Sr - The NM Special Registers Window

SR$   isr=0000000a ior=00000000 iir=0000400e eiem=ffffffff rctr=00000000 sar=02
sr0=0000000a 0000000a 000000f8 00000000 sr4=00000101 000000f8 0000000b 0000000a
pcq=00000101.00005d27 00000101.00005d2b tr0=005e5200 00615200     eirr=00000000
pid1=0077(W)  007c(W)  007d(W)  0000(W) iva=00090000 itmr=5d801c34 ccr=80

• SR$ - Abbreviation for the window and the current output display. This window is always displayed in hexadecimal.

• isr - The interruption space register.

• ior - The interruption offset register.

• iir - The interruption instruction register.

• eiem - The external interrupt enable mask.

• rctr - The recovery counter.

• sar - The shift amount register. (This is a 5 bit register.)

• sr0 - sr7 - The space registers.

• pcq - The program counter queue.

• tr0 -tr1 - Temporary registers 0 and 1.

• eirr - The external interrupt request register.

• pid1 - pid 4 - The protection ID registers. These are 16-bit registers. (Refer to the conventions pages for a description of the format for this value.

• iva - The interrupt vector address.

• itmr - The interval timer.

• ccr - The coprocessor configuration register. (This is an 8-bit register.)