linux-wdctools/include/sys/sk_io.h

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/*******************************************************************************
* FILE NAME: SK_IO.ch
*
* TITLE: This function prototypes and data type definitions.
*
* DATA_RIGHTS: Western Design Center and R & C Services Proprietary
* Copyright(C) 1980-2004
* All rights reserved. Reproduction in any manner,
* in whole or in part, is strictly prohibited without
* the prior written approval of R & C Services or
* Western Design Center.
*
* DESCRIPTION: This file describes function prototypes and data type
* definitions used for .
*
*
* SPECIAL CONSIDERATIONS:
* <None>
*
* AUTHOR: R. Greenthal
*
*
* CREATION DATE: Feb 05,2004
*
* REVISION HISTORY
* Name Date Description
* ------------ ---------- ----------------------------------------------
* R. Greenthal 02/05/2004 Initial
*
*******************************************************************************
*/
#ifndef SK_IO_H
#define SK_IO_H
/*
*=========================== CONSTANTS & MACROS ===============================
*/
/* None */
/*
*================================== TYPES =====================================
*/
/* None */
/*
*============================= FUNCTION PROTOTYPES ============================
*/
#define CLI asm{cli;} /* enable interrupt response */
#define SEI asm{sei;} /* disable it */
#define BRK(n) asm{ brk n;} /* 65C02/65c816-BRK */
#define COP(n) asm{ cop n;} /* 65c816-COP */
//#define EnableIRQ(n)\
// asm(" lda #$80\n"\
// " tsb $fd01+"#n"*4\n") /* enable interrupt of timer n */
//#define DisableIRQ(n)\
// asm(" lda #$80\n"\
// " trb $fd01+"#n"*4\n") /* disable it */
struct _VIA1{
uchar ORB_IRB; /* Input/Output Reg 'B' */
uchar ORA_IRA; /* Input/Output Reg 'A' */
uchar DDRB; /* Data Direction Reg 'B' */
uchar DDRA; /* Data Direction Reg 'A' */
uchar T1CLO; /* Timer #1 Counter Low */
uchar T1CHI; /* Timer #1 Counter High */
uchar T1LLO; /* Timer #1 Latch Low */
uchar T1LHI; /* Timer #1 Latch High */
uchar T2CLO; /* Timer #2 Counter Low */
uchar T2CHI; /* Timer #2 Counter High */
uchar SR; /* Shift Reg */
uchar ACR; /* Auxiliary Control Reg */
uchar PCR; /* Peripheral Control Reg */
uchar IFR; /* Interrupt Flag Reg */
uchar IER; /* Interrupt Enable Reg */
uchar ORANH_IRANH; /* Input Reg 'A' No Handshake */
};
struct _I2C{ /* One byte of the VIA */
uchar clock:1;
uchar sin:1;
uchar sout:1;
uchar nu:5;
};
#endif /* SK_IO_H */
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