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Emulation » Archimedes » BBC Micro TechDocs » Acorn RiscPC » Acorn A4 Laptop » Acorn A7000 » Archimedes A5000 » Archimedes A4000 » Archimedes A30x0 » Archimedes A3000 » Archimedes A680 » Archimedes A540 » Archimedes A4x0 » Archimedes A3x0 » BBC Master Compact » BBC Master 128 » BBC Micro » Acorn Atom » Acorn Electron Clubs » WROCC » ROUGOL » MUG » BigBenClub.nl Shows » RISC OS North » RISC OS London » RISC OS SouthWest Other Sites » RISC OS Open » StarDot (Discord) » Archimedes Archive » Arc Wiki » RISCOSitory news » The Icon Bar news =>     R0 =     14      R1 =     file handle      R2 =     device driver stream handle      R3 =     IOCtl parameter block <=     R0-R3 preserved This entry point is called for an IOCtl processing call. [sh-index] Back to list of manuals