ocr: FIGURE 4 The Philips XA programming model. R6: RO Segment Select (SSEL) ESWEN a o Code: Segment DS Data Segment ES Extra Segment 15 Program Status Word (PSW) SSP USP R7H RIL ROH R6L R5H R5L Global Registers RAH RAL 15 87 15 87 R3H R3L R2H R2L RIH RIL Banked Registers ROH ROE