content.htm

汇编语言编程艺术

Routines</A> 
<DT><A HREF="CH14/CH14-2.html#HEADING2-55"><B>14.3.2 </B>- Integer/Floating
Point Conversion</A> 
<DT><A HREF="CH14/CH14-2.html#HEADING2-60"><B>14.3.3 </B>- Floating Point
Arithmetic</A> 
<DT><A HREF="CH14/CH14-2.html#HEADING2-64"><B>14.3.4 </B>- Float/Text Conversion
and Printff</A> 
<DT><A HREF="CH14/CH14-3.html#HEADING3-1"><B>14.4 </B>- The 80x87 Floating
Point Coprocessors</A> 
<DT><A HREF="CH14/CH14-3.html#HEADING3-4"><B>14.4.1 </B>- FPU Registers</A>
<DT><A HREF="CH14/CH14-3.html#HEADING3-6"><B>14.4.1.1 </B>- The FPU Data
Registers</A> 
<DT><A HREF="CH14/CH14-3.html#HEADING3-11"><B>14.4.1.2 </B>- The FPU Control
Register</A> 
<DT><A HREF="CH14/CH14-3.html#HEADING3-33"><B>14.4.1.3 </B>- The FPU Status
Register</A> 
<DT><A HREF="CH14/CH14-3.html#HEADING3-46"><B>14.4.2 </B>- FPU Data Types</A>
<DT><A HREF="CH14/CH14-4.html#HEADING4-1"><B>14.4.3 </B>- The FPU Instruction
Set</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-3"><B>14.4.4 </B>- FPU Data Movement
Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-5"><B>14.4.4.1 </B>- The FLD Instruction</A>
<DT><A HREF="CH14/CH14-4.html#HEADING4-14"><B>14.4.4.2 </B>- The FST and
FSTP Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-27"><B>14.4.4.3 </B>- The FXCH Instruction</A>
<DT><A HREF="CH14/CH14-4.html#HEADING4-35"><B>14.4.5 </B>- Conversions</A>
<DT><A HREF="CH14/CH14-4.html#HEADING4-37"><B>14.4.5.1 </B>- The FILD Instruction</A>
<DT><A HREF="CH14/CH14-4.html#HEADING4-43"><B>14.4.5.2 </B>- The FIST and
FISTP Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-52"><B>14.4.5.3 </B>- The FBLD and
FBSTP Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-66"><B>14.4.6 </B>- Arithmetic Instructions</A>
<DT><A HREF="CH14/CH14-4.html#HEADING4-68"><B>14.4.6.1 </B>- The FADD and
FADDP Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-82"><B>14.4.6.2 </B>- The FSUB, FSUBP,
FSUBR, and FSUBRP Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-104"><B>14.4.6.3 </B>- The FMUL and
FMULP Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-118"><B>14.4.6.4 </B>- The FDIV,
FDIVP, FDIVR, and FDIVRP Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-146"><B>14.4.6.5 </B>- The FSQRT
Instruction</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-163"><B>14.4.6.6 </B>- The FSCALE
Instruction</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-173"><B>14.4.6.7 </B>- The FPREM
and FPREM1 Instructions</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-188"><B>14.4.6.8 </B>- The FRNDINT
Instruction</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-191"><B>14.4.6.9 </B>- The FXTRACT
Instruction</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-202"><B>14.4.6.10 </B>- The FABS
Instruction</A> 
<DT><A HREF="CH14/CH14-4.html#HEADING4-211"><B>14.4.6.11 </B>- The FCHS
Instruction</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-1"><B>14.4.7 </B>- Comparison Instructions</A>
<DT><A HREF="CH14/CH14-5.html#HEADING5-5"><B>14.4.7.1 </B>- The FCOM, FCOMP,
and FCOMPP Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-22"><B>14.4.7.2 </B>- The FUCOM,
FUCOMP, and FUCOMPP Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-31"><B>14.4.7.3 </B>- The FTST Instruction</A>
<DT><A HREF="CH14/CH14-5.html#HEADING5-33"><B>14.4.7.4 </B>- The FXAM Instruction</A>
<DT><A HREF="CH14/CH14-5.html#HEADING5-35"><B>14.4.8 </B>- Constant Instructions</A>
<DT><A HREF="CH14/CH14-5.html#HEADING5-44"><B>14.4.9 </B>- Transcendental
Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-46"><B>14.4.9.1 </B>- The F2XM1 Instruction</A>
<DT><A HREF="CH14/CH14-5.html#HEADING5-58"><B>14.4.9.2 </B>- The FSIN, FCOS,
