Feature request: TSR support (a lot of games use them)

[maximilien-noal]

No description provided.

[maximilien-noal]

This is related to INT21h functions:

Ray Michels explains in more detail in chapter 5 which covers TSRs and
DOS multitasking, the DOS functions most critical to consistent TSR operation
are as follows:
n INT 21h Fimction 34h(Return InDOS Pointer)
n INT 21h Function 50h (Set PSP Segment)
n INT 21h Ftmction 51h(Get PSP Segment)
n INT 21h Ftmctions 5D06h,SDOBh(Get DOS Swappable Data Area)
n INT 21h Function SDOAh(Set Extended Error Information)
n INT 28h(Keyboard Busy Loop)

Quote from the Undocumented DOS book.