LoopsWhile:	PHA			;push accumulator onto stack

		LDA #$00		;the 6502 is an 8-bit processor
		STA Ilow		;and so 1024 ($0400) must be stored in two memory locations
		LDA #$04
		STA Ihigh		
WhileLoop:	LDA Ilow
		BNE NotZero
		LDA Ihigh
		BEQ EndLoop
NotZero:	JSR PrintI		;routine not implemented
		LSR Ihigh		;shift right
		ROR Ilow		;rotate right
		JMP WhileLoop

EndLoop:	PLA			;restore accumulator from stack
		RTS			;return from subroutine