summaryrefslogtreecommitdiffstats
path: root/board/MAI/bios_emulator/scitech/src/pm/smx/event.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/smx/event.c')
-rw-r--r--board/MAI/bios_emulator/scitech/src/pm/smx/event.c368
1 files changed, 0 insertions, 368 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/smx/event.c b/board/MAI/bios_emulator/scitech/src/pm/smx/event.c
deleted file mode 100644
index 533c2615b1..0000000000
--- a/board/MAI/bios_emulator/scitech/src/pm/smx/event.c
+++ /dev/null
@@ -1,368 +0,0 @@
-/****************************************************************************
-*
-* SciTech OS Portability Manager Library
-*
-* ========================================================================
-*
-* The contents of this file are subject to the SciTech MGL Public
-* License Version 1.0 (the "License"); you may not use this file
-* except in compliance with the License. You may obtain a copy of
-* the License at http://www.scitechsoft.com/mgl-license.txt
-*
-* Software distributed under the License is distributed on an
-* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
-* implied. See the License for the specific language governing
-* rights and limitations under the License.
-*
-* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc.
-*
-* The Initial Developer of the Original Code is SciTech Software, Inc.
-* All Rights Reserved.
-*
-* ========================================================================
-*
-* Language: ANSI C
-* Environment: 32-bit SMX embedded systems development
-*
-* Description: 32-bit SMX implementation for the SciTech cross platform
-* event library.
-*
-****************************************************************************/
-
-#include "smx/ps2mouse.h"
-
-/*--------------------------- Global variables ----------------------------*/
-
-ibool _VARAPI _EVT_useEvents = true; /* True to use event handling */
-ibool _VARAPI _EVT_installed = 0; /* Event handers installed? */
-uchar _VARAPI *_EVT_biosPtr = NULL; /* Pointer to the BIOS data area */
-static ibool haveMouse = false; /* True if we have a mouse */
-
-/*---------------------------- Implementation -----------------------------*/
-
-/* External assembler functions */
-
-void EVTAPI _EVT_pollJoystick(void);
-uint EVTAPI _EVT_disableInt(void);
-uint EVTAPI _EVT_restoreInt(uint flags);
-void EVTAPI _EVT_codeStart(void);
-void EVTAPI _EVT_codeEnd(void);
-void EVTAPI _EVT_cCodeStart(void);
-void EVTAPI _EVT_cCodeEnd(void);
-int EVTAPI _EVT_getKeyCode(void);
-int EVTAPI EVT_rdinx(int port,int index);
-void EVTAPI EVT_wrinx(int port,int index,int value);
-
-/****************************************************************************
-REMARKS:
-Do nothing for DOS, because we are fully interrupt driven.
-****************************************************************************/
-#define _EVT_pumpMessages()
-
-/****************************************************************************
-REMARKS:
-This function is used to return the number of ticks since system
-startup in milliseconds. This should be the same value that is placed into
-the time stamp fields of events, and is used to implement auto mouse down
-events.
-****************************************************************************/
-ulong _EVT_getTicks(void)
-{
- return (ulong)PM_getLong(_EVT_biosPtr+0x6C) * 55UL;
-}
-
-/****************************************************************************
-REMARKS:
-Include generic raw scancode keyboard module.
-****************************************************************************/
-#include "common/keyboard.c"
-
-/****************************************************************************
-REMARKS:
-Determines if we have a mouse attached and functioning.
-****************************************************************************/
-static ibool detectMouse(void)
-{
- return(ps2Query());
-}
-
-/****************************************************************************
-PARAMETERS:
-what - Event code
-message - Event message
-x,y - Mouse position at time of event
-but_stat - Mouse button status at time of event
-
-REMARKS:
-Adds a new mouse event to the event queue. This routine is called from within
-the mouse interrupt subroutine, so it must be efficient.
-
-NOTE: Interrupts MUST be OFF while this routine is called to ensure we have
- mutually exclusive access to our internal data structures for
- interrupt driven systems (like under DOS).
