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Merge pull request #70 from TomHarte/OricTyper

Implemented typer for the Oric, and I'm starting to think the code is…
This commit is contained in:
Thomas Harte 2016-11-03 22:23:01 -04:00 committed by GitHub
commit c2c4e81a7d
4 changed files with 116 additions and 9 deletions

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@ -11,7 +11,10 @@
using namespace Oric;
Machine::Machine() : _cycles_since_video_update(0), _use_fast_tape_hack(false)
Machine::Machine() :
_cycles_since_video_update(0),
_use_fast_tape_hack(false),
_typer_delay(2500000)
{
set_clock_rate(1000000);
_via.tape.reset(new TapePlayer);
@ -29,6 +32,11 @@ void Machine::configure_as_target(const StaticAnalyser::Target &target)
{
_via.tape->set_tape(target.tapes.front());
}
if(target.loadingCommand.length()) // TODO: and automatic loading option enabled
{
set_typer_for_string(target.loadingCommand.c_str());
}
}
void Machine::set_rom(std::vector<uint8_t> data)
@ -65,12 +73,17 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
*value = _ram[address];
else
{
if(address >= 0x9800) update_video();
if(address >= 0x9800) { update_video(); _typer_delay = 0; }
_ram[address] = *value;
}
}
}
if(_typer && operation == CPU6502::BusOperation::ReadOpcode && address == 0xF495)
{
if(!_typer->type_next_character()) _typer.reset();
}
_via.run_for_cycles(1);
_cycles_since_video_update++;
return 1;
@ -152,6 +165,91 @@ void Machine::run_for_cycles(int number_of_cycles)
CPU6502::Processor<Machine>::run_for_cycles(number_of_cycles);
}
#pragma mark - Automatic typing
bool Machine::typer_set_next_character(::Utility::Typer *typer, char character, int phase)
{
if(!phase) clear_all_keys();
// The following table is arranged in ASCII order
Key key_sequences[][3] = {
{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
{KeyDelete, TerminateSequence},
{NotMapped},
{KeyReturn, TerminateSequence},
{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
{KeySpace, TerminateSequence}, // space
{KeyLeftShift, Key1, TerminateSequence}, {KeyLeftShift, KeyQuote, TerminateSequence}, // !, "
{KeyLeftShift, Key3, TerminateSequence}, {KeyLeftShift, Key4, TerminateSequence}, // #, $
{KeyLeftShift, Key5, TerminateSequence}, {KeyLeftShift, Key7, TerminateSequence}, // %, &
{KeyQuote, TerminateSequence}, {KeyLeftShift, Key9, TerminateSequence}, // ', (
{KeyLeftShift, Key0, TerminateSequence}, {KeyLeftShift, Key8, TerminateSequence}, // ), *
{KeyLeftShift, KeyEquals, TerminateSequence}, {KeyComma, TerminateSequence}, // +, ,
{KeyMinus, TerminateSequence}, {KeyFullStop, TerminateSequence}, // -, .
{KeyForwardSlash, TerminateSequence}, // /
{Key0, TerminateSequence}, {Key1, TerminateSequence}, // 0, 1
{Key2, TerminateSequence}, {Key3, TerminateSequence}, // 2, 3
{Key4, TerminateSequence}, {Key5, TerminateSequence}, // 4, 5
{Key6, TerminateSequence}, {Key7, TerminateSequence}, // 6, 7
{Key8, TerminateSequence}, {Key9, TerminateSequence}, // 8, 9
{KeyLeftShift, KeySemiColon, TerminateSequence}, {KeySemiColon, TerminateSequence}, // :, ;
{KeyLeftShift, KeyComma, TerminateSequence}, {KeyEquals, TerminateSequence}, // <, =
{KeyLeftShift, KeyFullStop, TerminateSequence}, {KeyLeftShift, KeyForwardSlash, TerminateSequence}, // >, ?
{KeyLeftShift, Key2, TerminateSequence}, // @
{KeyLeftShift, KeyA, TerminateSequence}, {KeyLeftShift, KeyB, TerminateSequence}, {KeyLeftShift, KeyC, TerminateSequence}, {KeyLeftShift, KeyD, TerminateSequence}, // A, B, C, D
{KeyLeftShift, KeyE, TerminateSequence}, {KeyLeftShift, KeyF, TerminateSequence}, {KeyLeftShift, KeyG, TerminateSequence}, {KeyLeftShift, KeyH, TerminateSequence}, // E, F, G, H
{KeyLeftShift, KeyI, TerminateSequence}, {KeyLeftShift, KeyJ, TerminateSequence}, {KeyLeftShift, KeyK, TerminateSequence}, {KeyLeftShift, KeyL, TerminateSequence}, // I, J, K L
{KeyLeftShift, KeyM, TerminateSequence}, {KeyLeftShift, KeyN, TerminateSequence}, {KeyLeftShift, KeyO, TerminateSequence}, {KeyLeftShift, KeyP, TerminateSequence}, // M, N, O, P
{KeyLeftShift, KeyQ, TerminateSequence}, {KeyLeftShift, KeyR, TerminateSequence}, {KeyLeftShift, KeyS, TerminateSequence}, {KeyLeftShift, KeyT, TerminateSequence}, // Q, R, S, T
{KeyLeftShift, KeyU, TerminateSequence}, {KeyLeftShift, KeyV, TerminateSequence}, {KeyLeftShift, KeyW, TerminateSequence}, {KeyLeftShift, KeyX, TerminateSequence}, // U, V, W X
{KeyLeftShift, KeyY, TerminateSequence}, {KeyLeftShift, KeyZ, TerminateSequence}, // Y, Z
{KeyOpenSquare, TerminateSequence}, {KeyBackSlash, TerminateSequence}, // [, '\'
{KeyCloseSquare, TerminateSequence}, {KeyLeftShift, Key6, TerminateSequence}, // ], ^
{NotMapped}, {NotMapped}, // _, `
{KeyA, TerminateSequence}, {KeyB, TerminateSequence}, {KeyC, TerminateSequence}, {KeyD, TerminateSequence}, // A, B, C, D
{KeyE, TerminateSequence}, {KeyF, TerminateSequence}, {KeyG, TerminateSequence}, {KeyH, TerminateSequence}, // E, F, G, H
{KeyI, TerminateSequence}, {KeyJ, TerminateSequence}, {KeyK, TerminateSequence}, {KeyL, TerminateSequence}, // I, J, K L
{KeyM, TerminateSequence}, {KeyN, TerminateSequence}, {KeyO, TerminateSequence}, {KeyP, TerminateSequence}, // M, N, O, P
{KeyQ, TerminateSequence}, {KeyR, TerminateSequence}, {KeyS, TerminateSequence}, {KeyT, TerminateSequence}, // Q, R, S, T
{KeyU, TerminateSequence}, {KeyV, TerminateSequence}, {KeyW, TerminateSequence}, {KeyX, TerminateSequence}, // U, V, W X
{KeyY, TerminateSequence}, {KeyZ, TerminateSequence}, // Y, Z
{KeyLeftShift, KeyOpenSquare, TerminateSequence}, {KeyLeftShift, KeyBackSlash, TerminateSequence}, // {, |
{KeyLeftShift, KeyCloseSquare, TerminateSequence}, // }, ~
};
Key *key_sequence = nullptr;
character &= 0x7f;
if(character < sizeof(key_sequences) / sizeof(*key_sequences))
{
key_sequence = key_sequences[character];
if(key_sequence[0] != NotMapped)
{
if(phase)
{
set_key_state(key_sequence[phase-1], true);
return key_sequence[phase] == TerminateSequence;
}
else
return false;
}
}
return true;
}
#pragma mark - The 6522
Machine::VIA::VIA() : MOS::MOS6522<Machine::VIA>(), _cycles_since_ay_update(0) {}

