Posted By
Litwr
on 2020-11-05
16:12:10
|  Re: ASCII Art Mandelbrot
@Csabo Interrupt disabling disables TI too, so how can we check timings without them? It is odd that popular home computers produced in the SU didn't have timer support in system software - it was a large drawback. However your observation is interesting, the 3% means about 800 cycles per interrupt. Maybe it is possible to optimize interrupt handler routine, the 800 seems too much.
IMHO SSHAPE is made so slow intentionally, they didn't want sprites on the C+4.  Marketing is a crazy thing.
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