144 lines
5.1 KiB
C
144 lines
5.1 KiB
C
/* -------------------------------------------------------------------------
|
|
saturn - A poor-man's emulator of some HP calculators
|
|
Copyright (C) 1998-2000 Ivan Cibrario Bertolotti
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with the documentation of this program; if not, write to
|
|
the Free Software Foundation, Inc.,
|
|
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
For more information, please contact the author, preferably by email,
|
|
at the following address:
|
|
|
|
Ivan Cibrario Bertolotti
|
|
IRITI - National Research Council
|
|
c/o IEN "Galileo Ferraris"
|
|
Strada delle Cacce, 91
|
|
10135 - Torino (ITALY)
|
|
|
|
email: cibrario@iriti.cnr.it
|
|
------------------------------------------------------------------------- */
|
|
|
|
/* +-+ */
|
|
|
|
/* .+
|
|
|
|
.identifier : $Id: serial.h,v 4.1 2000/12/11 09:54:19 cibrario Rel $
|
|
.context : SATURN, Saturn CPU / HP48 emulator
|
|
.title : $RCSfile: serial.h,v $
|
|
.kind : C header
|
|
.author : Ivan Cibrario B.
|
|
.site : CSTV-CNR
|
|
.creation : 13-Sep-2000
|
|
.keywords : *
|
|
.description :
|
|
This header contains all definitions and declarations related to the
|
|
serial port emulation modules of the HP48. References:
|
|
|
|
SASM.DOC by HP (HORN disk 4)
|
|
Guide to the Saturn Processor Rev. 0.00f by Matthew Mastracci
|
|
entries.srt by Mika Heiskanen (mheiskan@vipunen.hut.fi)
|
|
x48 source code by Eddie C. Dost (ecd@dressler.de)
|
|
|
|
.include : config.h machdep.h cpu.h
|
|
|
|
.notes :
|
|
$Log: serial.h,v $
|
|
Revision 4.1 2000/12/11 09:54:19 cibrario
|
|
Public release.
|
|
|
|
Revision 3.16 2000/11/21 16:41:44 cibrario
|
|
Ultrix/IRIX support:
|
|
- New condition code: SERIAL_W_NOPTY
|
|
|
|
Revision 3.10 2000/10/24 16:14:59 cibrario
|
|
Added/Replaced GPL header
|
|
|
|
Revision 3.2 2000/09/22 14:36:53 cibrario
|
|
Implemented preliminary support of HP49 hw architecture:
|
|
- New status codes: SERIAL_F_TCGETATTR, SERIAL_F_TCSETATTR
|
|
|
|
* Revision 2.6 2000/09/15 09:25:06 cibrario
|
|
* Added definition of the following status codes:
|
|
* SERIAL_F_OPEN_MASTER, SERIAL_F_GRANTPT, SERIAL_F_UNLOCKPT,
|
|
* SERIAL_F_OPEN_SLAVE, SERIAL_F_PUSH; the implementation of
|
|
* USE_STREAMSPTY needs them.
|
|
*
|
|
* Revision 2.5 2000/09/14 15:43:57 cibrario
|
|
* *** empty log message ***
|
|
*
|
|
|
|
.- */
|
|
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Macro/Data type definitions
|
|
---------------------------------------------------------------------------*/
|
|
|
|
#define SERIAL_RCS_INFO "$Revision: 4.1 $ $State: Rel $"
|
|
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Chf condition codes
|
|
---------------------------------------------------------------------------*/
|
|
|
|
#define SERIAL_I_CALLED 101 /* Function %s called */
|
|
#define SERIAL_I_REVISION 102 /* Serial port emulation rev. %s */
|
|
#define SERIAL_I_READ 103 /* Read %s -> %x */
|
|
#define SERIAL_I_WRITE 104 /* Write %s %x -> %x */
|
|
#define SERIAL_I_RBR 105 /* Read RBR -> %x */
|
|
#define SERIAL_I_TBR 106 /* Write TBR <- %x */
|
|
#define SERIAL_I_PTY_NAME 107 /* Slave pty name is %s */
|
|
#define SERIAL_W_EMPTY_RRB 201 /* Read from empty RX buffer, rcs=%x */
|
|
#define SERIAL_W_FULL_TRB 202 /* Write into full TX buffer, tcs=%x */
|
|
#define SERIAL_W_NOPTY 203 /* 3.16: Pty support not available */
|
|
#define SERIAL_E_TRB_DRAIN 301 /* Error draining TX buffer */
|
|
#define SERIAL_E_RRB_CHARGE 302 /* Error charging RX buffer */
|
|
#define SERIAL_E_PTY_CLOSE 303 /* Error closing pty */
|
|
#define SERIAL_F_OPENPTY 401 /* openpty() failed on master pty */
|
|
#define SERIAL_F_FCNTL 402 /* fcntl() failed on master pty */
|
|
#define SERIAL_F_OPEN_MASTER 403 /* Can't open pty master %s */
|
|
#define SERIAL_F_GRANTPT 404 /* grantpt() failed on master pty */
|
|
#define SERIAL_F_UNLOCKPT 405 /* unlockpt() failed on master pty */
|
|
#define SERIAL_F_OPEN_SLAVE 406 /* Can't open pty slave %s */
|
|
#define SERIAL_F_PUSH 407 /* ioctl(I_PUSH,%s) failed on slave */
|
|
#define SERIAL_F_TCGETATTR 408 /* tcgetattr() failed on master */
|
|
#define SERIAL_F_TCSETATTR 409 /* tcsetattr() failed on master */
|
|
|
|
|
|
/*---------------------------------------------------------------------------
|
|
Function prototypes
|
|
---------------------------------------------------------------------------*/
|
|
|
|
/* Initialization */
|
|
const char *SerialInit(void);
|
|
void SerialClose(void);
|
|
|
|
/* Information about slave side of pty */
|
|
const char *SerialPtyName(void);
|
|
|
|
/* Register read */
|
|
Nibble Serial_IOC_Read(void);
|
|
Nibble Serial_RCS_Read(void);
|
|
Nibble Serial_TCS_Read(void);
|
|
int8 Serial_RBR_Read(void);
|
|
|
|
/* Register write */
|
|
void Serial_IOC_Write(Nibble n);
|
|
void Serial_RCS_Write(Nibble n);
|
|
void Serial_TCS_Write(Nibble n);
|
|
void Serial_CRER_Write(Nibble n);
|
|
void Serial_TBR_Write(int8 d);
|
|
|
|
/* Event handling */
|
|
void HandleSerial(void);
|