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https://github.com/QB64-Phoenix-Edition/QB64pe.git
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6e01fc8dce
Added new _STRCMP and _STRICMP commands for quick string comparisons. Cleaned up QB64 to finish removing the QUI (quick user insert) code and folders. Altered UCASE and LCASE routines to be faster in some situations for us.
167 lines
7.3 KiB
Plaintext
167 lines
7.3 KiB
Plaintext
The '''_PRINTIMAGE''' statement prints a colored image on the printer (stretching it to full paper size first).
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{{PageSyntax}}
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::: _PRINTIMAGE imagehandle&
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* The imagehandle& is created by the [[_LOADIMAGE]], [[_NEWIMAGE]] or [[_COPYIMAGE]] functions.
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* Use a WHITE background to save ink! [[CLS]] , 15 can be used to set the white background in any [[SCREEN]] mode.
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* The image may be stretched disproportionately using normal screen sizes! To compensate, use a [[_NEWIMAGE]] screen that is proportional to the paper size. EX: A 640 X 900 SCREEN page is roughly the same as 3 times a 210mm X 297mm paper size.
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* [[_NEWIMAGE]] or graphic screen pages can use [[_PRINTSTRING]] to print different sized text [[_FONT]]s.
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* [[Keywords_currently_not_supported_by_QB64#Keywords_Not_Supported_in_Linux_or_MAC_OSX_versions|Keyword Not Supported in Linux or MAC versions]]
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''Example 1:'' Shows how to transfer custom font text on screen pages to the printer in Windows. Change the font path for other OS's.
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{{CodeStart}}PageScale = 10
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PageHeight = 297 * PageScale 'A4 paper size is 210 X 297 mm
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PageWidth = 210 * PageScale
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Page& = {{Cl|_NEWIMAGE}}(PageWidth, PageHeight, 32)
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{{Cl|_DEST}} Page&: {{Cl|CLS}} , {{Cl|_RGB}}(255, 255, 255): {{Cl|_DEST}} 0 'make background white to save ink!
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CursorPosY = 0
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'example text to print
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PointSize = 12
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text$ = "The rain in Spain falls mainly on the plain."
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{{Cl|GOSUB}} PrintText
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PointSize = 50
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text$ = "BUT!"
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{{Cl|GOSUB}} PrintText
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PointSize = 12
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text$ = "In Hartford, Hereford, and Hampshire, hurricanes hardly happen."
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{{Cl|GOSUB}} PrintText
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{{Cl|INPUT}} "Preview (Y/N)?", i$ 'print preview of screen (optional)
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{{Cl|IF...THEN|IF}} {{Cl|UCASE$}}(i$) = "Y" {{Cl|THEN}}
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Prev& = {{Cl|_NEWIMAGE}}(600, 900, 32) 'print preview smaller image
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_PUTIMAGE Page&, Prev&
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{{Cl|SCREEN (statement)|SCREEN}} Prev&
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DO: {{Cl|LOOP}} {{Cl|UNTIL}} {{Cl|INKEY$}} <> ""
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{{Cl|SCREEN (statement)|SCREEN}} 0
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{{Cl|END IF}}
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{{Cl|INPUT}} "Print on printer (Y/N)?", i$ 'print screen page on printer
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{{Cl|IF...THEN|IF}} {{Cl|UCASE$}}(i$) = "Y" {{Cl|THEN}}
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{{Cl|_PRINTIMAGE}} Page&
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{{Cl|END IF}}
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{{Cl|END}}
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PrintText:
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FontHeight = {{Cl|INT}}(PointSize * 0.3527 * PageScale)
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FontHandle = {{Cl|_LOADFONT}}("c:\windows\fonts\times.ttf", FontHeight)
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{{Cl|_DEST}} Page&
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{{Cl|_FONT}} FontHandle
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{{Cl|COLOR}} {{Cl|_RGB}}(255, 0, 0), {{Cl|_RGBA}}(0, 0, 0, 0) 'RED text on clear black background
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{{Cl|_PRINTSTRING}} (0, CursorPosY), text$
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{{Cl|_FONT}} 16 'change to the QB64 default font to free it
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{{Cl|_FREEFONT}} FontHandle
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{{Cl|_DEST}} 0
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CursorPosY = CursorPosY + FontHeight 'adjust print position down
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{{Cl|RETURN}} '' ''
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{{CodeEnd}}
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{{small|Code by Galleon}}
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:''Explanation:'' CLS with the color white makes sure that the background is NOT printed a color! The PrintText [[GOSUB]] sets the [[COLOR]] of the text to red with a transparent background using [[_RGBA]] to set the [[_ALPHA]] transparency to zero or clear black.