and FSINCOS Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-62"><B>14.4.9.3 </B>- The FPTAN Instruction</A>
<DT><A HREF="CH14/CH14-5.html#HEADING5-65"><B>14.4.9.4 </B>- The FPATAN
Instruction</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-70"><B>14.4.9.5 </B>- The FYL2X and
FYL2XP1 Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-79"><B>14.4.10 </B>- Miscellaneous
instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-82"><B>14.4.10.1 </B>- The FINIT
and FNINIT Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-84"><B>14.4.10.2 </B>- The FWAIT
Instruction</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-86"><B>14.4.10.3 </B>- The FLDCW
and FSTCW Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-93"><B>14.4.10.4 </B>- The FCLEX
and FNCLEX Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-95"><B>14.4.10.5 </B>- The FLDENV,
FSTENV, and FNSTENV Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-111"><B>14.4.10.6 </B>- The FSAVE,
FNSAVE, and FRSTOR Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-135"><B>14.4.10.7 </B>- The FSTSW
and FNSTSW Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-142"><B>14.4.10.8 </B>- The FINCSTP
and FDECSTP Instructions</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-144"><B>14.4.10.9 </B>- The FNOP
Instruction</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-146"><B>14.4.10.10 </B>- The FFREE
Instruction</A> 
<DT><A HREF="CH14/CH14-5.html#HEADING5-150"><B>14.4.11 </B>- Integer Operations</A>
<DT><A HREF="CH14/CH14-6.html#HEADING6-1"><B>14.5 </B>- Sample Program:
Additional Trigonometric Functions</A> 
</DL>
14.6 Laboratory Exercises <BR>
14.6.1 FPU vs StdLib Accuracy <BR>
14.7 Programming Projects <BR>
14.8 Summary <BR>
14.9 Questions <BR>
<BR>
<A NAME="HEADING1-711"></A><HR>
<DL>
<DT><A HREF="CH15/CH15-1.html"><B>Chapter 15 </B>- Strings and
Character Sets</A> 
<DT><A HREF="CH15/CH15-1.html#HEADING1-3"><B>15.0 </B>- Chapter Overview</A>
<DT><A HREF="CH15/CH15-1.html#HEADING1-10"><B>15.1 </B>- The 80x86 String
Instructions</A> 
<DT><A HREF="CH15/CH15-1.html#HEADING1-12"><B>15.1.1 </B>- How the String
Instructions Operate</A> 
<DT><A HREF="CH15/CH15-1.html#HEADING1-23"><B>15.1.2 </B>- The REP/REPE/REPZ
and REPNZ/REPNE Prefixes</A> 
<DT><A HREF="CH15/CH15-1.html#HEADING1-55"><B>15.1.3 </B>- The Direction
Flag</A> 
<DT><A HREF="CH15/CH15-2.html#HEADING2-1"><B>15.1.4 </B>- The MOVS Instruction</A>
<DT><A HREF="CH15/CH15-2.html#HEADING2-72"><B>15.1.5 </B>- The CMPS Instruction</A>
<DT><A HREF="CH15/CH15-2.html#HEADING2-134"><B>15.1.6 </B>- The SCAS Instruction</A>
<DT><A HREF="CH15/CH15-2.html#HEADING2-150"><B>15.1.7 </B>- The STOS Instruction</A>
<DT><A HREF="CH15/CH15-2.html#HEADING2-170"><B>15.1.8 </B>- The LODS Instruction</A>
<DT><A HREF="CH15/CH15-2.html#HEADING2-180"><B>15.1.9 </B>- Building Complex
String Functions from LODS and STOS</A> 
<DT><A HREF="CH15/CH15-2.html#HEADING2-213"><B>15.1.10 </B>- Prefixes and
the String Instructions</A> 
<DT><A HREF="CH15/CH15-3.html#HEADING3-1"><B>15.2 </B>- Character Strings</A>
<DT><A HREF="CH15/CH15-3.html#HEADING3-3"><B>15.2.1 </B>- Types of Strings</A>
<DT><A HREF="CH15/CH15-3.html#HEADING3-27"><B>15.2.2 </B>- String Assignment</A>
<DT><A HREF="CH15/CH15-3.html#HEADING3-145"><B>15.2.3 </B>- String Comparison</A>
<DT><A HREF="CH15/CH15-4.html#HEADING4-1"><B>15.3 </B>- Character String
Functions</A> 
<DT><A HREF="CH15/CH15-4.html#HEADING4-3"><B>15.3.1 </B>- Substr</A> 
<DT><A HREF="CH15/CH15-4.html#HEADING4-153"><B>15.3.2 </B>- Index</A> 
<DT><A HREF="CH15/CH15-4.html#HEADING4-264"><B>15.3.3 </B>- Repeat</A> 
