Apple-2-Tools
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apple2pi
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Not going to develop this further.

This commit is contained in:
dschmenk 2013-09-13 07:06:30 -07:00
parent 837b6d89c0
commit d6b3d3ff2c
1 changed files with 0 additions and 106 deletions
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106
src/a2tty.c
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@ -1,106 +0,0 @@
#include "a2lib.c"
#include <termios.h>
#define RUN 0
#define STOP 1
int a2cin(int fd, char cin)
{
unsigned char cinpkt[2];
cinpkt[0] = 0x96; // keyboard input
cinpkt[1] = cin;
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, echochr = 0;
int pifd = a2open(argc > 1 ? argv[1] : "127.0.0.1");
if (pifd < 0)
{
perror("Unable to connect to Apple II Pi");
exit(EXIT_FAILURE);
}
/*
* Are we running interactively?
*/
if (isatty(STDIN_FILENO))
{
/*
* Change input setting to work better as a terminal.
*/
tcgetattr(STDIN_FILENO, &oldtio); /* save current port settings */
bzero(&newtio, sizeof(newtio));
newtio.c_cflag = /*BAUDRATE | CRTSCTS |*/ CS8 | CLOCAL | CREAD;
newtio.c_iflag = IGNPAR;
newtio.c_oflag = 0;
newtio.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */
newtio.c_cc[VTIME] = 0; /* inter-character timer unused */
newtio.c_cc[VMIN] = 1; /* blocking read until 1 char received */
tcsetattr(STDIN_FILENO, TCSANOW, &newtio);
/*
* Prepare for select().
*/
echofd = 0;
FD_ZERO(&openset);
FD_SET(pifd, &openset);
FD_SET(STDIN_FILENO, &openset);
/*
* Event loop
*/
while (state == RUN)
{
memcpy(&readset, &openset, sizeof(openset));
if (select(pifd + 1, &readset, NULL, NULL, NULL) > 0)
{
/*
* Apple II character output.
*/
if (FD_ISSET(pifd, &readset))
{
if (read(pifd, iopkt, 2) == 2)
{
/*
* Acknowledgement.
*/
}
else
/*
* Some kind of client/server error.
*/
state = STOP;
}
if (FD_ISSET(STDIN_FILENO, &readset))
{
if (read(STDIN_FILENO, iopkt, 1) == 1)
{
/*
* Chain input character to child.
*/
}
else
/*
* stdin probably closed.
*/
state = STOP;
}
if (FD_ISSET(fdecho, &readset))
{
if (read(STDIN_FILENO, iopkt, 1) == 1)
{
/*
* Send stdout as cin to Apple II.
*/
if (opkt[0] == 0x04) // Ctrl-D
state = STOP;
a2cin(pifd, iopkt[0] | 0x80);
}
}
}
}
}
tcsetattr(STDIN_FILENO, TCSANOW, &oldtio);
a2close(pifd);
return EXIT_SUCCESS;
}