mirror of
https://github.com/RetroDECK/Supermodel.git
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97ac46c82a
- Added CPrintBreakpoint Changes to console-based debugger: - Added new scp command and tidied up some other commands - Tidied up event logging - Sorted commands into common groups - Added ReadMe.txt help file
396 lines
14 KiB
Plaintext
Executable file
396 lines
14 KiB
Plaintext
Executable file
Help for Supermodel Console-based Debugger
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==========================================
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Relevant Supermodel Command Line Options
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----------------------------------------
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-enter-debugger Enters the debugger at the start of emulation,
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-disable-debugger Completely disables the debugger in emulator.
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At any point whilst running the emulator, execution can be halted and the debugger entered by pressing Alt+B.
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Code Analysis
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-------------
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At startup, and whenever new code is encountered, the debugger analyses the program's code in order to work out all
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reachable code locations from a given set of entry points (reset address, exception handlers etc). During the analysis,
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it keeps track of all valid code locations and this is used to align instructions for CPUs with variable length instruction
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sets. It also generates a set of auto-labels that identify places of interest such as sub-routines, jump destinations and
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exception handlers etc. Code analysis can be switched off via the 'configure' command if required.
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Debugger Commands
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=================
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Execution
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---------
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n next [<count>=1]
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Runs the next single instruction or the next <count> instructions.
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nf nextframe [<count>=1]
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Runs until the next frame or for the next <count> frames.
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s stepover
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Runs the next instruction. If it is a call to a sub-routine then the sub-routine is 'stepped over' (ie control
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breaks at the return address of the sub-routine).
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si stepinto
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Runs the next single instruction, entering any sub-routines (ie same as 'next' above).
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so stepout
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Runs until control returns from the current sub-routine or exception/interrupt handler. Note that if an
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exception/interrupt occurs whilst stepping out then this will break execution too as control will have left
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the sub-routine or handler.
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c continue [<addr>]
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Continues running until a break is forced or if <addr> specified, until the given address is reached.
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spc setpc <addr>
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Sets the PC of the current CPU to the given address.
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CPUs
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----
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lc listcpus
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Lists all the available CPUs with details about them.
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sc switchcpu (<name>|<num>)
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Switches to another CPU with the given name or number.
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dc disablecpu (<name>|<num>)
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Disables debugging for the CPU with the given name or number. Once disabled, it is no longer
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possible to switch to or halt execution for that CPU, ie all breakpoints, watches, monitors and traps
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are ignored. The current CPU cannot be disabled.
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ec enablecpu (<name>|<num>)
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Enables debugging for the CPU with the given name or number.
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Registers
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---------
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lr listregisters
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Lists all registers for the current CPU and their current values.
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pr printregister <reg>
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Prints the current value of the given register for the current CPU.
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sr setregister <reg> <value>
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Sets the value of the given register for the current CPU.
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lm listmonitors
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Lists all register monitors for the current CPU with details about them.
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m monitor <reg>
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am addmonitor <reg>
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Adds a register monitor for the register with the given name, causing execution to break whenever the register's value
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changes.
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rm removemonitor <reg>
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Removes the register monitor with the given name.
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ram removeallmonitors
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Removes all register monitors for the current CPU.
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Exceptions & Interrupts
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-----------------------
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le listexceptions
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Lists all known exceptions for the current CPU and details about them.
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li listinterrupts
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Lists all known interrupts for the current CPU and details about them.
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t trap ((e)xception|(i)nterrupt) <id>
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at addtrap ((e)xception|(i)nterrupt) <id>
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Adds an exception or interrupt trap for the exception/interrupt with the given identifier.
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rt removetrap ((e)xception|(i)nterrupt) <id>
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Removes an exception or interrupt trap for the exception/interrupt with the given identifier.
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rat removealltraps [(a)ll|(e)xceptions|(i)nterrupts]
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Removes all exception and/or all interrupt traps for the current CPU. If no arguments are supplied, all exception and all
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interrupt traps are removed.
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Disassembly, Labels & Comments
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------------------------------
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l list [<start>=last [#<instrs>=20|<end>]]
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ld listdisassembly [<start>=last [#<instrs>=20|<end>]]
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Lists the disassembled code of the current CPU for the given address range and/or number of instructions.
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If the start address is not supplied, the listing continues on from the last call, or from just before the current PC
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address if this is the first call.
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If the end address or instruction count is not supplied, then the default of 20 instructions are listed.
