Showing changes from revision #3 to #4:
Added | Removed | Changed
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Enables definition of graphics window, i.e. area of screen inside which graphics can be drawn with the DRAW
and PLOT
statements.
VDU 24,lx;by;rx;ty;
lx |
left X |
by |
bottom Y |
rx |
right X |
ty |
top Y |
Four coordinates given as two bytes each. Use of semi-colon punctuation sends number as two-byte pair: lo followed by hi.