2019-02-16 23:36:33 +01:00
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
|
// GNU GPL OS/K //
|
|
|
|
|
// //
|
|
|
|
|
// Desc: Cursor-related functions //
|
|
|
|
|
// //
|
|
|
|
|
// //
|
|
|
|
|
// Copyright © 2018-2019 The OS/K Team //
|
|
|
|
|
// //
|
|
|
|
|
// This file is part of OS/K. //
|
|
|
|
|
// //
|
|
|
|
|
// OS/K is free software: you can redistribute it and/or modify //
|
|
|
|
|
// it under the terms of the GNU General Public License as published by //
|
|
|
|
|
// the Free Software Foundation, either version 3 of the License, or //
|
|
|
|
|
// any later version. //
|
|
|
|
|
// //
|
|
|
|
|
// OS/K is distributed in the hope that it will be useful, //
|
|
|
|
|
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
|
|
|
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
|
|
|
|
|
// GNU General Public License for more details. //
|
|
|
|
|
// //
|
|
|
|
|
// You should have received a copy of the GNU General Public License //
|
|
|
|
|
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
|
|
|
|
|
//----------------------------------------------------------------------------//
|
2019-04-21 21:18:13 +02:00
|
|
|
|
|
|
|
|
#include <kernel/boot.h>
|
|
|
|
|
#include <kernel/cursor.h>
|
|
|
|
|
#include <kernel/iomisc.h>
|
|
|
|
|
|
|
|
|
|
void IoEnableCursor(void)
|
|
|
|
|
{
|
|
|
|
|
IoWriteByteOnPort(0x3D4, 0xA);
|
2019-04-22 17:19:53 +02:00
|
|
|
IoWriteByteOnPort(0x3D5, (IoReadByteFromPort(0x3D5) & 0xC0) | 15);
|
2019-04-21 21:18:13 +02:00
|
|
|
|
|
|
|
|
IoWriteByteOnPort(0x3D4, 0xB);
|
|
|
|
|
IoWriteByteOnPort(0x3D5, (IoReadByteFromPort(0x3D5) & 0xE0) | 15);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void IoDisableCursor(void)
|
|
|
|
|
{
|
|
|
|
|
IoWriteByteOnPort(0x3D4, 0x0A);
|
|
|
|
|
IoWriteByteOnPort(0x3D5, 0x20);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void IoUpdateCursor(int x, int y)
|
|
|
|
|
{
|
|
|
|
|
const ushort pos = y * BtVideoInfo.framebufferWidth + x;
|
|
|
|
|
|
|
|
|
|
IoWriteByteOnPort(0x3D4, 0x0F);
|
|
|
|
|
IoWriteByteOnPort(0x3D5, (pos & 0xFF));
|
|
|
|
|
IoWriteByteOnPort(0x3D4, 0x0E);
|
|
|
|
|
IoWriteByteOnPort(0x3D5, ((pos >> 8) & 0xFF));
|
|
|
|
|
}
|
