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Cream of the Crop 1
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MSJV7_1.ARJ
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MCURSOR.C
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1992-01-01
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85 lines
//***************************************************************************
// MCURSOR demonstrates the interaction between the mouse graphics cursor
// screen mask and cursor mask in 640 by 480 16-color VGA graphics mode.
//***************************************************************************
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <graph.h>
#include <dos.h>
union REGS inregs, outregs;
struct SREGS segregs;
unsigned int mask[] = {
0x0000, // 0000000000000000 Screen Mask
0x8001, // 1000000000000001
0xC003, // 1100000000000011
0xE007, // 1110000000000111
0xF00F, // 1111000000001111
0xF81F, // 1111100000011111
0xFC3F, // 1111110000111111
0xFE7F, // 1111111001111111
0xFC3F, // 1111110000111111
0xF81F, // 1111100000011111
0xF00F, // 1111000000001111
0xE007, // 1110000000000111
0xC003, // 1100000000000011
0x8001, // 1000000000000001
0x0000, // 0000000000000000
0xFFFF, // 1111111111111111
0x0000, // 0000000000000000 Cursor Mask
0x3FFC, // 0011111111111100
0x1FF8, // 0001111111111000
0x0FF0, // 0000111111110000
0x07E0, // 0000011111100000
0x03C0, // 0000001111000000
0x0180, // 0000000110000000
0x0000, // 0000000000000000
0x0180, // 0000000110000000
0x03C0, // 0000001111000000
0x07E0, // 0000011111100000
0x0FF0, // 0000111111110000
0x1FF8, // 0001111111111000
0x3FFC, // 0011111111111100
0x0000, // 0000000000000000
0x0000 // 0000000000000000
};
char fillmask[] = { 0xF0, 0xF0, 0xF0, 0xF0, 0x0F, 0x0F, 0x0F, 0x0F };
void main (void)
{
// Switch to 640 x 480 16-color graphics
if (!_setvideomode(_VRES16COLOR)) {
printf("VGA graphics not supported\n");
exit;
}
// Clear the screen
_setcolor(3);
_rectangle(_GFILLINTERIOR, 0, 0, 639, 479);
_setfillmask(fillmask);
_setcolor(4);
_floodfill(0, 0, 7);
// Define the graphics cursor
inregs.x.ax = 9;
inregs.x.bx = 0;
inregs.x.cx = 0;
inregs.x.dx = (int) mask;
segread(&segregs);
segregs.es = segregs.ds;
int86x(0x33, &inregs, &outregs, &segregs);
// Display the graphics cursor
inregs.x.ax = 1;
int86x(0x33, &inregs, &outregs, &segregs);
// Wait for a keypress and exit
getch();
_setvideomode(_TEXTC80);
}