27 lines
417 B
C
Executable file
27 lines
417 B
C
Executable file
#include "adlib.h"
|
|
|
|
static void adlib_wait(int delay) {
|
|
int i;
|
|
for (i = 0; i < delay; i ++) adlib_read();
|
|
}
|
|
|
|
void adlib_write(int reg, int val) {
|
|
int i;
|
|
outp(0x388, reg);
|
|
adlib_wait(6);
|
|
outp(0x389, val);
|
|
adlib_wait(35);
|
|
}
|
|
|
|
void adlib_reset() {
|
|
int i;
|
|
for (i = 0; i < 0xff; i ++) {
|
|
adlib_write(i, 0);
|
|
}
|
|
}
|
|
|
|
void adlib_init() {
|
|
adlib_reset();
|
|
atexit(adlib_reset);
|
|
}
|