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CGA2 Fill and copy row implementation added(Taiken7)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1616
This commit is contained in:
Sjoerd van der Berg 2004-01-28 18:04:18 +00:00
parent ce6f81a73c
commit 5640023e40
1 changed files with 34 additions and 3 deletions
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37
src/ints/int10_char.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: int10_char.cpp,v 1.21 2004-01-10 14:03:35 qbix79 Exp $ */
/* $Id: int10_char.cpp,v 1.22 2004-01-28 18:04:18 harekiet Exp $ */
/* Character displaying moving functions */
@ -26,6 +26,19 @@
#include "inout.h"
#include "int10.h"
static INLINE void CGA2_CopyRow(Bit8u cleft,Bit8u cright,Bit8u rold,Bit8u rnew,PhysPt base) {
Bit8u cheight = real_readb(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
PhysPt dest=base+((CurMode->twidth*rnew)*(cheight/2)+cleft);
PhysPt src=base+((CurMode->twidth*rold)*(cheight/2)+cleft);
Bitu copy=(cright-cleft);
Bitu nextline=CurMode->twidth;
for (Bitu i=0;i<cheight;i++) {
MEM_BlockCopy(dest,src,copy);
MEM_BlockCopy(dest+8*1024,src+8*1024,copy);
dest+=nextline;src+=nextline;
}
}
static INLINE void CGA4_CopyRow(Bit8u cleft,Bit8u cright,Bit8u rold,Bit8u rnew,PhysPt base) {
Bit8u cheight = real_readb(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
PhysPt dest=base+((CurMode->twidth*rnew)*(cheight/2)+cleft)*2;
@ -80,6 +93,22 @@ static INLINE void TEXT_CopyRow(Bit8u cleft,Bit8u cright,Bit8u rold,Bit8u rnew,P
MEM_BlockCopy(dest,src,(cright-cleft)*2);
}
static INLINE void CGA2_FillRow(Bit8u cleft,Bit8u cright,Bit8u row,PhysPt base,Bit8u attr) {
Bit8u cheight = real_readb(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
PhysPt dest=base+((CurMode->twidth*row)*(cheight/2)+cleft);
Bitu copy=(cright-cleft);
Bitu nextline=CurMode->twidth;
attr=(attr & 0x3) | ((attr & 0x3) << 2) | ((attr & 0x3) << 4) | ((attr & 0x3) << 6);
for (Bitu i=0;i<cheight;i++) {
for (Bitu x=0;x<copy;x++) {
mem_writeb(dest+x,attr);
mem_writeb(dest+8*1024+x,attr);
}
dest+=nextline;
}
}
static INLINE void CGA4_FillRow(Bit8u cleft,Bit8u cright,Bit8u row,PhysPt base,Bit8u attr) {
Bit8u cheight = real_readb(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
PhysPt dest=base+((CurMode->twidth*row)*(cheight/2)+cleft)*2;
@ -178,7 +207,8 @@ void INT10_ScrollWindow(Bit8u rul,Bit8u cul,Bit8u rlr,Bit8u clr,Bit8s nlines,Bit
case M_TEXT2:
case M_TEXT16:
TEXT_CopyRow(cul,clr,start,start+nlines,base);break;
// case M_CGA2:
case M_CGA2:
CGA2_CopyRow(cul,clr,start,start+nlines,base);break;
case M_CGA4:
CGA4_CopyRow(cul,clr,start,start+nlines,base);break;
case M_TANDY16:
@ -202,7 +232,8 @@ filling:
case M_TEXT2:
case M_TEXT16:
TEXT_FillRow(cul,clr,start,base,attr);break;
// case M_CGA2:
case M_CGA2:
CGA2_FillRow(cul,clr,start,base,attr);break;
case M_CGA4:
CGA4_FillRow(cul,clr,start,base,attr);break;
case M_TANDY16: