www.pudn.com > HEC-win32.zip > jump.c

/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 
+                                                                   + 
+  jump.c - this file implements misc. branch instructions          + 
+				JMP, JE, JNE, SLT, INT, DI, EI, NOP                 + 
+                                                                   + 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ 
 
/* 
	REMEMBER: JUMPING involves relative displacement! 
*/ 
 
/* JMP $r1 */ 
#define HANDLE_JMP();	DBG_RUN0("Optimized HANDLE_JMP\n"); \ 
						badAddress(R[RAM[R[$IP]+1]],R[$IP]);\ 
						R[$IP] = R[RAM[R[$IP]+1]]; 
 
/* JE $r1, $r2, $r3*/ 
#define HANDLE_JE();		DBG_RUN0("Optimized HANDLE_JE\n"); \ 
						if(R[RAM[R[$IP]+1]]==R[RAM[R[$IP]+2]])\ 
						{\ 
							badAddress(R[RAM[R[$IP]+3]],R[$IP]);\ 
							R[$IP] = R[RAM[R[$IP]+3]];\ 
						}\ 
						else{ R[$IP]=R[$IP]+4; } 
 
/* JNE $r1, $r2, $r3 */ 
#define HANDLE_JNE();	DBG_RUN0("Optimized HANDLE_JNE\n"); \ 
						if(R[RAM[R[$IP]+1]]!=R[RAM[R[$IP]+2]])\ 
						{\ 
							badAddress(R[RAM[R[$IP]+3]],R[$IP]);\ 
							R[$IP] = R[RAM[R[$IP]+3]];\ 
						}\ 
						else{ R[$IP]=R[$IP]+4; } 
 
/* SLT $1, $r2, $r3 */ 
#define HANDLE_SLT();	DBG_RUN0("Optimized HANDLE_SLT\n"); \ 
						if(R[RAM[R[$IP]+2]]