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The Rolling Stone ————————————————– ——————– Microsoft Windows 95 README for MS-DOS Device Drivers August 1995 ————————————————– ——————– (c) Copyright Microsoft Corporation, 1995 This document provides complementary or late-breaking information to supplement the Microsoft Windows 95 documentation. ———————— How to Use This Document ———————— To view Msdosdrv.txt on screen in Notepad, maximize the Notepad window. To print Msdosdrv.txt, open it in Notepad or another word processor, then use the Print command on the File menu. In syntax lines, except where noted, lowercase text signifies replaceable parameters and uppercase text must be typed as it appears. NOTE: The Config.txt file contains more Help for MS-DOS commands. Also you can type the name of the command at the command prompt, followed by a slash and question mark (/?). For example: CHKDSK /? ——– CONTENTS ANSI.SYS DBLBUFF.SYS DISPLAY.SYS DRVSPACE.SYS, DBLSPACE.SYS EGA.SYS EMM386.EXE HIMEM.SYS RAMDRIVE.SYS SETVER.EXE ——– ANSI.SYS ========= Note: In this section, uppercase letters in syntax and ANSI escape sequences indicate text you must type exactly as it appears.

Defines functions that change display graphics, control cursor movement, and reassign keys. The ANSI.SYS device driver supports ANSI terminal emulation of escape sequences to control your system’s screen and keyboard. An ANSI escape sequence is a sequence of ASCII characters, the first two of which are the escape character (1Bh) and the left-bracket character (5Bh). The character or characters following the escape and left-bracket characters specify an alphanumeric code that controls a keyboard or display function. ANSI escape sequences distinguish between uppercase and lowercase letters; for example,A and a have completely different meanings. This device driver must be loaded by a DEVICE or DEVICEHIGH command in your CONFIG.SYS file.

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Syntax DEVICE=[drive:][path]ANSI.SYS [/X] [/K] [/R] Parameter [drive:][path] Specifies the location of the ANSI.SYS file. Switches /X Remaps extended keys independently on 101-key keyboards. /K Causes ANSI.SYS to treat a 101-key keyboard like an 84-key keyboard. This is equivalent to the command SWITCHES=/K. If you usually use the SWITCHES=/K command, you will need to use the /K switch with ANSI.SYS.

/R Adjusts line scrolling to improve readability when ANSI.SYS is used with screen-reading programs (which make computers more accessible to people with disabilities). Parameters used in ANSI escape sequences: Pn Numeric parameter. Specifies a decimal number. Ps Selective parameter. Specifies a decimal number that you use to select a function. You can specify more than one function by separating the parameters with semicolons (;).

PL Line parameter. Specifies a decimal number that represents one of the lines on your display or on another device. Pc Column parameter. Specifies a decimal number that represents one of the columns on your screen or on another device. ANSI escape sequences for cursor movement, graphics, and keyboard settings: In the following list of ANSI escape sequences, the abbreviation ESC represents the ASCII escape character 27 (1Bh), which appears at the beginning of each escape sequence. ESC[PL;PcH Cursor Position: Moves the cursor to the specified position (coordinates).

If you do not specify a position, the cursor moves to the home position–the upper-left corner of the screen (line 0, column 0). This escape sequence works the same way as the following Cursor Position escape sequence. ESC[PL;Pcf Cursor Position: Works the same way as the preceding Cursor Position escape sequence. ESC[PnA Cursor Up: Moves the cursor up by the specified number of lines without changing columns. If the cursor is already on the top line, ANSI.SYS ignores this sequence.

ESC[PnB Cursor Down: Moves the cursor down by the specified number of lines without changing columns. If the cursor is already on the bottom line, ANSI.SYS ignores this sequence. ESC[PnC Cursor Forward: Moves the cursor forward by the specified number of columns without changing lines. If the cursor is already in the rightmost column, ANSI.SYS ignores this sequence. ESC[PnD Cursor Backward: Moves the cursor back by the specified number of columns without changing lines.

If the cursor is already in the leftmost column, ANSI.SYS ignores this sequence. ESC[s Save Cursor Position: Saves the current cursor position. You can move the cursor to the saved cursor position by using the Restore Cursor Position sequence. ESC[u Restore Cursor Position: Returns the cursor to the position stored by the Save Cursor Position sequence. ESC[2J Erase Display: Clears the screen and moves the cursor to the home position (line 0, column 0).

