diff options
Diffstat (limited to 'src/emu/video/m50458.c')
| -rw-r--r-- | src/emu/video/m50458.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/emu/video/m50458.c b/src/emu/video/m50458.c index 4880d5f9734..2f0b66e2f00 100644 --- a/src/emu/video/m50458.c +++ b/src/emu/video/m50458.c @@ -1,16 +1,16 @@ /*************************************************************************** - Mitsubishi M50458 OSD chip + Mitsubishi M50458 OSD chip - device by Angelo Salese + device by Angelo Salese - TODO: - - vertical scrolling needs references (might work differently and/or in - "worse" ways, the one currently implemented guesses that the screen is - masked at the top and the end when in scrolling mode). - - Understand what the "vertical start position" really does (vblank?) - - Check if the ROM source is actually 2bpp once that a redump is made - (the shadow ROM copy doesn't convince me 100%); + TODO: + - vertical scrolling needs references (might work differently and/or in + "worse" ways, the one currently implemented guesses that the screen is + masked at the top and the end when in scrolling mode). + - Understand what the "vertical start position" really does (vblank?) + - Check if the ROM source is actually 2bpp once that a redump is made + (the shadow ROM copy doesn't convince me 100%); ***************************************************************************/ @@ -46,7 +46,7 @@ ROM_END WRITE16_MEMBER( m50458_device::vreg_120_w) { -// printf("%04x\n",data); +// printf("%04x\n",data); } WRITE16_MEMBER( m50458_device::vreg_121_w) @@ -85,7 +85,7 @@ WRITE16_MEMBER( m50458_device::vreg_123_w) /* char part of vertical scrolling */ m_scrr = (data & 0x0f00) >> 8; -// printf("%02x %02x %02x\n",m_scrr,m_scrf,m_space); +// printf("%02x %02x %02x\n",m_scrr,m_scrf,m_space); } WRITE16_MEMBER( m50458_device::vreg_124_w) |
