fork of PCE focusing on macplus, supporting DaynaPort SCSI network emulation
pti: Add a flags word to the pti header
+26
-10
+5
-2
doc/pti-format.txt
+5
-2
doc/pti-format.txt
···
36
36
------------------------------------------------------------------------
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37
38
38
0 4 Magic ('PTI ')
39
-
4 4 Size (8)
39
+
4 4 Size (12)
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40
8 4 Version (0)
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12 4 Clock
42
-
16 4 CRC
42
+
16 4 Flags
43
+
20 4 CRC
44
+
45
+
- No flags are defined yet.
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46
44
47
45
48
CHUNK "END ": End chunk
+21
-8
src/drivers/pti/pti-img-pti.c
+21
-8
src/drivers/pti/pti-img-pti.c
···
158
158
static
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int pti_load_header (pti_load_t *pti, unsigned long size)
160
160
{
161
-
unsigned char buf[8];
162
-
unsigned long vers, clock;
161
+
unsigned n;
162
+
unsigned char buf[16];
163
+
unsigned long vers, clock, flags;
164
+
165
+
n = 12;
163
166
164
167
if (size < 8) {
165
168
return (1);
169
+
}
170
+
else if (size < 12) {
171
+
n = 8;
166
172
}
167
173
168
-
if (pti_read_crc (pti, buf, 8)) {
174
+
if (pti_read_crc (pti, buf, n)) {
169
175
return (1);
170
176
}
171
177
···
180
186
181
187
pti_img_set_clock (pti->img, clock);
182
188
183
-
if (pti_skip_chunk (pti, size - 8)) {
189
+
flags = (n >= 12) ? pti_get_uint32_be (buf, 8) : 0;
190
+
191
+
if (flags) {
192
+
fprintf (stderr, "pti: unknown flags (0x%08lx)\n", flags);
193
+
}
194
+
195
+
if (pti_skip_chunk (pti, size - n)) {
184
196
return (1);
185
197
}
186
198
···
467
479
static
468
480
int pti_save_header (FILE *fp, const pti_img_t *img)
469
481
{
470
-
unsigned char buf[20];
482
+
unsigned char buf[24];
471
483
472
484
pti_set_uint32_be (buf, 0, PTI_MAGIC_PTI);
473
-
pti_set_uint32_be (buf, 4, 8);
485
+
pti_set_uint32_be (buf, 4, 12);
474
486
pti_set_uint32_be (buf, 8, 0);
475
487
pti_set_uint32_be (buf, 12, pti_img_get_clock (img));
476
-
pti_set_uint32_be (buf, 16, pti_crc (0, buf, 16));
488
+
pti_set_uint32_be (buf, 16, 0);
489
+
pti_set_uint32_be (buf, 20, pti_crc (0, buf, 20));
477
490
478
-
if (pti_write (fp, buf, 20)) {
491
+
if (pti_write (fp, buf, 24)) {
479
492
return (1);
480
493
}
481
494