mirror of https://github.com/aufflick/kegs.git
117 lines
2.2 KiB
C
117 lines
2.2 KiB
C
/************************************************************************/
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/* KEGS: Apple //gs Emulator */
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/* Copyright 2002 by Kent Dickey */
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/* */
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/* This code is covered by the GNU GPL */
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/* */
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/* The KEGS web page is kegs.sourceforge.net */
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/* You may contact the author at: kadickey@alumni.princeton.edu */
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/************************************************************************/
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#ifdef INCLUDE_RCSID_C
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const char rcsid_iwm_h[] = "@(#)$KmKId: iwm.h,v 1.14 2004-10-20 17:29:38-04 kentd Exp $";
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#endif
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#define MAX_TRACKS (2*80)
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#define MAX_C7_DISKS 32
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#define NIB_LEN_525 0x1900 /* 51072 bits per track */
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#define NIBS_FROM_ADDR_TO_DATA 20
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#define DSK_TYPE_PRODOS 0
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#define DSK_TYPE_DOS33 1
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#define DSK_TYPE_NIB 2
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typedef struct _Disk Disk;
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STRUCT(Trk) {
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Disk *dsk;
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byte *nib_area;
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int track_dirty;
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int overflow_size;
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int track_len;
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int unix_pos;
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int unix_len;
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};
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struct _Disk {
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double dcycs_last_read;
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char *name_ptr;
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char *partition_name;
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int partition_num;
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int fd;
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int force_size;
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int image_start;
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int image_size;
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int smartport;
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int disk_525;
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int drive;
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int cur_qtr_track;
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int image_type;
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int vol_num;
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int write_prot;
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int write_through_to_unix;
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int disk_dirty;
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int just_ejected;
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int last_phase;
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int nib_pos;
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int num_tracks;
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Trk *trks;
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};
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STRUCT(Iwm) {
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Disk drive525[2];
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Disk drive35[2];
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Disk smartport[MAX_C7_DISKS];
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int motor_on;
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int motor_off;
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int motor_off_vbl_count;
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int motor_on35;
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int head35;
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int step_direction35;
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int iwm_phase[4];
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int iwm_mode;
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int drive_select;
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int q6;
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int q7;
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int enable2;
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int reset;
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word32 previous_write_val;
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int previous_write_bits;
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};
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STRUCT(Driver_desc) {
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word16 sig;
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word16 blk_size;
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word32 blk_count;
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word16 dev_type;
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word16 dev_id;
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word32 data;
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word16 drvr_count;
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};
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STRUCT(Part_map) {
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word16 sig;
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word16 sigpad;
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word32 map_blk_cnt;
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word32 phys_part_start;
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word32 part_blk_cnt;
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char part_name[32];
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char part_type[32];
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word32 data_start;
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word32 data_cnt;
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word32 part_status;
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word32 log_boot_start;
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word32 boot_size;
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word32 boot_load;
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word32 boot_load2;
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word32 boot_entry;
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word32 boot_entry2;
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word32 boot_cksum;
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char processor[16];
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char junk[128];
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};
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