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95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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vga.h
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A Video Graphics Array driver.
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******************************************************************************/
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#ifndef SORTIX_VGA_H
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#define SORTIX_VGA_H
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#include "device.h"
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namespace Sortix
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{
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class Process;
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namespace VGA
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{
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// TODO: Move these to a better place
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#define COLOR8_BLACK 0
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#define COLOR8_BLUE 1
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#define COLOR8_GREEN 2
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#define COLOR8_CYAN 3
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#define COLOR8_RED 4
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#define COLOR8_MAGENTA 5
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#define COLOR8_BROWN 6
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#define COLOR8_LIGHT_GREY 7
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#define COLOR8_DARK_GREY 8
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#define COLOR8_LIGHT_BLUE 9
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#define COLOR8_LIGHT_GREEN 10
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#define COLOR8_LIGHT_CYAN 11
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#define COLOR8_LIGHT_RED 12
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#define COLOR8_LIGHT_MAGENTA 13
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#define COLOR8_LIGHT_BROWN 14
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#define COLOR8_WHITE 15
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struct Frame
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{
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static const nat Mode = 0x3;
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static const size_t Width = 80;
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static const size_t Height = 25;
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uint16_t Data[80*25];
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};
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struct UserFrame : public Frame
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{
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int fd;
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};
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void Init();
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// System Calls.
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void SysCreateFrame(CPU::InterruptRegisters* R);
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void SysChangeFrame(CPU::InterruptRegisters* R);
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void SysDeleteFrame(CPU::InterruptRegisters* R);
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}
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class DevVGAFrame : public Device
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{
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public:
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virtual nat Flags();
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public:
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DevVGAFrame();
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~DevVGAFrame();
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public:
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Process* process;
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addr_t physical;
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VGA::UserFrame* userframe;
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bool onscreen;
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};
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}
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#endif
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