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defc: Use GCC builtin opcodes for byte swapping
GCC has pretty handy builtin for that sort of things, often reduces to a single opcode on the target processor Signed-off-by: Michel Pollet <buserror@gmail.com>
This commit is contained in:
Michel Pollet
parent
3e26fb1ecd
commit
5f61330edf
127
src/defc.h
127
src/defc.h
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@ -1,35 +1,35 @@
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/*
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GSport - an Apple //gs Emulator
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Copyright (C) 2010 by GSport contributors
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Based on the KEGS emulator written by and Copyright (C) 2003 Kent Dickey
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "defcomm.h"
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// OG redirect printf to console
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#ifdef ACTIVEGS
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#include <stdio.h>
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extern "C" int outputInfo(const char* format,...);
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extern "C" int fOutputInfo(FILE*,const char* format,...);
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#define printf outputInfo
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#define fprintf fOutputInfo
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#endif
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// OG redirect printf to console
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#ifdef ACTIVEGS
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#include <stdio.h>
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extern "C" int outputInfo(const char* format,...);
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extern "C" int fOutputInfo(FILE*,const char* format,...);
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#define printf outputInfo
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#define fprintf fOutputInfo
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#endif
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#define STRUCT(a) typedef struct _ ## a a; struct _ ## a
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typedef unsigned char byte;
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@ -58,12 +58,18 @@ void U_STACK_TRACE();
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#define DRECIP_DCYCS_IN_16MS (1.0 / (DCYCS_IN_16MS))
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#ifdef GSPORT_LITTLE_ENDIAN
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#ifdef __GNUC__
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# define BIGEND(a) __builtin_bswap32(a)
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# define GET_BE_WORD16(a) __builtin_bswap16(a)
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# define GET_BE_WORD32(a) (BIGEND(a))
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#else
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# define BIGEND(a) ((((a) >> 24) & 0xff) + \
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(((a) >> 8) & 0xff00) + \
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(((a) << 8) & 0xff0000) + \
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(((a) << 24) & 0xff000000))
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# define GET_BE_WORD16(a) ((((a) >> 8) & 0xff) + (((a) << 8) & 0xff00))
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# define GET_BE_WORD32(a) (BIGEND(a))
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#endif
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#else
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# define BIGEND(a) (a)
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# define GET_BE_WORD16(a) (a)
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@ -83,45 +89,45 @@ void U_STACK_TRACE();
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#ifndef UNDER_CE // OG CE SPecific
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#include <stdlib.h>
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#include <string.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#ifndef UNDER_CE // OG CE SPecific
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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// OG Adding support for open
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#ifdef WIN32
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#include <io.h>
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#endif
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#else
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extern int errno;
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extern int open(const char* name,int,...);
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extern int read(int,char*,int);
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extern int close(int);
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extern int write( int fd, const void *buffer, unsigned int count );
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extern int lseek(int,int,int);
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struct stat { int st_size; };
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extern int stat(const char* name, struct stat*);
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extern int fstat(int, struct stat*);
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#define O_RDWR 1
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#define O_BINARY 2
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#define O_RDONLY 4
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#define O_WRONLY 8
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#define O_CREAT 16
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#define O_TRUNC 32
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#define EAGAIN 11
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#define EINTR 4
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#endif
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// OG Adding support for open
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#ifdef WIN32
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#include <io.h>
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#endif
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#else
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extern int errno;
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extern int open(const char* name,int,...);
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extern int read(int,char*,int);
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extern int close(int);
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extern int write( int fd, const void *buffer, unsigned int count );
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extern int lseek(int,int,int);
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struct stat { int st_size; };
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extern int stat(const char* name, struct stat*);
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extern int fstat(int, struct stat*);
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#define O_RDWR 1
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#define O_BINARY 2
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#define O_RDONLY 4
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#define O_WRONLY 8
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#define O_CREAT 16
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#define O_TRUNC 32
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#define EAGAIN 11
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#define EINTR 4
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#endif
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#ifdef HPUX
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# include <machine/inline.h> /* for GET_ITIMER */
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#endif
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@ -184,6 +190,7 @@ STRUCT(Engine_reg) {
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STRUCT(Kimage) {
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void *dev_handle;
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void *dev_handle2;
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void *dev_handle3; /* for xrender ! */
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byte *data_ptr;
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int width_req;
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int width_act;
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@ -361,10 +368,10 @@ STRUCT(Emustate_word32list) {
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#include "iwm.h"
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#include "protos.h"
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// OG Added define for joystick
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#define JOYSTICK_TYPE_KEYPAD 0
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#define JOYSTICK_TYPE_MOUSE 1
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#define JOYSTICK_TYPE_NATIVE_1 2
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#define JOYSTICK_TYPE_NATIVE_2 3
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#define JOYSTICK_TYPE_NONE 4 // OG Added Joystick None
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#define NB_JOYSTICK_TYPE 5
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// OG Added define for joystick
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#define JOYSTICK_TYPE_KEYPAD 0
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#define JOYSTICK_TYPE_MOUSE 1
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#define JOYSTICK_TYPE_NATIVE_1 2
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#define JOYSTICK_TYPE_NATIVE_2 3
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#define JOYSTICK_TYPE_NONE 4 // OG Added Joystick None
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#define NB_JOYSTICK_TYPE 5
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