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Merge pull request #204 from TomHarte/VicInline
Brings the Vic-20 into line with the new idiom on machine declaration
This commit is contained in:
Thomas Harte
GitHub
commit
bcd7a312a4
File diff suppressed because it is too large
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@ -13,15 +13,7 @@
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#include "../../CRTMachine.hpp"
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#include "../../Typer.hpp"
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#include "../../../Processors/6502/6502.hpp"
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#include "../../../Components/6560/6560.hpp"
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#include "../../../Components/6522/6522.hpp"
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#include "../SerialBus.hpp"
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#include "../1540/C1540.hpp"
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#include "../../../Storage/Tape/Tape.hpp"
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#include "../../../Storage/Disk/Disk.hpp"
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#include <cstdint>
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namespace Commodore {
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namespace Vic20 {
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@ -44,9 +36,8 @@ enum Region {
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PAL
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};
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#define key(line, mask) (((mask) << 3) | (line))
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enum Key: uint16_t {
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#define key(line, mask) (((mask) << 3) | (line))
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Key2 = key(7, 0x01), Key4 = key(7, 0x02), Key6 = key(7, 0x04), Key8 = key(7, 0x08),
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Key0 = key(7, 0x10), KeyDash = key(7, 0x20), KeyHome = key(7, 0x40), KeyF7 = key(7, 0x80),
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KeyQ = key(6, 0x01), KeyE = key(6, 0x02), KeyT = key(6, 0x04), KeyU = key(6, 0x08),
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@ -63,6 +54,7 @@ enum Key: uint16_t {
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KeyI = key(1, 0x10), KeyP = key(1, 0x20), KeyAsterisk = key(1, 0x40), KeyReturn = key(1, 0x80),
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Key1 = key(0, 0x01), Key3 = key(0, 0x02), Key5 = key(0, 0x04), Key7 = key(0, 0x08),
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Key9 = key(0, 0x10), KeyPlus = key(0, 0x20), KeyGBP = key(0, 0x40), KeyDelete = key(0, 0x80),
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#undef key
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};
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enum JoystickInput {
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@ -73,155 +65,31 @@ enum JoystickInput {
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Fire = 0x20
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};
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class UserPortVIA: public MOS::MOS6522<UserPortVIA>, public MOS::MOS6522IRQDelegate {
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public:
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UserPortVIA();
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using MOS6522IRQDelegate::set_interrupt_status;
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uint8_t get_port_input(Port port);
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void set_control_line_output(Port port, Line line, bool value);
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void set_serial_line_state(::Commodore::Serial::Line line, bool value);
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void set_joystick_state(JoystickInput input, bool value);
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void set_port_output(Port port, uint8_t value, uint8_t mask);
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void set_serial_port(std::shared_ptr<::Commodore::Serial::Port> serialPort);
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void set_tape(std::shared_ptr<Storage::Tape::BinaryTapePlayer> tape);
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private:
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uint8_t port_a_;
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std::weak_ptr<::Commodore::Serial::Port> serial_port_;
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std::shared_ptr<Storage::Tape::BinaryTapePlayer> tape_;
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};
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class KeyboardVIA: public MOS::MOS6522<KeyboardVIA>, public MOS::MOS6522IRQDelegate {
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public:
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KeyboardVIA();
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using MOS6522IRQDelegate::set_interrupt_status;
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void set_key_state(uint16_t key, bool isPressed);
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void clear_all_keys();
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// to satisfy MOS::MOS6522
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uint8_t get_port_input(Port port);
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void set_port_output(Port port, uint8_t value, uint8_t mask);
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void set_control_line_output(Port port, Line line, bool value);
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void set_joystick_state(JoystickInput input, bool value);
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void set_serial_port(std::shared_ptr<::Commodore::Serial::Port> serialPort);
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private:
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uint8_t port_b_;
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uint8_t columns_[8];
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uint8_t activation_mask_;
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std::weak_ptr<::Commodore::Serial::Port> serial_port_;
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};
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class SerialPort : public ::Commodore::Serial::Port {
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public:
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void set_input(::Commodore::Serial::Line line, ::Commodore::Serial::LineLevel level);
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void set_user_port_via(std::shared_ptr<UserPortVIA> userPortVIA);
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private:
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std::weak_ptr<UserPortVIA> user_port_via_;
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};
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class Vic6560: public MOS::MOS6560<Vic6560> {
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public:
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inline void perform_read(uint16_t address, uint8_t *pixel_data, uint8_t *colour_data) {
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*pixel_data = video_memory_map[address >> 10] ? video_memory_map[address >> 10][address & 0x3ff] : 0xff; // TODO
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*colour_data = colour_memory[address & 0x03ff];
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}
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uint8_t *video_memory_map[16];
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uint8_t *colour_memory;
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};
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class Machine:
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public CPU::MOS6502::BusHandler,
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public ConfigurationTarget::Machine,
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public CRTMachine::Machine,
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public MOS::MOS6522IRQDelegate::Delegate,
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public Utility::TypeRecipient,
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public Storage::Tape::BinaryTapePlayer::Delegate,
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public ConfigurationTarget::Machine {
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public KeyboardMachine::Machine {
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public:
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Machine();
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~Machine();
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virtual ~Machine();
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void set_rom(ROMSlot slot, size_t length, const uint8_t *data);
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void configure_as_target(const StaticAnalyser::Target &target);
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/// Creates and returns a Vic-20.
