; ioequ.inc ; DSP 56000 I/O address and register equates ; This file came from Motorola's Dr. BuB DSP board ; Last Update 25 Aug 87 Version 1.1 (fixed m_of) ; ;************************************************************************ ; ; EQUATES for DSP56000 I/O registers and ports ; ;************************************************************************ ;------------------------------------------------------------------------ ; ; EQUATES for I/O Port Programming ; ;------------------------------------------------------------------------ ; Register Addresses m_bcr EQU $FFFE ; Port A Bus Control Register m_pbc EQU $FFE0 ; Port B Control Register m_pbddr EQU $FFE2 ; Port B Data Direction Register m_pbd EQU $FFE4 ; Port B Data Register m_pcc EQU $FFE1 ; Port C Control Register m_pcddr EQU $FFE3 ; Port C Data Direction Register m_pcd EQU $FFE5 ; Port C Data Register ;------------------------------------------------------------------------ ; ; EQUATES for Host Interface ; ;------------------------------------------------------------------------ ; Register Addresses m_hcr EQU $FFE8 ; Host Control Register m_hsr EQU $FFE9 ; Host Status Register m_hrx EQU $FFEB ; Host Receive Data Register m_htx EQU $FFEB ; Host Transmit Data Register ; Host Control Register Bit Flags m_hrie EQU 0 ; Host Receive Interrupt Enable m_htie EQU 1 ; Host Transmit Interrupt Enable m_hcie EQU 2 ; Host Command Interrupt Enable m_hf2 EQU 3 ; Host Flag 2 m_hf3 EQU 4 ; Host Flag 3 ; Host Status Register Bit Flags m_hrdf EQU 0 ; Host Receive Data Full m_htde EQU 1 ; Host Transmit Data Empty m_hcp EQU 2 ; Host Command Pending m_hf EQU $18 ; Host Flag Mask m_hf0 EQU 3 ; Host Flag 0 m_hf1 EQU 4 ; Host Flag 1 m_dma EQU 7 ; DMA Status ;------------------------------------------------------------------------ ; ; EQUATES for Serial Communications Interface (SCI) ; ;------------------------------------------------------------------------ ; Register Addresses m_srxl EQU $FFF4 ; SCI Receive Data Register (low) m_srxm EQU $FFF5 ; SCI Receive Data Register (middle) m_srxh EQU $FFF6 ; SCI Receive Data Register (high) m_stxl EQU $FFF4 ; SCI Transmit Data Register (low) m_stxm EQU $FFF5 ; SCI Transmit Data Register (middle) m_stxh EQU $FFF6 ; SCI Transmit Data Register (high) m_stxa EQU $FFF3 ; SCI Transmit Data Address Register m_scr EQU $FFF0 ; SCI Control Register m_ssr EQU $FFF1 ; SCI Status Register m_sccr EQU $FFF2 ; SCI Clock Control Register ; SCI Control Register Bit Flags m_wds EQU $3 ; Word Select Mask m_wds0 EQU 0 ; Word Select 0 m_wds1 EQU 1 ; Word Select 1 m_wds2 EQU 2 ; Word Select 2 m_sbk EQU 4 ; Send Break m_wake EQU 5 ; Wake-up Mode Select m_rwi EQU 6 ; Receiver Wake-up Enable m_woms EQU 7 ; Wired-OR Mode Select m_re EQU 8 ; Receiver Enable m_te EQU 9 ; Transmitter Enable m_ilie EQU 10 ; Idle Line Interrupt Enable m_rie EQU 11 ; Receive Interrupt Enable m_tie EQU 12 ; Transmit Interrupt Enable m_tmie EQU 13 ; Timer Interrupt Enable ; SCI Status Register Bit Flags m_trne EQU 0 ; Transmitter Empty m_tdre EQU 1 ; Transmit Data Register Empty m_rdrf EQU 2 ; Receive Data Register Full m_idle EQU 3 ; Idle Line m_or EQU 4 ; Overrun Error m_pe EQU 5 ; Parity