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-rw-r--r--test/cofftest.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/cofftest.c b/test/cofftest.c
new file mode 100644
index 0000000..77f610f
--- /dev/null
+++ b/test/cofftest.c
@@ -0,0 +1,35 @@
+/*
+ * test source file for assembling to COFF
+ * build with (under DJGPP, for example):
+ * nasm -f coff cofftest.asm
+ * gcc -o cofftest cofftest.c cofftest.o
+ */
+
+#include <stdio.h>
+#include <inttypes.h>
+
+extern int lrotate(int32_t, int);
+extern void greet(void);
+extern int8_t asmstr[];
+extern void *selfptr;
+extern void *textptr;
+extern int integer, commvar;
+
+int main(void)
+{
+
+ printf("Testing lrotate: should get 0x00400000, 0x00000001\n");
+ printf("lrotate(0x00040000, 4) = 0x%08lx\n", lrotate(0x40000, 4));
+ printf("lrotate(0x00040000, 14) = 0x%08lx\n", lrotate(0x40000, 14));
+
+ printf("This string should read `hello, world': `%s'\n", asmstr);
+
+ printf("The integers here should be 1234, 1235 and 4321:\n");
+ integer = 1234;
+ commvar = 4321;
+ greet();
+
+ printf("These pointers should be equal: %p and %p\n", &greet, textptr);
+
+ printf("So should these: %p and %p\n", selfptr, &selfptr);
+}