; Z8 standard built-in register names SIO EQU 0F0H ; Serial I/O Register TMR EQU 0F1H ; Timer Mode Register T1 EQU 0F2H ; Counter/Timer 1 Register PRE1 EQU 0F3H ; Prescaler 1 Register (write only) T0 EQU 0F4H ; Counter/Timer 0 Register PRE0 EQU 0F5H ; Prescaler 0 Register (write only) P2M EQU 0F6H ; Port 2 Mode Register (write only) P3M EQU 0F7H ; Port 3 Mode Register (write only) P01M EQU 0F8H ; Ports 0 and 1 Mode Registers (write only) IPR EQU 0F9H ; Interrupt Priority Register (write only) IRQ EQU 0FAH ; Interrupt Request Register IMR EQU 0FBH ; Interrupt Mask Register FLAGS EQU 0FCH ; Flag Register RP EQU 0FDH ; Register Pointer SPH EQU 0FEH ; Stack Pointer High SPL EQU 0FFH ; Stack Pointer Low