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author | AJR <ajrhacker@users.noreply.github.com> | 2019-10-15 02:09:30 -0400 |
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committer | AJR <ajrhacker@users.noreply.github.com> | 2019-10-15 02:09:30 -0400 |
commit | d9905f3d0314dcde2017d7b6b6840d08cd2b89f1 (patch) | |
tree | 84d15ac035d4bfd1028bfceec88c63da954bc7cf /src/devices/video | |
parent | 0a72dcb2e09e1d544499b32221443d3752208a82 (diff) |
sed1330: Calculate frame rate for LCD screen (nw)
pc8401a: Derive clocks from XTAL (might well be different for pc8500, so not used there) (nw)
Diffstat (limited to 'src/devices/video')
-rw-r--r-- | src/devices/video/sed1330.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/devices/video/sed1330.cpp b/src/devices/video/sed1330.cpp index 862c0ba675b..40027444684 100644 --- a/src/devices/video/sed1330.cpp +++ b/src/devices/video/sed1330.cpp @@ -8,6 +8,7 @@ #include "emu.h" #include "sed1330.h" +#include "screen.h" //#define VERBOSE 1 #include "logmacro.h" @@ -383,6 +384,12 @@ WRITE8_MEMBER( sed1330_device::data_w ) case 5: m_lf = data + 1; LOG("SED1330 Frame Height: %u\n", m_lf); + if (clock() != 0) + { + attotime fr = clocks_to_attotime(m_tcr * m_lf * 9); + screen().configure(m_tcr * m_fx, m_lf, screen().visible_area(), fr.as_attoseconds()); + LOG("SED1330 Frame Rate: %.1f Hz\n", fr.as_hz()); + } break; case 6: |