mark can be somewhat cumbersome. In this case you can change the target for entered commands
through the CMDTGT console command. As per default the command target is Hercules.

4.2.4 Status Line

The status line shows on the left the CPU that is the current target for console commands. The target
CPU can be changed through the “CPU” console command. Beneath the CPU information the status line
displays the current PSW of the target CPU.

On the right side of the status line the overall instruction count is displayed together with the actual MIPS
rate. The status line is refreshed at a fixed rate of 1000 milliseconds (once per second). This rate is inde-
pendent of the PANRATE setting.

Figure 5: Console Panel Status Line

4.3 The Device and Status Panel

Pressing “Escape” (ESC) switches between the console panel and the device and status panel. This pa-
nel shows the current configuration, register status information, the CPU state and utilization and is used
to perform different operator actions.

Figure 6: Hercules Device and Status Panel

The device and status panel can be divided in these areas:

Window title Status panel heading Register area Operator area CPU utilization bar Peripherals area

All commands in the device and status panel consist of one character key controls. The various keys are
highlighted by bright white versus the grey of the other letters. The following is an overview of all available
keys and their related commands. They are described also in the respective areas sections where they
belong to.

Display Controls

G - General purpose registers

C - Control registers

A - Access registers

F - Floating point registers

I - Display storage at ‘address’

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