=> R0 = 4 (&04)
R1 = new state
<= R0 preserved
R1 = old state
R2 corrupted
This call alters the effect of the four arrow keys and the Copy key. The value of R1 determines their state.
OS_Byte 237 may be used to write and read this state.
See PRM 1, page 856
|
|
|