GraphicsV 21 (changes)
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GraphicsV
» GraphicsV 21
Graphics Vector (42)
| Entry | |
|---|---|
| R4 | Bits 0-15: 21 (reason code) |
| Bits 16-23: Overlay number | |
| Bits 24-31: Driver number |
| Exit | |
|---|---|
| R4 | 0 |
| - | All other registers preserved |
Use
Destroys a hardware overlay. overlay, including freeing/discarding all banks.
Specifying an overlay number of zero will destroy all overlays for the indicated driver.
See also
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