2 files changed, 7 insertions, 1 deletions
diff --git a/src/isr.c b/src/isr.c
index c94d37e..b89ecd2 100644
--- a/src/isr.c
+++ b/src/isr.c
@@ -9,7 +9,10 @@
 __attribute__((interrupt)) void
 abort_handler(struct interrupt_frame *frame)
 {
-  printf("abort\n");
+  printf("system abort\n");
+  printf("ip: %x cs=%x\n", frame->ip, frame->cs);
+  printf("sp: %x ss=%x\n", frame->sp, frame->ss);
+  printf("flags: %x\n", frame->flags);
   abort();
 }
 
diff --git a/src/kernel.c b/src/kernel.c
index f7f9d6d..ffa8814 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -17,6 +17,9 @@ void kmain() {
   if (uart_init(COM1) != 0) printf("UART self-test failed.\r\n");
 
   printf("hello %s world\n", "kernel");
+  printf("we are number %d\n", 1);
+  printf("a negative %d as hex %x\n", -1, -1);
+  printf("hex 255=0x%x\n", 255);
 
   vga_init(vmm_map(0xb8000, 0xc03ff000));