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AX = 2780h.CL = 05h (module:
VM). CH = function 00h "F_VMProtInit" internal protected-mode initialization 01h "Z_TMLoad" load task manager 02h "Z_TMUnload" unload task manager 03h "Z_VMBackSet" send virtual machine to background 04h "Z_VMForeSet" send virtual machine to foreground 05h "Z_VMSaveEnable" enable saving virtual machine 06h "Z-VMSaveDisable" disable saving virtual machine 07h "Z_TMInit" intialize task manager 08h "Z_TMHotKeyGet" get task manager hotkey 09h "Z_TMHitKeyEnable" restart scanning for task manager key 0Ah "Z_TMHotKeyDisable" stop scanning for task manager key 0Bh "X_ForeGet" get current foreground domain 0Ch "F_DMAHandlerEnable" (re)enable DMA address translation 0Dh "F_DMAHandlerDisable" disable DMA address translation 0Eh "Z_SerialTimeoutGet" set serial port timeout 0Fh "Z_ParallelTimeoutSet" set parallel port timeout 10h "F_VCPIEntry" domain is entering VCPI mode 11h "F_VCPIExit" domain is leaving VCPI mode 12h "X_MsgGlobalEnter" enter Global Message Mode 13h "X_MsgGlobalDisplay" display global message 14h "X_MsgGlobalExit" leave Global Message Mode 15h "X_MsgDomEnter" enter Domain Message Mode 16h "X_MsgDomDisplay" display domain-specific message 17h "X_MsgDomExit" leave Domain Message Mode 18h "X_MsgFatalDisplay" display fatal error message 19h "Z_SerialBaseSet" set serial port address 1Ah "Z_ParallelBaseSet" set parallel port address 1Bh "Z_SerialIRQSet" set serial port IRQ 1Ch "Z_ParallelIRQSet" set parallel port IRQ 1Dh "F_ResetVideo" emergency video system reset 1Eh "F_SetMouseIRQ" set which IRQ is used by mouse 1Fh "F_CheckNotIdle" check whether system is idle 20h "F_GetMouseInfo" 21h "Z_SerialOwnerGet" get serial port owner 22h "Z_SerialTimeoutGet" get serial port timeout 23h "Z_ParallelOwnerGet" get parallel port owner 24h "Z_ParallelTimeoutGet" get parallel port timeout. ???
Return:
???
Notes: Called by DPMS.EXE and EMM386.EXE. The handler for this function may be set by one of the subfunctions of AX=2780h/CL=01h; the default handler returns AX=BX=FFFFh and CX=0001h (see #02739). This API is only available if AX=12FFh/BX=0EDCh returns successfully; because the request is handled on the initial trap to the memory manager caused by INT instructions, this API must be invoked with an actual INT 2F instruction instead of some simulation such as a far call to the address in the interrupt vector table
See Also:
Category:
Memory Management
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Int 2Fh
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