PDP-8-E-Simulator/Utilities/Opcode.h

45 lines
1.3 KiB
Objective-C

/*
* PDP-8/E Simulator
*
* Copyright © 1994-2015 Bernhard Baehr
*
* Opcode.h - Class representing a PDP-8 opcode
*
* This file is part of PDP-8/E Simulator.
*
* PDP-8/E Simulator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
@interface Opcode : NSObject <NSCopying>
{
@private
int address; /* PDP-8 address used while assembly */
int word0; /* first 12-bit word of the opcode, -1 == invalid */
int word1; /* optional second word, -1 == not used */
}
+ (Opcode *) opcodeWithAddress:(int)addr;
+ (Opcode *) opcodeWithAddress:(int)addr value:(int)value;
- (Opcode *) initWithAddress:(int)addr;
- (Opcode *) initWithAddress:(int)addr value:(int)value;
- (int) address;
- (int) word0;
- (void) setWord0:(int)w1;
- (int) word1;
- (void) setWord1:(int)w2;
@end