conserve 6 bytes of progmem

replace NOPs in intr.vector with useful instructions

diff --git a/foo.S b/foo.S
index 6ea9716..e426ebf 100644 (file)
--- a/foo.S
+++ b/foo.S
@@ -40,6 +40,9 @@ FLASHM = 0x4000
 
 .section .text
 .org 0x0000 ; RESET interrupt
+       CLR     i0
+       CLR     i1
+       CLR     i2
        RJMP    main
 .org 0x0008 ; TIM0_OVF interrupt
        RJMP    sample
@@ -240,9 +243,7 @@ g: ; g(i, t) -> t
        RET ; TODO: replace CALL/RET with IJMP?
 
 main: ; setup routine
-       CLR     i0
-       CLR     i1
-       CLR     i2
+       ; NOTE: clr i0..i2 moved to .ord 0x0
        CLR     i3
        CLR     acc ; we output a dummy sample before the actual first one
        LDI     Xhi, hi8(FLASHM + notes) ; never changes