#define REG_PTR1_LO 0x40U
#define REG_PTR1_HI 0x80U
#define REG_AX (REG_A | REG_X)
+#define REG_EAX (REG_A | REG_X | REG_SREG_LO | REG_SREG_HI)
#define REG_XY (REG_X | REG_Y)
#define REG_AXY (REG_A | REG_X | REG_Y)
+#define REG_SREG (REG_SREG_LO | REG_SREG_HI)
+#define REG_PTR1 (REG_PTR1_LO | REG_PTR1_HI)