PDP-8-E-Simulator/ASR33/ASR33.h
2018-05-26 15:52:10 +12:00

84 lines
2.7 KiB
Objective-C

/*
* PDP-8/E Simulator
*
* Copyright © 1994-2015 Bernhard Baehr
*
* ASR33.h - ASR 33 Teletype for the PDP-8/E Simulator
*
* 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/>.
*/
#define KBB_CHANGED_NOTIFICATION @"asr33KeyboardBufferChangedNotification"
#define TTO_CHANGED_NOTIFICATION @"asr33TeletypeOutputChangedNotification"
#define TTY_ONLINE_CHANGED_NOTIFICATION @"asr33TTYOnlineChangedNotification"
@class NSCondition, PaperTapeController, ASR33TextView, ASR33WindowController, TypeaheadBuffer;
@interface ASR33 : PDP8Plugin <NSCoding, InputConsumer>
{
@public
/* The attributes are public, so the C functions implementing the PDP-8 instructions can
access them directly. No other Cocoa code should use them directly. To ensure this,
the register names are mapped to dummy names with the #defines below. In the source
codes files with the instruction C functions, #define USE_ASR33_REGISTERS_DIRECTLY
to make the registers available. */
unsigned short KBB;
unsigned long inflag;
unsigned long outflag;
unsigned short output;
@private
unsigned short TTO; // private: not accessed by IOTs
short int input; // int: can be EOF == -1
unsigned short inAddress;
unsigned short outAddress;
unsigned short punchMask;
IBOutlet PaperTapeController *reader;
IBOutlet PaperTapeController *punch;
IBOutlet ASR33TextView *textview;
IBOutlet ASR33WindowController *windowController;
IBOutlet TypeaheadBuffer *typeaheadBuffer;
BOOL online;
NSConditionLock *inputLock;
NSConditionLock *outputLock;
NSCondition *outputOnline;
BOOL runWithRealtimeSpeed;
BOOL playSound;
float soundVolume;
BOOL isConsoleTTY;
}
- (unsigned short) getKBB;
- (void) setKBB:(unsigned short)kbb;
- (unsigned short) getTTO;
- (void) setTTO:(unsigned short)tto;
- (BOOL) getOnline;
- (void) setOnline:(BOOL)onlineOffline;
- (void) canContinueOutput;
@end
#if ! USE_ASR33_REGISTERS_DIRECTLY
#define KBB __dont_use_KBB__
#define inflag __dont_use_inflag__
#define outflag __dont_use_outflag__
#define input __dont_use_input__
#define output __dont_use_output__
#endif