ESC[K Erase Line: Clears all characters from the cursor position to the end of the line (including the character at the cursor position). ESC[Ps;..;Psm Set Graphics Mode: Calls the graphics functions specified by the following values. These specified functions remain active until the next occurrence of this escape sequence. Graphics mode changes the colors and attributes of text (such as bold and underline) displayed on the screen. Text attributes 0 All attributes off 1 Bold on 4 Underscore (on monochrome display adapter only) 5 Blink on 7 Reverse video on 8 Concealed on Foreground colors 30 Black 31 Red 32 Green 33 Yellow 34 Blue 35 Magenta 36 Cyan 37 White Background colors 40 Black 41 Red 42 Green 43 Yellow 44 Blue 45 Magenta 46 Cyan 47 White Parameters 30 through 47 meet the ISO 6429 standard. ESC[=psh Set Mode: Changes the screen width or type to the mode specified by one of the following values: 0 40 x 148 x 25 monochrome (text) 1 40 x 148 x 25 color (text) 2 80 x 148 x 25 monochrome (text) 3 80 x 148 x 25 color (text) 4 320 x 148 x 200 4-color (graphics) 5 320 x 148 x 200 monochrome (graphics) 6 640 x 148 x 200 monochrome (graphics) 7 Enables line wrapping 13 320 x 148 x 200 color (graphics) 14 640 x 148 x 200 color (16-color graphics) 15 640 x 148 x 350 monochrome (2-color graphics) 16 640 x 148 x 350 color (16-color graphics) 17 640 x 148 x 480 monochrome (2-color graphics) 18 640 x 148 x 480 color (16-color graphics) 19 320 x 148 x 200 color (256-color graphics) ESC[=Psl Reset Mode: Resets the mode by using the same values that Set Mode uses, except for 7, which disables line wrapping. The last character in this escape sequence is a lowercase L. ESC[code;string;..p Set Keyboard Strings: Redefines a keyboard key to a specified string.

The parameters for this escape sequence are defined as follows: o Code is one or more of the values listed in the following table. These values represent keyboard keys and key combinations. When using these values in a command, you must type the semicolons (;) shown in this table in addition to the semicolons required by the escape sequence. The codes in parentheses are not available on some keyboards. ANSI.SYS will not interpret the codes in parentheses for those keyboards unless you specify the /X switch in the DEVICE command for ANSI.SYS.

