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Power Pc :
A Power PC is a microprocessor designed to meet a standard, which was combining designed by Motorola, Apple and IBM. The PowerPC standard specifies a common instruction set architecture (ISA), allowing anybody to fabricate PowerPC processors and design, which will run the similar code. The PowerPC architecture is based on the IBM POWER architecture used in IBM's RS/6000 workstations. Currently Motorola and IBM are working on PowerPC chips.
The PowerPC architecture specifies 64 bit and32 bit both data paths. Early implementations will be 32 bit; future higher performance implementation will be 64 bit. A PowerPC has 32 general purpose (integer) registers (32- or 64 bit) and 32 floating point (IEEE standard 64 bit) registers.
Opcode : The opcode generally appear in the first byte.but in a few instructions, a register objective is in the first byte and few other instructions may have their 3-bits of
what is sahf nstrucions
IInd Generation Microprocessor : The second generation microprocessor by using n MOS technology seemed in the market in 1973. The Intel 8080, of nMOS technology
DMA DMA stands for Direct Memory Access It is uses same Address/Data lines on ISA bus It controls the ISA bus instead of the processor ("bus master") Floppy
Physical Memory Mapped I/O and Port I/O : CPU controlled I/O comes in 2 ways. Simply the difference is whether we utilize the normal memory addresses for I/O, this is mention
SCAS : Scan String Byte or String Word:- This instruction scans a string of words or byte for an operand word or byte specified in the register AL or register AX. The string i
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General terms for Cache : Cache Hits : When the cache consisted the information requested, the transaction is said to be a cache hit. Cache Miss : When the cache does n
i have trying to do the homework but there is a mistake. (Counting positive and negative numbers and computing the average of numbers) write a program that reads an unspecified nu
IRET : Return from ISR:- When an interrupt service routine is called, before transferring control to it, the IP, CS register and flag registers are stored in the stack to ment
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