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| {{Merge|Bomb (symbol)|date=October 2011}} | |||
| {{Unreferenced|date=December 2011}} | |||
| ]) ], the four bombs indicate that the system error "Illegal Instruction" has occurred.]] | |||
| ]-based systems, such as the ], used a '''row of bombs''' to indicate a critical system error. The number of bombs displayed revealed information about the occurred error. The error (also called an '']'') is reported by the ] ]. The very first version of TOS used ]s which was quickly changed, as it was considered ].{{citation}} | |||
| * 1 bomb: Reset, Initial PC2 | |||
| * 2 bombs: Bus Error | |||
| * 3 bombs: Address Error | |||
| * 4 bombs: Illegal Instruction | |||
| * 5 bombs: ] | |||
| * 6 bombs: CHK Instruction | |||
| * 7 bombs: TRAPV Instruction | |||
| * 8 bombs: Privilege Violation | |||
| * 9 bombs: Trace | |||
| * 10 bombs: Line 1010 Emulator | |||
| * 11 bombs: Line 1111 Emulator | |||
| * 12–13 bombs: | |||
| * 14 bombs: Format Error | |||
| * 15 bombs: Uninitialized Interrupt Vector | |||
| * 16–23 bombs: | |||
| * 24 bombs: Spurious Interrupt | |||
| * 25 bombs: Level 1 Interrupt Autovector | |||
| * 26 bombs: Level 2 Interrupt Autovector | |||
| * 27 bombs: Level 3 Interrupt Autovector | |||
| * 28 bombs: Level 4 Interrupt Autovector | |||
| * 29 bombs: Level 5 Interrupt Autovector | |||
| * 30 bombs: Level 6 Interrupt Autovector | |||
| * 31 bombs: Level 7 Interrupt Autovector | |||
| * 32–47 bombs: Trap Instruction Vectors | |||
| * 48–63 bombs: | |||
| * 64–255 bombs: User Interrupt Vectors | |||
| == See also == | |||
| {{screens of death}} | |||
| == External links == | |||
| * | |||
| ] | |||
| ] | |||
| ] | |||
| ] | |||