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Implemented Utility::Typer for the Electron. So that now also receives pastes.
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Thomas Harte
parent
ee050d71ec
commit
05cb47709e
@ -447,6 +447,8 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
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update_audio();
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_tape.run_for_cycles(cycles);
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if(_typer) _typer->update(cycles);
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return cycles;
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}
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@ -1051,3 +1053,98 @@ inline void Tape::run_for_cycles(unsigned int number_of_cycles)
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}
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}
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}
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#pragma mark - Typer
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int Machine::get_typer_delay()
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{
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return get_reset_line() ? 4*625*25*128 : 0; // wait four seconds if resetting
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}
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int Machine::get_typer_frequency()
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{
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return 625*128; // accept a new character every frame
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}
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bool Machine::typer_set_next_character(::Utility::Typer *typer, char character, int phase)
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{
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if(!phase) clear_all_keys();
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// The following table is arranged in ASCII order
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Key key_sequences[][3] = {
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{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
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{KeyDelete, TerminateSequence},
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{NotMapped},
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{KeyReturn, TerminateSequence},
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{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
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{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
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{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
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{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
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{NotMapped}, {NotMapped}, {NotMapped}, {NotMapped},
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{KeySpace, TerminateSequence}, // space
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{KeyShift, Key1, TerminateSequence}, {KeyShift, Key2, TerminateSequence}, // !, "
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{KeyShift, Key3, TerminateSequence}, {KeyShift, Key4, TerminateSequence}, // #, $
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{KeyShift, Key5, TerminateSequence}, {KeyShift, Key6, TerminateSequence}, // %, &
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{KeyShift, Key7, TerminateSequence}, {KeyShift, Key8, TerminateSequence}, // ', (
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{KeyShift, Key9, TerminateSequence}, {KeyShift, KeyColon, TerminateSequence}, // ), *
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{KeyShift, KeySemiColon, TerminateSequence}, {KeyComma, TerminateSequence}, // +, ,
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{KeyMinus, TerminateSequence}, {KeyFullStop, TerminateSequence}, // -, .
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{KeySlash, TerminateSequence}, // /
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{Key0, TerminateSequence}, {Key1, TerminateSequence}, // 0, 1
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{Key2, TerminateSequence}, {Key3, TerminateSequence}, // 2, 3
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{Key4, TerminateSequence}, {Key5, TerminateSequence}, // 4, 5
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{Key6, TerminateSequence}, {Key7, TerminateSequence}, // 6, 7
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{Key8, TerminateSequence}, {Key9, TerminateSequence}, // 8, 9
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{KeyColon, TerminateSequence}, {KeySemiColon, TerminateSequence}, // :, ;
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{KeyShift, KeyComma, TerminateSequence}, {KeyShift, KeyMinus, TerminateSequence}, // <, =
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{KeyShift, KeyFullStop, TerminateSequence}, {KeyShift, KeySlash, TerminateSequence}, // >, ?
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{NotMapped}, // @
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{KeyA, TerminateSequence}, {KeyB, TerminateSequence}, {KeyC, TerminateSequence}, {KeyD, TerminateSequence}, // A, B, C, D
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{KeyE, TerminateSequence}, {KeyF, TerminateSequence}, {KeyG, TerminateSequence}, {KeyH, TerminateSequence}, // E, F, G, H
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{KeyI, TerminateSequence}, {KeyJ, TerminateSequence}, {KeyK, TerminateSequence}, {KeyL, TerminateSequence}, // I, J, K L
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{KeyM, TerminateSequence}, {KeyN, TerminateSequence}, {KeyO, TerminateSequence}, {KeyP, TerminateSequence}, // M, N, O, P
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{KeyQ, TerminateSequence}, {KeyR, TerminateSequence}, {KeyS, TerminateSequence}, {KeyT, TerminateSequence}, // Q, R, S, T
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{KeyU, TerminateSequence}, {KeyV, TerminateSequence}, {KeyW, TerminateSequence}, {KeyX, TerminateSequence}, // U, V, W X
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{KeyY, TerminateSequence}, {KeyZ, TerminateSequence}, // Y, Z
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{NotMapped}, {KeyControl, KeyRight, TerminateSequence}, // [, '\'
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{NotMapped}, {KeyShift, KeyLeft, TerminateSequence}, // ], ^
