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Add support for Mike Douglas' FDC+ 8MB disk images #10

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Add support for Mike Douglas' FDC+ 8MB disk images #10

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Binary file added disks/DISK17.DSK
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1 change: 1 addition & 0 deletions disks/DISKDIR.TXT
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ Available disks images:
10100) DISK14.DSK: CP/M 3.0 disk 2 (utilities)
10101) DISK15.DSK: Felix animation system for Dazzler
10110) DISK16.DSK: CP/M 2.2 MITS+Tarbell
10111) DISK17.DSK: CP/M 2.2 FDC+ 8MB
---------------------------------------------

All images except 10,11,12,15 were put together by
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11 changes: 9 additions & 2 deletions drive.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ void drive_set_realtime(bool b) {}
#define DRIVE_NUM_SECTORS_MD 16
#define DRIVE_NUM_TRACKS 77
#define DRIVE_NUM_TRACKS_MD 35
#define DRIVE_NUM_TRACKS_8MB 2048

#define DRIVE_STATUS_HAVEDISK 1
#define DRIVE_STATUS_HEADLOAD 2
Expand All @@ -64,12 +65,12 @@ void drive_set_realtime(bool b) {}
static byte drive_selected = 0xff;
static byte drive_mounted_disk[NUM_DRIVES];
static byte drive_status[NUM_DRIVES];
static byte drive_current_track[NUM_DRIVES];
static uint16_t drive_current_track[NUM_DRIVES];
static byte drive_current_sector[NUM_DRIVES];
static byte drive_current_byte[NUM_DRIVES];
static byte drive_sector_buffer[NUM_DRIVES][DRIVE_SECTOR_LENGTH];
static byte drive_num_sectors[NUM_DRIVES];
static byte drive_num_tracks[NUM_DRIVES];
static uint16_t drive_num_tracks[NUM_DRIVES];
static HOST_FILESYS_FILE_TYPE drive_file[NUM_DRIVES];

#define DRIVE_SECTOR_TRUE_DELAY 5170
Expand Down Expand Up @@ -212,6 +213,12 @@ bool drive_mount(byte drive_num, byte image_num)
drive_num_tracks[drive_num] = DRIVE_NUM_TRACKS_MD;
drive_num_sectors[drive_num] = DRIVE_NUM_SECTORS_MD;
}
else if ( size>8900000 )
{
// FDC+ 8MB disk
drive_num_tracks[drive_num] = DRIVE_NUM_TRACKS_8MB;
drive_num_sectors[drive_num] = DRIVE_NUM_SECTORS;
}
else
{
// regular disk or empty disk
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