Research V5 development

[unix-history] / usr / sys / reg.h

#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)