etc
/
furnace
mirror of https://github.com/tildearrow/furnace.git
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

fix Ubuntu build

This commit is contained in:
tildearrow 2022-06-03 01:40:09 -05:00
parent 3aef4b2ede
commit 94dae570e0
1 changed files with 21 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/engine/platform/pcspkr.cpp
View File

@ -107,25 +107,39 @@ void DivPlatformPCSpeaker::pcSpeakerThread() {
bOut=0;
if (r.val==0) {
lseek(beepFD,0x61,SEEK_SET);
read(beepFD,&bOut,1);
if (read(beepFD,&bOut,1)<1) {
perror("read from 0x61");
}
bOut&=(~3);
lseek(beepFD,0x61,SEEK_SET);
write(beepFD,&bOut,1);
if (write(beepFD,&bOut,1)<1) {
perror("write to 0x61");
}
} else {
lseek(beepFD,0x43,SEEK_SET);
bOut=0xb6;
write(beepFD,&bOut,1);
if (write(beepFD,&bOut,1)<1) {
perror("write to 0x43");
}
lseek(beepFD,0x42,SEEK_SET);
bOut=r.val&0xff;
write(beepFD,&bOut,1);
if (write(beepFD,&bOut,1)<1) {
perror("write to 0x42");
}
lseek(beepFD,0x42,SEEK_SET);
bOut=r.val>>8;
write(beepFD,&bOut,1);
if (write(beepFD,&bOut,1)<1) {
perror("write to 0x42");
}
lseek(beepFD,0x61,SEEK_SET);
read(beepFD,&bOut,1);
if (read(beepFD,&bOut,1)<1) {
perror("read from 0x61");
}
bOut|=3;
lseek(beepFD,0x61,SEEK_SET);
write(beepFD,&bOut,1);
if (write(beepFD,&bOut,1)<1) {
perror("write to 0x61");
}
}
break;
}