define/command b        = "set break "
define/command cb       = "cancel break "
define/command bl       = "set break %line "
define/command btl      = "set break/temp %line "
define/command cbl      = "cancel break %line "
define/command bx       = "set break /exception"
define/command cbx      = "cancel break /exception"
define/command bh       = "set break @%pc "
define/command cbh      = "cancel break @%pc"
go
bx