39 lines
		
	
	
	
		
			862 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
	
		
			862 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
 | |
|  * See the copyright notice in the ACK home directory, in the file "Copyright".
 | |
|  */
 | |
| #define RCSID1 "$Header$"
 | |
| 
 | |
| #
 | |
| /*
 | |
|  * PDP 11 Machine dependent C declarations
 | |
|  */
 | |
| 
 | |
| /* Addressing modes */
 | |
| #define RMODE		00
 | |
| #define AIMODE		020
 | |
| #define ADMODE		040
 | |
| #define INDMODE		060
 | |
| #define RDEFMODE	010
 | |
| #define AIDEFMODE	030
 | |
| #define ADDEFMODE	050
 | |
| #define INDDEFMODE	070
 | |
| 
 | |
| #define OPLDF 0172400
 | |
| #define OPSTF 0174000
 | |
| #define OPSOB 077000
 | |
| #define OPBRA 0400
 | |
| 
 | |
| #define low3(z)	(((short) z) & 07)
 | |
| #define low6(z)	(((short) z) & 077)
 | |
| #define low7(z) (((short) z) & 0177)
 | |
| 
 | |
| #define fit3(z)	(low3(z) == (z))
 | |
| #define fit6(z)	(low6(z) == (z))
 | |
| #define fit8(z)	(lowb(z) == (z))
 | |
| 
 | |
| extern expr_t exp_1, exp_2;
 | |
| extern int rel_1, rel_2;
 | |
| extern int im1flag INIT(0);
 | |
| extern int im2flag INIT(0);
 | |
| extern valu_t adjust();
 |