cpu-z80: introduce used() macro

SDCC wants the reverse behaviour to everyone else

diff --git a/Kernel/cpu-z80/cpu.h b/Kernel/cpu-z80/cpu.h
index 8cab861..2d41d26 100644 (file)
--- a/Kernel/cpu-z80/cpu.h
+++ b/Kernel/cpu-z80/cpu.h
@@ -59,6 +59,8 @@ typedef union {            /* this structure is endian dependent */
 #define VIDEO
 #define DISCARD
 
+/* SDCC is arsy about unused parameters */
+#define used(x)        x
 /* No fastcall in SDCC */
 #define __fastcall__