A.1 SoftICE Commands

Table A-1. Basic SoftICE commands

Command	Meaning
?	Evaluate expression
A	Assemble code
ADDR	Display/change address contents
BC	Clear breakpoint
BD	Disable breakpoint
BE	Enable breakpoint
BL	List current breakpoints
BPE	Edit breakpoint
BPT	Use breakpoint as a template
BPM, BPMB, BPMW, BPMD	Breakpoint on memory access
BPR	Breakpoint on memory range
BPIO	Breakpoint on I/O port access
BPINT	Breakpoint on interrupt
BPX	Breakpoint on execution
BPMSG	Breakpoint on Windows message
C	Compare two data blocks
CLASS	Display window class information
D, DB, DW, DD, DS, DL, DT	Display memory
DATA	Change data window
E, EB, EW, ED, EL, ET	Edit memory
EXIT	Exit
F	Fill memory with data
FORMAT	Change format of data window
G	Go to address
H	Help on specific function
HBOOT	System boot (total reset)
HERE	Go to current cursor line
HWND	Display Windows handle information
M	Move data
MOD	Display Windows module list
P	Step-skipping calls, interrupts, etc.
R	Display/change register contents
S	Search for data
T	Single-step one instruction
TASK	Display Windows task list
THREAD	Display thread information
U	Un-Assemblers instructions
VER	SoftICE Version
WATCH	Add watch
WHAT	Identify the type of expression
WMSG	Display Windows messages
X	Return to host debugger or program

Table A-2. Advanced SoftICE commands

Command	Meaning
CPU	Display CPU register information
GDT	Display global descriptor table
GENINT	Generate an interrupt
HEAP	Display Windows global heap
LHEAP	Display Windows local heap
IDT	Display interrupt descriptor table
I, IB, IW, ID	Input data from I/O port
LDT	Display local descriptor table
MAP32	Display 32-bit section map
MAPV86	Display v86 memory map
O, OB, OW, OD	Output data from I/O port
PAGE	Display page table information
PCI	Display PCI device information
PEEK	Read from physical address
PHYS	Display all virtual addresses for physical address
POKE	Write to physical address
PROC	Display process information
QUERY	Display process virtual address space map
TSS	Display task state segment
STACK	Display call stack
VCALL	Display VxD calls
VM	Display virtual machine information
VXD	Display Windows VxD map
XFRAME	Display active exception frames

Table A-3. Mode control

Command	Meaning
FAULTS	Enable/disable SoftICE fault trapping
I1HERE	Direct INT1 to SoftICE
I3HERE	Direct INT3 to SoftICE
SET	Change an internal variable
ZAP	Zap embedded INT1 or INT3

Table A-4. Customization

Command	Meaning
ALTKEY	Set key sequence to invoke window
ANSWER	Auto-answer and redirect console to modem
CODE	Display instruction bytes in code window
COLOR	Display/set screen colors
DEX	Display/assign window data expression
DIAL	Redirect console to modem
FKEY	Display/set function keys
LINES	Set/display number of lines on screen
MACRO	Define a named macro command
PAUSE	Control display scroll mode
PRN	Set printer output port
SERIAL	Redirect console
TABS	Set/display tab setting

Table A-5. Window commands

Command	Meaning
.	Locate current instruction
EC	Enable/disable code window
WC	Toggle code window
WD	Toggle data window
WF	Toggle floating point stack window
WL	Toggle locals window
WR	Toggle register window
WW	Toggle watch window

Table A-6. Window control

Command	Meaning
ALTSCR	Change to alternate display
CLS	Clear window
FLASH	Restore screen during P and T
RS	Restore program screen

Table A-7. Symbol/source commands

Command	Meaning
EXP	Display export symbols
FILE	Change/display current source file
LOCALS	Display locals currently in scope
SRC	Toggle between source, mixed, and code
SS	Search source module for string
SYMLOC	Relocate symbol base
TAB	Select/remove symbol table
TYPES	List all types or display type definition

Table A-8. Backtrace commands

Command	Meaning
SHOW	Display from backtrace buffer
TRACE	Enter backtrace simulation mode
XT	Step in trace simulation mode
XP	Program step in trace simulation mode
XG	Go to address in trace simulation mode
XRSET	Reset backtrace history buffer

Table A-9. Special operators

Command	Meaning
.	Preceding a decimal number specifies a line number
$	Preceding an address specifies SEGMENT addressing
#	Preceding an address specifies SELECTOR
@	Preceding an address