GraphicsV 25 (changes)
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Added | Removed | Changed
GraphicsV
» GraphicsV 25
Graphics Vector (42)
| Entry | |
|---|---|
| R0 | Bank number |
| R4 | Bits 0-15: 25 (reason code) |
| Bits 16-23: Overlay number | |
| Bits 24-31: Driver number |
| Exit | |
|---|---|
| R4 | 0 |
| - | All other registers preserved |
Use
Discards a buffer, allowing the driver to potentially free the memory that was allocated to it. If necessary, the buffer will be unmapped first. If the overlay is currently displaying this buffer buffer, then the overlay will be hidden.
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