-****************************************************************************/
-static void addMouseEvent(
- uint what,
- uint message,
- int x,
- int y,
- int mickeyX,
- int mickeyY,
- uint but_stat)
-{
- event_t evt;
-
- if (EVT.count < EVENTQSIZE) {
- /* Save information in event record. */
- evt.when = _EVT_getTicks();
- evt.what = what;
- evt.message = message;
- evt.modifiers = but_stat;
- evt.where_x = x; /* Save mouse event position */
- evt.where_y = y;
- evt.relative_x = mickeyX;
- evt.relative_y = mickeyY;
- evt.modifiers |= EVT.keyModifiers;
- addEvent(&evt); /* Add to tail of event queue */
- }
-}
-
-/****************************************************************************
-PARAMETERS:
-mask - Event mask
-butstate - Button state
-x - Mouse x coordinate
-y - Mouse y coordinate
-
-REMARKS:
-Mouse event handling routine. This gets called when a mouse event occurs,
-and we call the addMouseEvent() routine to add the appropriate mouse event
-to the event queue.
-
-Note: Interrupts are ON when this routine is called by the mouse driver code.
-/*AM: NOTE: This function has not actually been ported from DOS yet and should not */
-/*AM: be installed until it is. */
-****************************************************************************/
-static void EVTAPI mouseISR(
- uint mask,
- uint butstate,
- int x,
- int y,
- int mickeyX,
- int mickeyY)
-{
- RMREGS regs;
- uint ps;
-
- if (mask & 1) {
- /* Save the current mouse coordinates */
- EVT.mx = x; EVT.my = y;
-
- /* If the last event was a movement event, then modify the last
- * event rather than post a new one, so that the queue will not
- * become saturated. Before we modify the data structures, we
- * MUST ensure that interrupts are off.
- */
- ps = _EVT_disableInt();
- if (EVT.oldMove != -1) {
- EVT.evtq[EVT.oldMove].where_x = x; /* Modify existing one */
- EVT.evtq[EVT.oldMove].where_y = y;
- EVT.evtq[EVT.oldMove].relative_x += mickeyX;
- EVT.evtq[EVT.oldMove].relative_y += mickeyY;
- }
- else {
- EVT.oldMove = EVT.freeHead; /* Save id of this move event */
- addMouseEvent(EVT_MOUSEMOVE,0,x,y,mickeyX,mickeyY,butstate);
- }
- _EVT_restoreInt(ps);
- }
- if (mask & 0x2A) {
- ps = _EVT_disableInt();
- addMouseEvent(EVT_MOUSEDOWN,mask >> 1,x,y,0,0,butstate);
- EVT.oldMove = -1;
- _EVT_restoreInt(ps);
- }
- if (mask & 0x54) {
- ps = _EVT_disableInt();
- addMouseEvent(EVT_MOUSEUP,mask >> 2,x,y,0,0,butstate);
- EVT.oldMove = -1;
- _EVT_restoreInt(ps);
- }
- EVT.oldKey = -1;
-}
-
-/****************************************************************************
-REMARKS:
-Keyboard interrupt handler function.
-
-NOTE: Interrupts are OFF when this routine is called by the keyboard ISR,
- and we leave them OFF the entire time. This has been modified to work
- in conjunction with smx keyboard handler.
-****************************************************************************/
-static void EVTAPI keyboardISR(void)
-{
- PM_chainPrevKey();
- processRawScanCode(PM_inpb(0x60));
- PM_outpb(0x20,0x20);
-}
-
-/****************************************************************************
-REMARKS:
-Safely abort the event module upon catching a fatal error.
-****************************************************************************/
-void _EVT_abort()
-{
- EVT_exit();
- PM_fatalError("Unhandled exception!");
-}
-
-/****************************************************************************
-PARAMETERS:
-mouseMove - Callback function to call wheneve the mouse needs to be moved
-
-REMARKS:
-Initiliase the event handling module. Here we install our mouse handling ISR
-to be called whenever any button's are pressed or released. We also build
-the free list of events in the event queue.
-
-We use handler number 2 of the mouse libraries interrupt handlers for our
-event handling routines.
-****************************************************************************/
-void EVTAPI EVT_init(
- _EVT_mouseMoveHandler mouseMove)
-{
- int i;
-
- EVT.mouseMove = mouseMove;
- _EVT_biosPtr = PM_getBIOSPointer();
- EVT_resume();
-}
-
-/****************************************************************************
-REMARKS:
-Initiailises the internal event handling modules. The EVT_suspend function
-can be called to suspend event handling (such as when shelling out to DOS),
-and this function can be used to resume it again later.
