46 INT 46 - SYSTEM DATA - HARD DISK 1 DRIVE PARAMETER TABLE ADDRESS [NOT A VECTOR!]
46 INT 46 - Z100 - Master 8259 - Keyboard, Retrace, and Light Pen
46 INT 46 - TI Professional PC - IRQ6 - FLOPPY DISK CONTROLLER
46 INT 46 - Acorn BBC Master 512 - "OSRDCH" - GET CHARACTER FROM CUR INPUT STREAM