Int 50  - Til Xpert Aim (x.25)
 Int 50  - IRQ0 Relocated By Desqview
 Int 50  - IRQ0 Relocated By IBM 3278 Emulation Control Program
 Int 50  - IRQ0 Relocated By OS/2 V1.x
 Int 50 Fn 0000  - Vanderaart Text Windows, PC Thuis Shell - Open Text Window
 Int 50 Fn 0001  - Vanderaart Text Windows, PC Thuis Shell - Close Text Windo
 Int 50 Fn 0002  - Vanderaart Text Windows - Put Character In Window
 Int 50 Fn 0002  - PC Thuis Organizer Shell - Plot Text
 Int 50 Fn 0003  - Vanderaart Text Windows - Output Line To Window
 Int 50 Fn 0003  - PC Thuis Organizer Shell - Write File
 Int 50 Fn 0004  - Vanderaart Text Windows - Get Key
 Int 50 Fn 0004  - PC Thuis Organizer Shell - Read File
 Int 50 Fn 0005  - Vanderaart Text Windows - Change Attribute
 Int 50 Fn 0005  - PC Thuis Organizer Shell - Prompt Yes/no
 Int 50 Fn 0006  - Vanderaart Text Windows - Edit Line In Window
 Int 50 Fn 0006  - PC Thuis Organizer Shell - Alert User
 Int 50 Fn 0007  - PC Thuis Organizer Shell - Do Line
 Int 50 Fn 0008  - PC Thuis Organizer Shell - Do Menu
 Int 50 Fn 0009  - PC Thuis Organizer Shell - Message On
 Int 50 Fn 000A  - PC Thuis Organizer Shell - Message Off
 Int 50 Fn 000B  - PC Thuis Organizer Shell - Change Attribute
 Int 50 Fn 000C  - PC Thuis Organizer Shell - Do Request
 Int 50 Fn 000D  - PC Thuis Organizer Shell - Edit Line
 Int 50 Fn 000E  - PC Thuis Organizer Shell - Plot Character
 Int 50 Fn 000F  - PC Thuis Organizer Shell - Empty Window
 Int 50 Fn 0010  - PC Thuis Organizer Shell - Trace Menu
 Int 50 Fn 0011  - PC Thuis Organizer Shell - Move Memory
 Int 50 Fn 0012  - PC Thuis Organizer Shell - Compare Memory
 Int 50 Fn 0013  - PC Thuis Organizer Shell - Get Key
 Int 50 Fn 0014  - PC Thuis Organizer Shell - Scroll Window
 Int 50 Fn 0015  - PC Thuis Organizer Shell - Get Memory Handle