<DT><A HREF="CH15/CH15-4.html#HEADING4-294"><B>15.3.4 </B>- Insert</A> 
<DT><A HREF="CH15/CH15-4.html#HEADING4-395"><B>15.3.5 </B>- Delete</A> 
<DT><A HREF="CH15/CH15-4.html#HEADING4-481"><B>15.3.6 </B>- Concatenation</A>
<DT><A HREF="CH15/CH15-5.html#HEADING5-1"><B>15.4 </B>- String Functions
in the UCR Standard Library</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-6"><B>15.4.1 </B>- StrBDel, StrBDelm</A>
<DT><A HREF="CH15/CH15-5.html#HEADING5-48"><B>15.4.2 </B>- Strcat, Strcatl,
Strcatm, Strcatml</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-124"><B>15.4.3 </B>- Strchr</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-153"><B>15.4.4 </B>- Strcmp, Strcmpl,
Stricmp, Stricmpl</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-213"><B>15.4.5 </B>- Strcpy, Strcpyl,
Strdup, Strdupl</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-251"><B>15.4.6 </B>- Strdel, Strdelm</A>
<DT><A HREF="CH15/CH15-5.html#HEADING5-278"><B>15.4.7 </B>- Strins, Strinsl,
Strinsm, Strinsml</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-323"><B>15.4.8 </B>- Strlen</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-337"><B>15.4.9 </B>- Strlwr, Strlwrm,
Strupr, Struprm</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-376"><B>15.4.10 </B>- Strrev, Strrevm</A>
<DT><A HREF="CH15/CH15-5.html#HEADING5-402"><B>15.4.11 </B>- Strset, Strsetm</A>
<DT><A HREF="CH15/CH15-5.html#HEADING5-426"><B>15.4.12 </B>- Strspan, Strspanl,
Strcspan, Strcspanl</A> 
<DT><A HREF="CH15/CH15-5.html#HEADING5-476"><B>15.4.13 </B>- Strstr, Strstrl</A>
<DT><A HREF="CH15/CH15-5.html#HEADING5-508"><B>15.4.14 </B>- Strtrim, Strtrimm</A>
<DT><A HREF="CH15/CH15-5.html#HEADING5-555"><B>15.4.15 </B>- Other String
Routines in the UCR Standard Library</A> 
<DT><A HREF="CH15/CH15-6.html#HEADING6-1"><B>15.5 </B>- The Character Set
Routines in the UCR Standard Library</A> 
<DT><A HREF="CH15/CH15-6.html#HEADING6-101"><B>15.6 </B>- Using the String
Instructions on Other Data Types</A> 
<DT><A HREF="CH15/CH15-6.html#HEADING6-103"><B>15.6.1 </B>- Multi-precision
Integer Strings</A> 
<DT><A HREF="CH15/CH15-6.html#HEADING6-113"><B>15.6.2 </B>- Dealing with
Whole Arrays and Records</A> 
<DT><A HREF="CH15/CH15-7.html#HEADING7-1"><B>15.7 </B>- Sample Programs</A>
<DT><A HREF="CH15/CH15-7.html#HEADING7-3"><B>15.7.1 </B>- Find.asm</A> 
<DT><A HREF="CH15/CH15-7.html#HEADING7-164"><B>15.7.2 </B>- StrDemo.asm</A>
<DT><A HREF="CH15/CH15-7.html#HEADING7-343"><B>15.7.3 </B>- Fcmp.asm</A>
</DL>
<BR>
<BR>
15.8 Laboratory Exercises <BR>
15.8.1 MOVS Performance Exercise #1 <BR>
15.8.2 MOVS Performance Exercise #2 <BR>
15.8.3 Memory Performance Exercise <BR>
15.8.4 The Performance of Length-Prefixed vs. Zero-Terminated Strings <BR>
15.9 Programming Projects <BR>
15.10 Summary <BR>
15.11 Questions <BR>
<BR>
<A NAME="HEADING1-768"></A><HR>
<DL>
<DT><A HREF="CH16/CH16-1.html"><B>Chapter 16 </B>- Pattern Matching</A>
<DT><A HREF="CH16/CH16-1.html#HEADING1-2"><B>16.1 </B>- An Introduction
to Formal Language (Automata) Theory</A> 
<DT><A HREF="CH16/CH16-1.html#HEADING1-4"><B>16.1.1 </B>- Machines vs. Languages</A>
<DT><A HREF="CH16/CH16-1.html#HEADING1-27"><B>16.1.2 </B>- Regular Languages</A>
<DT><A HREF="CH16/CH16-1.html#HEADING1-29"><B>16.1.2.1 </B>- Regular Expressions</A>
<DT><A HREF="CH16/CH16-2.html#HEADING2-1"><B>16.1.2.2 </B>- Nondeterministic
Finite State Automata (NFAs)</A> 
<DT><A HREF="CH16/CH16-2.html#HEADING2-12"><B>16.1.2.3 </B>- Converting
Regular Expressions to NFAs</A> 
<DT><A HREF="CH16/CH16-2.html#HEADING2-26"><B>16.1.2.4 </B>- Converting
an NFA to Assembly Language</A> 
