OS_Byte 144
OS SWI Calls
» OS_Byte
» OS_Byte 144
OS_Byte 144
(SWI &06)
| Entry | |
|---|---|
| R0 | 144 (&90) |
| R1 | Vertical screen shift (as a signed 8 bit number) |
| R2 | Interlace flag, 0=on, 1=off |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Previous vertical screen shift |
| R2 | Previous interlace flag |
Use
The purpose of this call is to specify the vertical screen alignment and interlace options after the next mode change.
Notes
This is call is equivalent to *TV.
See also
Social
Follow us on
and
and
ROOL Store
Buy RISC OS Open merchandise here, including SD cards for Raspberry Pi and more.