diff options
Diffstat (limited to 'src/devices/bus/vic20/videopak.cpp')
| -rw-r--r-- | src/devices/bus/vic20/videopak.cpp | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/devices/bus/vic20/videopak.cpp b/src/devices/bus/vic20/videopak.cpp index 392b306eea7..f8caf7f5823 100644 --- a/src/devices/bus/vic20/videopak.cpp +++ b/src/devices/bus/vic20/videopak.cpp @@ -170,14 +170,12 @@ uint8_t vic20_video_pak_device::vic20_cd_r(address_space &space, offs_t offset, if (!blk1) { offs_t addr = m_bank_msb << 15 | m_bank_lsb << 14 | offset; - data = m_ram[addr]; } if (!blk2) { offs_t addr = m_bank_msb << 15 | m_bank_lsb << 14 | 0x2000 | offset; - data = m_ram[addr]; } } @@ -186,21 +184,18 @@ uint8_t vic20_video_pak_device::vic20_cd_r(address_space &space, offs_t offset, if (!blk1) { offs_t addr = m_bank_msb << 15 | offset; - data = m_ram[addr]; } if (!blk2) { offs_t addr = m_bank_msb << 15 | 0x2000 | offset; - data = m_ram[addr]; } if (!blk3) { offs_t addr = m_bank_msb << 15 | 0x4000 | offset; - data = m_ram[addr]; } } @@ -211,7 +206,8 @@ uint8_t vic20_video_pak_device::vic20_cd_r(address_space &space, offs_t offset, switch ((offset >> 11) & 0x03) { case 0: - data = m_blk5[offset & 0x7ff]; + if (m_blk5) + data = m_blk5[offset & 0x7ff]; break; case 3: |