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brcBlit.c
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1991-09-20
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238 lines
/*
* $Id: brcBlit.c,v 1.1 1991/09/20 19:10:24 mtranle Exp $
*
* Copyright IBM Corporation 1987,1990
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of IBM not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
* IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
*/
/*
* PRPQ 5799-PFF (C) COPYRIGHT IBM CORPORATION 1987,1990
* LICENSED MATERIALS - PROPERTY OF IBM
* REFER TO COPYRIGHT INSTRUCTIONS FORM NUMBER G120-2083
*/
/*
* Hardware interface routines for IBM 8514/A adapter for
* X.11 server(s) on IBM equipment.
*
*/
#include "x8514.h"
#include "ibmTrace.h"
extern int mergexlate[] ;
extern int ibm8514cursorSemaphore ;
void
ibm8514Bitblt( merge, rpm, wpm, x0, y0, x1, y1, lx, ly )
int merge ;
unsigned long int rpm, wpm ;
int x0, y0, x1, y1, lx, ly ;
{
unsigned short command = 0xc0f3 ;
int CursorIsSaved ;
TRACE( ( "ibm8514Bitblt:merge=%d,rpm=%02x,wpm=%02x,x0=%d,y0=%d,x1=%d,y1=%d,lx=%d,ly=%d\n",
merge, rpm, wpm, x0, y0, x1, y1, lx, ly ) ) ;
if ( lx <= 0 || ly <= 0 )
return ;
CursorIsSaved = !ibm8514cursorSemaphore
&& ( ibm8514CheckCursor( x0, y0, lx, ly )
|| ibm8514CheckCursor( x1, y1, lx, ly ) ) ;
--lx ;
--ly ;
if ( x1 > x0 )
{
x0 += lx ; /* start at right and go left */
x1 += lx ;
command &= 0xFFDF ; /* turn off X cd bit */
}
if ( y1 > y0 )
{
y0 += ly ; /* start at bottom and go up */
y1 += ly ;
command &= 0xFF7F ; /* turn off Y cd bit */
}
ibm8514ATRNotBusy ;
ibm8514CheckQueue( 5 ) ;
PLNRENBL( rpm ) ;
PLNWENBL( wpm ) ;
SETFN1( FNCPYRCT, mergexlate[merge] ) ;
SETX0( x0 ) ;
SETY0( y0 ) ;
ibm8514CheckQueue( 5 ) ;
SETX1( x1 ) ;
SETY1( y1 ) ;
SETLX( lx ) ;
SETLY( ly ) ;
COMMAND( command ) ;
ibm8514CheckQueue( 3 ) ;
PLNRENBL( ibm8514ALLPLANES ) ;
PLNWENBL( ibm8514ALLPLANES ) ;
SETFN1( FNCOLOR1, FNREPLACE ) ; /* as expected elsewhere */
if ( CursorIsSaved )
ibm8514ReplaceCursor() ;
return ;
}
void
ibm8514BlitFG( rpm, wpm, fg, merge, x0, y0, x1, y1, lx, ly )
unsigned long int rpm ;
unsigned long int wpm ;
unsigned long int fg ;
int merge, x0, y0, x1, y1, lx, ly ;
{
unsigned short command = 0xC0F3 ;
int CursorIsSaved ;
TRACE( ( "ibm8514BlitFG:rpm,wpm,fg,mrg,x0,y0,x1,y1,lx,ly = %d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
rpm, wpm, fg, merge, x0, y0, x1, y1, lx, ly ) ) ;
if ( lx <= 0 || ly <= 0 )
return ;
CursorIsSaved = !ibm8514cursorSemaphore
&& ( ibm8514CheckCursor( x0, y0, lx, ly )
|| ibm8514CheckCursor( x1, y1, lx, ly ) ) ;
lx-- ;
ly-- ;
if ( x1 > x0 )
{
x0 += lx ; /* start at right and go left */
x1 += lx ;
command &= 0xFFDF ; /* turn off X cd bit */
}
if ( y1 > y0 )
{
y0 += ly ; /* start at bottom and go up */
y1 += ly ;
command &= 0xFF7F ; /* turn off Y cd bit */
}
ibm8514ATRNotBusy ;
ibm8514CheckQueue( 4 ) ;
SETFN0( FNCOLOR0, FNNOP ) ;
SETFN1( FNCOLOR1, mergexlate[merge] ) ;
PLNRENBL( rpm ) ;
PLNWENBL( wpm ) ;
ibm8514CheckQueue( 4 ) ;
SETMODE( M_CPYRCT ) ;
SETCOL1( fg ) ;
SETX0( x0 ) ;
SETY0( y0 ) ;
ibm8514CheckQueue( 5 ) ;
SETX1( x1 ) ;
SETY1( y1 ) ;
SETLX( lx ) ;
SETLY( ly ) ;
COMMAND( command ) ;
ibm8514CheckQueue( 5 ) ;
PLNRENBL( RPLANES ) ;
PLNWENBL( WPLANES ) ;
SETFN0( FNCOLOR0, FNREPLACE ) ;
SETFN1( FNCOLOR1, FNREPLACE ) ;
SETMODE( M_ONES ) ;
if ( CursorIsSaved )
ibm8514ReplaceCursor() ;
return ;
}
void
ibm8514BlitFGBG( rpm, wpm, fg, bg, merge, x0, y0, x1, y1, lx, ly )
unsigned long int rpm ;
unsigned long int wpm ;
unsigned long int fg ;
unsigned long int bg ;
int merge, x0, y0, x1, y1, lx, ly ;
{
unsigned short command = 0xC0F3 ;
int CursorIsSaved ;
TRACE( ( "ibm8514BlitFGBG:plns,fg,bg,mrg,x0,y0,x1,y1,lx,ly = %d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d\n",
rpm, wpm, fg, bg, merge, x0, y0, x1, y1, lx, ly ) ) ;
if ( lx <= 0 || ly <= 0 )
return ;
CursorIsSaved = !ibm8514cursorSemaphore
&& ( ibm8514CheckCursor( x0, y0, lx, ly )
|| ibm8514CheckCursor( x1, y1, lx, ly ) ) ;
ly-- ;
lx-- ;
if ( x1 > x0 )
{
x0 += lx ; /* start at right and go left */
x1 += lx ;
command &= 0xFFDF ; /* turn off X cd bit */
}
if ( y1 > y0 )
{
y0 += ly ; /* start at bottom and go up */
y1 += ly ;
command &= 0xFF7F ; /* turn off Y cd bit */
}
ibm8514ATRNotBusy ;
ibm8514CheckQueue( 4 ) ;
SETFN0( FNCOLOR0, mergexlate[merge] ) ;
SETFN1( FNCOLOR1, mergexlate[merge] ) ;
SETCOL0( bg ) ;
SETCOL1( fg ) ;
ibm8514CheckQueue( 5 ) ;
PLNRENBL( rpm ) ;
PLNWENBL( wpm ) ;
SETMODE( M_CPYRCT ) ;
SETX0( x0 ) ;
SETY0( y0 ) ;
ibm8514CheckQueue( 5 ) ;
SETX1( x1 ) ;
SETY1( y1 ) ;
SETLX( lx ) ;
SETLY( ly ) ;
COMMAND( command ) ;
ibm8514CheckQueue( 5 ) ;
PLNRENBL( RPLANES ) ;
PLNWENBL( WPLANES ) ;
SETFN0( FNCOLOR0, FNREPLACE ) ;
SETFN1( FNCOLOR1, FNREPLACE ) ;
SETMODE( M_ONES ) ;
if ( CursorIsSaved )
ibm8514ReplaceCursor() ;
return ;
}