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author | Vas Crabb <vas@vastheman.com> | 2017-02-09 10:49:06 +1100 |
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committer | Vas Crabb <vas@vastheman.com> | 2017-02-09 10:49:06 +1100 |
commit | 90f0107cb1ae04e6cf126a453a9d58500623b015 (patch) | |
tree | 86cdde2ba740c90e58948272db13915c54942acf /src | |
parent | 8b3e9f37ac831d1d61a448557d0c0296de18712c (diff) |
another comment (nw)
Diffstat (limited to 'src')
-rw-r--r-- | src/mame/drivers/osborne1.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mame/drivers/osborne1.cpp b/src/mame/drivers/osborne1.cpp index 27128b98927..87fe3842ecd 100644 --- a/src/mame/drivers/osborne1.cpp +++ b/src/mame/drivers/osborne1.cpp @@ -72,8 +72,9 @@ character generator ROM, so the mainboard's character generator ROM doesn't need to be moved. However, it doesn't behave like the SCREEN-PAC. It uses a Synertek SY6545-1 with its pixel clock derived from a 12.288MHz crystal mapped at 0x04/0x05 in I/O space. It runs at 640x240 (80x24) at just below -60Hz. We don't know how video RAM contention on video RAM is handled, how -scrolling works, or whether the CRTC can generate VBL interrupts. +60Hz and doesn't allow resolution switching. We don't know how video RAM +contention on video RAM is handled, or whether the CRTC can generate VBL +interrupts. TODO: |