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annotate jaguar.h @ 1090:a68274a25e2f

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Initial stab at implementing the Jaguar object processor
author Michael Pavone <pavone@retrodev.com>
date Sun, 16 Oct 2016 18:25:18 -0700
parents 6433d4d05934
children faa3a4617f62
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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 (1*1024*1024)
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5 #define GPU_RAM_BYTES 4096
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6 #define DSP_RAM_BYTES 8192
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7
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8 #include "jag_video.h"
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9 typedef struct m68k_context m68k_context;
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10 typedef struct {
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11 m68k_context *m68k;
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12 jag_video *video;
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13 uint16_t *bios;
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14 uint16_t *cart;
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15 uint32_t bios_size;
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16 uint32_t cart_size;
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f6e998227300 Byteswap ROMs in jaguar ROM loader. Handle switching memory map from writes to memcon1. Fix some typos in error messages
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17 uint32_t memcon1;
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18 uint32_t memcon2;
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19 uint32_t rom_cycles;
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20 uint16_t write_latch;
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21 uint8_t write_pending;
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22
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23 uint16_t dram[DRAM_WORDS];
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24 uint32_t gpu_local[GPU_RAM_BYTES / sizeof(uint32_t)];
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25 uint32_t dsp_local[DSP_RAM_BYTES / sizeof(uint32_t)];
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27 uint8_t memcon_written;
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28 } jaguar_context;
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30 uint64_t jag_read_phrase(jaguar_context *system, uint32_t address, uint32_t *cycles);
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31 uint32_t jag_write_phrase(jaguar_context *system, uint32_t address, uint64_t value);
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34 #endif //JAGUAR_H_