111 lines
1.7 KiB
C++
111 lines
1.7 KiB
C++
#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string>
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#include <string.h>
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#include "console.h"
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#include "gen.h"
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#include "utils.h"
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console::console(std::atomic_bool *const terminate, bus *const b) :
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terminate(terminate),
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b(b)
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{
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memset(screen_buffer, ' ', sizeof screen_buffer);
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}
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console::~console()
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{
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}
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bool console::poll_char()
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{
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return input_buffer.empty() == false;
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}
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uint8_t console::get_char()
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{
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if (input_buffer.empty())
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return 0x00;
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char c = input_buffer.at(0);
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input_buffer.erase(input_buffer.begin() + 0);
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return c;
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}
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void console::debug(const std::string fmt, ...)
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{
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char *buffer = nullptr;
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va_list ap;
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va_start(ap, fmt);
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int len = vasprintf(&buffer, fmt.c_str(), ap);
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va_end(ap);
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for(int i=0; i<len; i++)
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put_char(buffer[i]);
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free(buffer);
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}
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void console::put_char(const char c)
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{
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put_char_ll(c);
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if (c == 0) {
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}
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else if (c == 13)
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tx = 0;
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else if (c == 10)
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ty++;
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else {
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screen_buffer[ty][tx++] = c;
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if (tx == t_width) {
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tx = 0;
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ty++;
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}
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}
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if (ty == t_height) {
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memmove(&screen_buffer[0], &screen_buffer[1], sizeof(char) * t_width * (t_height - 1));
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ty--;
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memset(screen_buffer[t_height - 1], ' ', t_width);
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}
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}
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void console::put_string_ll(const std::string & what)
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{
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for(size_t x=0; x<what.size(); x++)
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put_char_ll(what.at(x));
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}
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void console::operator()()
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{
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D(fprintf(stderr, "Console thread started\n");)
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while(!*terminate) {
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int c = wait_for_char(500);
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if (c == -1)
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continue;
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if (c == 3) // ^c
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*terminate = true;
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else if (c == 12) // ^l
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refresh_virtual_terminal();
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else
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input_buffer.push_back(c);
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}
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D(fprintf(stderr, "Console thread terminating\n");)
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}
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