StackData is transferred between a register and a memory stack pointed by the Stack Pointer register (SP). Stack instructions are: PUSH and POP.
The Stack grows "backwards", that is, when a word is placed into the stack using the PUCH instruction, SP decrements pointing to the memory located just "above".
The Stack is normally "ready for insertion", that is a PUSH instruction will write first, then decrement the Stack Pointer. A POP instruction will increment SP first, then read.
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Homebuilt CPUs WebRing
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