OS_ScreenMode 7 (changes)
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OS SWI Calls
» OS_ScreenMode
» OS_ScreenMode 7
OS_ScreenMode 7
(SWI &65)
| Entry | |
|---|---|
| R0 | 7 (RISC OS 6 only) |
| Exit | |
|---|---|
| R1 | Number of display banks available |
| All other registers preserved | |
Use
The purpose of this call is to read the number of display banks available to be selected by OS_Byte 112 and OS_Byte 113.
Notes
RISC OS 6 only – calls VideoV?.
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