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IBM360: Updated DASD type determination logic.

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This commit is contained in:
Richard Cornwell
2020-03-27 18:15:52 -04:00
parent abe30d34a1
commit ab1032347c
1 changed files with 8 additions and 4 deletions
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12
IBM360/ibm360_dasd.c
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@@ -1626,7 +1626,7 @@ dasd_format(UNIT * uptr, int flag) {
data->tsize = hdr.tracksize;
if ((data->cbuf = (uint8 *)calloc(tsize, sizeof(uint8))) == 0)
return 1;
for (cyl = 0; cyl <= disk_type[type].cyl; cyl++) {
for (cyl = 0; cyl < disk_type[type].cyl; cyl++) {
pos = 0;
for (hd = 0; hd < disk_type[type].heads; hd++) {
int cpos = pos;
@@ -1686,6 +1686,8 @@ dasd_attach(UNIT * uptr, CONST char *file)
struct dasd_header hdr;
struct dasd_t *data;
int tsize;
size_t isize;
size_t dsize;
if ((r = attach_unit(uptr, file)) != SCPE_OK)
return r;
@@ -1699,12 +1701,14 @@ dasd_attach(UNIT * uptr, CONST char *file)
return SCPE_OK;
}
sim_messagef(SCPE_OK, "Drive %03x=%d %d %02x %d\n\r", addr,
hdr.heads, hdr.tracksize, hdr.devtype, hdr.highcyl);
isize = sim_fsize(uptr->fileref);
sim_messagef(SCPE_OK, "Drive %03x=%d %d %02x %02x %d\n\r", addr,
hdr.heads, hdr.tracksize, hdr.devtype, hdr.fileseq, hdr.highcyl);
for (i = 0; disk_type[i].name != 0; i++) {
tsize = (disk_type[i].bpt | 0x1ff) + 1;
dsize = 512 + (tsize * disk_type[i].heads * disk_type[i].cyl);
if (hdr.devtype == disk_type[i].dev_type && hdr.tracksize == tsize &&
hdr.heads == disk_type[i].heads) {
hdr.heads == disk_type[i].heads && dsize == isize) {
if (GET_TYPE(uptr->flags) != i) {
/* Ask if we should change */
fprintf(stderr, "Wrong type %s\n\r", disk_type[i].name);