| Value | Meaning |
|---|---|
| JSR0x01 | Pushes the addres of the next isntruction to the stack, then sets PC to a |
| HCF0x07 | Fire in the hole! |
| INT0x08 | Trigger a software interrupt with message A |
| IAG | sets a = IA |
| IAS | sets IA = a |
| RFI | Return From Interrupt |
| IAQ0x0c | Queueing of interrupts if a != 0 |
| HWN0x10 | Sets a to number of devices |
| HWQ0x11 | Retrive information about hardware device a |
| HWI0x12 | Sends an interrupt to hrdware a |
Valid ExtendedOpCode