80960HA/HD/HT

2.3Instruction Set Summary

Table 4 summarizes the 80960Hx instruction set by logical groupings.

Table 4. 80960Hx Instruction Set

Data Movement

Arithmetic

Logical

Bit / Bit Field / Byte

 

 

 

 

 

Add

 

 

 

Subtract

 

 

 

Multiply

And

Set Bit

 

Divide

Not And

 

Clear Bit

 

Remainder

And Not

 

Not Bit

Load

Modulo

Or

Alter Bit

Store

Shift

Exclusive Or

Scan For Bit

Move

Extended Shift

Not Or

Span Over Bit

Load Address

Extended Multiply

Or Not

Extract

Conditional Select2

Extended Divide

Nor

Modify

 

Add with Carry

Exclusive Nor

 

Scan Byte for Equal

 

Subtract with Carry

Not

 

Byte Swap2

 

Rotate

Nand

 

 

 

Conditional Add2

 

 

 

Conditional Subtract2

 

 

Comparison

Branch

Call/Return

Fault

 

 

 

 

Compare

 

 

 

Conditional Compare

 

Call

 

Compare and Increment

 

 

Unconditional Branch

Call Extended

 

Compare and Decrement

Conditional Fault

Conditional Branch

Call System

Compare Byte2

Synchronize Faults

Compare and Branch

Return

Compare Short2

 

 

Branch and Link

 

Test Condition Code

 

 

 

 

 

Check Bit

 

 

 

 

 

 

 

Debug

Processor Mgmt

Atomic

Cache Control

 

 

 

 

 

Flush Local Registers

 

 

Modify Trace Controls

Modify Arithmetic Controls

Atomic Add

Instruction Cache

Mark

Modify Process Controls

Control1, 2

Force Mark

Interrupt Enable/ Disable1, 2

Atomic Modify

Data Cache Control1, 2

 

System Control1

 

 

NOTES:

1.80960Hx extensions to the 80960 core instruction set.

2.80960Hx extensions to the 80960Cx instruction set.

Datasheet

13

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Image 13
Intel 80960HT manual Instruction Set Summary, Hx Instruction Set, Data Movement Arithmetic Logical Bit / Bit Field / Byte

80960HT, 80960HA, 80960HD specifications

The Intel 80960 family of microprocessors, introduced in the late 1980s, marked a significant evolution in the landscape of embedded systems and high-performance computing. The series included notable members such as the 80960HD, 80960HA, and 80960HT, each offering distinct features, technologies, and characteristics tailored for specific applications.

The Intel 80960HD was primarily designed for high-performance applications, such as real-time processing and advanced embedded control systems. With a robust architecture, the 80960HD featured a 32-bit data bus and a 32-bit address bus, enabling it to access a larger memory space and providing superior performance for computational tasks. It included a sophisticated instruction set that facilitated efficient execution, particularly for computationally intensive tasks. The internal architecture also supported pipelining, allowing multiple instructions to be processed simultaneously, thus enhancing throughput.

The 80960HA variant was tailored for high-availability applications, making it ideal for embedded systems where reliability is paramount. This model incorporated features that emphasized fault tolerance and stability, ensuring that systems relying on it could maintain operational integrity even in the event of component failures. The 80960HA showcased enhanced error detection and correction capabilities, which contributed to its reputation as a dependable choice for mission-critical applications.

On the other hand, the 80960HT was designed to meet the needs of high-performance telecommunications and networking applications. Recognized for its ability to handle multiple tasks concurrently, the 80960HT included advanced features such as built-in support for multitasking and real-time processing. This made it an excellent fit for applications that demanded rapid data handling and processing, such as routers and switches in networking environments. Its architecture allowed for efficient context switching, ensuring that multiple processes could execute seamlessly.

All three variants utilized the same family architecture, enabling easy integration and compatibility across different applications. They also supported various memory management techniques, such as virtual memory and caching, enhancing their performance in diverse operating conditions. With their combination of high processing power, reliability, and flexibility, the Intel 80960 family of microprocessors played a crucial role in advancing embedded computing technologies, paving the way for modern-day processors and systems. The 80960 series remains a noteworthy chapter in the evolution of microprocessor design, reflecting the growing demands of the computing landscape during its time.