124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
#include "zx_system.h"
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#include "z80.h"
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#include "zx_mem.h"
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#include "zx_ula.h"
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#include "zx_screen.h"
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#include "zx_tape.h"
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#include "zx_speaker.h"
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#include "ay-3-8912.h"
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#include "zx_disk.h"
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#include <vector>
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namespace zx_system
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{
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bool resetting = true;
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bool shutting_down = false;
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uint8_t current_mode = ZX_48K;
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uint8_t new_mode = ZX_48K;
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std::vector<void(*)(uint32_t)> updatables;
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int init(const uint8_t mode)
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{
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updatables.clear();
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z80::clearPorts();
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resetting = false;
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switch(mode)
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{
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case ZX_NOCHANGE:
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{
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z80::reset();
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break;
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}
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case ZX_48K:
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{
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const uint32_t clock = 3500000;
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z80::init(clock);
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z80::connect_port(0xfe, 0x0001, zx_ula::port_in, zx_ula::port_out);
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mem::init(ZX_48K);
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zxscreen::init(SCREEN_MODE_48K);
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speaker::init();
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speaker::register_source(zx_ula::get_sample);
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registerUpdatable(zx_tape::update);
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registerUpdatable(speaker::update);
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//registerUpdatable(zxscreen::refresh);
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return clock / 10;
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break;
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}
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case ZX_128K:
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{
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const uint32_t clock = 3546900;
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z80::init(clock);
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z80::connect_port(0xfe, 0x0001, zx_ula::port_in, zx_ula::port_out);
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mem::init(ZX_128K);
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zxscreen::init(SCREEN_MODE_128K);
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audio::init();
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speaker::init();
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speaker::register_source(zx_ula::get_sample);
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speaker::register_source(audio::get_sample);
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registerUpdatable(zx_tape::update);
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registerUpdatable(audio::update);
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registerUpdatable(speaker::update);
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//registerUpdatable(zxscreen::refresh);
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return clock / 10;
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break;
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}
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case ZX_PLUS3:
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{
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const uint32_t clock = 3546900;
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z80::init(clock);
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z80::connect_port(0xfe, 0x0001, zx_ula::port_in, zx_ula::port_out);
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mem::init(ZX_PLUS3);
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zxscreen::init(SCREEN_MODE_128K);
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audio::init();
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speaker::init();
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speaker::register_source(zx_ula::get_sample);
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speaker::register_source(audio::get_sample);
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zx_disk::init();
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registerUpdatable(zx_tape::update);
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registerUpdatable(audio::update);
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registerUpdatable(speaker::update);
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//registerUpdatable(zxscreen::refresh);
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return clock / 10;
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break;
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}
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}
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return 0;
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}
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void reset(const uint8_t mode)
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{
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new_mode = mode;
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resetting = true;
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}
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void shutdown()
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{
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shutting_down = true;
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}
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const bool shuttingDown()
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{
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if (resetting) init(new_mode);
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return shutting_down;
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}
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void registerUpdatable(void(*callback)(uint32_t))
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{
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updatables.push_back(callback);
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}
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void update(uint32_t dt)
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{
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for (auto& call : updatables) call(dt);
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}
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}
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