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add pause key

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2289
This commit is contained in:
Sebastian Strohhäcker 2005-08-24 16:06:18 +00:00
parent 1cfbdc666f
commit f4c9569dbf
2 changed files with 43 additions and 10 deletions
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6
src/hardware/keyboard.cpp
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: keyboard.cpp,v 1.31 2005-03-25 11:55:20 qbix79 Exp $ */
/* $Id: keyboard.cpp,v 1.32 2005-08-24 16:06:18 c2woody Exp $ */
#include "dosbox.h"
#include "keyboard.h"
@ -329,6 +329,10 @@ void KEYBOARD_AddKey(KBD_KEYS keytype,bool pressed) {
case KBD_insert:extend=true;ret=82;break;
case KBD_delete:extend=true;ret=83;break;
case KBD_pause:
KEYBOARD_AddBuffer(0xe1);
KEYBOARD_AddBuffer(29|(pressed?0:0x80));
KEYBOARD_AddBuffer(69|(pressed?0:0x80));
return;
case KBD_printscreen:
/* Not handled yet. But usuable in mapper for special events */
return;

47
src/ints/bios_keyboard.cpp
View file

@ -123,6 +123,7 @@ static struct {
};
static void add_key(Bit16u code) {
if (mem_readb(BIOS_KEYBOARD_FLAGS2)&8) return;
Bit16u start,end,head,tail,ttail;
start=mem_readw(BIOS_KEYBOARD_BUFFER_START);
end =mem_readw(BIOS_KEYBOARD_BUFFER_END);
@ -230,20 +231,24 @@ static Bitu IRQ1_Handler(void) {
case 0xfa: /* ack. Do nothing for now */
break;
case 0xe1: /* Extended key special. Only pause uses this */
LOG(LOG_KEYBOARD,LOG_ERROR)("someone is putting the pause key in the keyboard buffer");
flags3 |=0x01;
break;
case 0xe0: /* Extended key */
flags3 |=0x02;
break;
case 0x1d: /* Ctrl Pressed */
flags1 |=0x04;
if (flags3 &0x02) flags3 |=0x04;
else flags2 |=0x01;
if (!(flags3 &0x01)) {
flags1 |=0x04;
if (flags3 &0x02) flags3 |=0x04;
else flags2 |=0x01;
}
break;
case 0x9d: /* Ctrl Released */
if (flags3 &0x02) flags3 &=~0x04;
else flags2 &=~0x01;
if( !( (flags3 &0x04) || (flags2 &0x01) ) ) flags1 &=~0x04;
if (!(flags3 &0x01)) {
if (flags3 &0x02) flags3 &=~0x04;
else flags2 &=~0x01;
if( !( (flags3 &0x04) || (flags2 &0x01) ) ) flags1 &=~0x04;
}
break;
case 0x2a: /* Left Shift Pressed */
flags1 |=0x02;
@ -278,8 +283,31 @@ static Bitu IRQ1_Handler(void) {
case 0x3a:flags2 |=0x40;flags1 |=0x40;leds |=0x04;break; //SDL gives only the state instead of the toggle /* Caps Lock */
case 0xba:flags1 &=~0x40;leds &=~0x04;break;
case 0x45:flags2 |=0x20;flags1 |=0x20;leds |=0x02;break; /* Num Lock */
case 0xc5:flags1 &=~0x20;leds &=~0x02;break;
case 0x45:
if (flags3 &0x01) {
flags3 &=0x01;
if ((flags2&8)==0) {
mem_writeb(BIOS_KEYBOARD_FLAGS2,flags2|8);
mem_writeb(BIOS_KEYBOARD_FLAGS3,flags3);
IO_Write(0x20,0x20);
while (mem_readb(BIOS_KEYBOARD_FLAGS2)&8) CALLBACK_Idle(); // pause loop
reg_ip+=4; // skip out 20,20
return CBRET_NONE;
}
} else {
flags2 |=0x20;
flags1 |=0x20;
leds |=0x02;
}
break; /* Num Lock */
case 0xc5:
if (flags3 &0x01) {
flags3 &=0x01;
} else {
flags1 &=~0x20;
leds &=~0x02;
}
break;
case 0x46:flags2 |=0x10;break; /* Scroll Lock SDL Seems to do this one fine (so break and make codes) */
case 0xc6:flags1 ^=0x10;flags2 &=~0x10;leds ^=0x01;break;
// case 0x52:flags2|=128;break;//See numpad /* Insert */
@ -361,6 +389,7 @@ static Bitu IRQ1_Handler(void) {
irq1_end:
if(scancode !=0xe0) flags3 &=~0x02; //Reset 0xE0 Flag
mem_writeb(BIOS_KEYBOARD_FLAGS1,flags1);
if ((scancode&0x80)==0) flags2&=0xf7;
mem_writeb(BIOS_KEYBOARD_FLAGS2,flags2);
mem_writeb(BIOS_KEYBOARD_FLAGS3,flags3);
mem_writeb(BIOS_KEYBOARD_LEDS,leds);