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{KeyShift, KeyDown, TerminateSequence}, {NotMapped}, // _, `
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{KeyShift, KeyA, TerminateSequence}, {KeyShift, KeyB, TerminateSequence}, {KeyShift, KeyC, TerminateSequence}, {KeyShift, KeyD, TerminateSequence}, // a, b, c, d
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{KeyShift, KeyE, TerminateSequence}, {KeyShift, KeyF, TerminateSequence}, {KeyShift, KeyG, TerminateSequence}, {KeyShift, KeyH, TerminateSequence}, // e, f, g, h
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{KeyShift, KeyI, TerminateSequence}, {KeyShift, KeyJ, TerminateSequence}, {KeyShift, KeyK, TerminateSequence}, {KeyShift, KeyL, TerminateSequence}, // i, j, k, l
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{KeyShift, KeyM, TerminateSequence}, {KeyShift, KeyN, TerminateSequence}, {KeyShift, KeyO, TerminateSequence}, {KeyShift, KeyP, TerminateSequence}, // m, n, o, p
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{KeyShift, KeyQ, TerminateSequence}, {KeyShift, KeyR, TerminateSequence}, {KeyShift, KeyS, TerminateSequence}, {KeyShift, KeyT, TerminateSequence}, // q, r, s, t
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{KeyShift, KeyU, TerminateSequence}, {KeyShift, KeyV, TerminateSequence}, {KeyShift, KeyW, TerminateSequence}, {KeyShift, KeyX, TerminateSequence}, // u, v, w, x
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{KeyShift, KeyY, TerminateSequence}, {KeyShift, KeyZ, TerminateSequence}, // y, z
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{KeyControl, KeyUp, TerminateSequence}, {KeyShift, KeyRight, TerminateSequence}, // {, |
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{KeyControl, KeyDown, TerminateSequence}, {KeyControl, KeyLeft, TerminateSequence}, // }, ~
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};
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Key *key_sequence = nullptr;
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character &= 0x7f;
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if(character < sizeof(key_sequences) / sizeof(*key_sequences))
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{
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key_sequence = key_sequences[character];
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if(key_sequence[0] != NotMapped)
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{
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if(phase > 0)
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{
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set_key_state(key_sequence[phase-1], true);
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return key_sequence[phase] == TerminateSequence;
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}
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else
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return false;
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}
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}
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return true;
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}
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@ -11,8 +11,11 @@
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#include "../../Processors/6502/CPU6502.hpp"
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#include "../../Storage/Tape/Tape.hpp"
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#include "../CRTMachine.hpp"
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#include <stdint.h>
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#include "../Typer.hpp"
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#include <cstdint>
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namespace Electron {
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@ -54,7 +57,9 @@ enum Key: uint16_t {
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KeyZ = 0x00c0 | 0x08, KeyA = 0x00c0 | 0x04, KeyQ = 0x00c0 | 0x02, Key1 = 0x00c0 | 0x01,
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KeyShift = 0x00d0 | 0x08, KeyControl = 0x00d0 | 0x04, KeyFunc = 0x00d0 | 0x02, KeyEscape = 0x00d0 | 0x01,
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KeyBreak = 0xffff
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KeyBreak = 0xffff,
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TerminateSequence = 0, NotMapped = 0xfffe,
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};
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class Tape {
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@ -141,10 +146,13 @@ class Speaker: public ::Outputs::Filter<Speaker> {
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@discussion An instance of Electron::Machine represents the current state of an
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Acorn Electron.
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*/
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class Machine: public CPU6502::Processor<Machine>, public CRTMachine::Machine, Tape::Delegate {
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class Machine:
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public CPU6502::Processor<Machine>,
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public CRTMachine::Machine,
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Tape::Delegate,
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public Utility::TypeRecipient {
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public:
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Machine();
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void set_rom(ROMSlot slot, size_t length, const uint8_t *data);
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@ -170,6 +178,11 @@ class Machine: public CPU6502::Processor<Machine>, public CRTMachine::Machine, T
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// to satisfy Tape::Delegate
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virtual void tape_did_change_interrupt_status(Tape *tape);
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// for Utility::TypeRecipient
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virtual int get_typer_delay();
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virtual int get_typer_frequency();
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virtual bool typer_set_next_character(Utility::Typer *typer, char character, int phase);
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private:
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inline void update_display();
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