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OS_Word 22
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» Part 15 – SWI Calls
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» OS_Word 22
OS_Word 22
(SWI &07)
| Entry | |
|---|---|
| R0 | 21 (&15) |
| R1 | Pointer to 5-byte buffer, containing: |
| +0 | Type |
| +1 | Unaligned word containing new screen offset |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
Use
The purpose of this call is to setup a new screen base address.
Notes
It is given as the offset from the base of the screen. The offset must be divisible by 16.