From 926d13ce558b93eaaa080f2699234a9133654ef2 Mon Sep 17 00:00:00 2001
From: d6 <d_m@plastic-idolatry.com>
Date: Sat, 4 Feb 2023 16:32:59 -0500
Subject: [PATCH] fix term.c

---
 term.c | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

diff --git a/term.c b/term.c
index ba44732..18dffb0 100644
--- a/term.c
+++ b/term.c
@@ -8,26 +8,23 @@ int main(int argc, char **argv) {
         printf("usage: %s ROM\n", argv[0]);
         return 1;
     }
-    char *rom = argv[1];
-    int fdm = -1;
-    setenv("TERM", "ansi", 1);
-    pid_t pid = forkpty(&fdm, NULL, NULL, NULL);
+    char *rom = argv[1]; // find term.rom
+    int fdm = -1; // allocate file descriptor
 
-    if (pid < 0) {
-        // failure
+    // allocate a pty, fork, inititialize file descriptor
+    pid_t pid = forkpty(&fdm, NULL, NULL, NULL); 
+
+    if (pid < 0) { // failure
         printf("fork failed");
         return 1;
-    } else if (pid == 0) {
-        // child
-        setsid();
-        execlp("bash", "bash");
-    } else {
-        // parent
-        // rows, cols, xpixels, ypixels (little endian)
-        char argp[] = {23, 0, 80, 0, 8, 0, 12, 0};
-        ioctl(fdm, TIOCSWINSZ, argp);
-        dup2(fdm, 0);
-        dup2(fdm, 1);
-        execlp("uxnemu", "uxnemu", rom);
+    } else if (pid == 0) { // child
+        setenv("TERM", "ansi", 1);
+        execlp("bash", "bash", NULL); // exec bash 
+    } else { // parent
+        struct winsize ws = {23, 80, 8, 12}; // rows, cols, xps, ypx
+        ioctl(fdm, TIOCSWINSZ, &ws); // set term window size
+        dup2(fdm, 0); // use fdm for stdin
+        dup2(fdm, 1); // use fdm for stdout
+        execlp("uxnemu", "uxnemu", rom, NULL); // exec uxnemu
     }
 }