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neillsimplescreen.c
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neillsimplescreen.c
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/*
Simple attempt to use colour, clear screen etc.
Will only work on ANSI compliant terminals :
https://en.wikipedia.org/wiki/ANSI_escape_code
such as xterm, WSL etc.
*/
#include "neillsimplescreen.h"
/* Issue ANSI Codes to clear screen */
void neillclrscrn(void)
{
printf("\033[2J");
}
/* Issue ANSI Codes to move cursor home */
void neillcursorhome(void)
{
printf("\033[H");
}
/* Issue ANSI Codes change foreground colour */
void neillfgcol(const neillcol c)
{
printf("\033[%dm", c);
}
/* Issue ANSI Codes to change background colour */
void neillbgcol(const neillcol c)
{
neillfgcol(c+BACKGROUND);
}
/* Issue ANSI Codes to reset text/colour styles */
/* Equivalent to running the command 'reset' in the terminal */
void neillreset(void)
{
printf("\033[0m");
}
/* May the coding Gods forgive this code
You really want to give time to other
processes, rather than sit in a busy loop */
void neillbusywait(const double secs)
{
clock_t t2;
const clock_t t1 = clock();
do{
t2 = clock();
}while((t2-t1) < (clock_t)((double)CLOCKS_PER_SEC*secs));
}