Motorola M68000 Betriebsanweisung PDF herunterladen (Seite 253)

Index 239

shift instructions, 129,133-36

used to multiply and divide, 135

sign bit, 11, 58

magnitude, 11

68000 family, 17-21

size, of operands, 41

SLE, 157

SLS, 157

SLT, 157

SMI, 157

SNE, 157

software interrupt, 161

source

code, 1

format, 29

function code register, 178

operand, 41, 71

statements, 29

SP, 89-90,107

special characters, see beginning of

alphabetic listings

SPL, 157

SR, 25,155,176

SRP, 210

SSP, 25,158

ST, 157

stack

applications, 93-95

frames, 109-12

instructions, 89-93

pointer, see SP

use by subroutines, 101

start bit, 164

status register, 25,155,176

STOP, 23, 50,169

stop bit, 164

SUB, 45

SUBA, 46

SUBI, 46

SUBQ, 66

subroutine, 48, 99

subtraction, 44-46

SUBX, 143

supervisor

mode, 23,155

root pointer, 210

stack pointer, see SSP

SVC, 157

SVS, 157

swap 43-44

symbol, 30

choosing, 34

equates, 37

tab character, 30

tag field, 186

TAS, 169,196

TC, 210

ten’s complement, 151

text editor, 2

tokens, 29

trace bit, 155

trace mode, 155,162

translation

control register, 210

descriptor, 209

TRAP, 161

TRAPcc, 198

traps, 158,161

TRAPV, 162,198

truth tables, 129-30

TST, 62

two’s complement, 11-12, 58

UART, 26,164

UNLK, 111

UNPK, 198

user mode, 23

user stack pointer, see USP

USP, 24,158,178

variable, 31

VBR, 178-79

vector base register, see VBR

virtual address space, 174

virtual machine, 173,175

virtual memory, 173-74, 206

wait states, 180

word, 10, 22

working set, 208

write through, 205

zero bit, 62

zero divide, 161

1 2 ... 248 249 250 251 252 253 254 255 256

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