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annotate lc8951.h @ 2283:6f6f21d0c396

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Fix missing address masks on some VRAM reads
author Michael Pavone <pavone@retrodev.com>
date Mon, 09 Jan 2023 00:15:26 -0800
parents 9ead0fe69d9b
children 9f0c67e5c50a
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1 #ifndef LC8951_H_
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2 #define LC8951_H_
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3
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4 #include <stdint.h>
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5 #include "serialize.h"
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7 typedef uint8_t (*lcd8951_byte_recv_fun)(void *data, uint8_t byte);
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8
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9 typedef struct {
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10 lcd8951_byte_recv_fun byte_handler;
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11 void *handler_data;
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12 uint32_t cycle;
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13 uint32_t clock_step;
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14 uint32_t cycles_per_byte;
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15 uint32_t decode_end;
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16 uint32_t transfer_end;
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17 uint32_t next_byte_cycle;
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18 uint16_t sector_counter;
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19
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20 uint8_t buffer[0x4000];
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21
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22 uint8_t regs[16];
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23 uint8_t comin[8];
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25 uint16_t dac;
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26 uint8_t comin_write;
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27 uint8_t comin_count;
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28 uint8_t ifctrl;
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29 uint8_t ctrl0;
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30 uint8_t ctrl1;
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31 uint8_t ar;
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32 uint8_t ar_mask;
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33 uint8_t triggered;
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34 uint8_t sync_counter;
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35 } lc8951;
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36
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37 void lc8951_init(lc8951 *context, lcd8951_byte_recv_fun byte_handler, void *handler_data);
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38 void lc8951_set_dma_multiple(lc8951 *context, uint32_t multiple);
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39 void lc8951_run(lc8951 *context, uint32_t cycle);
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40 void lc8951_reg_write(lc8951 *context, uint8_t value);
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41 uint8_t lc8951_reg_read(lc8951 *context);
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42 void lc8951_ar_write(lc8951 *context, uint8_t value);
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43 void lc8951_write_byte(lc8951 *context, uint32_t cycle, int sector_offset, uint8_t byte);
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44 uint32_t lc8951_next_interrupt(lc8951 *context);
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45 void lc8951_resume_transfer(lc8951 *context, uint32_t cycle);
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46 void lc8951_adjust_cycles(lc8951 *context, uint32_t deduction);
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47 void lc8951_serialize(lc8951 *context, serialize_buffer *buf);
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48 void lc8951_deserialize(deserialize_buffer *buf, void *vcontext);
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49
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50 #endif //LC8951_H_