Error m_fe EQU 6 ; Framing Error m_r8 EQU 7 ; Received Bit 8 ; SCI Clock Control Register Bit Flags m_cd EQU $FFF ; Clock Divider Mask m_cod EQU 12 ; Clock Out Divider m_scp EQU 13 ; Clock Prescaler m_rcm EQU 14 ; Receive Clock Source m_tcm EQU 15 ; Transmit Clock Source ;------------------------------------------------------------------------ ; ; EQUATES for Synchronous Serial Interface (SSI) ; ;------------------------------------------------------------------------ ; Register Addresses m_rx EQU $FFEF ; Serial Receive Data Register m_tx EQU $FFEF ; Serial Transmit Data Register m_cra EQU $FFEC ; SSI Control Register A m_crb EQU $FFED ; SSI Control Register B m_sr EQU $FFEE ; SSI Status Register m_tsr EQU $FFEE ; SSI Time Slot Register ; SSI Control Register A Bit Flags m_pm EQU $FF ; Prescale Modulus Select Mask m_dc EQU $1F00 ; Frame Rate Divider Control Mask m_wl EQU $6000 ; Word Length Control Mask m_wl0 EQU 13 ; Word Length Control 0 m_wl1 EQU 14 ; Word Length Control 1 m_psr EQU 15 ; Prescaler Range ; SSI Control Register B Bit Flags m_of EQU $3 ; Serial Output Flag Mask m_of0 EQU 0 ; Serial Output Flag 0 m_of1 EQU 1 ; Serial Output Flag 1 m_scd EQU $1C ; Serial Control Direction Mask m_scd0 EQU 2 ; Serial Control 0 Direction m_scd1 EQU 3 ; Serial Control 1 Direction m_scd2 EQU 4 ; Serial Control 2 Direction m_sckd EQU 5 ; Clock Source Direction m_fsl EQU 8 ; Frame Sync Length m_syn EQU 9 ; Sync/Async Control m_gck EQU 10 ; Gated Clock Control m_mod EQU 11 ; Mode Select m_ste EQU 12 ; SSI Transmit Enable m_sre EQU 13 ; SSI Receive Enable m_stie EQU 14 ; SSI Transmit Interrupt Enable m_srie EQU 15 ; SSI Receive Interrupt Enable ; SSI Status Register Bit Flags m_if EQU $2 ; Serial Input Flag Mask m_if0 EQU 0 ; Serial Input Flag 0 m_if1 EQU 1 ; Serial Input Flag 1 m_tfs EQU 2 ; Transmit Frame Sync m_rfs EQU 3 ; Receive Frame Sync m_tue EQU 4 ; Transmitter Underrun Error m_roe EQU 5 ; Receiver Overrun Error m_tde EQU 6 ; Transmit Data Register Empty m_rdf EQU 7 ; Receive Data Register Full ;------------------------------------------------------------------------ ; ; EQUATES for Exception Processing ; ;------------------------------------------------------------------------ ; Register Addresses m_ipr EQU $FFFF ; Interrupt Priority Register ; Interrupt Priority Register Bit Flags m_ial EQU $7 ; IRQA Mode Mask m_ial0 EQU 0 ; IRQA Mode Interrupt Priority Level (low) m_ial1 EQU 1 ; IRQA Mode Interrupt Priority Level (high) m_ial2 EQU 2 ; IRQA Mode Trigger Mode m_ibl EQU $38 ; IRQB Mode Mask m_ibl0 EQU 3 ; IRQB Mode Interrupt Priority Level (low) m_ibl1 EQU 4 ; IRQB Mode Interrupt Priority Level (high) m_ibl2 EQU 5 ; IRQB Mode Trigger Mode m_hpl EQU $C00 ; Host Interrupt Priority Level Mask m_hpl0 EQU 10 ; Host Interrupt Priority Level Mask (low) m_hpl1 EQU 11 ; Host Interrupt Priority Level Mask (high) m_ssl EQU $3000 ; SSI Interrupt Priority Level Mask m_ssl0 EQU 12 ; SSI Interrupt Priority Level Mask (low) m_ssl1 EQU 13 ; SSI Interrupt Priority Level Mask (high) m_scl EQU $C000 ; SCI Interrupt Priority Level Mask m_scl0 EQU 14 ; SCI Interrupt Priority Level Mask (low) m_scl1 EQU 15 ; SCI Interrupt Priority Level Mask (high)