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''Example 2:'' Printing an old SCREEN 12 [[ASCII]] table using a deeper sized page to prevent stretching by [[_PRINTIMAGE]].
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{{CodeStart}} '' ''
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{{Cl|_TITLE}} "Print Preview ASCII Table"
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{{Cl|SCREEN}} {{Cl|_NEWIMAGE}}(640, 900, 256) 'size is proportional to 210mm X 297mm(8-1/2 X 11) paper
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{{Cl|OUT}} {{Cl|&H}}3C8, 0: {{Cl|OUT}} {{Cl|&H}}3C9, 63: {{Cl|OUT}} {{Cl|&H}}3C9, 63: {{Cl|OUT}} {{Cl|&H}}3C9, 63 'white background saves ink!
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Align 8, 2, "ASCII and Extended Character Code Table using {{Cl|CHR$}}(n%)"
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{{Cl|PRINT}} {{Cl|STRING$}}(80, 223)
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{{Cl|COLOR}} 40
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{{Cl|PRINT}} " ";
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{{Cl|FOR...NEXT|FOR}} i% = 0 {{Cl|TO}} 13
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{{Cl|PRINT}} i%;: SetCHR {{Cl|CSRLIN}}, {{Cl|POS}}(0), 40, i%
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{{Cl|LOCATE}} {{Cl|CSRLIN}}, {{Cl|POS}}(0) + 1
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{{Cl|NEXT}} i%
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{{Cl|FOR...NEXT|FOR}} i% = 14 {{Cl|TO}} 16
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{{Cl|PRINT}} i%; {{Cl|CHR$}}(i%);
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{{Cl|NEXT}}
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{{Cl|LOCATE}} {{Cl|CSRLIN}} + 1, 2
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{{Cl|FOR...NEXT|FOR}} i = 17 {{Cl|TO}} 27
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{{Cl|PRINT}} i; {{Cl|CHR$}}(i);
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{{Cl|NEXT}}
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{{Cl|FOR...NEXT|FOR}} i% = 28 {{Cl|TO}} 31
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{{Cl|PRINT}} i%;: SetCHR {{Cl|CSRLIN}}, {{Cl|POS}}(0), 40, i%
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{{Cl|LOCATE}} {{Cl|CSRLIN}}, {{Cl|POS}}(0) + 1
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{{Cl|NEXT}} i%
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{{Cl|LOCATE}} {{Cl|CSRLIN}} + 1, 2
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{{Cl|COLOR}} 2: {{Cl|PRINT}} 32; {{Cl|CHR$}}(32);
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{{Cl|FOR...NEXT|FOR}} i% = 33 {{Cl|TO}} 255
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{{Cl|SELECT CASE}} i%
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{{Cl|CASE}} 45, 58, 71, 84: {{Cl|LOCATE}} {{Cl|CSRLIN}} + 1, 1
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{{Cl|CASE}} {{Cl|IS}} > 96: {{Cl|IF...THEN|IF}} (i% - 97) {{Cl|MOD}} 11 = 0 {{Cl|THEN}} {{Cl|LOCATE}} {{Cl|CSRLIN}} + 1, 1
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{{Cl|END SELECT}}
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{{Cl|SELECT CASE}} i%
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{{Cl|CASE}} 48 {{Cl|TO}} 57: {{Cl|COLOR}} 9 'denotes number keys 48 to 57
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{{Cl|CASE}} 65 {{Cl|TO}} 90: {{Cl|COLOR}} 5 ' A to Z keys 65 to 90
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{{Cl|CASE}} 97 {{Cl|TO}} 122: {{Cl|COLOR}} 36 'a to z keys 97 to 122
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{{Cl|CASE}} 127 {{Cl|TO}} 175: {{Cl|COLOR}} 42
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{{Cl|CASE}} 176 {{Cl|TO}} 223: {{Cl|COLOR}} 6 'drawing characters 176 to 223
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{{Cl|CASE}} {{Cl|IS}} > 223: {{Cl|COLOR}} 42
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{{Cl|CASE ELSE}}: {{Cl|COLOR}} 2
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{{Cl|END SELECT}}
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{{Cl|IF...THEN|IF}} i% = 98 {{Cl|OR (boolean)|OR}} i% = 99 {{Cl|OR (boolean)|OR}} i% = 100 {{Cl|THEN}} {{Cl|PRINT}} {{Cl|SPACE$}}(1);
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{{Cl|PRINT}} " "; i%; {{Cl|CHR$}}(i%);
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{{Cl|NEXT}} i%
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{{Cl|COLOR}} 3: {{Cl|PRINT}} "= NBSP(Non-Breaking Space)"
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{{Cl|COLOR}} 8: {{Cl|PRINT}} {{Cl|STRING$}}(80, {{Cl|CHR$}}(220))
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Border 8
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{{Cl|COLOR}} 4: {{Cl|LOCATE}} 27, 4: {{Cl|PRINT}} "7) BELL, 8) Backspace, 9) Tab, 10) LineFeed(printer), 12) FormFeed(printer)"
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{{Cl|LOCATE}} 28, 4: {{Cl|PRINT}} " 13) Return, 26) End Of File, 27) Escape 30) Line up, 31) Line down "
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Align 13, 29, "Press Ctrl + P to PRINT!"
