8
8
18
58
96
98
26A
298
1D
1F
1F
1D
1D
1D
1D
1D
1D
1F
1F
1F
1F
1D
1D
1D
1D
1D
48D
1F
1H
1F
4D
16F
16F
External old
Reserved for
Interval timer
Reserved for
External new
Reserved for
Reserved for
Reserved for
Floating-point register logout area
Extended control register logout area
1F
1F Reserved for
1F
1F
1F
previous elapsed virtual time
Last command issued
Next to last command
Last
Next to last