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clear banking bit0 for 32k tandy modes; fix some pcjr mode

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2793
This commit is contained in:
Sebastian Strohhäcker 2007-02-01 16:24:03 +00:00
parent 28cc8c5c9f
commit c0c80145d6
2 changed files with 6 additions and 6 deletions
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2
src/hardware/vga_draw.cpp
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@ -901,7 +901,7 @@ void VGA_SetupDrawing(Bitu val) {
doubleheight=true;
vga.draw.blocks=width*2;
if (vga.tandy.mode_control & 0x1) {
if ( vga.tandy.mode_control & 0x10 ) {
if (( machine==MCH_TANDY ) && ( vga.tandy.mode_control & 0x10 )) {
doublewidth = false;
vga.draw.blocks*=2;
width=vga.draw.blocks*2;

10
src/hardware/vga_other.cpp
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: vga_other.cpp,v 1.20 2007-01-24 16:29:09 harekiet Exp $ */
/* $Id: vga_other.cpp,v 1.21 2007-02-01 16:24:03 c2woody Exp $ */
#include <string.h>
#include <math.h>
@ -400,8 +400,8 @@ static void write_tandy(Bitu port,Bitu val,Bitu iolen) {
break;
case 0x3df:
vga.tandy.line_mask = val >> 6;
vga.tandy.draw_bank = val & 0x7;
vga.tandy.mem_bank = (val >> 3) & 0x7;
vga.tandy.draw_bank = val & ((vga.tandy.line_mask&2) ? 0x6 : 0x7);
vga.tandy.mem_bank = (val >> 3) & ((vga.tandy.line_mask&2) ? 0x6 : 0x7);
TandyCheckLineMask();
VGA_SetupHandlers();
break;
@ -420,8 +420,8 @@ static void write_pcjr(Bitu port,Bitu val,Bitu iolen) {
break;
case 0x3df:
vga.tandy.line_mask = val >> 6;
vga.tandy.draw_bank = val & 0x7;
vga.tandy.mem_bank = (val >> 3) & 0x7;
vga.tandy.draw_bank = val & ((vga.tandy.line_mask&2) ? 0x6 : 0x7);
vga.tandy.mem_bank = (val >> 3) & ((vga.tandy.line_mask&2) ? 0x6 : 0x7);
vga.tandy.draw_base = &MemBase[vga.tandy.draw_bank * 16 * 1024];
vga.tandy.mem_base = &MemBase[vga.tandy.mem_bank * 16 * 1024];
TandyCheckLineMask();