Entry | |
---|---|
R0 | 2 |
Exit | |
---|---|
R0 | IOEB ASIC presence flag |
R1 | 82C710 presence flag |
R2 | LCD ASIC presence flag |
R3 | Low half of ID |
R4 | High half of ID |
The purpose of this call is to check for the presence of various chips, returning flags.
It also reads the unique machine ID if a suitable chip is fitted to the computer; if none is, an ID of zero is returned.
To read just the machine ID, use OS_ReadSysInfo 5.