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annotate jaguar.h @ 1080:382614130914

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Some initial work on Atari Jaguar emulation
author Michael Pavone <pavone@retrodev.com>
date Tue, 04 Oct 2016 18:30:49 -0700
parents
children f6e998227300
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1080
382614130914 Some initial work on Atari Jaguar emulation
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1 #ifndef JAGUAR_H_
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2 #define JAGUAR_H_
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3
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4 #define DRAM_WORDS (4*1024*1024)
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5 #define LINEBUFFER_WORDS 720
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6 #define GPU_RAM_BYTES 4096
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7 #define DSP_RAM_BYTES 8192
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8
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9 typedef struct {
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10 m68k_context *m68k;
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11 uint16_t *bios;
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12 uint16_t *cart;
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13 uint32_t bios_size;
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14 uint32_t cart_size;
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15 uint32_t memcon;
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16 uint16_t write_latch;
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17 uint8_t write_pending;
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18
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19 uint16_t dram[DRAM_WORDS];
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20 uint32_t gpu_local[GPU_RAM_BYTES / sizeof(uint32_t)];
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21 uint32_t dsp_local[DSP_RAM_BYTES / sizeof(uint32_t)];
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22 uint16_t clut[256];
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23 uint16_t line_buffer_a[LINEBUFFER_WORDS];
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24 uint16_t line_buffer_b[LINEBUFFER_WORDS];
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25 uint16_t *write_line_buffer;
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26 uint16_t *read_line_buffer;
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27
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28 } jaguar_context;
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30
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31 #endif //JAGUAR_H_