> Either store 44 instead of 43 to TIM64T (which is how the sample code
> from Nick Bensema's original "How To Draw A Playfield" does it, although
> the comments are misleading), or use BPL instead of BNE (which will
> make it wait an extra 64 cycles until the 0 in INTTIM decrements to $FF.)
Be very careful with this. IIRC once the timer expires the RIOT starts
counting the number of cycles since the timer expired. So INTIM will be 0
for 64 CPU cycles, then start counting up from zero, incrementing every CPU
cycle.
Note: For definitive info on the RIOT check the datasheets at
http://www.6502.org/datasheets/6532.zip
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