offset address造句
造句與例句
手機版
- The command field had 4 bits to hold the offset address of the named mask.
- Register machines handle this with a register + offset address mode, but use a wider offset field.
- Or it may be merely a set of conventions followed by the compilers, using generic registers and register + offset address modes.
- Before transferring control to the subroutine, call pushes the segment offset address of the instruction following the call onto the stack; ret pops this value off the stack, and jumps to it, effectively returning the flow of control to that part of the program.
- In particular, this facilitates straightforward access to memory above 1 MB ( 1024 ^ 2 bytes ), which cannot be addressed in real mode without special hardware, such as expanded memory boards . ( In the 80286 and later processors with the A20 line enabled, segment : offset addresses allow a maximum address of 1114095 ( 65535 * 16 + 65535 ) to be specified in real mode; this extra space above 1 MB is known as the HMA, or High Memory Area .)
- The same ALU that is used to execute arithmetic and logic instructions is also used to calculate effective addresses . ( There is a separate adder for adding a shifted segment register to the offset address, but the offset EA itself is always calculated entirely in the main ALU . ) Furthermore, the loose coupling of the EU and BIU ( bus unit ) inserts communication overhead between the units, and the four clock period bus transfer cycle is not particularly streamlined . ( Contrast the two clock period bus cycle of the 6502 CPU and the 80286's three clock period bus cycle with pipelining down to two cycles for most transfers . ) Most 8088 instructions that can operate on either registers or memory, including common ALU and data-movement operations, are at least four times slower for memory operands than for only register operands.
- It's difficult to see offset address in a sentence. 用offset address造句挺難的
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