new version

diff --git a/foo.c b/foo.c
index 0ee91f8d7bd4ac083d55dbc725a81cf0cd54d7d5..e70f5cf65e55cf8dd446b5e9bf24c5b3ead2fdf8 100644 (file)
--- a/foo.c
+++ b/foo.c
@@ -13,7 +13,7 @@ u8 i3;
 u8 x;
 u8 t;
 u8 o;
-void g(int i) {
+void g(void) {
        // g(i, x, t, o) -> t
        u8 tmp;
        ANDI    (t, 0x07)
@@ -24,14 +24,13 @@ void g(int i) {
        SUBI    (t, -8)
        skip:
        t = data[t];
-       t = (i*t) >> o;
+       t = ((i3<<24|i2<<16|i1<<8|i0)*t) >> o;
        AND     (t, x)
        ANDI    (t, 3)
        RET
 };
 
 int main(void) {
-       int i = 0;
        unsigned short n;
        unsigned short s;
        u8 acc;
@@ -45,32 +44,31 @@ int main(void) {
                LDI     (x, 1)
                MOV     (t, n)
                LDI     (o, 12)
-               RCALL   g(i);
+               RCALL   g();
                MOV     (acc, t)
 
                //voice 2:
                MOV     (x, s)
                t = n ^ (i2<<3 | i1>>5);
                LDI     (o, 10)
-               RCALL   g(i);
+               RCALL   g();
                ADD     (acc, t)
 
                //voice 3:
                x = s / 3;
                t = n + ((i3<<13 | i2<<5 | i1>>3) % 3);
                LDI     (o, 10)
-               RCALL   g(i);
+               RCALL   g();
                ADD     (acc, t)
 
                //voice 4:
                x = s / 5;
                t = 8 + n - ((i3<<14 | i2<<6 | i1>>2) % 3);
                LDI     (o, 9)
-               RCALL   g(i);
+               RCALL   g();
                ADD     (acc, t)
 
                putchar(acc<<4);
-               i++;
                #define tmp acc
                LDI     (tmp, 0)
                SUBI    (i0, -1)