<DT><A HREF="CH16/CH16-3.html#HEADING3-1"><B>16.1.2.5 </B>- Deterministic
Finite State Automata (DFAs)</A> 
<DT><A HREF="CH16/CH16-3.html#HEADING3-48"><B>16.1.2.6 </B>- Converting
a DFA to Assembly Language</A> 
<DT><A HREF="CH16/CH16-4.html#HEADING4-1"><B>16.1.3 </B>- Context Free Languages</A>
<DT><A HREF="CH16/CH16-4.html#HEADING4-78"><B>16.1.4 </B>- Eliminating Left
Recursion and Left Factoring CFGs</A> 
<DT><A HREF="CH16/CH16-4.html#HEADING4-137"><B>16.1.5 </B>- Converting REs
to CFGs</A> 
<DT><A HREF="CH16/CH16-4.html#HEADING4-152"><B>16.1.6 </B>- Converting CFGs
to Assembly Language</A> 
<DT><A HREF="CH16/CH16-4.html#HEADING4-548"><B>16.1.7 </B>- Some Final Comments
on CFGs</A> 
<DT><A HREF="CH16/CH16-4.html#HEADING4-552"><B>16.1.8 </B>- Beyond Context
Free Languages</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-1"><B>16.2 </B>- The UCR Standard
Library Pattern Matching Routines</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-29"><B>16.3 </B>- The Standard Library
Pattern Matching Functions</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-32"><B>16.3.1 </B>- Spancset</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-44"><B>16.3.2 </B>- Brkcset</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-59"><B>16.3.3 </B>- Anycset</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-75"><B>16.3.4 </B>- Notanycset</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-90"><B>16.3.5 </B>- MatchStr</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-105"><B>16.3.6 </B>- MatchiStr</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-120"><B>16.3.7 </B>- MatchToStr</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-135"><B>16.3.8 </B>- MatchChar</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-150"><B>16.3.9 </B>- MatchToChar</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-164"><B>16.3.10 </B>- MatchChars</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-179"><B>16.3.11 </B>- MatchToPat</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-197"><B>16.3.12 </B>- EOS</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-213"><B>16.3.13 </B>- ARB</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-230"><B>16.3.14 </B>- ARBNUM</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-249"><B>16.3.15 </B>- Skip</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-267"><B>16.3.16 </B>- Pos</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-283"><B>16.3.17 </B>- RPos</A> 
<DT><A HREF="CH16/CH16-5.html#HEADING5-299"><B>16.3.18 </B>- GotoPos</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-316"><B>16.3.19 </B>- RGotoPos</A>
<DT><A HREF="CH16/CH16-5.html#HEADING5-332"><B>16.3.20 </B>- SL_Match2</A>
<DT><A HREF="CH16/CH16-6.html#HEADING6-1"><B>16.4 </B>- Designing Your Own
Pattern Matching Routines</A> 
<DT><A HREF="CH16/CH16-6.html#HEADING6-160"><B>16.5 </B>- Extracting Substrings
from Matched Patterns</A> 
<DT><A HREF="CH16/CH16-7.html#HEADING7-1"><B>16.6 </B>- Semantic Rules and
Actions</A> 
<DT><A HREF="CH16/CH16-7.html#HEADING7-239"><B>16.7 </B>- Constructing Patterns
for the MATCH Routine</A> 
<DT><A HREF="CH16/CH16-8.html#HEADING8-1"><B>16.8 </B>- Some Sample Pattern
Matching Applications</A> 
<DT><A HREF="CH16/CH16-8.html#HEADING8-3"><B>16.8.1 </B>- Converting Written
Numbers to Integers</A> 
<DT><A HREF="CH16/CH16-9.html#HEADING9-1"><B>16.8.2 </B>- Processing Dates</A>
<DT><A HREF="CH16/CH16-10.html#HEADING10-1"><B>16.8.3 </B>- Evaluating Arithmetic
Expressions</A> 
<DT><A HREF="CH16/CH16-11.html#HEADING11-1"><B>16.8.4 </B>- A Tiny Assembler
</A>
<DT><A HREF="CH16/CH16-12.html#HEADING12-1"><B>16.8.5 </B>- The &quot;MADVENTURE