2017-10-01 18:30:42 +00:00
|
|
|
/*
|
|
|
|
|
SCRNEMDV.c
|
|
|
|
|
|
|
|
|
|
Copyright (C) 2006 Philip Cummins, Richard F. Bannister,
|
|
|
|
|
Paul C. Pratt
|
|
|
|
|
|
|
|
|
|
You can redistribute this file and/or modify it under the terms
|
|
|
|
|
of version 2 of the GNU General Public License as published by
|
|
|
|
|
the Free Software Foundation. You should have received a copy
|
|
|
|
|
of the license along with this file; see the file COPYING.
|
|
|
|
|
|
|
|
|
|
This file 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
|
|
|
|
|
license for more details.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
SCReeN EMulated DeVice
|
|
|
|
|
|
|
|
|
|
Emulation of the screen in the Mac Plus.
|
|
|
|
|
|
|
|
|
|
This code descended from "Screen-MacOS.c" in Richard F. Bannister's
|
|
|
|
|
Macintosh port of vMac, by Philip Cummins.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef AllFiles
|
|
|
|
|
#include "SYSDEPNS.h"
|
|
|
|
|
#include "MYOSGLUE.h"
|
|
|
|
|
#include "ENDIANAC.h"
|
|
|
|
|
#include "EMCONFIG.h"
|
|
|
|
|
#include "GLOBGLUE.h"
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#include "SCRNEMDV.h"
|
|
|
|
|
|
|
|
|
|
#if ! IncludeVidMem
|
|
|
|
|
#define kMain_Offset 0x5900
|
|
|
|
|
#define kAlternate_Offset 0xD900
|
|
|
|
|
#define kMain_Buffer (kRAM_Size - kMain_Offset)
|
|
|
|
|
#define kAlternate_Buffer (kRAM_Size - kAlternate_Offset)
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
GLOBALPROC Screen_EndTickNotify(void)
|
|
|
|
|
{
|
|
|
|
|
ui3p screencurrentbuff;
|
|
|
|
|
|
|
|
|
|
#if IncludeVidMem
|
|
|
|
|
screencurrentbuff = VidMem;
|
|
|
|
|
#else
|
|
|
|
|
if (SCRNvPage2 == 1) {
|
|
|
|
|
screencurrentbuff = get_ram_address(kMain_Buffer);
|
|
|
|
|
} else {
|
|
|
|
|
screencurrentbuff = get_ram_address(kAlternate_Buffer);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
Screen_OutputFrame(screencurrentbuff);
|
|
|
|
|
}
|
