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AX = 1117h BX = 0000h get current mapping context without setting nonzero set new mapping context
Return:
BX = mapping context in effect before call interrupts enabled
Notes: This function differs from AX = DE17h for DESQview v2.20 through 2.25. Mapping contexts determine conventional-memory addressability; setting a mapping context ensures that the associated program and data areas are in memory for access. Usable by drivers, TSRs and shared programs.. Caller need not be running under DESQview, but must ensure that the stack in use will not be mapped out by the call
See Also: AX=DE17h - INT 2F/AX=1685h
Category: DESQview/TopView and Quarterdeck Programs - Int 15h - D
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