Paxar Gold 6037EX, Руководство программиста

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4-106 Programmer’s Manual
v i d R e a d C u r s o r
Description
Retrieves the specified display page’s current cursor location.
Syntax
void far vidReadCursor(unsigned short far* lpusRow,
unsigned short far* lpusCol,
short sPage);
Parameters
lpusRow A variable pointer to the row. For 4-row printers,
values are
0-3 . For 8-row printers, values are 0-7 .
lpusCol
A variable pointer to the column. Values are
0-19
.
sPage The display page. For 4-row printers, values are 0-3 .
For 8-row printers, values are
0-1
.
Return Values
None
Example
#include <stdio.h>
#include "mmsultra.h"
void main(void)
{
unsigned short usRow = 0; // Row position
unsigned short usColumn = 0; // Column position
vidScroll(0, 0, 3, 11, 0, 0x07); // Clear screen
vidPutCursor(0, 0, 0); // Move cursor
vidReadCursor(&usRow, &usColumn, 0); // Read position
printf("Row position is %d", usRow); // Display results
printf("\nColumn position is %d", usColumn);
}