A-M baby

Task/Loops-While/6502-Assembly/loops-while.6502

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+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