- add symbols, which default to zero, for slowdown timer and sleep functions
- add symbols, which default to zero, for slowdown timer and sleep functions

dbrashear/bochs,dariaphoebe/bochs,dariaphoebe/bochs,dariaphoebe/bochs,dbrashear/bochs,dbrashear/bochs,dbrashear/bochs,dbrashear/bochs,dariaphoebe/bochs,dariaphoebe/bochs