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If code analysis is enabled, then this will be used to align the instructions in the disassembly. If code analysis is
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off and the current PC address falls within the disassembly address range, then the instructions will line up with this.
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Otherwise, instruction alignment will simply begin at the start address.
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ll listlabels [(d)efault|(c)ustom|(a)utos|(e)ntrypoints|e(x)cephandlers|(i)interhandlers|(j)umptargets|(l)ooppoints]
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Lists all labels for the current CPU. The default option is to list all custom labels (user-added) and any auto-labels
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(labels generated by code analysis) of interest. The other options allow the display of particular types of auto-labels.
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al addlabel <addr> <name>
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Adds a custom label at the given address and with the given name.
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rl removelabel [<name>|<addr>]
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Removes a custom label with the given name or at the given address. If no argument is supplied, then it removes the
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custom label at the current PC address.
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ral removealllabels
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Removes all custom labels for the current CPU.
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ac addcomment <addr> <text...>
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Adds a code comment at the given address and with the given text.
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rc removecomment [<addr>]
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Removes the code comment at the given address. If no argument is supplied, then it removes the code comment at the
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current PC address.
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rac removeallcomments
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Removes all code comments for the current CPU.
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Breakpoints
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-----------
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lb listbreakpoints
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Lists all breakpoints for the current CPU with details about them.
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b breakpoint [<addr> [[s)imple|(c)ount <count>|(p)rint)]]
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ab addbreakpoint [<addr> [[s)imple|(c)ount <count>|(p)rint)]]
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Adds a breakpoint at the given address. If no arguments are supplied, then it adds a simple breakpoint at the current PC
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address.
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Types of breakpoint (default is simple):
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(s)imple - if the location is hit, execution always breaks,
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(c)ount - if the location is hit the number of times specified by count, execution breaks.
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(p)rint - if the location is hit, a message is printed to the console, but control does not break.
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rb removebreakpoint [#<num>|<addr>]
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Removes the breakpoint with the given number of at the given address. If no arguments is supplied, then it removes
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the breakpoint at the current PC address.
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Memory, I/O & Watches
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---------------------
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ln listregions
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Lists all known memory regions in the current CPU's address space.
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ly listmemory [<start>=last [#<rows>=8|<end>]]
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Lists the memory contents of the current CPU for the given address range and/or number of rows.
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If the start address is not supplied, the listing continues on from the last call, or from address 0 if this is the
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first call.
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If the end address or row count is not supplied, then the default of 8 rows are listed.
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py printmemory[.<size>=b] <addr> [(h)ex|hexdo(l)lar|hex(p)osth|(d)ecimal|(b)inary]
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Prints the current memory value at the given address for the current CPU. If no format is supplied, the default data
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format is used.
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The size specifier may be a number or (b)yte, (w)ord, (l)ong or (v)erylong. The default if omitted is byte.
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sy setmemory[.<size>=b] <addr> <value>
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Sets the memory value at the given address for the current CPU.
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The size specifier may be a number or (b)yte, (w)ord, (l)ong or (v)erylong. The default if omitted is byte.
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lo listios
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Lists all known I/Os (both mapped I/O addresses and I/O ports) for the current CPU and details about them.
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lw listmemwatches
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Lists all memory watches for the current CPU with details about them.
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w memwatch[.<size>=b] <addr> [((n)one|(r)ead|(w)rite|(rw)eadwrite) [((s)imple|(c)ount <count>|(m)atch <sequence>|captu(r)e <maxlen>|(p)rint)]]
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aw addmemwatch[.<size>=b] <addr> [((n)one|(r)ead|(w)rite|(rw)eadwrite) [((s)imple|(c)ount <count>|(m)atch <sequence>|captu(r)e <maxlen>|(p)rint)]]
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Adds a read/write memory watch at the given address.
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If (r)ead, (w)rite or (rw)eadwrite are specified then the watch also triggers an event (see below) when the
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address is read, written or either read or written, respectively.
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If (n)one is specified (the default), the watch does not trigger and simply remembers the last read/write at the
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given address (details about which are visible when listing memory watches).
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The size specifier may be a number or (b)yte, (w)ord, (l)ong or (v)erylong. The default if omitted is byte. If the
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address is mapped I/O address, then the size is ignored.
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Types of watch (default is simple):
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(s)imple - if the watch is triggered, execution always breaks,
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(c)ount - if the watch is triggered, execution breaks after the number of times specified by count,
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(m)atch - if the watch is triggered, execution breaks if the series of values read/written matches the given
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sequence of data (comma separated),
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captu(r)e - if the watch is triggered, the value read/written is recorded in a history whose maximum length
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is as specified,
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(p)rint - if the watch is triggered, a message with the value read/written is printed to the console.