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@ -9,17 +9,18 @@
#ifndef Oric_hpp
#define Oric_hpp
#include "../../Processors/6502/CPU6502.hpp"
#include "../../Components/6522/6522.hpp"
#include "../../Components/AY38910/AY38910.hpp"
#include "../../Storage/Tape/Tape.hpp"
#include "../ConfigurationTarget.hpp"
#include "../CRTMachine.hpp"
#include "../Typer.hpp"
#include "../../Processors/6502/CPU6502.hpp"
#include "../../Components/6522/6522.hpp"
#include "../../Components/AY38910/AY38910.hpp"
#include "Video.hpp"
#include "../../Storage/Tape/Tape.hpp"
#include <cstdint>
#include <vector>
#include <memory>
@ -45,6 +46,8 @@ enum Key: uint16_t {
KeyForwardSlash = 0x0700 | 0x08, Key0 = 0x0700 | 0x04, KeyL = 0x0700 | 0x02, Key8 = 0x0700 | 0x01,
KeyNMI = 0xffff,
TerminateSequence = 0xfffe, NotMapped = 0xfffc
};
class Machine:
@ -52,6 +55,7 @@ class Machine:
public CRTMachine::Machine,
public ConfigurationTarget::Machine,
public MOS::MOS6522IRQDelegate::Delegate,
public Utility::TypeRecipient,
public Storage::Tape::BinaryTapePlayer::Delegate {
public:
@ -83,6 +87,9 @@ class Machine:
// to satisfy Storage::Tape::BinaryTapePlayer::Delegate
void tape_did_change_input(Storage::Tape::BinaryTapePlayer *tape_player);
// for Utility::TypeRecipient
virtual bool typer_set_next_character(Utility::Typer *typer, char character, int phase);
private:
// RAM and ROM
uint8_t _ram[65536], _rom[16384];
@ -98,6 +105,7 @@ class Machine:
uint8_t row;
uint8_t rows[8];
};
int _typer_delay;
// The tape
class TapePlayer: public Storage::Tape::BinaryTapePlayer {

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@ -42,8 +42,8 @@ class TypeRecipient: public Typer::Delegate {
}
protected:
virtual int get_typer_delay() = 0;
virtual int get_typer_frequency() = 0;
virtual int get_typer_delay() { return 0; }
virtual int get_typer_frequency() { return 0; }
std::unique_ptr<Typer> _typer;
};

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@ -24,5 +24,6 @@ void StaticAnalyser::Oric::AddTargets(
target.disks = disks;
target.tapes = tapes;
target.cartridges = cartridges;
target.loadingCommand = "CLOAD\"\"\n";
destination.push_back(target);
}