PDP-8-E-Simulator/KC8EA/StateMachine.h

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/*
* PDP-8/E Simulator
*
* Copyright © 1994-2015 Bernhard Baehr
*
* StateMachine.h - State Machine for the KC8-EA Programmers Console
*
* 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/>.
*/
@class PDP8;
@interface StateMachine : NSObject <NSCoding> {
@private
PDP8 *pdp8;
unsigned short cycle;
unsigned short md;
unsigned short mdDir;
unsigned short ir;
unsigned short cpma;
unsigned short bus;
BOOL pause;
unsigned short autoindex;
BOOL interruptInProgress;
unsigned short oldpc;
unsigned short oldinst;
}
- (StateMachine *) initWithPDP8:(PDP8 *)p8;
- (StateMachine *) initWithCoder:(NSCoder *)coder pdp8:(PDP8 *)p8;
- (unsigned short) state:(BOOL)sw;
- (unsigned short) status;
- (unsigned short) md;
- (unsigned short) bus;
- (unsigned short) cpma;
- (BOOL) isInFetchCycle;
- (void) loadAddress;
- (void) loadExtendedAddress;
- (void) updateState:(BOOL)exitFromGo;
- (void) executeSingleCycle;
- (void) examine;
- (void) deposit;
@end