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rw removememwatch (#<num>|<addr>)
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Removes the memory watch with the given number or at the given address.
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raw removeallmemwatches
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Removes all memory watches for the current CPU.
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lpw listportwatches
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Lists all I/O port watches for the current CPU with details about them.
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pw portwatch <port> [((n)one|(i)nput|(o)utput|(io)nputoutput) [(s)imple|(c)ount <count>|(m)atch <sequence>|captu(r)e <maxlen>|(p)rint]]
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apw addportwatch <port> [((n)one|(i)nput|(o)utput|(io)nputoutput) [(s)imple|(c)ount <count>|(m)atch <sequence>|captu(r)e <maxlen>|(p)rint]]
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Adds an input/output watch for the given I/O port.
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If (i)nput, (o)utput or (io)nputoutput are specified then the watch also triggers an event (see below) when the
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port is read (input), written (output) or either read or written, respectively.
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If (n)one is specified (the default), the watch does not trigger and simply remembers the last read/write for the
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given port (details about which are visible when listing port watches).
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Types of watch (default is simple):
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(s)imple - if the watch is triggered, execution always breaks,
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(c)ount - if the watch is triggered the number of times specified by count, execution breaks,
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(m)atch - if the watch is triggered, execution breaks if the series of values input/output matches the given
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sequence of data (comma separated),
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captu(r)e - if the watch is triggered, the value inputted/outputted is recorded in a history whose maximum length
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is as specified,
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(p)rint - if the watch is triggered, a message with the value inputted/outputted is printed to the console.
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rpw removeportwatch (#<num>|<port>)
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Removes the port watch with the given number or for the given port.
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rapw removeallportwatches
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Removes all port watches for the current CPU.
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General
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--------
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p print[.<size>=v] <expr> [(h)ex|hex(z)ero|hexdo(l)lar|hex(p)osth|(d)ecimal|(b)inary]
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Prints the given expression as a number in the given format. If no format is supplied, the default data format is used.
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Currently the "expression" can just be a number, label or register name.
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The size specifier may be a number or (b)yte, (w)ord, (l)ong or (v)erylong. The default if omitted depends on the
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type of expression.
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cfg configure analysis [(o)n|of(f)]
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addrfmt [(h)ex|hex(z)ero|hexdo(l)lar|hex(p)osth|(d)ecimal|(b)inary]
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portfmt [(h)ex|hex(z)ero|hexdo(l)lar|hex(p)osth|(d)ecimal|(b)inary]
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datafmt [(h)ex|hex(z)ero|hexdo(l)lar|hex(p)osth|(d)ecimal|(b)inary]
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showlabels [(o)n|of(f)]
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showopcodes [(o)n|of(f)]
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membytesrow [<num>]
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Configures the debugger.
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If no arguments are passed, it outputs all the current settings.
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If a setting is supplied, it outputs the current value for the given setting.
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If both a setting and a value are supplied, it sets the current value for the given setting.
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ls loadstate <file>
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Loads the debugger state (custom labels and code comments) from the given file.
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ss savestate <file>
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Save the debugger state (custom labels and code comments) to the given file.
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h help
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Prints the available commands.
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x exit
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Exits the debugger and emulator.
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Emulator
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--------
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les loademustate <file>
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Loads the emulator state from the given file.
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ses saveemustate <file>
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Saves the emulator state to the given file.
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res resetemu
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Resets the emulator.
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Inputs
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------
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lip listinputs
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Lists all available inputs for the current game.
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pip printinput (<id>|<label>)
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Prints details about the input with the given id or label.
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sip setinput (<id>|<label>) <mapping>
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Sets the current mapping for the input with the given id or label.
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rip resetinput (<id>|<label>)
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Resets the mapping to its default for the input with the given id or label.
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cip configinput (<id>|<label>) [(s)et|(a)ppend]
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Configures the input with the given id or label, in a similar fashion to -config-inputs. The default is to
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set the mapping but if append is specified the mapping is appended to.
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caip configallinputs
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Configures all the inputs for the current game, in a similar fashion to -config-inputs.
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Notes
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-----
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The output of any command can be redirected to a file by adding the > or >> redirection symbols after the command together
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with the filename to write or append to, eg:
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listdisassembly MainEntry #50 > c:\disassembly.txt
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or listmemory $0000 $1000 >> ramdump.txt |