new version

diff --git a/foo.c b/foo.c
index 52cb6fa..f227598 100644 (file)
--- a/foo.c
+++ b/foo.c
@@ -17,9 +17,10 @@ u8 o;
 u8 _;
 #define Mh o //mod3 vars
 #define Ml t // -"-
-void mod3(void) { //avail: t, o _
 //http://homepage.divms.uiowa.edu/~jones/bcd/mod.shtml
-    #define tmp _
+void mod3(void) {
+       // mod3(Mh.Ml) -> t
+       #define tmp _
        ADD     (Ml, Mh)
        CLR     (Mh)
        ADC     (Mh, zero, carry) //Mh only holds the carry bit
@@ -40,8 +41,8 @@ void mod3(void) { //avail: t, o _
        LSR     (tmp)
        ANDI    (Ml, 0x03)
        ADD     (Ml, tmp)
-    if (Ml > 2) Ml = Ml - 3;
-    #undef tmp
+       if (Ml > 2) Ml = Ml - 3; //TODO
+       #undef tmp
 }
 void g(void) {
        // g(i, x, t, o) -> t