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int 10 call 8 now supported in non-text mode as well

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2232
This commit is contained in:
Peter Veenstra 2005-07-08 13:48:58 +00:00
parent 449475435c
commit d9552a7bae
1 changed files with 62 additions and 19 deletions
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81
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 1.34 2005-05-04 19:33:46 qbix79 Exp $ */
/* $Id: int10_char.cpp,v 1.35 2005-07-08 13:48:58 qbix79 Exp $ */
/* Character displaying moving functions */
@ -369,29 +369,73 @@ void INT10_SetCursorPos(Bit8u row,Bit8u col,Bit8u page) {
}
}
void ReadCharAttr(Bit16u col,Bit16u row,Bit8u page,Bit16u * result) {
/* Externally used by the mouse routine */
PhysPt fontdata;
Bitu x,y;
Bit8u cheight = real_readb(BIOSMEM_SEG,BIOSMEM_CHAR_HEIGHT);
bool split_chr = false;
switch (CurMode->type) {
case M_TEXT:
{
// Compute the address
Bit16u address=page*real_readw(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE);
address+=(row*real_readw(BIOSMEM_SEG,BIOSMEM_NB_COLS)+col)*2;
// read the char
PhysPt where = CurMode->pstart+address;
*result=mem_readw(where);
}
return;
case M_CGA4:
case M_CGA2:
case M_TANDY16:
split_chr = true;
/* Fallthrough */
default: /* EGA/VGA don't have a split font-table */
for(Bit16u chr=0;chr <= 255 ;chr++) {
if (!split_chr || (chr<128)) fontdata = Real2Phys(RealGetVec(0x43))+chr*cheight;
else fontdata = Real2Phys(RealGetVec(0x1F))+(chr-128)*cheight;
x=8*col;
y=cheight*row;
bool error=false;
for (Bit8u h=0;h<cheight;h++) {
Bit8u bitsel=128;
Bit8u bitline=mem_readb(fontdata++);
Bit8u res=0;
Bit8u vidline=0;
Bit16u tx=x;
while (bitsel) {
//Construct bitline in memory
INT10_GetPixel(tx,y,page,&res);
if(res) vidline|=bitsel;
tx++;
bitsel>>=1;
}
y++;
if(bitline != vidline){
/* It's not character 'chr', move on to the next */
error = true;
break;
}
}
if(!error){
/* We found it */
*result = chr;
return;
}
}
LOG(LOG_INT10,LOG_ERROR)("ReadChar didn't find character");
*result = 0;
break;
}
}
void INT10_ReadCharAttr(Bit16u * result,Bit8u page) {
if(page==0xFF) page=real_readb(BIOSMEM_SEG,BIOSMEM_CURRENT_PAGE);
Bit8u cur_row=CURSOR_POS_ROW(page);
Bit8u cur_col=CURSOR_POS_COL(page);
// Compute the address
Bit16u address=page*real_readw(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE);
address+=(cur_row*real_readw(BIOSMEM_SEG,BIOSMEM_NB_COLS)+cur_col)*2;
// Read the char
PhysPt where = CurMode->pstart+address;
*result=mem_readw(where);
ReadCharAttr(cur_col,cur_row,page,result);
}
void ReadCharAttr(Bit16u col,Bit16u row,Bit8u page,Bit16u * result) {
/* Used by the mouse */
Bit16u address=page*real_readw(BIOSMEM_SEG,BIOSMEM_PAGE_SIZE);
address+=(row*real_readw(BIOSMEM_SEG,BIOSMEM_NB_COLS)+col)*2;
// Read the char
PhysPt where = CurMode->pstart+address;
*result=mem_readw(where);
}
void WriteChar(Bit16u col,Bit16u row,Bit8u page,Bit8u chr,Bit8u attr,bool useattr) {
/* Externally used by the mouse routine */
PhysPt fontdata;
@ -559,4 +603,3 @@ void INT10_WriteString(Bit8u row,Bit8u col,Bit8u flag,Bit8u attr,PhysPt string,B
INT10_SetCursorPos(cur_row,cur_col,page);
}
}