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DO: {{Cl|SLEEP}}: K$ = {{Cl|INKEY$}}: {{Cl|LOOP}} {{Cl|UNTIL}} K$ <> ""
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Align 13, 29, {{Cl|SPACE$}}(50)
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{{Cl|IF...THEN|IF}} K$ = {{Cl|CHR$}}(16) {{Cl|THEN}}
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{{Cl|_PRINTIMAGE}} 0 '<<<<<<<<<<<< to PRINTER
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Align 11, 29, "Use the ASCII Table for a reference of the codes!"
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{{Cl|SOUND}} 700, 4
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{{Cl|END IF}}
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K$ = {{Cl|INPUT$}}(1)
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{{Cl|SYSTEM}}
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{{Cl|SUB}} Align (Tclr, Trow, txt$)
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Tcol = 41 - ({{Cl|LEN}}(txt$) \ 2)
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{{Cl|COLOR}} Tclr: {{Cl|LOCATE}} Trow, Tcol: {{Cl|PRINT}} txt$;
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{{Cl|END SUB}}
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{{Cl|SUB}} Border (clr%)
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{{Cl|COLOR}} clr%
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{{Cl|FOR...NEXT|FOR}} row = 1 {{Cl|TO}} 30
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{{Cl|LOCATE}} row, 1: {{Cl|PRINT}} {{Cl|CHR$}}(179);
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{{Cl|LOCATE}} row, 80: {{Cl|PRINT}} {{Cl|CHR$}}(179);
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{{Cl|NEXT}} row
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{{Cl|LOCATE}} 1, 1: {{Cl|PRINT}} {{Cl|STRING$}}(80, 196);
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{{Cl|LOCATE}} 30, 1: {{Cl|PRINT}} {{Cl|STRING$}}(80, 196);
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{{Cl|LOCATE}} 1, 1: {{Cl|PRINT}} {{Cl|CHR$}}(218);
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{{Cl|LOCATE}} 1, 80: {{Cl|PRINT}} {{Cl|CHR$}}(191);
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{{Cl|LOCATE}} 30, 1: {{Cl|PRINT}} {{Cl|CHR$}}(192);
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{{Cl|LOCATE}} 30, 80: {{Cl|PRINT}} {{Cl|CHR$}}(217);
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{{Cl|END SUB}}
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{{Cl|SUB}} SetCHR (Trow, Tcol, FG, ASCode)
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Srow = 16 * (Trow - 1): Scol = 8 * (Tcol - 1) 'convert text to graphic coordinates
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{{Cl|COLOR}} FG: {{Cl|_PRINTSTRING}} (Scol, Srow), {{Cl|CHR$}}(ASCode)
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{{Cl|END SUB}} '' ''
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{{CodeEnd}}
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{{small|Code by Ted Weissgerber}}
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:''Explanation:'' The [[ASCII]] character table was originally made in [[SCREEN]] 12 (640 X 480) and was adapted to 256 colors.
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''See also:''
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*[[_LOADIMAGE]], [[_NEWIMAGE]], [[_COPYIMAGE]]
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*[[LPRINT]]
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{{PageNavigation}} |