-****************************************************************************/
-void EVTAPI EVT_resume(void)
-{
- static int locked = 0;
- int stat;
- uchar mods;
- PM_lockHandle lh;
-
- if (_EVT_useEvents) {
- /* Initialise the event queue and enable our interrupt handlers */
- initEventQueue();
- PM_setKeyHandler(keyboardISR);
- if ((haveMouse = detectMouse()) != 0)
- PM_setMouseHandler(0xFFFF,mouseISR);
-
- /* Read the keyboard modifier flags from the BIOS to get the
- * correct initialisation state. The only state we care about is
- * the correct toggle state flags such as SCROLLLOCK, NUMLOCK and
- * CAPSLOCK.
- */
- EVT.keyModifiers = 0;
- mods = PM_getByte(_EVT_biosPtr+0x17);
- if (mods & 0x10)
- EVT.keyModifiers |= EVT_SCROLLLOCK;
- if (mods & 0x20)
- EVT.keyModifiers |= EVT_NUMLOCK;
- if (mods & 0x40)
- EVT.keyModifiers |= EVT_CAPSLOCK;
-
- /* Lock all of the code and data used by our protected mode interrupt
- * handling routines, so that it will continue to work correctly
- * under real mode.
- */
- if (!locked) {
- /* It is difficult to ensure that we lock our global data, so we
- * do this by taking the address of a variable locking all data
- * 2Kb on either side. This should properly cover the global data
- * used by the module (the other alternative is to declare the
- * variables in assembler, in which case we know it will be
- * correct).
- */
- stat = !PM_lockDataPages(&EVT,sizeof(EVT),&lh);
- stat |= !PM_lockDataPages(&_EVT_biosPtr,sizeof(_EVT_biosPtr),&lh);
- stat |= !PM_lockCodePages((__codePtr)_EVT_cCodeStart,(int)_EVT_cCodeEnd-(int)_EVT_cCodeStart,&lh);
- stat |= !PM_lockCodePages((__codePtr)_EVT_codeStart,(int)_EVT_codeEnd-(int)_EVT_codeStart,&lh);
- if (stat) {
- PM_fatalError("Page locking services failed - interrupt handling not safe!");
- exit(1);
- }
- locked = 1;
- }
-
- _EVT_installed = true;
- }
-}
-
-/****************************************************************************
-REMARKS
-Changes the range of coordinates returned by the mouse functions to the
-specified range of values. This is used when changing between graphics
-modes set the range of mouse coordinates for the new display mode.
-****************************************************************************/
-void EVTAPI EVT_setMouseRange(
- int xRes,
- int yRes)
-{
- if (haveMouse) {
- ps2MouseStop();
- ps2MouseStart( 0, xRes, 0, yRes, -1, -1, -1);
- }
-}
-
-/****************************************************************************
-REMARKS
-Modifes the mouse coordinates as necessary if scaling to OS coordinates,
-and sets the OS mouse cursor position.
-****************************************************************************/
-void _EVT_setMousePos(
- int *x,
- int *y)
-{
- if (haveMouse)
- ps2MouseMove(*x, *y);
-}
-
-/****************************************************************************
-REMARKS
-Suspends all of our event handling operations. This is also used to
-de-install the event handling code.
-****************************************************************************/
-void EVTAPI EVT_suspend(void)
-{
- uchar mods;
-
- if (_EVT_installed) {
- PM_restoreKeyHandler();
- if (haveMouse)
- PM_restoreMouseHandler();
-
- /* Set the keyboard modifier flags in the BIOS to our values */
- EVT_allowLEDS(true);
- mods = PM_getByte(_EVT_biosPtr+0x17) & ~0x70;
- if (EVT.keyModifiers & EVT_SCROLLLOCK)
- mods |= 0x10;
- if (EVT.keyModifiers & EVT_NUMLOCK)
- mods |= 0x20;
- if (EVT.keyModifiers & EVT_CAPSLOCK)
- mods |= 0x40;
- PM_setByte(_EVT_biosPtr+0x17,mods);
-
- /* Flag that we are no longer installed */
- _EVT_installed = false;
- }
-}
-
-/****************************************************************************
-REMARKS
-Exits the event module for program terminatation.
-****************************************************************************/
-void EVTAPI EVT_exit(void)
-{
- EVT_suspend();
-}
OpenPOWER on IntegriCloud