2 pcboot - bootable PC demo/game kernel
3 Copyright (C) 2018 John Tsiombikas <nuclear@member.fsf.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY, without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <https://www.gnu.org/licenses/>.
21 /* returns true (nonzero) if a sound blaster DSP is detected in the ISA bus
22 * and sets the internal base_port so that subsequent calls can find it
26 /* returns 0 for success, non-zero if the DSP isn't responding at the currently
29 int sb_reset_dsp(void);
31 void *sb_buffer(int *size);
33 void sb_set_output_rate(int rate);
35 void sb_start(int rate, int nchan);
37 void sb_continue(void);
40 void sb_volume(int vol);