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Removed debug fatal on data CRC error from the 86F handler;

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Prepare sector function can ignore rather than wrap around if so told;
Format now tells prepare sector to not wrap around.
This commit is contained in:
OBattler
2016-09-23 01:06:05 +02:00
parent 4368256f41
commit b25b614e6e
4 changed files with 66 additions and 41 deletions
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96
src/disc_86f.c
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@@ -854,7 +854,7 @@ void d86f_writesector(int drive, int sector, int track, int side, int rate, int
d86f[drive].req_sector.id.r = sector;
d86f[drive].req_sector.id.n = sector_size;
// pclog("d86f_writesector: drive=%c: fdc_period=%i img_period=%i rate=%i chrn=%08X\n", drive + 0x41, fdc_get_bitcell_period(), d86f_get_bitcell_period(drive), rate, d86f[drive].req_sector.dword);
pclog("d86f_writesector: drive=%c: fdc_period=%i img_period=%i rate=%i chrn=%08X\n", drive + 0x41, fdc_get_bitcell_period(), d86f_get_bitcell_period(drive), rate, d86f[drive].req_sector.dword);
if (writeprot[drive] || swwp)
{
@@ -958,7 +958,7 @@ void d86f_calccrc_buf(int drive, uint8_t *buf, uint16_t len)
}
}
static void *d86f_memset(void *str, int c, size_t n, size_t s, uint16_t rs)
static void *d86f_memset(void *str, int c, size_t n, size_t s, uint16_t rs, int limit)
{
void *temp;
@@ -973,7 +973,7 @@ static void *d86f_memset(void *str, int c, size_t n, size_t s, uint16_t rs)
wrap_str[0] = (uint8_t *) str;
wrap_str[1] = wrap_str[0] - s;
temp = memset(wrap_str[0], c, wrap_n[0]);
temp = memset(wrap_str[1], c, wrap_n[1]);
if (limit) temp = memset(wrap_str[1], c, wrap_n[1]);
}
else
{
@@ -983,7 +983,7 @@ static void *d86f_memset(void *str, int c, size_t n, size_t s, uint16_t rs)
return temp;
}
static void *d86f_memcpy(void *str1, const void *str2, size_t n, size_t s, uint16_t rs)
static void *d86f_memcpy(void *str1, const void *str2, size_t n, size_t s, uint16_t rs, int limit)
{
void *temp;
@@ -1001,7 +1001,7 @@ static void *d86f_memcpy(void *str1, const void *str2, size_t n, size_t s, uint1
wrap_str1[1] = wrap_str1[0] - s;
wrap_str2[1] = wrap_str2[0] + wrap_n[0];
temp = memcpy(wrap_str1[0], wrap_str2[0], wrap_n[0]);
temp = memcpy(wrap_str1[1], wrap_str2[1], wrap_n[1]);
if (limit) temp = memcpy(wrap_str1[1], wrap_str2[1], wrap_n[1]);
}
else
{
@@ -1011,7 +1011,7 @@ static void *d86f_memcpy(void *str1, const void *str2, size_t n, size_t s, uint1
return temp;
}
uint16_t d86f_prepare_sector(int drive, int side, int pos, uint8_t *id_buf, uint8_t *data_buf, int data_len, int write_data, int gap2, int gap3)
uint16_t d86f_prepare_sector(int drive, int side, int pos, uint8_t *id_buf, uint8_t *data_buf, int data_len, int write_data, int gap2, int gap3, int limit)
{
uint16_t i = pos;
uint16_t j = 0;
@@ -1030,96 +1030,108 @@ uint16_t d86f_prepare_sector(int drive, int side, int pos, uint8_t *id_buf, uint
sync_len = mfm ? 12 : 6;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_ID_SYNC, sync_len, i, rs);
if (write_data) d86f_memset(d86f[drive].track_data[side] + i, 0, sync_len, i, rs);
if (write_data) d86f_memset(d86f[drive].track_data[side] + i, 0, sync_len, i, rs, limit);
i += sync_len;
if ((i >= rs) && limit) return 0;
i %= rs;
if (mfm)
{
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_IDAM_SYNC, 3, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_IDAM_SYNC, 3, i, rs, limit);
if (write_data)
{
d86f[drive].calc_crc.word = 0xffff;
d86f_memset(d86f[drive].track_data[side] + i, 0xA1, 3, i, rs);
d86f_memset(d86f[drive].track_data[side] + i, 0xA1, 3, i, rs, limit);
d86f_calccrc_buf(drive, am, 3);
}
i += 3;
if ((i >= rs) && limit) return 0;
i %= rs;
}
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_IDAM, 1, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_IDAM, 1, i, rs, limit);
if (write_data)
{
if (!mfm) d86f[drive].calc_crc.word = 0xffff;
d86f_memset(d86f[drive].track_data[side] + i, 0xFE, 1, i, rs);
d86f_memset(d86f[drive].track_data[side] + i, 0xFE, 1, i, rs, limit);
d86f_calccrc(drive, 0xFE);
}
i++;
if ((i >= rs) && limit) return 0;
i %= rs;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_ID, 4, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_ID, 4, i, rs, limit);
if (write_data)
{
