Terminal control/Dimensions: Difference between revisions
Content added Content deleted
(Add BaCon) |
|||
| Line 62: | Line 62: | ||
<lang bbcbasic> dx% = @vdu.tr%-@vdu.tl% : REM Width of text viewport in pixels |
<lang bbcbasic> dx% = @vdu.tr%-@vdu.tl% : REM Width of text viewport in pixels |
||
dy% = @vdu.tb%-@vdu.tt% : REM Height of text viewport in pixels</lang> |
dy% = @vdu.tb%-@vdu.tt% : REM Height of text viewport in pixels</lang> |
||
{{works with|all BBC BASIC}} |
|||
<lang bbcbasic> PRINT:VDU 8:dx%=POS+1:PRINT : REM Width of text viewport in characters |
|||
REPEAT:dy%=VPOS:PRINT:UNTIL VPOS=dy%:dy%=dy%+1 : REM Height of text viewport in characters</lang> |
|||
This has the side effect of scrolling the viewport up one line. |
|||
{{works with|BBC BASIC where VDU() is supported}} |
|||
<lang bbcbasic> dx% = VDU(10)-VDU(8)+1 : REM Width of text viewport in characters |
|||
dy% = VDU(9)-VDU(11)+1 : REM Height of text viewport in characters</lang> |
|||
This has the side effect of scrolling the viewport up one line. |
|||
=={{header|C}}== |
=={{header|C}}== |
||