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Chris
2026-02-04 20:51:17 +01:00
commit ddac1a791e
132 changed files with 11491 additions and 0 deletions
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16
src/kernel/cli_apps/beep.c Normal file
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#include "cli_utils.h"
#include "io.h"
void cli_cmd_beep(char *args) {
(void)args;
cli_write("BEEP!\n");
outb(0x43, 0xB6);
int freq = 1000;
int div = 1193180 / freq;
outb(0x42, div & 0xFF);
outb(0x42, (div >> 8) & 0xFF);
outb(0x61, inb(0x61) | 0x03);
cli_delay(10000000);
outb(0x61, inb(0x61) & 0xFC);
}