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annotate lc8951.h @ 2231:8e6fb2c06024

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Fix CDC transfer regression
author Michael Pavone <pavone@retrodev.com>
date Thu, 08 Sep 2022 18:56:34 -0700
parents 10e4439d8f13
children 9ead0fe69d9b
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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
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6 typedef uint8_t (*lcd8951_byte_recv_fun)(void *data, uint8_t byte);
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7
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8 typedef struct {
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9 lcd8951_byte_recv_fun byte_handler;
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10 void *handler_data;
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07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
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11 uint32_t cycle;
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12 uint32_t clock_step;
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13 uint32_t cycles_per_byte;
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07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
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14 uint32_t decode_end;
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15 uint32_t transfer_end;
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16 uint32_t next_byte_cycle;
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17 uint16_t sector_counter;
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19 uint8_t buffer[0x4000];
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21 uint8_t regs[16];
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22 uint8_t comin[8];
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23
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24 uint16_t dac;
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25 uint8_t comin_write;
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26 uint8_t comin_count;
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27 uint8_t ifctrl;
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28 uint8_t ctrl0;
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29 uint8_t ctrl1;
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30 uint8_t ar;
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31 uint8_t ar_mask;
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32 uint8_t triggered;
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parents: 2067
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33 uint8_t sync_counter;
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34 } lc8951;
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35
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36 void lc8951_init(lc8951 *context, lcd8951_byte_recv_fun byte_handler, void *handler_data);
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37 void lc8951_set_dma_multiple(lc8951 *context, uint32_t multiple);
2062
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
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parents: 2058
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38 void lc8951_run(lc8951 *context, uint32_t cycle);
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39 void lc8951_reg_write(lc8951 *context, uint8_t value);
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40 uint8_t lc8951_reg_read(lc8951 *context);
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41 void lc8951_ar_write(lc8951 *context, uint8_t value);
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07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
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parents: 2058
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42 void lc8951_write_byte(lc8951 *context, uint32_t cycle, int sector_offset, uint8_t byte);
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
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parents: 2058
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43 uint32_t lc8951_next_interrupt(lc8951 *context);
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a61a8a87410c Fix a bunch of CDC/CDD related mcd-verificator failures
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44 void lc8951_resume_transfer(lc8951 *context, uint32_t cycle);
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45 void lc8951_adjust_cycles(lc8951 *context, uint32_t deduction);
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46
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47 #endif //LC8951_H_