Mercurial > repos > blastem
annotate memmap.h @ 2147:4cd60eecb0b1
Fix LC8951 cycle adjustment for data transfer next byte tracking
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 26 Mar 2022 20:10:51 -0700 |
parents | 9caebcfeac72 |
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1 #ifndef MEMMAP_H_ |
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2 #define MEMMAP_H_ |
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3 |
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4 typedef enum { |
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5 READ_16, |
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6 READ_8, |
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7 WRITE_16, |
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8 WRITE_8 |
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9 } ftype; |
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10 |
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11 #define MMAP_READ 0x01 |
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12 #define MMAP_WRITE 0x02 |
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13 #define MMAP_CODE 0x04 |
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14 #define MMAP_PTR_IDX 0x08 |
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15 #define MMAP_ONLY_ODD 0x10 |
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16 #define MMAP_ONLY_EVEN 0x20 |
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17 #define MMAP_FUNC_NULL 0x40 |
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18 #define MMAP_BYTESWAP 0x80 |
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19 #define MMAP_AUX_BUFF 0x100 |
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20 #define MMAP_READ_CODE 0x200 |
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21 |
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22 typedef uint16_t (*read_16_fun)(uint32_t address, void * context); |
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23 typedef uint8_t (*read_8_fun)(uint32_t address, void * context); |
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24 typedef void * (*write_16_fun)(uint32_t address, void * context, uint16_t value); |
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25 typedef void * (*write_8_fun)(uint32_t address, void * context, uint8_t value); |
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26 |
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27 typedef struct { |
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28 uint32_t start; |
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29 uint32_t end; |
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30 uint32_t mask; |
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31 uint32_t aux_mask; |
2134
9caebcfeac72
Implement word RAM interleaving in 1M mode, now passes mcd-verificator word RAM tests
Michael Pavone <pavone@retrodev.com>
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32 int32_t shift; |
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33 uint16_t ptr_index; |
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34 uint16_t flags; |
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35 void * buffer; |
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36 read_16_fun read_16; |
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37 write_16_fun write_16; |
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38 read_8_fun read_8; |
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39 write_8_fun write_8; |
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40 } memmap_chunk; |
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41 |
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42 #endif //MEMMAP_H_ |