Difference between revisions of "83Plus:BCALLs:5236"

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m (Comments: 2.30+ not 2.30 only, I assume)
m (inverting->invert)
 
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=== Destroys ===
 
=== Destroys ===
* [[83Plus:RAM:86EC|savesscreen]]
+
* [[83Plus:RAM:86EC|saveSScreen]]
  
 
=== Comments ===
 
=== Comments ===
This is the exact same thing as BCALLing [[83Plus:BCALLs:4D7D|DrawRectBorder]] or [[83Plus:BCALLs:4D86|EraseRectBorder]], though I suppose this has the advantage of being able to inverting it.
+
This is the exact same thing as BCALLing [[83Plus:BCALLs:4D7D|DrawRectBorder]] or [[83Plus:BCALLs:4D86|EraseRectBorder]], though I suppose this has the advantage of being able to invert it.
  
 
It was added in OS 2.30. Do not attempt to BCALL it on an earlier version.
 
It was added in OS 2.30. Do not attempt to BCALL it on an earlier version.

Latest revision as of 09:06, 2 March 2007



Synopsis

Unofficial Name: RectBorder

BCALL Address: 5236

Minimum OS Version: 2.30

Either draws, erases, or inverts a rectangular border on the screen.

Inputs

  • B: type of drawing (0 to erase, 1 to draw, 2 to invert)
  • H: upper left corner pixel row
  • L: upper left corner pixel column
  • D: lower right corner pixel row
  • E: lower right corner pixel column
  • plotLoc,(iy+plotFlags) set to update display only, reset for both display and graph buffer

Outputs

  • Rectangle is drawn

Destroys

Comments

This is the exact same thing as BCALLing DrawRectBorder or EraseRectBorder, though I suppose this has the advantage of being able to invert it.

It was added in OS 2.30. Do not attempt to BCALL it on an earlier version.