//////////////////////////////////////////////////////////////////////////////
//
//  This file is part of the Atari Machine Specific Library,
//  and is Copyright 1992 by Warwick W. Allison.
//
//  You are free to copy and modify these sources, provided you acknoledge
//  the origin by retaining this notice, and adhere to the conditions
//  described in the file COPYING.
//
//////////////////////////////////////////////////////////////////////////////

#include "resolution.h"
#include <osbind.h>

					/* STL STM STH ??? TTM ???  TTH TTL */
short ScreenWidth[NUMRES]		= {320,640,640,640,640,640,1280,320};
short ScreenHeight[NUMRES]		= {200,200,400,400,480,480, 960,480};
short NumberOfColours[NUMRES]	= { 16,  4,  2,  2, 16, 16,   2,256};
short BitPlanes[NUMRES]		= {  4,  2,  1,  1,  4,  4,   1,  8};
short BytesPerBitPlaneLine[NUMRES]	= { 40, 80, 80, 80, 80, 80, 160, 40};
short BytesPerLine[NUMRES]		= {160,160, 80, 80,320,320, 160,320};


ResolutionChange::ResolutionChange()
{
	Before=Getrez();
	After=Before;
}

ResolutionChange::ResolutionChange(Resolution res)
{
	Before=Getrez();
	Setscreen(-1,-1,res);
	After=res;
}

ResolutionChange::~ResolutionChange()
{
	Setscreen(-1,-1,Before);
}