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When the IBM-PC BASIC interpreter sends hex code OD (carriage return) it adds an extra hex OA (line feed). Hex code 1A (end-of-file) also gets special treatment: the interpreter does not send it at ah. This can cause problems that generate graphics or download character data, but there is a solution. Try changing line 20 in the preceding program and adding the coding shown below.

Coding for IBM-PC with monochrome display:

20 GOSUB 100

100 O=INP(&H379) :IF 0<128 THEN 100

110 OUT &H378,1 : OUT &H37A, 5 :OUT &H37A,4

120 RETURN

Coding for IBM-PC with color adapter:

20 GOSUB 100

100 O=INP(&H3BD) :IF 0<128 THEN 100

110 OUT &H3BC,I :OUT &H3BE,5 :OUT &H3BE,4

120 RETURN

L

b

c

27

Image 35

Star Micronics NX-2415 user manual Return

Contents

Not Intended for Sale Business Machines Corp HOW to USE this Manual Page Features of the Printer Table of Contents DIP Switch Settings Specifications Locating the Printer Chapter Check the carton contents Printer’s external parts Parts name of the printer Mount the platen knob Install the ribbon cartridgePage Page Ins tall the optional IC card Connection Figure I-9.Replacing the interface board Automatic loading Loading Single Sheets Adjustable paper guide Manual loading Loading and Parking Fanfold Forms Loading the fanfold forms Figure l-73. Thread the fanfold paper over the sprockets Figure l-74.Mounting the paper guide for fanfold forms Loading the paper with pull tractor unitPage Paper unparking Paper parking Adjusting the Printing GAP Control Panel Operations On Line button Pitch button Paper Feed buttonSET/EJECT Park button Italic Style button POWER-UP Functions Short test mode Stay in panel pitch Long test modePrint area test mode Hexadecimal dump Stay in panel styleStay in panel pitch and style Lprint CHR$I Next Return Form feed Switch Combination Functions Reverse micro-feed Top of formForward micro-feed Clearing the buffer Chapter Location of the DIP Switches Auto CR Functions of the DIP SwitchesPage Page Page Memo Printer Control Commands Select LQ font style Font Control CommandsSelect draft quality characters Select LQ characters Se/ect Orator characters Select Courier charactersSelect Optional characters Select Prestige characters Select ornament chatacter Select Script charactersSelect italic characters Select upright characters Start underlining Cancel emphasized printingCancel double-strike printing Double-strike printing Subscript Stop underliningStop 0 verlining Superscript Select character set #I Cancel superscriptSelect standard character set Select IBM character set Select international Character set Enable printing of all character codesSelect character set #2 Pica pitch Enable printing of all character codes on next characterSelect slash zero Select normal zero Seim-condensed pitch Elite pitchHigh-speed elite pitch High-density elite pitch Expanded printing Cancel condensed printingCancel expanded printing Condensed printing Select proportional spacing Cancel one-line expanded printingExpanded printing for one line Select character width Increase character spacing Select master print modeSelect fixed spacing Print double-height characters Select double or quadruple sizeSelect character size Select character height, width, and line spacing Return to normal height Select character type and print pitch Set line spacing to n/360 inch Vertical Position CommandsSet line spacing to l/6 inch Set line spacing to 760 or 7l72 inch Define line spacing to n/72 inch Set base unit for line spacingSet line spacing to n/180 or n/216 inch Set line spacing to n/60 or n/72 inch Line feed Execute ES Mode AsciiSIect forward feed mode Select reverse feed mode Set top of page at current position Perform one n/l 80-inch or n/216-inchline feedPerform one n/216=inch reverse line feed Feed paper n lines Set bottom margin Set page length to n linesSet page length to n inches Set top margin Return to top of current Cancel top and bottom marginsDisable paper-out detector Enable paper-out detector Select vertical tab channel Set vertical tab stopsSet vertical tab stops every n lines Set vertical tab stops in channel Set left margin Vertical tab Carriage return Set right marginSet left and right margins Left justify Cancel automatic line feedSet automatic Line feed Backspace Set horizontal tab stop everyn columns Right justifyFull justify Set horizontal tab stops Relative horizontal tab in inches Reset all tab stopsHorizontal tab Relative horizontal Tab Print g-bit double-density graphics Absolute horizontal tab in inchesAbsolute horizontal tab in columns Print 24-bit hex-density graphics Print g-bit double-density, double-speed graphicsPrint g-bit quadruple-density graphics Select graphics mode Convert graphics density MO+mI+m2 Define download characters Select ROM character set Copy character set from ROM into RAM cardSelect download character set Delete last character sent Cancel last lineSet MSB to Accept MSB as is Lmmedia te print Cancel quiet printRepeat data Quiet print Stop printing Cancel immediate printSet printer off-line Set printer on-line One-line unidirectional prin thg BellBidirectional printing Unidirectional printing Set print start position on ASF Reset printerAuto feed Eject paper from ASF Memo Download Characters Ascii Code Left space Character width Right space Sample program Assigning a value of character space Lprint Cars & Telephones Memo Chapter Installing Application Software with Your Printer CPI Embedding Printer Commands COW Aprint README.DOC Programming the Printer with DOS Commands ESC Acopy LQELITE.DAT PRN Aprint README.DOC Programming With Basic Width Gosub 2620 Data 3620 How the program works Quad-size d Lprint CHR$2SECHR$O Modifications for IBM mode Troubleshooting Maintenance Power supply If the print is faint, or uneven, check the following Paper feeding Is there too much paper in the paper feed hopper or stacker? 102 Replacing the Ribbon Maintenance Replacing the Print Head 105 Replacing the Battery in the RAM Card Specifications Cut sheet Fanfold continuous Font card RAM card 109 Strobe Character Sets Standard Character SET 113 IBM Character SET #2 115 IBM Character SET #I IBM Special CH Aracter SET IATINABEPlCA #$aiRi International Character Sets Index Lol Page Command Summary 123 IBM ESC a 125