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DOS Programming Guide To request the Watcom Debugger to assist in debugging the application, the following command may be issued. C>wd/trap=rsi hello It would be too ambitious to describe the debugger in this introductory chapter so we refer you to the book entitled Watcom Debugger User’s Guide. 18 Debugging the Sample DOS/4GW Application
5 32-bit Extended DOS Application Development 5.1 Introduction The purpose of this chapter is to anticipate common programming questions for 32-bit extended DOS application development. Note that these programming solutions may be DOS-extender specific and therefore may not work for other DOS extenders. The following topics are discussed in this chapter: • How can I write directly to video memory using a DOS extender? • How do I get information about free memory in the 32-bit environment? • How do I access the first megabyte in the extended DOS environment? • How do I spawn a protected-mode application? • How can I use the mouse interrupt (0x33) with DOS/4GW? • How do I simulate a real-mode interrupt with DOS/4GW? • How do you install a bi-modal interrupt handler with DOS/4GW? Please refer to the DOS Protected-Mode Interface (DPMI) Specification for information on DPMI services. In the past, the DPMI specification could be obtained free of charge by contacting Intel Literature JP26 at 800-548-4725 or by writing to the address below. We have been advised that the DPMI specification is no longer available in printed form. Intel Literature JP26 3065 Bowers Avenue P.O. Box 58065 Santa Clara, California U.S.A. 95051-8065 However, the DPMI 1.0 specification can be obtained from the Intel ftp site. Here is the URL. Introduction 19
Page 1 and 2: Watcom C/C++ Programmer’s Guide E
Page 3 and 4: Preface The Watcom C/C++ Programmer
Page 5 and 6: Table of Contents 1 Watcom C/C++ Ap
Page 7 and 8: Table of Contents 11.2.6 Memory Man
Page 9 and 10: Table of Contents 21.4 Writing a 16
Page 11 and 12: Table of Contents 32.2 Creating a S
Page 13 and 14: Table of Contents 44.2.2 Conversion
Page 15 and 16: 1 Watcom C/C++ Application Developm
Page 17 and 18: Watcom C/C++ Application Developmen
Page 19 and 20: DOS Programming Guide
Page 21 and 22: 2 Creating 16-bit DOS Applications
Page 23 and 24: Creating 16-bit DOS Applications co
Page 25 and 26: 3 Creating 32-bit Phar Lap 386|DOS-
Page 27 and 28: Creating 32-bit Phar Lap 386|DOS-Ex
Page 29 and 30: 4 Creating 32-bit DOS/4GW Applicati
Page 31: Creating 32-bit DOS/4GW Application
Page 35 and 36: 32-bit Extended DOS Application Dev
Page 57 and 58: The DOS/4GW DOS Extender
Page 59 and 60: 6 The Tenberry Software DOS/4GW DOS
Page 61 and 62: 7 Linear Executables To build a lin
Page 63 and 64: Linear Executables 7.2 Memory Use T
Page 65 and 66: 8 Configuring DOS/4GW This chapter
Page 67 and 68: Configuring DOS/4GW Alternate Statu
Page 69 and 70: Configuring DOS/4GW DOS/4GW ignores
Page 71 and 72: Configuring DOS/4GW 0x02 0x04 0x10
Page 73 and 74: 9 VMM The Virtual Memory Manager (V
Page 75 and 76: 10 Interrupt 21H Functions When you
Page 77 and 78: Interrupt 21H Functions 2DH Set Tim
Page 79 and 80: Interrupt 21H Functions 3. You can
Page 81 and 82: 11 Interrupt 31H DPMI Functions Whe
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Interrupt 31H DPMI Functions 11.2.1
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Interrupt 31H DPMI Functions AX = 0
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Interrupt 31H DPMI Functions The ex
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Interrupt 31H DPMI Functions and sh
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Interrupt 31H DPMI Functions Becaus
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Interrupt 31H DPMI Functions Functi
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Interrupt 31H DPMI Functions The tr
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Interrupt 31H DPMI Functions AX = 0
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Interrupt 31H DPMI Functions return
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Interrupt 31H DPMI Functions ; ES:D
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Interrupt 31H DPMI Functions Offset
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Interrupt 31H DPMI Functions Functi
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Interrupt 31H DPMI Functions The co
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Interrupt 31H DPMI Functions ; ; Di
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Interrupt 31H DPMI Functions 11.2.1
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12 Utilities This chapter describes
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Utilities 12.2 PMINFO Purpose: Meas
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Utilities 12.3 PRIVATXM Purpose: Cr
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Utilities (NEC 9801) (PS/2-compatib
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13 Error Messages The following lis
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Error Messages 16. cannot run under
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Error Messages 40. not enough avail
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Error Messages 1202 "can’t alloca
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Error Messages 2300 " can’t find
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Error Messages 3301 "unhandled EMPT
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14 DOS/4GW Commonly Asked Questions
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DOS/4GW Commonly Asked Questions 1d
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DOS/4GW Commonly Asked Questions
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DOS/4GW Commonly Asked Questions 3b
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DOS/4GW Commonly Asked Questions se
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DOS/4GW Commonly Asked Questions 7h
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DOS/4GW Commonly Asked Questions 00
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DOS/4GW Commonly Asked Questions 5.
