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comparison lc8951.h @ 2072:cc13c100b027

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Merge Sega CD branch now that it sort of works
author Michael Pavone <pavone@retrodev.com>
date Sun, 30 Jan 2022 22:29:29 -0800
parents f22e04b69272
children 28b6453cf7e3
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2052:3748a2a8a4b7 2072:cc13c100b027
1 #ifndef LC8951_H_
2 #define LC8951_H_
3
4 #include <stdint.h>
5
6 typedef uint8_t (*lcd8951_byte_recv_fun)(void *data, uint8_t byte);
7
8 typedef struct {
9 lcd8951_byte_recv_fun byte_handler;
10 void *handler_data;
11 uint32_t cycle;
12 uint32_t clock_step;
13 uint32_t decode_end;
14 uint32_t transfer_end;
15
16 uint8_t buffer[0x4000];
17
18 uint8_t regs[16];
19 uint8_t comin[8];
20
21 uint16_t dac;
22 uint8_t comin_write;
23 uint8_t comin_count;
24 uint8_t ifctrl;
25 uint8_t ctrl0;
26 uint8_t ctrl1;
27 uint8_t ar;
28 uint8_t ar_mask;
29 } lc8951;
30
31 void lc8951_init(lc8951 *context, lcd8951_byte_recv_fun byte_handler, void *handler_data);
32 void lc8951_run(lc8951 *context, uint32_t cycle);
33 void lc8951_reg_write(lc8951 *context, uint8_t value);
34 uint8_t lc8951_reg_read(lc8951 *context);
35 void lc8951_ar_write(lc8951 *context, uint8_t value);
36 void lc8951_write_byte(lc8951 *context, uint32_t cycle, int sector_offset, uint8_t byte);
37 uint32_t lc8951_next_interrupt(lc8951 *context);
38 void lc8951_resume_transfer(lc8951 *context, uint32_t cycle);
39 void lc8951_adjust_cycles(lc8951 *context, uint32_t deduction);
40
41 #endif //LC8951_H_