z8036.h

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/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 *  COPYRIGHT (c) 1989-2011.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef _RTEMS_ZILOG_Z8036_H
#define _RTEMS_ZILOG_Z8036_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* macros */
 
#define Z8036( ptr ) ((volatile struct z8036_map *)(ptr))
 
#define Z8x36_STATE0 ( z8036 ) \
  { /*char *garbage = *(Z8036(z8036))->???; */ }
 
 
#define Z8x36_WRITE( z8036, reg, data ) \
   (Z8036(z8036))->reg = (data)
 
 
#define Z8x36_READ( z8036, reg, data ) \
   (Z8036(z8036))->reg = (data)
 
/* structures */
 
struct z8036_map {
/* MAIN CONTROL REGISTERS (0x00-0x07) */
  uint8_t   MASTER_INTR;           /* Master Interrupt Ctl Reg */
  uint8_t   MASTER_CFG;            /* Master Configuration Ctl Reg */
  uint8_t   PORTA_VECTOR;          /* Port A - Interrupt Vector */
  uint8_t   PORTB_VECTOR;          /* Port B - Interrupt Vector */
  uint8_t   CNT_TMR_VECTOR;        /* Counter/Timer Interrupt Vector */
  uint8_t   PORTC_DATA_POLARITY;   /* Port C - Data Path Polarity */
  uint8_t   PORTC_DIRECTION;       /* Port C - Data Direction */
  uint8_t   PORTC_SPECIAL_IO_CTL;  /* Port C - Special IO Control */
/* MOST OFTEN ACCESSED REGISTERS (0x08 - 0x0f) */
  uint8_t   PORTA_CMD_STATUS;      /* Port A - Command Status Reg */
  uint8_t   PORTB_CMD_STATUS;      /* Port B - Command Status Reg */
  uint8_t   CT1_CMD_STATUS;        /* Ctr/Timer 1 - Command Status Reg */
  uint8_t   CT2_CMD_STATUS;        /* Ctr/Timer 2 - Command Status Reg */
  uint8_t   CT3_CMD_STATUS;        /* Ctr/Timer 3 - Command Status Reg */
  uint8_t   PORTA_DATA;            /* Port A - Data */
  uint8_t   PORTB_DATA;            /* Port B - Data */
  uint8_t   PORTC_DATA;            /* Port C - Data */
/* COUNTER/TIMER RELATED REGISTERS (0x10-0x1f) */
  uint8_t   CT1_CUR_CNT_MSB;       /* Ctr/Timer 1 - Current Count (MSB) */
  uint8_t   CT1_CUR_CNT_LSB;       /* Ctr/Timer 1 - Current Count (LSB) */
  uint8_t   CT2_CUR_CNT_MSB;       /* Ctr/Timer 2 - Current Count (MSB) */
  uint8_t   CT2_CUR_CNT_LSB;       /* Ctr/Timer 2 - Current Count (LSB) */
  uint8_t   CT3_CUR_CNT_MSB;       /* Ctr/Timer 3 - Current Count (MSB) */
  uint8_t   CT3_CUR_CNT_LSB;       /* Ctr/Timer 3 - Current Count (LSB) */
  uint8_t   CT1_TIME_CONST_MSB;    /* Ctr/Timer 1 - Time Constant (MSB) */
  uint8_t   CT1_TIME_CONST_LSB;    /* Ctr/Timer 1 - Time Constant (LSB) */
  uint8_t   CT2_TIME_CONST_MSB;    /* Ctr/Timer 2 - Time Constant (MSB) */
  uint8_t   CT2_TIME_CONST_LSB;    /* Ctr/Timer 2 - Time Constant (LSB) */
  uint8_t   CT3_TIME_CONST_MSB;    /* Ctr/Timer 3 - Time Constant (MSB) */
  uint8_t   CT3_TIME_CONST_LSB;    /* Ctr/Timer 3 - Time Constant (LSB) */
  uint8_t   CT1_MODE_SPEC;         /* Ctr/Timer 1 - Mode Specification  */
  uint8_t   CT2_MODE_SPEC;         /* Ctr/Timer 2 - Mode Specification  */
  uint8_t   CT3_MODE_SPEC;         /* Ctr/Timer 3 - Mode Specification  */
  uint8_t   CURRENT_VECTOR;        /* Current Vector */
/* PORT A SPECIFICATION REGISTERS (0x20 -0x27) */
  uint8_t   PORTA_MODE;            /* Port A - Mode Specification  */
  uint8_t   PORTA_HANDSHAKE;       /* Port A - Handshake Specification  */
  uint8_t   PORTA_DATA_POLARITY;   /* Port A - Data Path Polarity */
  uint8_t   PORTA_DIRECTION;       /* Port A - Data Direction */
  uint8_t   PORTA_SPECIAL_IO_CTL;  /* Port A - Special IO Control */
  uint8_t   PORTA_PATT_POLARITY;   /* Port A - Pattern Polarity */
  uint8_t   PORTA_PATT_TRANS;      /* Port A - Pattern Transition */
  uint8_t   PORTA_PATT_MASK;       /* Port A - Pattern Mask */
/* PORT B SPECIFICATION REGISTERS (0x28-0x2f) */
  uint8_t   PORTB_MODE;            /* Port B - Mode Specification  */
  uint8_t   PORTB_HANDSHAKE;       /* Port B - Handshake Specification  */
  uint8_t   PORTB_DATA_POLARITY;   /* Port B - Data Path Polarity */
  uint8_t   PORTB_DIRECTION;       /* Port B - Data Direction */
  uint8_t   PORTB_SPECIAL_IO_CTL;  /* Port B - Special IO Control */
  uint8_t   PORTB_PATT_POLARITY;   /* Port B - Pattern Polarity */
  uint8_t   PORTB_PATT_TRANS;      /* Port B - Pattern Transition */
  uint8_t   PORTB_PATT_MASK;       /* Port B - Pattern Mask */
};
 
#ifdef __cplusplus
}
#endif
 
#endif