From ece6be80eb9babadb08cc0db7f72d8ccd714f9cb Mon Sep 17 00:00:00 2001 From: Nicolas PLANEL Date: Fri, 6 Oct 2017 23:45:47 +1100 Subject: mc68901 : fix TCDCR register bits 6-4 are used for timer C bits 2-0 are used for timer D https://www.nxp.com/docs/en/reference-manual/MC68901UM.pdf page 43 Signed-off-by: Nicolas PLANEL --- src/devices/machine/mc68901.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/devices/machine/mc68901.cpp b/src/devices/machine/mc68901.cpp index bf51e8820a3..8da39d3a4bd 100644 --- a/src/devices/machine/mc68901.cpp +++ b/src/devices/machine/mc68901.cpp @@ -789,7 +789,7 @@ void mc68901_device::register_w(offs_t offset, uint8_t data) break; case REGISTER_TCDCR: - m_tcdcr = data & 0x6f; + m_tcdcr = data & 0x77; switch (m_tcdcr & 0x07) { -- cgit v1.2.3