1 files changed, 43 insertions, 0 deletions
diff --git a/sw/z80/crt0.s.old b/sw/z80/crt0.s.old
new file mode 100644
index 0000000..f3bf8e8
--- /dev/null
+++ b/sw/z80/crt0.s.old
@@ -0,0 +1,43 @@
+    .module crt0
+    .globl  _main
+
+    .area _HEADER (ABS)
+;; reset vector
+    .org 0x0000 
+    jp    init
+    
+    .org 0x0100
+
+init:
+;; Stack at the top of memory.
+    ld    sp,#0xffff                
+
+    ;; initialise global variables
+    call gsinit
+    call _main
+    jp   _exit
+
+    ;; Ordering of segments for the linker.
+    .area _HOME
+    .area _CODE
+    .area     _GSINIT
+    .area     _GSFINAL
+
+    .area _DATA
+    .area     _BSS
+    .area     _HEAP
+
+    .area     _CODE
+__clock::
+    ret
+    
+_exit::
+    ret
+    
+    .area     _GSINIT
+
+gsinit::    
+
+.area _GSFINAL
+    ret
+