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AX = 1685h BX = VM ID of virtual machine to switch to CX = flags (see #02717) DX:SI = priority boost (refer to VMM.INC) ES:DI -> FAR procedure to callback
Return:
CF set on error AX = error code 01h invalid VM ID 02h invalid priority boost 03h invalid flags CF clear if successful event will be or has been called
Notes: Some DOS devices, such as networks, need to call functions in a specific VM. This call forces the appropriate VM to be installed.. The callback procedure must preserve all registers and return with IRET
See Also: AX=1683h - INT 15/AX=1117h - AX=DB06h"WINGO"
Bitfields for VM switching flags: Bit(s) Description (Table 02717) 0 wait until interrupts enabled 1 wait until critical section unowned 2-15 reserved (zero)
Category: Windows - Int 2Fh - M
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