1 files changed, 25 insertions, 0 deletions
diff --git a/kernel/rs.s b/kernel/rs.s
new file mode 100644
index 0000000..9f3d4a6
--- /dev/null
+++ b/kernel/rs.s
@@ -0,0 +1,25 @@
+global rs_isr
+extern rs_handler
+extern rsputs
+
+rs_isr:
+  pusha
+  mov ax, ds
+  push ax
+  mov ax, 0x10
+  mov ds, ax
+  mov es, ax
+  mov fs, ax
+  mov gs, ax
+
+  call rs_handler
+  mov al, 0x20
+  out 0x20, al
+
+  pop ax
+  mov ds, ax
+  mov es, ax
+  mov fs, ax
+  mov gs, ax
+  popa
+  iret