1 files changed, 18 insertions, 0 deletions
diff --git a/sw/z80/loader.asm b/sw/z80/loader.asm
new file mode 100644
index 0000000..85f5abe
--- /dev/null
+++ b/sw/z80/loader.asm
@@ -0,0 +1,18 @@
+; C crt0 loader
+;
+    module crt0
+
+; general scope declarations
+    extern _main    ; C code
+
+; startup code
+    org 0000h ; reset vector
+    jp _start
+
+_start:
+    ld sp, 0xffff
+    call _main
+    jp _exit
+
+_exit:
+    ret