|
Stack I/O, and Machine Control Instructions:
The following instructions affect the Stack and/or Stack Pointer:
PUSH - Push Two bytes of Data onto the Stack
POP - Pop Two Bytes of Data off the Stack
XTHL - Exchange Top of Stack with H & L
SPHL - Move content of H & L to Stack Pointer
The I/0 instructions are as follows:
IN - Initiate Input Operation
OUT - Initiate Output Operation
The Machine Control instructions are as follows:
EI - Enable Interrupt System
DI - Disable Interrupt System
HLT - Halt
NOP - No Operation |
