Int 7A/AH=09h/BX=8020h

IBM 3270 Workstation Program API - OPERATOR INFORMATION AREA

AH = 09h
BX = 8020h
CX = 00FFh
DX = ID of OIAM
AL = service
01h read Operator Information Area
02h read OIA subset
ES:DI -> control block

Return:
???

Note: The OIA is the 25th line on the Host session

Category: IBM Workstation/Terminal Emulators - Int 7Ah - I

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