From: Maciej Witkowiak (ytm_at_elysium.pl)
Date: 2004-05-03 19:21:21
Spiro Trikaliotis dnia 03 maj 2004 o 18:41 +0200 napisal: Sorry, I haven't followed the thread. Please ignore if this is irrelevant. > The 6522/6526 timers are counters which count PHI2 pulses. I need to > count my own, "custom" pulses. Possibly, I could feed PHI2 with the > clock I need to count, but I'm not sure. What about using CNT line of 6526? You can setup 6526 to use that line instead of system clock to drive timers. > If the counter should count up or down depends on the status of another > input line. The is, whenever a clock pulse comes in, the states of the > other line determines if this clock pulse is meant to increment or > decrement the counter. I need the absolute value afterwards. If there were two 6526 one of them could count only positive and the other one only negative numbers. ytm Message was sent through the cbm-hackers mailing list
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