MSM80C154S/83C154S/85C154HVS34687. PUSH data address (Push memory onto stack)1 1 0 0 0 0 0 07 0Instruction codeData addressOperationsNumber of bytesNumber of cyclesFlags(PSW)DescriptionExample PUSH P1Instruction code: Byte 1a7 a6 a5 a4 a3 a2 a1 a07 0Byte 2(SP)←(SP)+1((SP))←(data address):C AC F0 RS1 RS0 OV F1 P:::The stack pointer is incremented by 1, and the specified dataaddress contents are pushed in the stack addressed by thestack pointer.:1 1 0 0 0 0 0 07 0Byte 1Port 1(90H)1 1 0 1 0 1 0 17 0221 0 0 1 0 0 0 07 0Byte 2Before executionPort 1(90H)1 1 0 1 0 1 0 17 0After execution:Stack pointer0 0 0 1 0 0 0 07 0Stack pointer0 0 0 1 0 0 0 17 011H (Stack)0 0 0 0 0 0 0 07 011H (Stack)1 1 0 1 0 1 0 17 0