d86f_memcpy(d86f[drive].track_data[side] + i, id_buf, 4, i, rs);
d86f_memcpy(d86f[drive].track_data[side] + i, id_buf, 4, i, rs, limit);
d86f_calccrc_buf(drive, id_buf, 4);
// if ((id_buf[0] == 4) && (id_buf[1] == 0) && (id_buf[2] == 19) && (id_buf[3] == 2)) pclog("Prepare (%i %i %i %i): ID CRC %04X\n", id_buf[0], id_buf[1], id_buf[2], id_buf[3], d86f[drive].calc_crc);
}
i += 4;
if ((i >= rs) && limit) return 0;
i %= rs;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_ID_CRC, 2, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_ID_CRC, 2, i, rs, limit);
if (write_data)
{
d86f[drive].track_data[side][i] = d86f[drive].calc_crc.bytes[1];
d86f[drive].track_data[side][(i + 1) % rs] = d86f[drive].calc_crc.bytes[0];
}
i += 2;
if ((i >= rs) && limit) return 0;
i %= rs;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_GAP2, real_gap2_len, i, rs);
if (write_data) d86f_memset(d86f[drive].track_data[side] + i, mfm ? 0x4E : 0xFF, real_gap2_len, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_GAP2, real_gap2_len, i, rs, limit);
if (write_data) d86f_memset(d86f[drive].track_data[side] + i, mfm ? 0x4E : 0xFF, real_gap2_len, i, rs, limit);
i += real_gap2_len;
if ((i >= rs) && limit) return 0;
i %= rs;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATA_SYNC, sync_len, i, rs);
if (write_data) d86f_memset(d86f[drive].track_data[side] + i, 0, sync_len, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATA_SYNC, sync_len, i, rs, limit);
if (write_data) d86f_memset(d86f[drive].track_data[side] + i, 0, sync_len, i, rs, limit);
i += sync_len;
if ((i >= rs) && limit) return 0;
i %= rs;
if (mfm)
{
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATAAM_SYNC, 3, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATAAM_SYNC, 3, i, rs, limit);
if (write_data)
{
d86f[drive].calc_crc.word = 0xffff;
d86f_memset(d86f[drive].track_data[side] + i, 0xA1, 3, i, rs);
d86f_memset(d86f[drive].track_data[side] + i, 0xA1, 3, i, rs, limit);
d86f_calccrc_buf(drive, am, 3);
}
i += 3;
if ((i >= rs) && limit) return 0;
i %= rs;
}
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATAAM, 1, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATAAM, 1, i, rs, limit);
if (write_data)
{
if (!mfm) d86f[drive].calc_crc.word = 0xffff;
d86f_memset(d86f[drive].track_data[side] + i, 0xFB, 1, i, rs);
d86f_memset(d86f[drive].track_data[side] + i, 0xFB, 1, i, rs, limit);
d86f_calccrc(drive, 0xFB);
}
i++;
if ((i >= rs) && limit) return 0;
i %= rs;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATA, data_len, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATA, data_len, i, rs, limit);
if (write_data)
{
d86f_memcpy(d86f[drive].track_data[side] + i, data_buf, data_len, i, rs);
d86f_memcpy(d86f[drive].track_data[side] + i, data_buf, data_len, i, rs, limit);
d86f_calccrc_buf(drive, data_buf, data_len);
// if ((id_buf[0] == 4) && (id_buf[1] == 0) && (id_buf[2] == 19) && (id_buf[3] == 2)) pclog("Prepare (%i %i %i %i): Data CRC %04X\n", id_buf[0], id_buf[1], id_buf[2], id_buf[3], d86f[drive].calc_crc);
}
i += data_len;
if ((i >= rs) && limit) return 0;
i %= rs;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATA_CRC, 2, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_DATA_CRC, 2, i, rs, limit);
if (write_data)
{
d86f[drive].track_data[side][i] = d86f[drive].calc_crc.bytes[1];
d86f[drive].track_data[side][(i + 1) % rs] = d86f[drive].calc_crc.bytes[0];
}
i += 2;
if ((i >= rs) && limit) return 0;
i %= rs;
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_GAP3, real_gap3_len, i, rs);
d86f_memset(d86f[drive].track_data[side] + i, mfm ? 0x4E : 0xFF, real_gap3_len, i, rs);
d86f_memset(d86f[drive].track_layout[side] + i, BYTE_GAP3, real_gap3_len, i, rs, limit);
d86f_memset(d86f[drive].track_data[side] + i, mfm ? 0x4E : 0xFF, real_gap3_len, i, rs, limit);
i += real_gap3_len;
if ((i >= rs) && limit) return 0;
i %= rs;
return i;
@@ -1142,7 +1154,8 @@ void d86f_prepare_track_layout(int drive, int side)
for (j = 0; j < sc; j++)
{
i = d86f_prepare_sector(drive, side, i, NULL, NULL, dtl, 0, real_gap2_len, real_gap3_len);
/* Always limit to prevent wraparounds when formatting! */
i = d86f_prepare_sector(drive, side, i, NULL, NULL, dtl, 0, real_gap2_len, real_gap3_len, 1);
}
}
@@ -1452,7 +1465,7 @@ int d86f_poll_check_notfound(int drive)
/* The index hole has been hit twice and we're still in a find state.
This means sector finding has failed for whatever reason.
Abort with sector not found and set state to idle. */
pclog("d86f_poll(): Sector not found (%i %i %i %i) (%i, %i)\n", d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, fdc_get_bitcell_period(), d86f_get_bitcell_period(drive));
// pclog("d86f_poll(): Sector not found (%i %i %i %i) (%i, %i)\n", d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, fdc_get_bitcell_period(), d86f_get_bitcell_period(drive));
fdc_notfound();
d86f[drive].state = STATE_IDLE;
d86f[drive].index_count = 0;
@@ -1479,6 +1492,13 @@ void d86f_poll_write(int drive, int side, uint8_t data, uint8_t type)
if (!d86f[drive].track_pos && d86f_mark_index_hole(drive)) d86f[drive].track_layout[side][d86f[drive].track_pos] |= BYTE_INDEX_HOLE;
}
void d86f_poll_fill(int drive, int side)
{
d86f_handler[drive].write_data(drive, side, d86f[drive].id_pos, d86f[drive].fill);
d86f_calccrc(drive, d86f[drive].fill);
if (d86f[drive].calc_crc.word == 0xDC25) pclog("d86f_poll_fill(): CRC is DC25!\n"
}
void d86f_set_sector(int drive, int side, uint8_t c, uint8_t h, uint8_t r, uint8_t n)
{
return;
@@ -1555,10 +1575,9 @@ void d86f_poll_readwrite(int drive, int side)
d86f_poll_reset(drive, side);
if ((d86f[drive].track_crc.word != d86f[drive].calc_crc.word) && d86f_handler[drive].check_crc)
{
pclog("d86f_poll(): Data CRC error (%i %i %i %i) (%04X %04X)\n", d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, d86f[drive].track_crc.word, d86f[drive].calc_crc.word);
// pclog("d86f_poll(): Data CRC error (%i %i %i %i) (%04X %04X)\n", d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, d86f[drive].track_crc.word, d86f[drive].calc_crc.word);
fdc_finishread();
fdc_datacrcerror();
fatal("Deliberate fatal\n");
}
else
{
@@ -1745,7 +1764,7 @@ void d86f_poll_find_nf(int drive, int side)
{
if (d86f[drive].state != STATE_READ_FIND_ADDRESS)
{
pclog("d86f_poll(): Header CRC error (mfm=%i) (%i %i %i %i) (%04X %04X)\n", d86f_is_mfm(drive), d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, d86f[drive].track_crc.word, d86f[drive].calc_crc.word);
// pclog("d86f_poll(): Header CRC error (mfm=%i) (%i %i %i %i) (%04X %04X)\n", d86f_is_mfm(drive), d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, d86f[drive].track_crc.word, d86f[drive].calc_crc.word);
fdc_finishread();
fdc_headercrcerror();
d86f[drive].state = STATE_IDLE;
@@ -1754,7 +1773,7 @@ void d86f_poll_find_nf(int drive, int side)
}
else
{
pclog("d86f_poll(): Header CRC error at read sector ID (mfm=%i) (%i %i %i %i) (%04X %04X)\n", d86f_is_mfm(drive), d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, d86f[drive].track_crc.word, d86f[drive].calc_crc.word);
// pclog("d86f_poll(): Header CRC error at read sector ID (mfm=%i) (%i %i %i %i) (%04X %04X)\n", d86f_is_mfm(drive), d86f[drive].req_sector.id.c, d86f[drive].req_sector.id.h, d86f[drive].req_sector.id.r, d86f[drive].req_sector.id.n, d86f[drive].track_crc.word, d86f[drive].calc_crc.word);
}
}
else
@@ -1918,9 +1937,13 @@ void d86f_poll_format(int drive, int side)
d86f[drive].id_pos = d86f_get_pos(drive);
if (!disable_write)
{
d86f_handler[drive].write_data(drive, side, d86f[drive].id_pos, d86f[drive].fill);
// d86f_handler[drive].write_data(drive, side, d86f[drive].id_pos, d86f[drive].fill);
d86f_poll_fill(drive, side);
}
else
{
d86f_calccrc(drive, d86f[drive].track_data_byte);
}
d86f_calccrc(drive, d86f[drive].track_data_byte);
break;
case BYTE_ID_CRC:
case BYTE_DATA_CRC:
@@ -1932,7 +1955,8 @@ void d86f_poll_format(int drive, int side)
if (d86f[drive].track_index)
{
// pclog("Index hole hit again, format finished\n");
pclog("Track position %08X\n", d86f[drive].track_pos);
pclog("Index hole hit again, format finished\n");
d86f[drive].state = STATE_IDLE;
if (!disable_write) d86f_handler[drive].writeback(drive);
fdc_sector_finishread(drive);