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Refactored DMA code.

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This commit is contained in:
SarahW 2018-03-11 09:43:54 +00:00
commit 4182b10e10
2 changed files with 423 additions and 345 deletions
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761
src/dma.c
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27
src/ibm.h
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@ -328,27 +328,24 @@ float pit_timer0_freq();
/*DMA*/
typedef struct DMA
typedef struct dma_t
{
uint32_t ab[4],ac[4];
uint16_t cb[4];
int cc[4];
uint32_t ab, ac;
uint16_t cb;
int cc;
int wp;
uint8_t m,mode[4];
uint8_t page[4];
uint8_t m, mode;
uint8_t page;
uint8_t stat, stat_rq;
uint8_t command;
int size;
int xfr_command, xfr_channel;
int byte_ptr;
int is_ps2;
uint8_t arb_level[4];
uint8_t ps2_mode[4];
} DMA;
DMA dma,dma16;
uint8_t ps2_mode;
uint8_t arb_level;
uint16_t io_addr;
} dma_t;
dma_t dma[8];
/*PPI*/
typedef struct PPI