OS_SpriteOp 51 (changes)
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OS SWI Calls
» OS_SpriteOp
» OS_SpriteOp 51 – Paint Character Scaled
OS_SpriteOp 51 – Paint Character Scaled
(SWI &2E)
| Entry | |
|---|---|
| R0 | 51 (Reason code) + Area value |
| R1 | Character Code |
| R2 | Unused |
| R3 | X coordinate |
| R4 | Y coordinate |
| R5 | Unused |
| R6 | Pointer to scaling factors, or 0 for 1:1 scaling |
| Exit | |
|---|---|
| All registers preserved | |
Use
This call plots the specified character at the x and y co-ordinates using the desired scaling.
Notes
Coordinates are in OS units, and specify the bottom-left corner of the sprite.
The foreground colour is used to paint the desired colour.
See also
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