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static Machine *Vic20();
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void set_key_state(uint16_t key, bool isPressed) { keyboard_via_->set_key_state(key, isPressed); }
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void clear_all_keys() { keyboard_via_->clear_all_keys(); }
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void set_joystick_state(JoystickInput input, bool isPressed) {
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user_port_via_->set_joystick_state(input, isPressed);
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keyboard_via_->set_joystick_state(input, isPressed);
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}
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/// Sets the contents of the rom in @c slot to the buffer @c data of length @c length.
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virtual void set_rom(ROMSlot slot, size_t length, const uint8_t *data) = 0;
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// TODO: take a std::vector<uint8_t> to collapse length and data.
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void set_memory_size(MemorySize size);
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void set_region(Region region);
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/// Sets the state of joystick input @c input.
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virtual void set_joystick_state(JoystickInput input, bool isPressed) = 0;
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inline void set_use_fast_tape_hack(bool activate) { use_fast_tape_hack_ = activate; }
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/// Sets the memory size of this Vic-20.
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virtual void set_memory_size(MemorySize size) = 0;
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// to satisfy CPU::MOS6502::Processor
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Cycles perform_bus_operation(CPU::MOS6502::BusOperation operation, uint16_t address, uint8_t *value);
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void flush() { mos6560_->flush(); }
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/// Sets the region of this Vic-20.
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virtual void set_region(Region region) = 0;
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// to satisfy CRTMachine::Machine
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virtual void setup_output(float aspect_ratio);
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virtual void close_output();
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virtual std::shared_ptr<Outputs::CRT::CRT> get_crt() { return mos6560_->get_crt(); }
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virtual std::shared_ptr<Outputs::Speaker> get_speaker() { return mos6560_->get_speaker(); }
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virtual void run_for(const Cycles cycles);
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// to satisfy MOS::MOS6522::Delegate
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virtual void mos6522_did_change_interrupt_status(void *mos6522);
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// for Utility::TypeRecipient
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uint16_t *sequence_for_character(Utility::Typer *typer, char character);
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void set_typer_for_string(const char *string);
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// for Tape::Delegate
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virtual void tape_did_change_input(Storage::Tape::BinaryTapePlayer *tape);
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private:
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CPU::MOS6502::Processor<Machine> m6502_;
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uint8_t character_rom_[0x1000];
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uint8_t basic_rom_[0x2000];
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uint8_t kernel_rom_[0x2000];
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uint8_t expansion_ram_[0x8000];
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uint8_t *rom_;
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uint16_t rom_address_, rom_length_;
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uint8_t user_basic_memory_[0x0400];
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uint8_t screen_memory_[0x1000];
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uint8_t colour_memory_[0x0400];
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std::vector<uint8_t> drive_rom_;
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uint8_t *processor_read_memory_map_[64];
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uint8_t *processor_write_memory_map_[64];
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void write_to_map(uint8_t **map, uint8_t *area, uint16_t address, uint16_t length);
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Region region_;
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std::unique_ptr<Vic6560> mos6560_;
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std::shared_ptr<UserPortVIA> user_port_via_;
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std::shared_ptr<KeyboardVIA> keyboard_via_;
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std::shared_ptr<SerialPort> serial_port_;
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std::shared_ptr<::Commodore::Serial::Bus> serial_bus_;
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// Tape
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std::shared_ptr<Storage::Tape::BinaryTapePlayer> tape_;
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bool use_fast_tape_hack_;
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bool is_running_at_zero_cost_;
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// Disk
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std::shared_ptr<::Commodore::C1540::Machine> c1540_;
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void install_disk_rom();
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/// Enables or disables turbo-speed tape loading.
