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view cdd_mcu.h @ 2490:a0837ea61fda
Get static images working in GL mode
author | Michael Pavone <pavone@retrodev.com> |
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date | Wed, 17 Apr 2024 21:54:44 -0700 |
parents | 9ead0fe69d9b |
children |
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#ifndef CDD_MCU_H_ #define CDD_MCU_H_ #include "system.h" #include "lc8951.h" #include "cdd_fader.h" #include "serialize.h" typedef enum { SF_ABSOLUTE, SF_RELATIVE, SF_TRACK, SF_TOCO, SF_TOCT, SF_TOCN, SF_E, SF_NOTREADY = 0xF } status_format; typedef enum { CMD_NOP, CMD_STOP, CMD_REPORT_REQUEST, CMD_READ, CMD_SEEK, CMD_INVALID, CMD_PAUSE, CMD_PLAY, CMD_FFWD, CMD_RWD, CMD_TRACK_SKIP, CMD_TRACK_CUE, CMD_DOOR_CLOSE, CMD_DOOR_OPEN } host_cmd; typedef enum { DS_STOP, DS_PLAY, DS_SEEK, DS_SCAN, DS_PAUSE, DS_DOOR_OPEN, DS_SUM_ERROR, DS_CMD_ERROR, DS_FUNC_ERROR, DS_TOC_READ, DS_TRACKING, DS_NO_DISC, DS_DISC_LEADOUT, DS_DISC_LEADIN, DS_TRAY_MOVING, } drive_status; typedef struct { uint8_t status; uint8_t format; union { struct { uint8_t min_high; uint8_t min_low; uint8_t sec_high; uint8_t sec_low; uint8_t frame_high; uint8_t frame_low; uint8_t flags; } time; struct { uint8_t track_high; uint8_t track_low; uint8_t padding0; uint8_t padding1; uint8_t control; uint8_t adr; uint8_t flags; } track; struct { uint8_t first_track_high; uint8_t first_track_low; uint8_t last_track_high; uint8_t last_track_low; uint8_t version; uint8_t padding; uint8_t flags; } toct; struct { uint8_t min_high; uint8_t min_low; uint8_t sec_high; uint8_t sec_low; uint8_t frame_high; uint8_t frame_low; uint8_t track_low; } tocn; struct { } error; } b; uint8_t checksum; } cdd_status; typedef struct { uint8_t cmd_type; uint8_t must_be_zero; union { struct { uint8_t min_high; uint8_t min_low; uint8_t sec_high; uint8_t sec_low; uint8_t frame_high; uint8_t frame_low; } time; struct { uint8_t padding; uint8_t status_type; uint8_t track_high; uint8_t track_low; } format; struct { uint8_t padding; uint8_t direction; uint8_t tracks_highest; uint8_t tracks_midhigh; uint8_t tracks_midlow; uint8_t tracks_lowest; } skip; struct { uint8_t track_high; uint8_t track_low; } track; } b; uint8_t padding; uint8_t checksum; } cdd_cmd; typedef struct { system_media *media; uint32_t cycle; //this is in CD block CLKS uint32_t next_int_cycle; //this is in SCD MCLKS uint32_t next_subcode_int_cycle; uint32_t last_sector_cycle; uint32_t last_nibble_cycle; uint32_t next_byte_cycle; uint32_t next_subcode_cycle; int current_status_nibble; int current_cmd_nibble; int current_sector_byte; int current_subcode_byte; int current_subcode_dest; uint32_t head_pba; uint32_t seek_pba; uint32_t pause_pba; uint32_t coarse_seek; cdd_status status_buffer; cdd_cmd cmd_buffer; status_format requested_format; drive_status status; drive_status error_status; uint8_t requested_track; uint8_t cmd_recv_wait; uint8_t cmd_recv_pending; uint8_t int_pending; uint8_t subcode_int_pending; uint8_t toc_valid; uint8_t first_cmd_received; uint8_t seeking; uint8_t in_fake_pregap; } cdd_mcu; void cdd_mcu_init(cdd_mcu *context, system_media *media); void cdd_mcu_run(cdd_mcu *context, uint32_t cycle, uint16_t *gate_array, lc8951 *cdc, cdd_fader *fader); void cdd_hock_enabled(cdd_mcu *context); void cdd_hock_disabled(cdd_mcu *context); void cdd_mcu_start_cmd_recv(cdd_mcu *context, uint16_t *gate_array); void cdd_mcu_adjust_cycle(cdd_mcu *context, uint32_t deduction); void cdd_mcu_serialize(cdd_mcu *context, serialize_buffer *buf); void cdd_mcu_deserialize(deserialize_buffer *buf, void *vcontext); #endif //CD_MCU_H_