71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef BACKENDS_GRAPHICS_ATARI_SUPERVIDEL_H
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#define BACKENDS_GRAPHICS_ATARI_SUPERVIDEL_H
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#include "common/scummsys.h"
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#ifdef USE_SUPERVIDEL
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// bits 26:0
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#define SV_BLITTER_SRC1 ((volatile long *)0x80010058)
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#define SV_BLITTER_SRC2 ((volatile long *)0x8001005C)
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#define SV_BLITTER_DST ((volatile long *)0x80010060)
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// The amount of bytes that are to be copied in a horizontal line, minus 1
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#define SV_BLITTER_COUNT ((volatile long *)0x80010064)
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// The amount of bytes that are to be added to the line start address after a line has been copied, in order to reach the next one
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#define SV_BLITTER_SRC1_OFFSET ((volatile long *)0x80010068)
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#define SV_BLITTER_SRC2_OFFSET ((volatile long *)0x8001006C)
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#define SV_BLITTER_DST_OFFSET ((volatile long *)0x80010070)
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// bits 11:0 - The amount of horizontal lines to do
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#define SV_BLITTER_MASK_AND_LINES ((volatile long *)0x80010074)
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// bit 0 - busy / start
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// bits 4:1 - blit mode
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#define SV_BLITTER_CONTROL ((volatile long *)0x80010078)
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// bits 9:0
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#define SV_VERSION ((volatile long *)0x8001007C)
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// bit 0 - empty (read only)
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// bit 1 - full (read only)
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// bits 31:0 - data (write only)
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#define SV_BLITTER_FIFO ((volatile long *)0x80010080)
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#ifdef USE_SV_BLITTER
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extern int g_superVidelFwVersion;
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extern const byte *g_blitMask;
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void SyncSuperBlitter();
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#endif // USE_SV_BLITTER
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void LockSuperBlitter();
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void UnlockSuperBlitter();
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#else
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static inline void LockSuperBlitter() {}
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static inline void UnlockSuperBlitter() {}
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#endif // USE_SUPERVIDEL
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extern bool g_hasSuperVidel;
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#endif // BACKENDS_GRAPHICS_ATARI_SUPERVIDEL_H
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