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virtual void set_use_fast_tape_hack(bool activate) = 0;
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};
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}
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@ -18,17 +18,21 @@
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using namespace Commodore::Vic20;
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@implementation CSVic20 {
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Machine _vic20;
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std::unique_ptr<Machine> _vic20;
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BOOL _joystickMode;
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}
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- (CRTMachine::Machine * const)machine { return &_vic20; }
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- (CRTMachine::Machine * const)machine {
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if(!_vic20) {
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_vic20.reset(Commodore::Vic20::Machine::Vic20());
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}
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return _vic20.get();
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}
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- (NSString *)userDefaultsPrefix { return @"vic20"; }
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- (instancetype)init {
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self = [super init];
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if(self)
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{
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if(self) {
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[self setDriveROM:[[NSBundle mainBundle] dataForResource:@"1540" withExtension:@"bin" subdirectory:@"ROMImages/Commodore1540"]];
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[self setBASICROM:[self rom:@"basic"]];
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[self setCountry:CSVic20CountryEuropean];
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@ -36,8 +40,7 @@ using namespace Commodore::Vic20;
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return self;
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}
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- (NSData *)rom:(NSString *)name
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{
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- (NSData *)rom:(NSString *)name {
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return [[NSBundle mainBundle] dataForResource:name withExtension:@"bin" subdirectory:@"ROMImages/Vic20"];
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}
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@ -45,7 +48,7 @@ using namespace Commodore::Vic20;
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- (void)setROM:(nonnull NSData *)rom slot:(ROMSlot)slot {
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@synchronized(self) {
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_vic20.set_rom(slot, rom.length, (const uint8_t *)rom.bytes);
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_vic20->set_rom(slot, rom.length, (const uint8_t *)rom.bytes);
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}
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}
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@ -120,32 +123,26 @@ using namespace Commodore::Vic20;
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// KeyPlus
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// KeyGBP
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if(key == VK_Tab && isPressed)
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{
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if(key == VK_Tab && isPressed) {
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_joystickMode ^= YES;
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}
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@synchronized(self) {
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if(_joystickMode)
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{
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switch(key)
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{
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case VK_UpArrow: _vic20.set_joystick_state(JoystickInput::Up, isPressed); break;
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case VK_DownArrow: _vic20.set_joystick_state(JoystickInput::Down, isPressed); break;
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case VK_LeftArrow: _vic20.set_joystick_state(JoystickInput::Left, isPressed); break;
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case VK_RightArrow: _vic20.set_joystick_state(JoystickInput::Right, isPressed); break;
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case VK_ANSI_A: _vic20.set_joystick_state(JoystickInput::Fire, isPressed); break;
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if(_joystickMode) {
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switch(key) {
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case VK_UpArrow: _vic20->set_joystick_state(JoystickInput::Up, isPressed); break;
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case VK_DownArrow: _vic20->set_joystick_state(JoystickInput::Down, isPressed); break;
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case VK_LeftArrow: _vic20->set_joystick_state(JoystickInput::Left, isPressed); break;
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case VK_RightArrow: _vic20->set_joystick_state(JoystickInput::Right, isPressed); break;
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case VK_ANSI_A: _vic20->set_joystick_state(JoystickInput::Fire, isPressed); break;
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}
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}
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else
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{
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switch(key)
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{
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} else {
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switch(key) {
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default: {
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NSNumber *targetKey = vicKeysByKeys[@(key)];
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if(targetKey)
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{
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_vic20.set_key_state((Key)targetKey.integerValue, isPressed);
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_vic20->set_key_state((Key)targetKey.integerValue, isPressed);
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}
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else
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{
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@ -155,8 +152,8 @@ using namespace Commodore::Vic20;
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case VK_Shift:
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// Yuck
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_vic20.set_key_state(Key::KeyLShift, isPressed);
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_vic20.set_key_state(Key::KeyRShift, isPressed);
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_vic20->set_key_state(Key::KeyLShift, isPressed);
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_vic20->set_key_state(Key::KeyRShift, isPressed);
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break;
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}
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}
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@ -165,7 +162,7 @@ using namespace Commodore::Vic20;
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- (void)clearAllKeys {
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@synchronized(self) {
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_vic20.clear_all_keys();
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_vic20->clear_all_keys();
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}
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}
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@ -174,7 +171,7 @@ using namespace Commodore::Vic20;
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- (void)setUseFastLoadingHack:(BOOL)useFastLoadingHack {
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_useFastLoadingHack = useFastLoadingHack;
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@synchronized(self) {
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_vic20.set_use_fast_tape_hack(useFastLoadingHack ? true : false);
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_vic20->set_use_fast_tape_hack(useFastLoadingHack ? true : false);
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}
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}
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@ -182,8 +179,7 @@ using namespace Commodore::Vic20;
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_country = country;
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NSString *charactersROM, *kernelROM;
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Commodore::Vic20::Region region;
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switch(country)
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{
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switch(country) {
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case CSVic20CountryDanish:
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region = Commodore::Vic20::Region::PAL;
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charactersROM = @"characters-danish";
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@ -212,7 +208,7 @@ using namespace Commodore::Vic20;
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}
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@synchronized(self) {
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_vic20.set_region(region);
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_vic20->set_region(region);
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[self setCharactersROM:[self rom:charactersROM]];
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[self setKernelROM:[self rom:kernelROM]];
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}
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@ -222,9 +218,9 @@ using namespace Commodore::Vic20;
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_memorySize = memorySize;
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@synchronized(self) {
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switch(memorySize) {
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case CSVic20MemorySize5Kb: _vic20.set_memory_size(Commodore::Vic20::Default); break;
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case CSVic20MemorySize8Kb: _vic20.set_memory_size(Commodore::Vic20::ThreeKB); break;
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case CSVic20MemorySize32Kb: _vic20.set_memory_size(Commodore::Vic20::ThirtyTwoKB); break;
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case CSVic20MemorySize5Kb: _vic20->set_memory_size(Commodore::Vic20::Default); break;
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case CSVic20MemorySize8Kb: _vic20->set_memory_size(Commodore::Vic20::ThreeKB); break;
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case CSVic20MemorySize32Kb: _vic20->set_memory_size(Commodore::Vic20::ThirtyTwoKB); break;
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}
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}
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}
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