add dummy irq.s

diff --git a/libsrc/atari5200/irq.s b/libsrc/atari5200/irq.s
new file mode 100644 (file)
index 0000000..2acab18
--- /dev/null
+++ b/libsrc/atari5200/irq.s
@@ -0,0 +1,14 @@
+;
+; IRQ handling (ATARI 5200 version)
+;
+
+        .export         initirq, doneirq
+        .import         callirq
+
+        .include        "atari5200.inc"
+
+; Dummy versions for now
+
+initirq:
+doneirq:
+        rts