62 lines
1.6 KiB
Objective-C
62 lines
1.6 KiB
Objective-C
/*
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* PDP-8/E Simulator
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*
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* Copyright © 1994-2015 Bernhard Baehr
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*
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* StateMachine.h - State Machine for the KC8-EA Programmer’s Console
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*
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* This file is part of PDP-8/E Simulator.
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*
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* PDP-8/E Simulator is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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@class PDP8;
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@interface StateMachine : NSObject <NSCoding> {
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@private
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PDP8 *pdp8;
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unsigned short cycle;
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unsigned short md;
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unsigned short mdDir;
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unsigned short ir;
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unsigned short cpma;
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unsigned short bus;
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BOOL pause;
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unsigned short autoindex;
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BOOL interruptInProgress;
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unsigned short oldpc;
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unsigned short oldinst;
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}
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- (StateMachine *) initWithPDP8:(PDP8 *)p8;
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- (StateMachine *) initWithCoder:(NSCoder *)coder pdp8:(PDP8 *)p8;
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- (unsigned short) state:(BOOL)sw;
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- (unsigned short) status;
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- (unsigned short) md;
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- (unsigned short) bus;
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- (unsigned short) cpma;
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- (BOOL) isInFetchCycle;
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- (void) loadAddress;
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- (void) loadExtendedAddress;
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- (void) updateState:(BOOL)exitFromGo;
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- (void) executeSingleCycle;
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- (void) examine;
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- (void) deposit;
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@end
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