Mercurial > repos > blastem

annotate lc8951.h @ 2130:28b6453cf7e3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Emulate CDC sync detection and sync insertion rather than relying on external knowledge about sector offset
author Michael Pavone <pavone@retrodev.com>
date Tue, 15 Mar 2022 08:58:04 -0700
parents f22e04b69272
children 10e4439d8f13
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #ifndef LC8951_H_
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 #define LC8951_H_
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #include <stdint.h>
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5
2065
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
6 typedef uint8_t (*lcd8951_byte_recv_fun)(void *data, uint8_t byte);
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
7
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 typedef struct {
2065
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
9 lcd8951_byte_recv_fun byte_handler;
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
10 void *handler_data;
2062
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
Michael Pavone <pavone@retrodev.com>
parents: 2058
diff changeset
11 uint32_t cycle;
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
Michael Pavone <pavone@retrodev.com>
parents: 2058
diff changeset
12 uint32_t clock_step;
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
Michael Pavone <pavone@retrodev.com>
parents: 2058
diff changeset
13 uint32_t decode_end;
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
Michael Pavone <pavone@retrodev.com>
parents: 2058
diff changeset
14 uint32_t transfer_end;
2130
28b6453cf7e3 Emulate CDC sync detection and sync insertion rather than relying on external knowledge about sector offset
Michael Pavone <pavone@retrodev.com>
parents: 2067
diff changeset
15 uint16_t sector_counter;
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16
2065
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
17 uint8_t buffer[0x4000];
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
18
2065
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
19 uint8_t regs[16];
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
20 uint8_t comin[8];
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
21
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
22 uint16_t dac;
2065
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
23 uint8_t comin_write;
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
24 uint8_t comin_count;
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
25 uint8_t ifctrl;
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
26 uint8_t ctrl0;
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
27 uint8_t ctrl1;
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
28 uint8_t ar;
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
29 uint8_t ar_mask;
2130
28b6453cf7e3 Emulate CDC sync detection and sync insertion rather than relying on external knowledge about sector offset
Michael Pavone <pavone@retrodev.com>
parents: 2067
diff changeset
30 uint8_t sync_counter;
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 } lc8951;
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32
2065
02a9846668d1 Implement transfer of data from CDC to elsewhere. Other miscellaneous CDD/CDC improvements
Michael Pavone <pavone@retrodev.com>
parents: 2062
diff changeset
33 void lc8951_init(lc8951 *context, lcd8951_byte_recv_fun byte_handler, void *handler_data);
2062
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
Michael Pavone <pavone@retrodev.com>
parents: 2058
diff changeset
34 void lc8951_run(lc8951 *context, uint32_t cycle);
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 void lc8951_reg_write(lc8951 *context, uint8_t value);
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36 uint8_t lc8951_reg_read(lc8951 *context);
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37 void lc8951_ar_write(lc8951 *context, uint8_t value);
2062
07ed42bd7b4c Some progress on CDC and CDD emulation. Now passes first 3 "CDC INIT" tests in mcd-verificator
Michael Pavone <pavone@retrodev.com>
parents: 2058
diff changeset
38 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
Michael Pavone <pavone@retrodev.com>
parents: 2058
diff changeset
39 uint32_t lc8951_next_interrupt(lc8951 *context);
2066
a61a8a87410c Fix a bunch of CDC/CDD related mcd-verificator failures
Michael Pavone <pavone@retrodev.com>
parents: 2065
diff changeset
40 void lc8951_resume_transfer(lc8951 *context, uint32_t cycle);
a61a8a87410c Fix a bunch of CDC/CDD related mcd-verificator failures
Michael Pavone <pavone@retrodev.com>
parents: 2065
diff changeset
41 void lc8951_adjust_cycles(lc8951 *context, uint32_t deduction);
2058
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42
70260f6051dd Initial work on CDC emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43 #endif //LC8951_H_