diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/smi_501.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/src/smi_501.c b/src/smi_501.c index 7f2bbc5..99bbcdb 100644 --- a/src/smi_501.c +++ b/src/smi_501.c @@ -431,18 +431,11 @@ SMI501_FindPLLClock(double clock, int32_t *m, int32_t *n, int32_t *xclck) */ best = 0x7fffffff; - /* FIXME: The 12 multiplier was a wild guess (but it doesn't work with - * a 14 modifier, i.e. 288 works, but not 336), and actually it corrects - * the "flicker" on the panel, and will properly display output on a - * secondary panel/crt. - * So, should bug SMI about incorrect (non official) information, and - * also ask for better definition of K... - */ - frequency = 12 * 24 * 1000.0; + frequency = 24 * 1000; for (N = 2; N <= 24; N++) { for (K = 1; K <= 2; K++) { M = (clock * K) / frequency * N; - diff = (frequency * M / N) - (clock * K); + diff = ((int32_t)(frequency * M) / N) - (clock * K); /* Ensure M is larger then 0 and fits in 7 bits */ if (M > 0 && M < 0x80 && fabs(diff) < best) { *m = M; |