84595f1c78
Unfinished JEGA emulation based on akm's DOSVAX (AX-emulating fork of DOSBox), not yet hooked into the reset of the emulator.
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Implementation of the Intel DMA controllers.
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*
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* Version: @(#)dma.h 1.0.0 2017/05/30
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*
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* Author: Sarah Walker, <http://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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* Copyright 2008-2017 Sarah Walker.
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* Copyright 2016-2017 Miran Grca.
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*/
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void dma_init(void);
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void dma16_init(void);
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void ps2_dma_init(void);
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void dma_reset(void);
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int dma_mode(int channel);
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#define DMA_NODATA -1
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#define DMA_OVER 0x10000
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#define DMA_VERIFY 0x20000
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void readdma0(void);
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int readdma1(void);
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uint8_t readdma2(void);
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int readdma3(void);
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void writedma2(uint8_t temp);
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int dma_channel_read(int channel);
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int dma_channel_write(int channel, uint16_t val);
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void dma_alias_set(void);
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void dma_alias_remove(void);
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void dma_alias_remove_piix(void);
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void DMAPageRead(uint32_t PhysAddress, char *DataRead, uint32_t TotalSize);
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void DMAPageWrite(uint32_t PhysAddress, const char *DataWrite, uint32_t TotalSize);
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