Showing changes from revision #0 to #1:
Added | Removed | Changed
Entry | |
---|---|
R0 | Reason code |
All other registers dependent on reason code |
Exit | |
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R0 | Preserved |
All other registers dependent on reason code |
The purpose of this call is to perform miscellaneous operations for screen mode handling.
The action performed depends on the reason code value in R0.
# | Hex # | Action |
---|---|---|
0 | &00 | Select screen mode |
1 | &01 | Return current screen mode |
2 | &02 | Enumerate screen modes |
3 | &03 | Internal use only |