/a

Controls automatic symbol loading. If this option is set, Windows will not load symbols automatically.

/n

Sets the following options:

codebytes

dislwr

int3line

newprompt

newreg

newvec

symaddrs

/v

Controls segment load notification messages. If this option is set, all segment load notifications will be displayed.

386env

Controls the size of addresses, registers, and so on when displayed. When this option is on, addresses, registers, and so on are shown in 32-bit format; otherwise, they are shown in 16-bit format.

codebytes

Causes code bytes to be displayed along with disassembled instructions.

disaddr

Causes addresses to be displayed with disassembled instructions.

disline

Causes filenames and line numbers to be displayed with disassembled instructions.

dislwr

Causes register and instruction names to be displayed in lowercase letters.

int3line

Causes the filename and line number to be displayed with int 3 instructions.

newprompt

Causes a double prompt when paging is enabled and a nesting level if the debugger is reentered.

newreg

Controls the format of the register display.

newvec

Controls the display format for the intercepted interrupt vectors.

regterse

Controls the number of registers displayed by the r (Register) command. When regterse is on, only the first three lines are displayed (instead of the normal six lines plus disassembly line).

scrncols

Sets the number of screen columns in the debug display. The default is 79 columns.

scrnlines

Sets the number of screen lines in the debug display. The default is 24 lines.

skipint3s

Causes the debugger to ignore inline int 3 instructions.

symaddrs

Causes symbol values to be displayed with the symbols.

teftibase

Sets the base port address for the timing card.