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Begins work on a functioning keyboard.

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This commit is contained in:
Thomas Harte 2019-05-08 12:34:26 -04:00
parent 7e6d4f5a3e
commit 7b466e6d0a
2 changed files with 38 additions and 10 deletions
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25
Machines/Apple/Macintosh/Keyboard.hpp Normal file
View File

@ -0,0 +1,25 @@
//
// Keyboard.h
// Clock Signal
//
// Created by Thomas Harte on 08/05/2019.
// Copyright © 2019 Thomas Harte. All rights reserved.
//
#ifndef Keyboard_hpp
#define Keyboard_hpp
namespace Apple {
namespace Macintosh {
class Keyboard {
public:
void set_input(bool data) {
printf("");
}
};
}
}
#endif /* Keyboard_h */

23
Machines/Apple/Macintosh/Macintosh.cpp
View File

@ -10,8 +10,9 @@
#include <array>
#include "Video.hpp"
#include "Keyboard.hpp"
#include "RealTimeClock.hpp"
#include "Video.hpp"
#include "../../CRTMachine.hpp"
@ -39,7 +40,7 @@ class ConcreteMachine:
mc68000_(*this),
video_(ram_.data()),
via_(via_port_handler_),
via_port_handler_(*this, clock_),
via_port_handler_(*this, clock_, keyboard_),
iwm_(CLOCK_RATE) {
// Grab a copy of the ROM and convert it into big-endian data.
@ -212,13 +213,10 @@ class ConcreteMachine:
}
private:
class Keyboard {
public:
};
class VIAPortHandler: public MOS::MOS6522::PortHandler {
public:
VIAPortHandler(ConcreteMachine &machine, RealTimeClock &clock) : machine_(machine), clock_(clock) {}
VIAPortHandler(ConcreteMachine &machine, RealTimeClock &clock, Keyboard &keyboard) :
machine_(machine), clock_(clock), keyboard_(keyboard) {}
using Port = MOS::MOS6522::Port;
using Line = MOS::MOS6522::Line;
@ -240,8 +238,9 @@ class ConcreteMachine:
b2–b0: audio output volume
*/
// printf("6522 A: %02x\n", value);
machine_.set_rom_is_overlay(!!(value & 0x10));
machine_.set_use_alternate_screen_buffer(!(value & 0x40));
machine_.set_rom_is_overlay(!!(value & 0x10));
break;
case Port::B:
@ -277,17 +276,20 @@ class ConcreteMachine:
void set_control_line_output(Port port, Line line, bool value) {
/*
Keyboard wiring (I believe):
CB2 = data
CB1 = clock
CB2 = data (output)
CB1 = clock (input)
CA2 is used for receiving RTC interrupts.
CA1 is used for receiving vsync maybe?
*/
if(port == Port::B && line == Line::Two) keyboard_.set_input(value);
// printf("6522 line %c%d: %c\n", port ? 'B' : 'A', int(line), value ? 't' : 'f');
}
private:
ConcreteMachine &machine_;
RealTimeClock &clock_;
Keyboard &keyboard_;
};
std::array<uint16_t, 32*1024> rom_;
@ -297,6 +299,7 @@ class ConcreteMachine:
Video video_;
RealTimeClock clock_;
Keyboard keyboard_;
MOS::MOS6522::MOS6522<VIAPortHandler> via_;
VIAPortHandler via_port_handler_;