Avago Technologies LSI53C1010 - Manual (Page 14)

xiv Contents
9.5.5 Stacked Interrupts 9-24
9.5.6 Halting in an Orderly Fashion 9-24
9.5.7 Sample Interrupt Service Routine 9-25
9.6 Migrating Existing Software to Ultra, Ultra2, and
Ultra3 SCSI
9-26
9.6.1 Clock Divider Bits 9-27
9.6.2 Ultra Enable Bit 9-28
9.6.3 Loading the New Register Values 9-28
9.6.4 Negotiating Synchronous Transfers 9-28
9.6.5 Using the SCSI Clock Doubler 9-29
9.6.6 Using the SCSI Clock Quadrupler 9-29
9.7 Using the SCRIPTS RAM 9-30
9.7.1 Loading SCRIPTS RAM 9-30
9.7.2 Programming Techniques when Using
SCRIPTS RAM
9-31
9.7.3 Patching Internal and External SCRIPTS
Programs
9-37
Chapter 10 Multithreaded I/O
10.1 Overview 10-1
10.2 Multithreaded Operations Flow 10-2
10.3 SCRIPTS Areas 10-4
10.4 Multithreaded SCRIPTS Example 10-4
10.5 Using the SIGP Bit to Abort an Instruction 10-10
10.6 I/O Completion 10-12
Chapter 11 Using the SCRIPTS Processor in Target Applications
11.1 SCSI and Target SCRIPTS Protocol 11-1
11.2 Registers Used for Target Operation 11-3
11.3 Using SCRIPTS for Target Operation 11-3
11.3.1 Sample Target Operation SCRIPTS Program 11-4
11.4 Synchronous Negotiation by a Target Device 11-16
Chapter 12 Debugging the SCRIPTS Processor
12.1 Chip Debugging Guidelines 12-1
12.2 Register Used for Debugging 12-3