#ifndef __SDC51_STDARG_H
#define __SDC51_STDARG_H 1
-#if defined(SDCC_STACK_TENBIT)
+#if defined(__z80) || defined(__gbz80) || defined(__hc08)
-#error Foo!
+typedef unsigned char * va_list;
+#define va_start(list, last) list = (unsigned char *)&last + sizeof(last)
+#define va_arg(list, type) *((type *)((list += sizeof(type)) - sizeof(type)))
-typedef unsigned char _xdata * va_list ;
-#define va_arg(marker,type) *((type _xdata * )(marker -= sizeof(type)))
-#define va_start(marker,first) { marker = (va_list) ((char _xdata * )&first) ; }
+#elif defined(__ds390) || defined(__ds400)
+
+typedef unsigned char * va_list ;
+#define va_arg(marker,type) *((type *)(marker -= sizeof(type)))
+#define va_start(marker,first) { marker = &first; }
#elif defined(SDCC_USE_XSTACK)
-typedef unsigned char _pdata * va_list ;
-#define va_arg(marker,type) *((type _data * )(marker -= sizeof(type)))
-#define va_start(marker,first) { marker = (va_list) ((char _pdata * )&first) ; }
+typedef unsigned char pdata * va_list ;
+#define va_arg(marker,type) *((type data *)(marker -= sizeof(type)))
+#define va_start(marker,first) { marker = (va_list)((char pdata *)&first); }
#else
-typedef unsigned char _data * va_list ;
-#define va_arg(marker,type) *((type _data * )(marker -= sizeof(type)))
-#define va_start(marker,first) { marker = (va_list) ((char _data * )&first) ; }
+typedef unsigned char data * va_list ;
+#define va_arg(marker,type) *((type data * )(marker -= sizeof(type)))
+#define va_start(marker,first) { marker = (va_list) ((char data * )&first); }
#endif