Disk I/O Support B-13 Blocks Versus Sectors B-13 Device Probe Function B-15

Disk I/O via 177Bug Commands B-16IOI (Input/Output Inquiry) B-16IOP (Physical I/O to Disk) B-16IOT (I/O Teach) B-17

IOC (I/O Control) B-17

BO (Bootstrap Operating System) B-17BH (Bootstrap and Halt) B-17

Disk I/O via 177Bug System Calls B-17

Default 177Bug Controller and Device Parameters B-19 Disk I/O Error Codes B-19

Network I/O Support B-19

Intel 82596 LAN Coprocessor Ethernet Driver B-20 UDP/IP Protocol Modules B-20

RARP/ARP Protocol Modules B-21 BOOTP Protocol Module B-21 TFTP Protocol Module B-21 Network Boot Control Module B-22Network I/O Error Codes B-22

Multiprocessor Support B-22

Multiprocessor Control Register (MPCR) Method B-22GCSR Method B-24

Diagnostic Facilities B-25

Using the 177Bug Debugger B-27 Entering Debugger Command Lines B-27 Syntactic Variables B-28

Expression as a Parameter B-29 Address as a Parameter B-31 Address Formats B-31 Offset Registers B-32

Port Numbers B-34

Entering and Debugging Programs B-35

Calling System Utilities from User Programs B-36Preserving the Debugger Operating Environment B-36

177Bug Vector Table and Workspace B-36 Hardware Functions B-37

Exception Vectors Used by 177Bug B-37 Using 177Bug Target Vector Table B-39 Creating a New Vector Table B-40

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Motorola MVME177 manual