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DOS/4GW Commonly Asked Questions
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Windows 3.x Programming Guide
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15 Creating 16-bit Windows 3.x Appl
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Creating 16-bit Windows 3.x Applica
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16 Porting Non-GUI Applications to
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Porting Non-GUI Applications to 16-
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Page 167 and 168:
17 Creating 32-bit Windows 3.x Appl
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19 The Watcom 32-bit Windows 3.x Ex
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The Watcom 32-bit Windows 3.x Exten
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The Watcom 32-bit Windows 3.x Exten
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20 Windows 3.x 32-bit Programming O
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Windows 3.x 32-bit Programming Over
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21 Windows 32-Bit Dynamic Link Libr
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Windows 32-Bit Dynamic Link Librari
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Page 215 and 216:
22 Interfacing Visual Basic and Wat
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Interfacing Visual Basic and Watcom
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23 WIN386 Library Functions and Mac
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AllocHugeAlias16 Synopsis: #include
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_Call16 Classification: WIN386 #inc
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DefineUserProc16 Synopsis: #include
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FreeAlias16 Synopsis: #include voi
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FreeIndirectFunctionHandle Synopsis
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GetIndirectFunctionHandle Synopsis:
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GetIndirectFunctionHandle Classific
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GetProc16 GETPROC_ENUMPROPS_FIXED_D
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GetProc16 Classification: WIN386 lp
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InvokeIndirectFunction Classificati
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MK_FP16 Synopsis: #include DWORD M
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MK_LOCAL32 Synopsis: #include void
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ReleaseProc16 Synopsis: #include v
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24 32-bit Extended Windows Applicat
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32-bit Extended Windows Application
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32-bit Extended Windows Application
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25 Special Variables for Windows Pr
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26 Definitions of Windows Terms CAL
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27 Special Windows API Functions On
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Special Windows API Functions _16Ge
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Special Windows API Functions _16Se
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Windows NT Programming Guide
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28 Windows NT Programming Overview
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Windows NT Programming Overview Onc
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29 Creating Windows NT GUI Applicat
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Creating Windows NT GUI Application
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Porting Non-GUI Applications to Win
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Porting Non-GUI Applications to Win
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31 Windows NT Multi-threaded Applic
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Windows NT Multi-threaded Applicati
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Windows NT Multi-threaded Applicati
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32 Windows NT Dynamic Link Librarie
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Windows NT Dynamic Link Libraries c
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Windows NT Dynamic Link Libraries u
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Windows NT Dynamic Link Libraries U
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Windows NT Dynamic Link Libraries T
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33 Creating Windows NT POSIX Applic
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Creating Windows NT POSIX Applicati
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OS/2 Programming Guide
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34 Creating 16-bit OS/2 1.x Applica
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Creating 16-bit OS/2 1.x Applicatio
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35 Creating 32-bit OS/2 Application
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Creating 32-bit OS/2 Applications I
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36 OS/2 2.x Multi-threaded Applicat
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OS/2 2.x Multi-threaded Application
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OS/2 2.x Multi-threaded Application
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37 OS/2 2.x Dynamic Link Libraries
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OS/2 2.x Dynamic Link Libraries Sta
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OS/2 2.x Dynamic Link Libraries ref
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OS/2 2.x Dynamic Link Libraries To
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38 Programming for OS/2 Presentatio
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Programming for OS/2 Presentation M
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Programming for OS/2 Presentation M
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39 Developing an OS/2 Physical Devi
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Developing an OS/2 Physical Device
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Developing an OS/2 Physical Device
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40 Using the IBM OS/2 WorkFrame/2 W
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AutoCAD ADS Programming Guide
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41 Creating AutoCAD Applications Wa
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Creating AutoCAD Applications Examp
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Novell NLM Programming Guide
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42 Creating NetWare 386 NLM Applica
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Mixed Language Programming
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43 Inter-Language calls: C and FORT
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Inter-Language calls: C and FORTRAN
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Page 365 and 366:
Common Problems
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44 Commonly Asked Questions and Ans
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Commonly Asked Questions and Answer
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Index 1 8 16-bit 167 8042 auxiliary
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Index debugging DOS/4GW application
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Index get real-mode interrupt vecto
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Index int 168 INT 21H 61 H INT 31H
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Index NLM support version 4.0 335 v
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Index PS/2 52 TOOLHELP.H 174 switch
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Index __WINDOWS__ 207 WINDOWS_INCLU
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