diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/tests/mouse.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/tests/mouse.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/tests/mouse.c b/board/MAI/bios_emulator/scitech/src/pm/tests/mouse.c new file mode 100644 index 00000000000..5b426517c82 --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/tests/mouse.c @@ -0,0 +1,109 @@ +/**************************************************************************** +* +* 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: any +* +* Description: Test program to check the ability to install an assembly +* language mouse interrupt handler. We use assembly language +* as it must be a far function and should swap to a local +* 32 bit stack if it is going to call any C based code (which +* we do in this example). +* +* Functions tested: PM_installMouseHandler() +* PM_int86() +* +* +****************************************************************************/ + +#include <stdlib.h> +#include <stdio.h> +#include "pmapi.h" + +volatile long count = 0; + +#pragma off (check_stack) /* No stack checking under Watcom */ + +void PMAPI mouseHandler( + uint mask, + uint butstate, + int x, + int y, + int mickeyX, + int mickeyY) +{ + mask = mask; /* We dont use any of the parameters */ + butstate = butstate; + x = x; + y = y; + mickeyX = mickeyX; + mickeyY = mickeyY; + count++; +} + +int main(void) +{ + RMREGS regs; + PM_lockHandle lh; + + printf("Program running in "); + switch (PM_getModeType()) { + case PM_realMode: + printf("real mode.\n\n"); + break; + case PM_286: + printf("16 bit protected mode.\n\n"); + break; + case PM_386: + printf("32 bit protected mode.\n\n"); + break; + } + + regs.x.ax = 33; /* Mouse function 33 - Software reset */ + PM_int86(0x33,®s,®s); + if (regs.x.bx == 0) { + printf("No mouse installed.\n"); + exit(1); + } + + /* Install our mouse handler and lock handler pages in memory. It is + * difficult to get the size of a function in C, but we know our + * function is well less than 100 bytes (and an entire 4k page will + * need to be locked by the server anyway). + */ + PM_lockCodePages((__codePtr)mouseHandler,100,&lh); + PM_lockDataPages((void*)&count,sizeof(count),&lh); + if (!PM_setMouseHandler(0xFFFF, mouseHandler)) { + printf("Unable to install mouse handler!\n"); + exit(1); + } + printf("Mouse handler installed - Hit any key to exit\n"); + PM_getch(); + + PM_restoreMouseHandler(); + PM_unlockDataPages((void*)&count,sizeof(count),&lh); + PM_unlockCodePages((__codePtr)mouseHandler,100,&lh); + printf("Mouse handler was called %ld times\n", count); + return 0; +} |