RISC OS Service Call Block Summary ================================== Number Name Reference &0xxxx OS &1xxyy Filing System &xx &105xx NetFS &108xx ADFS &40000 &40040 &40080 &400C0 Wimp &40100 &40200 NetPrint &45540 Draw &80ACx Service_Z80* mdfs.net/Docs/Comp/Spectrum/RISCOS/EmulatedIO &80ADx Service_6502* mdfs.net/Docs/Comp/BBC/RISCOS/EmulatedIO