oh dear--where to begin..

"how many chips does it have,and the power consumption is ?"
Its an 8051 derivate (20 pin case), working with minimal
a crystal and 3 caps at about 5..20mA (at 3..6V).
It has 2kB Flash and 128B RAM, enough for a wide range of
applications. "

no-the sinclair zx80 computer--how many chips...
you can not say...or do same with 8052.which is apple?


don't know about you,but a "full plate" is better than a snack
and you do not leave the table hungry.

what 8052 code to call two subrotine if parity even/odd?
or 16 bit operations?
where is any conditional call?

"clever code writer can write his own "instructions".. "
Self modified code, how terrible !
You can do it also on the 8051 with external code-RAM.
But I know no C-compiler, which generate such code. "

you don't understand---your own instruction sequences with the
following bytes (after the restart) as variables or whatever..kinda
like a macro but not really...

the aduc812 would be a better (software/hardware) machine with
a z80 core.