writing_20console_20mode_20programs_20that_20will_20also_20run_20in_20the_20ide
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writing_20console_20mode_20programs_20that_20will_20also_20run_20in_20the_20ide [2018/03/31 13:19] 127.0.0.1 external edit |
writing_20console_20mode_20programs_20that_20will_20also_20run_20in_20the_20ide [2018/04/15 11:10] (current) richardrussell Added syntax highlighting |
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| =====Writing console mode programs that will also run in the IDE===== | =====Writing console mode programs that will also run in the IDE===== | ||
| - | //by Jon Ripley, January 2007, April 2007//\\ \\ The following code demonstrates how to write a console mode BBC BASIC program that will also run from the IDE:\\ \\ | + | //by Jon Ripley, January 2007, April 2007//\\ \\ The following code demonstrates how to write a console mode BBC BASIC program that will also run from the IDE: |
| + | |||
| + | <code bb4w> | ||
| IF FNInConsoleMode THEN | IF FNInConsoleMode THEN | ||
| SYS "GetStdHandle",-10 TO @hfile%(1):*INPUT 13 | SYS "GetStdHandle",-10 TO @hfile%(1):*INPUT 13 | ||
| Line 13: | Line 15: | ||
| IF FNInConsoleMode THEN QUIT | IF FNInConsoleMode THEN QUIT | ||
| - | \\ At the start of the program we [[/Discovering%20how%20a%20program%20was%20run|check the current environment]] the program is running in and only redirect I/O to the console if the program has been compiled - assuming that the program will be compiled with the 'Console mode' option set. When running in console mode you **must** end your program using **QUIT**. The code for **FNInConsoleMode** is at the end of this article.\\ \\ Similar code is used to write CGI (**C**ommon **G**ateway **I**nterface) programs in BBC BASIC program that will also run from the IDE:\\ \\ | + | </code> |
| + | |||
| + | At the start of the program we [[/Discovering%20how%20a%20program%20was%20run|check the current environment]] the program is running in and only redirect I/O to the console if the program has been compiled - assuming that the program will be compiled with the 'Console mode' option set. When running in console mode you **must** end your program using **QUIT**. The code for **FNInConsoleMode** is at the end of this article.\\ \\ Similar code is used to write CGI (**C**ommon **G**ateway **I**nterface) programs in BBC BASIC program that will also run from the IDE: | ||
| + | |||
| + | <code bb4w> | ||
| IF FNInConsoleMode THEN SYS "GetStdHandle",-11 TO @hfile%(2):*OUTPUT 2 | IF FNInConsoleMode THEN SYS "GetStdHandle",-11 TO @hfile%(2):*OUTPUT 2 | ||
| Line 21: | Line 27: | ||
| IF FNInConsoleMode THEN SYS "SetEndOfFile", @hfile%(2):QUIT | IF FNInConsoleMode THEN SYS "SetEndOfFile", @hfile%(2):QUIT | ||
| - | \\ The differences here are that we do not need to redirect program input and CGI programs **must** close the output file handle before quitting.\\ \\ | + | </code> |
| + | |||
| + | The differences here are that we do not need to redirect program input and CGI programs **must** close the output file handle before quitting. | ||
| ==== Routines ==== | ==== Routines ==== | ||
| + | |||
| + | <code bb4w> | ||
| DEF FNInConsoleMode | DEF FNInConsoleMode | ||
| LOCAL base% | LOCAL base% | ||
| SYS "GetModuleHandle", 0 TO base% | SYS "GetModuleHandle", 0 TO base% | ||
| = (base%?(base%!60+92) = 3) | = (base%?(base%!60+92) = 3) | ||
| + | </code> | ||
writing_20console_20mode_20programs_20that_20will_20also_20run_20in_20the_20ide.txt · Last modified: 2018/04/15 11:10 by richardrussell
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