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Can now select to emulate 1.2MB 5.25" disc drive, with double stepping.

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This commit is contained in:
TomW 2015-08-24 21:09:35 +01:00
commit 4e9ee6e927
7 changed files with 56 additions and 9 deletions
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17
src/disc_img.c
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@ -87,7 +87,12 @@ void img_seek(int drive, int track)
if (!img[drive].f)
return;
// pclog("Seek drive=%i track=%i sectors=%i sector_size=%i sides=%i\n", drive, track, img[drive].sectors,img[drive].sector_size, img[drive].sides);
if (drive_type[drive] && img[drive].tracks == 40)
track /= 2;
disc_track[drive] = track;
if (img[drive].sides == 2)
{
fseek(img[drive].f, track * img[drive].sectors * img[drive].sector_size * 2, SEEK_SET);
@ -120,6 +125,9 @@ void img_writeback(int drive, int track)
void img_readsector(int drive, int sector, int track, int side, int rate)
{
if (drive_type[drive] && rate == 1)
rate = 2;
img_sector = sector - 1;
img_track = track;
img_side = side;
@ -142,6 +150,9 @@ void img_readsector(int drive, int sector, int track, int side, int rate)
void img_writesector(int drive, int sector, int track, int side, int rate)
{
if (drive_type[drive] && rate == 1)
rate = 2;
// if (imgdblstep[drive]) track/=2;
img_sector = sector - 1;
img_track = track;
@ -163,6 +174,9 @@ void img_writesector(int drive, int sector, int track, int side, int rate)
void img_readaddress(int drive, int track, int side, int rate)
{
if (drive_type[drive] && rate == 1)
rate = 2;
img_drive = drive;
img_track = track;
img_side = side;
@ -183,6 +197,9 @@ void img_readaddress(int drive, int track, int side, int rate)
void img_format(int drive, int track, int side, int rate)
{
if (drive_type[drive] && rate == 1)
rate = 2;
img_drive = drive;
img_track = track;
img_side = side;