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Some tweaks to hard disk image creation.

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This commit is contained in:
OBattler
2018-03-19 09:48:44 +01:00
parent 7d070e2930
commit 7237cc7237
4 changed files with 42 additions and 32 deletions
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30
src/disk/hdd_image.c
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@@ -8,7 +8,7 @@
*
* Handling of hard disk image files.
*
* Version: @(#)hdd_image.c 1.0.12 2018/02/08
* Version: @(#)hdd_image.c 1.0.13 2018/03/19
*
* Authors: Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
@@ -288,29 +288,29 @@ int hdd_image_load(int id)
if (ftello64(hdd_images[id].file) < (full_size + hdd_images[id].base)) {
s = (full_size + hdd_images[id].base) - ftello64(hdd_images[id].file);
prepare_new_hard_disk:
s >>= 9;
t = (s >> 11) << 11;
s -= t;
t >>= 11;
t = s >> 20; /* Amount of 1 MB blocks. */
s &= 0xfffff; /* 1 MB mask. */
empty_sector_1mb = (char *) malloc(1048576);
memset(empty_sector_1mb, 0, 1048576);
/* Temporarily switch off suppression of seen messages so that the
progress gets displayed. */
pclog_toggle_suppr();
pclog("Writing image sectors: [");
if (s > 0) {
for (i = 0; i < s; i++) {
/* First, write all the 1 MB blocks. */
if (t > 0) {
for (i = 0; i < t; i++) {
fwrite(empty_sector_1mb, 1, 1045876, hdd_images[id].file);
pclog("#");
fwrite(empty_sector, 1, 512, hdd_images[id].file);
}
}
if (t > 0) {
for (i = 0; i < t; i++) {
pclog("#");
fwrite(empty_sector_1mb, 1, 1045876, hdd_images[id].file);
}
}
pclog("]\n");
/* Then, write the remainder. */
fwrite(empty_sector_1mb, 1, s, hdd_images[id].file);
pclog("#]\n");
pclog_toggle_suppr();
free(empty_sector_1mb);
}