Out_Service | Sends a null-terminated ASCII string to the debugging device and stops the debugger if one is running. |
_Debug_Printf_Service | Prints a C-style formatted string to the debugging device. |
Debug_Test_Cur_VM | Asserts that EBX is the current VM handle. |
Debug_Test_Valid_Handle | Asserts that EBX is a valid VM 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 the character/attribute from the secondary display. |
Get_Mono_Cur_Pos | Gets the cursor position from the secondary display. |
In_Debug_Chr | Reads one character from the debugging device. |
Is_Debug_Chr | Checks if a character is ready on the debugging device. |
Log_Proc_Call | Logs the caller of the current procedure. |
Out_Debug_Chr | Writes one character to the debugging device. |
Out_Debug_String | Writes a string to the debugging device. |
Out_Mono_Chr | Writes one character 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 the cursor position for the secondary display. |
Test_Reenter | Asserts that VMM has not been re-entered. |
_Trace_Out_Service | Writes a null-terminated ASCII string to the debugging device. |
Validate_Client_Ptr | Validates the client register pointer. |