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Fix startup detection of numlock and capslock.

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Improve behaviour with SDL 1.2.14 with respect to lock keys.
What works:
- dosbox compiled against SDL < 1.2.14 used with SDL < 1.2.14
- dosbox compiled against SDL < 1.2.14 used with SDL >= 1.2.14
- dosbox compiled against SDL >=1.2.14 used with SDL >= 1.2.14
What doesn't work:
- dosbox compiled against SDL >=1.2.14 used with SDL < 1.2.14
- debian/ubuntu SDL < 1.2.14. (Check comment in src/gui/sdlmain.cpp on how to fix it.)
Untested:
- debian/ubuntu SDL >=1.2.14.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3689
This commit is contained in:
Peter Veenstra 2011-03-24 10:46:56 +00:00
parent 38a357021c
commit b25d481e66
3 changed files with 20 additions and 5 deletions
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13
src/ints/bios_keyboard.cpp
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@ -33,6 +33,8 @@
* Define the following if this is the case */
#if SDL_VERSION_ATLEAST(1, 2, 14)
#define CAN_USE_LOCK 1
/* For lower versions of SDL we also use a slight hack to get the startup states of numclock and capslock right.
* The proper way is in the mapper, but the repeating key is an unwanted side effect for lower versions of SDL */
#endif
static Bitu call_int16,call_irq1,call_irq6;
@ -592,9 +594,14 @@ static void InitBiosSegment(void) {
mem_writew(BIOS_KEYBOARD_BUFFER_TAIL,0x1e);
Bit8u flag1 = 0;
Bit8u leds = 16; /* Ack recieved */
//MAPPER_Init takes care of this now ?
// if(startup_state_capslock) { flag1|=0x40; leds|=0x04;}
// if(startup_state_numlock){ flag1|=0x20; leds|=0x02;}
#if SDL_VERSION_ATLEAST(1, 2, 14)
//Nothing, mapper handles all.
#else
if (startup_state_capslock) { flag1|=0x40; leds|=0x04;}
if (startup_state_numlock) { flag1|=0x20; leds|=0x02;}
#endif
mem_writeb(BIOS_KEYBOARD_FLAGS1,flag1);
mem_writeb(BIOS_KEYBOARD_FLAGS2,0);
mem_writeb(BIOS_KEYBOARD_FLAGS3,16); /* Enhanced keyboard installed */