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mention some debian SDL behaviour

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2579
This commit is contained in:
Peter Veenstra 2006-03-29 19:56:07 +00:00
parent 7b71d46b4f
commit 38d38abd46
2 changed files with 25 additions and 1 deletions
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2
INSTALL
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@ -60,6 +60,8 @@ In step 1 you could add the following switches:
Check the src subdir for the binary.
NOTE: If capslock and numlock appear to be broken. open
src/ints/bios_keyboard.cpp and go to line 30 and read there how to fix it.
Build instructions for VC++6

24
src/ints/bios_keyboard.cpp
View file

@ -24,6 +24,10 @@
#include "regs.h"
#include "inout.h"
/* SDL by default treats numlock and scrolllock different from all other keys.
* Some linux distros disable this bad behaviour. (for example debian)
* Define the following if this is the case */
//#define CAN_USE_LOCK 1
static Bitu call_int16,call_irq1,call_irq6;
@ -249,7 +253,11 @@ static Bitu IRQ1_Handler(void) {
flags2=mem_readb(BIOS_KEYBOARD_FLAGS2);
flags3=mem_readb(BIOS_KEYBOARD_FLAGS3);
leds =mem_readb(BIOS_KEYBOARD_LEDS);
#ifdef CAN_USE_LOCK
/* No hack anymore! */
#else
flags2&=~(0x40+0x20);//remove numlock/capslock pressed (hack for sdl only reporting states)
#endif
switch (scancode) {
/* First the hard ones */
case 0xfa: /* ack. Do nothing for now */
@ -304,9 +312,13 @@ static Bitu IRQ1_Handler(void) {
}
break;
#ifdef CAN_USE_LOCK
case 0x3a:flags2 |=0x40;break;//CAPSLOCK
case 0xba:flags1 ^=0x40;flags2 &=~0x40;leds ^=0x04;break;
#else
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;
#endif
case 0x45:
if (flags3 &0x01) {
/* last scancode of pause received; first remove 0xe1-prefix */
@ -327,9 +339,13 @@ static Bitu IRQ1_Handler(void) {
}
} else {
/* Num Lock */
#ifdef CAN_USE_LOCK
flags2 |=0x20;
#else
flags2 |=0x20;
flags1 |=0x20;
leds |=0x02;
#endif
}
break;
case 0xc5:
@ -337,9 +353,15 @@ static Bitu IRQ1_Handler(void) {
/* pause released */
flags3 &=~0x01;
} else {
#ifdef CAN_USE_LOCK
flags1^=0x20;
leds^=0x02;
flags2&=~0x20;
#else
/* Num Lock released */
flags1 &=~0x20;
leds &=~0x02;
#endif
}
break;
case 0x46:flags2 |=0x10;break; /* Scroll Lock SDL Seems to do this one fine (so break and make codes) */