oprx               39 src/exec.c     WORD get_r_r1(WORD oprx);
oprx               48 src/exec.c     WORD get_x_r2(WORD oprx);
oprx               58 src/exec.c     WORD get_adr_x(WORD adr, WORD oprx);
oprx               68 src/exec.c     WORD get_val_adr_x(WORD adr, WORD oprx);
oprx              171 src/exec.c     WORD get_r_r1(WORD oprx)
oprx              176 src/exec.c         if((r = ((oprx & 0x00F0) >>4)) > GRSIZE - 1) {
oprx              184 src/exec.c     WORD get_x_r2(WORD oprx)
oprx              189 src/exec.c         if((x = (oprx & 0x000F)) > GRSIZE - 1) {
oprx              197 src/exec.c     WORD get_adr_x(WORD adr, WORD oprx)
oprx              200 src/exec.c         WORD x = get_x_r2(oprx);
oprx              208 src/exec.c     WORD get_val_adr_x(WORD adr, WORD oprx)
oprx              213 src/exec.c         if((a = get_adr_x(adr, oprx)) >= sys->memsize) {