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ceres: avoid crash when missing hard disk

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This commit is contained in:
Patrick Mackinlay 2020-11-24 08:31:36 +07:00
parent 129b5b3382
commit f30e346523
1 changed files with 4 additions and 2 deletions
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6
src/mame/drivers/ceres.cpp
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@ -200,13 +200,15 @@ void ceres1_state::wfc_command(u8 command)
case 2:
LOG("read sector drive %d chs %d,%d,%d count %d\n",
(m_wfc_sdh >> 3) & 3, m_wfc_cylinder & 0x3ff, (m_wfc_sdh >> 0) & 7, m_wfc_sector, m_wfc_count);
hard_disk_read(hdf, get_lbasector(hdf), m_wfc_sram);
if (hdf)
hard_disk_read(hdf, get_lbasector(hdf), m_wfc_sram);
m_wfc_offset = 0;
break;
case 3:
LOG("write sector drive %d chs %d,%d,%d count %d\n",
(m_wfc_sdh >> 3) & 3, m_wfc_cylinder & 0x3ff, (m_wfc_sdh >> 0) & 7, m_wfc_sector, m_wfc_count);
hard_disk_write(hdf, get_lbasector(hdf), m_wfc_sram);
if (hdf)
hard_disk_write(hdf, get_lbasector(hdf), m_wfc_sram);
m_wfc_offset = 0;
break;
case 4: