int tape_seek_to_next_file(tape_image_t *tape_image, unsigned int allow_rewind)
{
switch (tape_image->type) {
case TAPE_TYPE_T64:
return t64_seek_to_next_file((t64_t *)tape_image->data, allow_rewind);
case TAPE_TYPE_TAP:
return tap_seek_to_next_file((tap_t *)tape_image->data, allow_rewind);
}
return -1;
}
/* Find the next Tape Header and load it onto the Tape Buffer. */
int tape_find_header_trap(void)
{
int err;
BYTE *cassette_buffer;
cassette_buffer = mem_ram + (mem_read(buffer_pointer_addr)
| (mem_read((WORD)(buffer_pointer_addr + 1)) << 8));
if (tape_image_dev1->name == NULL
|| tape_image_dev1->type != TAPE_TYPE_T64) {
err = 1;
} else {
t64_t *t64;
t64_file_record_t *rec;
t64 = (t64_t *)tape_image_dev1->data;
rec = NULL;
err = 0;
do {
if (t64_seek_to_next_file(t64, 1) < 0) {
err = 1;
break;
}
rec = t64_get_current_file_record(t64);
} while (rec->entry_type != T64_FILE_RECORD_NORMAL);
if (!err) {
cassette_buffer[CAS_TYPE_OFFSET] = machine_tape_type_default();
cassette_buffer[CAS_STAD_OFFSET] = rec->start_addr & 0xff;
cassette_buffer[CAS_STAD_OFFSET + 1] = rec->start_addr >> 8;
cassette_buffer[CAS_ENAD_OFFSET] = rec->end_addr & 0xff;
cassette_buffer[CAS_ENAD_OFFSET + 1] = rec->end_addr >> 8;
memcpy(cassette_buffer + CAS_NAME_OFFSET,
rec->cbm_name, T64_REC_CBMNAME_LEN);
}
}
