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Package: ertos.rar [view]
Upload User: sunrenlu
Upload Date: 2022-06-13
Package Size: 1419k
Code Size: 1k
Category:
OS Develop
Development Platform:
DOS
- #include <rtos.h>
- #include <conio.h>
- #include <dos.h>
- /*
- * mouse_init - returns 0 if no mouse installed
- */
- int mouse_init( void )
- {
- asm {
- xor ax, ax
- int 0x33
- }
- return( _AX );
- }
- /*
- * mouse_show - 1 if visible, 0 if invisible
- */
- void mouse_show( int data )
- {
- if (data)
- _AX = 1;
- else
- _AX = 2;
- asm int 0x33
- }
- /*
- * mouse_posn - return X, Y posn and button status
- */
- void mouse_posn( int *x, int *y, int *buttons )
- {
- int a, b, c;
- asm {
- mov ax, 3
- int 0x33
- mov a, cx
- mov b, dx
- mov c, bx
- }
- *x = a;
- *y = b;
- *buttons = c;
- }