/* This C language subroutine compares two strings. The Run Time Library for the C Language. Gordon A. Sterling (617) 461 - 3076 DSP Development Tools Engineering Created on 4/30/90 Updated on 5/94 by AS Updated on 3/95 by AS - separated polymorphic functions #include
int strcmp(const char *s1, const char *s2); */ #include "lib_glob.h" #include "str_glob.h" .SEGMENT/CODE Code_Space_Name; .FILE RTL_FILENAME; .GLOBAL _strcmp; .GLOBAL ___strcmpDD; _strcmp: ___strcmpDD: compare_core: R0=PASS R8, R12=dma_i; R2=PASS R4, FETCH_RETURN dm_to_dm_compare:dma_i=R2; /*Point to s1 */ dm_ptr=R0; /*Point to s2 */ R2=DM(dma_i,1); /*Read *s1 */ DO dm_dm UNTIL FOREVER; R2=PASS R2, R0=DM(dm_ptr,1); /*Read *s2 */ IF EQ JUMP (PC, restore_state) (LA); R0=R2-R0, R2=DM(dma_i,1); dm_dm: IF NE JUMP (PC, restore_state) (LA); restore_state: dma_i=R12; RETURN (DB); RESTORE_STACK RESTORE_FRAME .ENDSEG;