Command

Description

t-

Instruction trace off

t?

Instruction trace query

t{+/-} CKD

Turn CKD_KEY tracing on / off

t{+/-} dev

Turn CCW tracing on / off

timerint

Display or set timers update interval

tlb

Display TLB tables

toddrag

Display or set TOD clock drag factor

todprio

Display or set timer thread process priority

traceopt

Instruction trace display option

tt32

Control / query CTCI-WIN functionality

tzoffset

Set TOD clock offset from GMT

u

Disassemble storage

uptime

Display Hercules Emulator uptime

v

Display or alter virtual storage

version

Display version information

xpndsize

Display or set expanded storage size

yroffset

Set TOD clock offset from actual date

Table 16: Hercules Console Commands (sorted alphabetically)

7.7 Hercules Console Commands (grouped by functionality)

The next table shows an overview of the valid Hercules console commands that can be entered in the
control panel (Hercules console display). In this table the commands are grouped by functionality.

Please note that the availability of certain commands depends on the build options used when Hercules
was compiled. For a list of all build options and the related console commands please consult

Appendix
E. Build Options for System Parameters and Console Commands
”.

Command

Description

help

List all commands / command specific help

?

List all commands / command specific help (alias for help)

Command

Description

#

Silent comment

*

Loud comment

cmdlevel

Display or set the current command group

cmdlvl

Alias for cmdlevel

cmdsep

Display or set command line seperator

message

Display message on console like VM

msg

Display message on console like VM

msgnoh

Display message on console like VM, but without header

quiet

Toggle automatic refresh of console display data

hst

History of commands

hao

Hercules Automatic Operator (HAO)

log

Direct logger output

logopt

Display or set logging options

msglevel

Display or set the current message display output

msglvl

Display or set the current message display output (alias for msglevel
command)

ostailor

Tailor trace information for specific operating system

uptime

Display Hercules Emulator uptime

version

Display version information

exit

Terminate the emulator

quit

Terminate the emulator

quitmout

Display or set quit timeout value

cpu

Define target CPU for console display and commands

fcb

Display current FCB or load new FCB image

start

Start CPU or printer / punch device

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