41 lines
1.8 KiB
C
41 lines
1.8 KiB
C
/****************************************************************************
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* *
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* Project64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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// Based from MAME's N64DD driver code by Happy_
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#pragma once
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#include <Common/stdtypes.h>
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void DiskCommand(void);
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void DiskReset(void);
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void DiskBMControl(void);
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void DiskGapSectorCheck(void);
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void DiskBMUpdate(void);
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void DiskBMRead(void);
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void DiskBMWrite(void);
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void DiskSetOffset(void);
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void DiskDMACheck(void);
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extern bool dd_write;
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extern bool dd_reset_hold;
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extern uint32_t dd_track_offset, dd_zone;
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extern uint32_t dd_start_block, dd_current;
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const uint32_t ddZoneSecSize[16] = { 232, 216, 208, 192, 176, 160, 144, 128,
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216, 208, 192, 176, 160, 144, 128, 112 };
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const uint32_t ddZoneTrackSize[16] = { 158, 158, 149, 149, 149, 149, 149, 114,
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158, 158, 149, 149, 149, 149, 149, 114 };
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const uint32_t ddStartOffset[16] =
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{ 0x0, 0x5F15E0, 0xB79D00, 0x10801A0, 0x1523720, 0x1963D80, 0x1D414C0, 0x20BBCE0,
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0x23196E0, 0x28A1E00, 0x2DF5DC0, 0x3299340, 0x36D99A0, 0x3AB70E0, 0x3E31900, 0x4149200 };
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#define SECTORS_PER_BLOCK 85
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#define BLOCKS_PER_TRACK 2
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