o String is either the ASCII code for a single character or a string contained in quotation marks (). For example, both 65 and A can be used to represent an uppercase A. IMPORTANT: Some of the values in the following table are not valid for all computers. Check your computer’s documentation for values that are different. Key Code SHIFT+code CTRL+code ALT+code ————————————————– ————————- F1 0;59 0;84 0;94 0;104 F2 0;60 0;85 0;95 0;105 F3 0;61 0;86 0;96 0;106 F4 0;62 0;87 0;97 0;107 F5 0;63 0;88 0;98 0;108 F6 0;64 0;89 0;99 0;109 F7 0;65 0;90 0;100 0;110 F8 0;66 0;91 0;101 0;111 F9 0;67 0;92 0;102 0;112 F10 0;68 0;93 0;103 0;113 F11 0;133 0;135 0;137 0;139 F12 0;134 0;136 0;138 0;140 HOME (num keypad) 0;71 55 0;119 — UP ARROW (num keypad) 0;72 56 (0;141) — PAGE UP (num keypad) 0;73 57 0;132 — LEFT ARROW (num keypad) 0;75 52 0;115 — RIGHT ARROW (num 0;77 54 0;116 — keypad) END (num keypad) 0;79 49 0;117 — DOWN ARROW (num keypad) 0;80 50 (0;145) — PAGE DOWN (num keypad) 0;81 51 0;118 — INSERT (num keypad) 0;82 48 (0;146) — DELETE (num keypad) 0;83 46 (0;147) — HOME (224;71) (224;71) (224;119) (224;151) UP ARROW (224;72) (224;72) (224;141) (224;152) PAGE UP (224;73) (224;73) (224;132) (224;153) LEFT ARROW (224;75) (224;75) (224;115) (224;155) RIGHT ARROW (224;77) (224;77) (224;116) (224;157) END (224;79) (224;79) (224;117) (224;159) DOWN ARROW (224;80) (224;80) (224;145) (224;154) PAGE DOWN (224;81) (224;81) (224;118) (224;161) INSERT (224;82) (224;82) (224;146) (224;162) DELETE (224;83) (224;83) (224;147) (224;163) PRINT SCREEN — — 0;114 — PAUSE/BREAK — — 0;0 — BACKSPACE 8 8 127 (0) ENTER 13 — 10 (0 TAB 9 0;15 (0;148) (0;165) NULL 0;3 — — — A 97 65 1 0;30 B 98 66 2 0;48 C 99 66 3 0;46 D 100 68 4 0;32 E 101 69 5 0;18 F 102 70 6 0;33 G 103 71 7 0;34 H 104 72 8 0;35 I 105 73 9 0;23 J 106 74 10 0;36 K 107 75 11 0;37 L 108 76 12 0;38 M 109 77 13 0;50 N 110 78 14 0;49 O 111 79 15 0;24 P 112 80 16 0;25 Q 113 81 17 0;16 R 114 82 18 0;19 S 115 83 19 0;31 T 116 84 20 0;20 U 117 85 21 0;22 V 118 86 22 0;47 W 119 87 23 0;17 X 120 88 24 0;45 Y 121 89 25 0;21 Z 122 90 26 0;44 1 49 33 — 0;120 2 50 64 0 0;121 3 51 35 — 0;122 4 52 36 — 0;123 5 53 37 — 0;124 6 54 94 30 0;125 7 55 38 — 0;126 8 56 42 — 0;126 9 57 40 — 0;127 0 48 41 — 0;129 – 45 95 31 0;130 = 61 43 — 0;131 [ 91 123 27 0;26 ] 93 125 29 0;27 92 124 28 0;43 ; 59 58 — 0;39 ‘ 39 34 — 0;40 , 44 60 — 0;51 . 46 62 — 0;52 / 47 63 — 0;53 ` 96 126 — (0;41) ENTER (keypad) 13 — 10 (0;166) / (keypad) 47 47 (0;142) (0;74) * (keypad) 42 (0;144) (0;78) — – (keypad) 45 45 (0;149) (0;164) + (keypad) 43 43 (0;150) (0;55) 5 (keypad) (0;76) 53 (0;143) — DBLBUFF.SYS — Double Buffering =============================== Loads the Dblbuff.sys device driver to perform double buffering.

Double buffering provides compatibility for certain hard-disk controllers that cannot work with memory provided by EMM386 or Windows running in 386 Enhanced mode. If Windows Setup determined that your system may need double-buffering, it will add a DoubleBuffer=1 entry to the [Options] section of Msdos.sys, which will automatically load Dblbuff.sys. To manually enable double- buffering, you can either add the above entry to Msdos.sys, or add a DEVICE command in your CONFIG.SYS file. Syntax DEVICE=[drive:][path]DBLBUFF.SYS [/D+] Parameters [drive:][path] Specifies the location of the Dblbuff.sys file. /D+ Instructs Dblbuff.sys to double-buffer all disk I/O all the time.

By default, it will only double-buffer I/O to UMBs, and it will automatically stop double-buffering if it appears to be unnecessary. DISPLAY.SYS =========== Enables you to display international character sets on EGA, VGA, and LCD monitors. This device driver must be loaded by a DEVICE or DEVICEHIGH command in your CONFIG.SYS file. Syntax DEVICE=[drive:][path]DISPLAY.SYS CON[:]=(type[,[hwcp][,n]]) DEVICE=[drive:][path]DISPLAY.SYS CON[:]=(type[,[hwcp][,(n,m)]]) Parameters [drive:][path] Specifies the location of the DISPLAY.SYS file. type Specifies the display adapter in use.

Valid values include EGA and LCD. The EGA value supports both EGA and VGA display adapters. If you omit the type parameter, DISPLAY.SYS checks the hardware to determine which display adapter is in use. You can also specify CGA and MONO as values for type, but they have no effect because character-set switching is not enabled for these devices. hwcp Specifies the number of the character set that your hardware supports. The following list shows the character sets that MS-DOS supports and the country or language for each: 437 United States 850 Multilingual (Latin I) 852 Slavic (Latin II) 860 Portuguese 863 Canadian-French 865 Nordic Additional character sets are supported by the EGA2.CPI and EGA3.CPI files.

n Specifies the number of character sets the hardware can support i …

x

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