The Art of Assembly Language

L

L1 and L2 cache subsystems, 300

large files, 384

large objects, 147

latch, 221

latch devices as output ports, 330

latency

cache access, 301

disk drive, 356

law, distributive, 192

leaks, 117

least recently used (LRU) cache replacement, 306

least significant bit, 22

LED decoders, 215

left associative, 194

left shift operation, 52

legacy support for old instructions, 261

length

opcode, 263

string, 110

length-prefixed strings, 112

Level 0 RAID, 358

Level 1 RAID, 358

level-one (L1) cache, 296

level-three cache, 157

level-two (L2) cache, 296

lifetime of an object, 318

limited-precision arithmetic, 67

line

acknowledge , 350

parallel port

acknowledge, 350

busy, 350

strobe, 349

read control, 136

write control, 136

line feed character, 105

Linux port access, 345

list representation of character sets, 120

list-of-blocks file organization, 381

literal constants, binary, 15

literals (Boolean), 199

little endian

data organization, 144

machine, 148

mixing big and little, 145

local bus, 338

locality, 154

locality of reference

spatial, 153, 298, 300

temporal, 153

logic

active high, 217

active low, 217

clocked, 220

memoryless, 220

sequential, 220

logic functions, 213

logic in CPUs, 228

logical

AND, 192

operation, 46

precedence in Boolean, 194

complement, 192-93

exclusive-or (XOR), 46, 196

inhibition, 196

NAND, 196

negation, 192

NOR, 196

NOT, 196

operation, 46, 47

precedence in Boolean, 194

operations on

binary numbers , 47

bits, 46-47

OR, 192

operation, 46

precedence in Boolean, 194

XOR, 46, 196

long packed date format (32 bits), 57

longhand division, 43-45

loop instruction, 230, 234

low order (LO)

bit, 22

byte, 22

lowercase alphabetic characters , 105

low-level disk access, 375

low-speed I/O devices, 337

LRU (least recently used) cache replacement policy, 306