usr/src/sys/tahoe/vba/scope.h

/*
 *      @(#)scope.h     7.1 (Berkeley) %G%
 */

#ifdef DOSCOPE
/*  some i/o addresses used to generate pulses for scopes */
#define OUT1    0xffffb034
#define OUT2    0xffffb018
#define OUT3    0xffffb020
#define OUT4    0xffffb004
#define OUT5    0xffffb024
#define OUT6    0xffffb00c
#define OUT7    0xffffb02c

#define IOaddr(off)     (caddr_t)(&vmem[(off) & 0x0fffff])

extern  char vmem[];
extern  int cold;
#define scope_out(x)    if (!cold) movob(IOaddr(OUT/**/x),0)
#define scope_in(x)     if( !cold) dummy =  *IOaddr(IN/**/x)
#else
#define scope_out(x)
#define scope_in(x)
#endif