wip: support array iterators

fkokosinski · Jun 8, 2024 · 18511de · 18511de
1 parent f732099
commit 18511de
Show file tree

Hide file tree

Showing 3 changed files with 17 additions and 3 deletions.
diff --git a/c-print-array/main.c b/c-print-array/main.c
@@ -2,17 +2,31 @@ static void putc(int);
 static int get_char(int);
 
 static int x[] = {027, 030, 031};
+static int i = 0;
 
 void _start(void)
 {
-	asm ("law 04000");
+	/* TODO: handle sp/fp init better -- separate crt0.S? */
+	asm ("law 03000");
 	asm ("dac 209");
+	asm ("law 04000");
 	asm ("dac 208");
 
+	/* check with no iterators */
 	putc(x[0]);
 	putc(x[1]);
 	putc(x[2]);
 
+	/* check with global iterator */
+	for (i = 0; i != 3; i++)
+		putc(x[i]);
+
+	/* check with local iterator w/ func call */
+	for (int j = 0; j != 3; j++)
+		putc(x[j]);
+
+	/* TODO: check with local iterator w/o func call */
+
 	asm ("hlt");
 	__builtin_unreachable();
 }

diff --git a/pdp1-binutils b/pdp1-binutils
diff --git a/tests/test.exp b/tests/test.exp
@@ -26,5 +26,5 @@ run_test "asm-print-x" "x"
 run_test "asm-hello-world" "hello, world"
 run_test "c-print-x" "xx"
 run_test "c-print-struct" "xyz"
-run_test "c-print-array" "xyz"
+run_test "c-print-array" "xyzxyzxyz"
 run_test "c-print-for-loop" "xxxxyxxx"