Apple-2-Tools/apple2pi
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Stability fixes

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Really fixed phantom read when write to ACIA
This commit is contained in:
dschmenk 2013-08-25 15:04:20 -07:00
parent 52724404bb
commit 602b84ca62
3 changed files with 251 additions and 209 deletions
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src/A2PI.PO
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54
src/a2term.c
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@ -8,16 +8,14 @@ int a2cin(int fd, char cin)
unsigned char cinpkt[2];
cinpkt[0] = 0x96; // keyboard input
cinpkt[1] = cin;
write(fd, cinpkt, 2);
read(fd, cinpkt, 2);
return (cinpkt[0] == 0x9E);
return (write(fd, cinpkt, 2));
}
int main(int argc, char **argv)
{
struct termios oldtio,newtio;
fd_set readset, openset;
unsigned char iopkt[2];
int state = RUN;
int state = RUN, cin = 0;
int pifd = a2open(argc > 1 ? argv[1] : "127.0.0.1");
if (pifd < 0)
{
@ -63,6 +61,16 @@ int main(int argc, char **argv)
putchar('\n');
fflush(stdout);
}
else if (iopkt[0] == 0x9E)
{
if (iopkt[1] == cin)
cin = 0;
else
{
fprintf(stderr, "\nInput character mismatch!\n");
state = STOP;
}
}
}
}
if (FD_ISSET(STDIN_FILENO, &readset))
@ -70,9 +78,43 @@ int main(int argc, char **argv)
if (read(STDIN_FILENO, iopkt, 1) == 1)
{
if (iopkt[0] == 0x1B)
{
if (read(STDIN_FILENO, iopkt, 1) == 1)
{
if (iopkt[0] == 0x5B && read(STDIN_FILENO, iopkt, 1) == 1)
{
switch (iopkt[0])
{
case 0x44: // left arrow
iopkt[0] = 0x88;
break;
case 0x43: // right arrow
iopkt[0] = 0x95;
break;
case 0x42: // down arrow
iopkt[0] = 0x8A;
break;
case 0x41: // up arrow
iopkt[0] = 0x9B;
break;
default:
iopkt[0] = 0xA0;
}
}
else if (iopkt[0] == 'q' || iopkt[0] == 'Q')
state = STOP;
else
a2cin(pifd, iopkt[0] | 0x80);
}
}
else if (iopkt[0] == 0x7F)
iopkt[0] = 0x88;
if (cin == 0)
{
cin= iopkt[0] | 0x80;
a2cin(pifd, cin);
}
/*
* else drop the character!
*/
}
}
}