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Use only a single call to int 0x33 for each mouse check.

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This commit is contained in:
William McBrine
2006-11-17 12:10:20 +00:00
parent 003cfb364a
commit bb029e0b31
1 changed files with 25 additions and 32 deletions
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57
dos/pdckbd.c
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@@ -19,7 +19,7 @@
#include "pdcdos.h"
RCSID("$Id: pdckbd.c,v 1.53 2006/11/17 03:39:15 wmcbrine Exp $");
RCSID("$Id: pdckbd.c,v 1.54 2006/11/17 12:10:20 wmcbrine Exp $");
/************************************************************************
* Table for key code translation of function keys in keypad mode *
@@ -108,8 +108,8 @@ static int kptab[] =
unsigned long pdc_key_modifiers = 0L;
static bool mouse_avail = FALSE, mouse_vis = FALSE;
static PDCREGS old_ms;
static bool mouse_avail = FALSE, mouse_vis = FALSE, mouse_moved = FALSE;
static PDCREGS ms_regs, old_ms;
/*man-start**************************************************************
@@ -161,18 +161,19 @@ void PDC_set_keyboard_binary(bool on)
bool PDC_check_bios_key(void)
{
PDCREGS regs;
PDC_LOG(("PDC_check_bios_key() - called\n"));
if (mouse_vis)
{
regs.W.ax = 3;
PDCINT(0x33, regs);
ms_regs.W.ax = 3;
PDCINT(0x33, ms_regs);
if (regs.W.bx != old_ms.W.bx ||
(regs.W.bx && regs.W.bx == old_ms.W.bx &&
(regs.W.cx != old_ms.W.cx || regs.W.dx != old_ms.W.dx)))
mouse_moved = ms_regs.W.bx &&
ms_regs.W.bx == old_ms.W.bx &&
(ms_regs.W.cx != old_ms.W.cx ||
ms_regs.W.dx != old_ms.W.dx);
if (ms_regs.W.bx != old_ms.W.bx || mouse_moved)
return TRUE;
}
@@ -203,51 +204,43 @@ int PDC_get_bios_key(void)
if (mouse_vis)
{
bool moved;
regs.W.ax = 3;
PDCINT(0x33, regs);
moved = regs.W.bx && regs.W.bx == old_ms.W.bx &&
(regs.W.cx != old_ms.W.cx || regs.W.dx != old_ms.W.dx);
if (regs.W.bx != old_ms.W.bx || moved)
if (ms_regs.W.bx != old_ms.W.bx || mouse_moved)
{
short shift_flags = 0;
pdc_mouse_status.changes = moved ?
pdc_mouse_status.changes = mouse_moved ?
PDC_MOUSE_MOVED : 0;
pdc_mouse_status.button[0] = (regs.W.bx & 1) ?
(moved ? BUTTON_MOVED : BUTTON_PRESSED)
pdc_mouse_status.button[0] = (ms_regs.W.bx & 1) ?
(mouse_moved ? BUTTON_MOVED : BUTTON_PRESSED)
: BUTTON_RELEASED;
pdc_mouse_status.button[1] = (regs.W.bx & 4) ?
(moved ? BUTTON_MOVED : BUTTON_PRESSED)
pdc_mouse_status.button[1] = (ms_regs.W.bx & 4) ?
(mouse_moved ? BUTTON_MOVED : BUTTON_PRESSED)
: BUTTON_RELEASED;
pdc_mouse_status.button[2] = (regs.W.bx & 2) ?
(moved ? BUTTON_MOVED : BUTTON_PRESSED)
pdc_mouse_status.button[2] = (ms_regs.W.bx & 2) ?
(mouse_moved ? BUTTON_MOVED : BUTTON_PRESSED)
: BUTTON_RELEASED;
/* moves always flag the button as changed */
if (((regs.W.bx & 1) ^ (old_ms.W.bx & 1)) ||
if (((ms_regs.W.bx & 1) ^ (old_ms.W.bx & 1)) ||
(pdc_mouse_status.button[0] == BUTTON_MOVED))
pdc_mouse_status.changes |= 1;
if (((regs.W.bx & 4) ^ (old_ms.W.bx & 4)) ||
if (((ms_regs.W.bx & 4) ^ (old_ms.W.bx & 4)) ||
(pdc_mouse_status.button[1] == BUTTON_MOVED))
pdc_mouse_status.changes |= 2;
if (((regs.W.bx & 2) ^ (old_ms.W.bx & 2)) ||
if (((ms_regs.W.bx & 2) ^ (old_ms.W.bx & 2)) ||
(pdc_mouse_status.button[2] == BUTTON_MOVED))
pdc_mouse_status.changes |= 4;
pdc_mouse_status.x = regs.W.cx >> 3;
pdc_mouse_status.y = regs.W.dx >> 3;
pdc_mouse_status.x = ms_regs.W.cx >> 3;
pdc_mouse_status.y = ms_regs.W.dx >> 3;
old_ms = regs;
old_ms = ms_regs;
/* get shift status for all keyboards */