12.3.1. Registr R15/PSR v 32bit módu
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
| 31 | 30 | 29 | 28 | 27 | 26 | 25 - - - - - - - - - - 2 | 1 | 0 |
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
| N | Z | C | V | I | F | Program Counter | S1 | S0 |
+----+----+----+----+----+----+----+----+----+----+----+----+----+----+
Tabulka 12.3. Flags
N | Negative | Set if result is negative |
Z | Zero | Set if result is zero |
C | Carry | Set if carry occurs |
O | Overflow | Set if overflow occurs |
I | IRQ | Interrupt disable |
F | FIQ | Fast Interrupt disable |
Tabulka 12.4. S1 and S0 processor mode
S1 | S2 | Mode | |
---|
0 | 0 | USR | User mode |
0 | 1 | FIQ | Fast Interrupt mode |
1 | 0 | IRQ | Interrupt mode |
1 | 1 | SVC | Supervisor mode |