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[/] [s6soc/] [trunk/] [sw/] [zipos/] [zipsys.h] - Rev 45

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// Filename: 	zipsys.h
// Project:	CMod S6 System on a Chip, ZipCPU demonstration project
// Purpose:	Defines particular definitions specific to the ZipCPU. 
//		Originally designed to be specific to the ZipSystem, this has
//	been adjusted to just the CPU, since the CMod S6 doesn't have the full
//	ZipSystem implemented.
// Creator:	Dan Gisselquist, Ph.D.
//		Gisselquist Technology, LLC
// Copyright (C) 2015-2016, Gisselquist Technology, LLC
// This program is free software (firmware): 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 3 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 MERCHANTIBILITY 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 this program.  (It's in the $(ROOT)/doc directory, run make with no
// target there if the PDF file isn't present.)  If not, see
// <> for a copy.
// License:	GPL, v3, as defined and found on,
#ifndef	ZIPSYS_H
#define	ZIPSYS_H
#include "board.h"
#define	CC_Z		0x0001
#define	CC_C		0x0002
#define	CC_N		0x0004
#define	CC_V		0x0008
#define	CC_SLEEP	0x0010
#define	CC_GIE		0x0020
#define	CC_STEP		0x0040
#define	CC_BREAK	0x0080
#define	CC_ILL		0x0100
#define	CC_TRAPBIT	0x0200
#define	CC_BUSERR	0x0400
#define	CC_DIVERR	0x0800
#define	CC_FPUERR	0x1000
#define	CC_IPHASE	0x2000
extern void	zip_rtu(void);
extern void	zip_halt(void);
extern void	zip_idle(void);
extern void	zip_syscall(void);
extern void	zip_restore_context(int *);
extern void	zip_save_context(int *);
extern int	zip_bitrev(int v);
extern unsigned	zip_cc(void);
extern unsigned	zip_ucc(void);
extern	int	_top_of_heap[1];
extern	void	save_context(int *);
extern	void	restore_context(int *);
extern	int	syscall(const int,int,int,int);
#ifndef	NULL
#define	NULL	((void *)0)
static inline void	DISABLE_INTS(void) {
	_sys->io_pic = 0;
static inline void	ENABLE_INTS(void) {
	_sys->io_pic = INT_ENABLE;

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