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7A09--BX8020

Category: IBM workstation/terminal emulators

INT 7A - IBM 3270 Workstation Program API - PRESENTATION SPACE SERVICES

	AH = 09h
	BX = 8020h
	CX = 00FFh
	DX = ID of PCPSM
	AL = service
	    01h define presentation space
	    02h delete presentation space
	    03h display presentation space
	    04h position cursor in presentation space
	    05h change default presentation space
	ES:DI -> control block
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