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32 lines
825 B
Objective-C
32 lines
825 B
Objective-C
//
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// MOS6522Bridge.h
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// Clock Signal
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//
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// Created by Thomas Harte on 18/06/2016.
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// Copyright 2016 Thomas Harte. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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typedef NS_ENUM(NSInteger, MOS6522BridgePort) {
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MOS6522BridgePortA = 0, MOS6522BridgePortB = 1
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};
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typedef NS_ENUM(NSInteger, MOS6522BridgeLine) {
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MOS6522BridgeLineOne = 0, MOS6522BridgeLineTwo = 1
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};
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@interface MOS6522Bridge : NSObject
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@property (nonatomic, readonly) BOOL irqLine;
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@property (nonatomic) uint8_t portBInput;
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@property (nonatomic) uint8_t portAInput;
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- (void)setValue:(uint8_t)value forRegister:(NSUInteger)registerNumber;
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- (uint8_t)valueForRegister:(NSUInteger)registerNumber;
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- (BOOL)valueForControlLine:(MOS6522BridgeLine)line port:(MOS6522BridgePort)port;
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- (void)runForHalfCycles:(NSUInteger)numberOfHalfCycles;
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@end
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