![]() ![]() Program status word PSW (Program Status Word) included the status bit carry flag (CF), is zero sign bit (ZF), symbol flag (sf), overflow flag (Of), Trap marker (TF), Interrupt Enable (Interrupt Shield) Sign (IF), Virtual Interrupt Sign ( VIF), Virtual Interrupt Symbol (VIP), i0 privilege level (IOPL). In a computer system, it indicates that the component of the system is operating is program status word The program status word also typically contains an error status area and a conditional code for interrupts allow or disabled, super or normal user mode bit. It often contains a pointer to the next one needs to be executed.
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