RBIL61 - INT 4B

INT 4B - Acorn BBC Master 512 - "OSBYTE" - MISC FUNCTIONS USING REGISTER PARAMS INT 4B - Tandy 2000 - EQUIPMENT DETERMINATION INT 4B - Common Access Method SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. interface (draft revision 1.9) INT 4B - Z100 - Slave 8259 - S100 vectored line 3 INT 4B - TI Professional PCIBM PC - PARALLEL PORTIBM PC Portable (uses same BIOS as XT) - OUTPUT CHARACTER (AH=00h) INT 4B - TI Professional PCIBM PC - PARALLEL PORTIBM PC Portable (uses same BIOS as XT) - INITIALIZE PRINTER (AH=01h) INT 4B - TI Professional PCIBM PC - PARALLEL PORTIBM PC Portable (uses same BIOS as XT) - GET PRINTER STATUS (AH=02h) INT 4B - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. interface (AH=80h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. (VDSsee Virtual DMA Specification) - GET VERSION (AX=8102h/DX=0000h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - LOCK DMAsee Direct Memory Access REGION (AX=8103h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - UNLOCK DMAsee Direct Memory Access REGION (AX=8104h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - SCATTER/GATHER LOCK REGION (AX=8105h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - SCATTER/GATHER UNLOCK REGION (AX=8106h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - REQUEST DMAsee Direct Memory Access BUFFER (AX=8107h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - RELEASE DMAsee Direct Memory Access BUFFFER (AX=8108h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - COPY INTO DMAsee Direct Memory Access BUFFER (AX=8109h/DX=0000h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - COPY OUT OF DMAsee Direct Memory Access BUFFER (AX=810Ah/DX=0000h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - DISABLE DMAsee Direct Memory Access TRANSLATION (AX=810Bh/DX=0000h) INT 4B - Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations. - ENABLE DMAsee Direct Memory Access TRANSLATION (AX=810Ch/DX=0000h) INT 4B - QEMM-386 - BUG (AX=810Dh)