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05f50a18fd
* extract disp from io * extract screen_disp * working * ... * working * refactor * config
72 lines
1.0 KiB
C++
72 lines
1.0 KiB
C++
#include <Arduino.h>
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#include <memory.h>
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#include <display.h>
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#include <serialio.h>
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#include <filer.h>
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#include <serial_kbd.h>
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#include <serial_dsp.h>
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#include <pia.h>
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#include <timed.h>
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#include "io.h"
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#include "disp.h"
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#include "hardware.h"
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#include "config.h"
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void io::reset() {
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_dsp.reset();
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_kbd.reset();
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_loading = false;
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PIA::reset();
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}
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bool io::start() {
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return files.start();
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}
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void io::load() {
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if (files.more()) {
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_loading = true;
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enter(files.read());
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}
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}
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void io::enter(uint8_t key) {
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PIA::write_ca1(false);
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PIA::write_porta_in(key + 0x80);
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PIA::write_ca1(true);
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}
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void io::write_portb(uint8_t b) {
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b &= 0x7f;
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_dsp.write(b);
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PIA::write_portb(b);
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}
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uint8_t io::read_cra() {
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if (_loading) {
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if (files.more())
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enter(files.read());
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else
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_loading = false;
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} else if (_kbd.available()) {
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int c = _kbd.read();
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if (c != -1)
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enter(c);
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}
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return PIA::read_cra();
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}
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void io::checkpoint(Stream &s) {
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PIA::checkpoint(s);
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_dsp.checkpoint(s);
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}
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void io::restore(Stream &s) {
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PIA::restore(s);
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_dsp.restore(s);
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}
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