unix-history:unix-v6:usr:sys:reg.h
Unix V6 /usr/sys/reg.h
/* * Location of the users' stored * registers relative to R0. * Usage is u.u_ar0[XX]. */ #define R0 (0) #define R1 (-2) #define R2 (-9) #define R3 (-8) #define R4 (-7) #define R5 (-6) #define R6 (-3) #define R7 (1) #define RPS (2) #define TBIT 020 /* PS trace bit */
unix-history/unix-v6/usr/sys/reg.h.txt ยท Last modified: 2006/07/26 07:34 by 127.0.0.1