OS_SpriteOp 57 (changes)

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Programmer's OS Reference SWI Manuals Calls

» Part OS_SpriteOp 15 – SWI Calls

» OS_SpriteOp 57 – Insert/delete rowsOS

OS_SpriteOp 57 – Insert/delete rows

(SWI &2E)

Use

This call inserts or deletes rows from the given sprite.

To insert rows, set R3 to the row number to insert the new row(s) underneath, and set R4 to the row count.

To delete rows, set R3 to the index of the bottommost row to delete, and set R4 to -(row count).

Notes

Sprite rows are numbered from the bottom of the sprite, starting at zero.

See also OS_SpriteOp 31 to insert a single row, or OS_SpriteOp 32 to delete a single row.

See also

• Format Of Sprite
• Format Of Sprite Area
• OS_SpriteOp
• OS_SpriteOp 31
• OS_SpriteOp 32