Advantages of Stack architecture.
Context
switching for interrupts takes essentially zero time
Does not
need to be pipelined for ALU and operands, because the operands are
immediately available in the top of stack
Code
is smaller than CISC programs by a factor of 2.5 to 8
Comments from Phil Koopman’s Book:
Size
and Weight
Power
and Cooling
Operating
Environment
Cost
high-performance
Parallel
processing