diff options
Diffstat (limited to 'src/mame/drivers/lwriter.cpp')
-rw-r--r-- | src/mame/drivers/lwriter.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/lwriter.cpp b/src/mame/drivers/lwriter.cpp index 788ee3bf7d4..011c080831c 100644 --- a/src/mame/drivers/lwriter.cpp +++ b/src/mame/drivers/lwriter.cpp @@ -347,8 +347,8 @@ WRITE_LINE_MEMBER(lwriter_state::scc_int) m_via->write_ca1(state); }*/ -#define CPU_CLK (XTAL_22_3210MHz / 2) // Based on pictures form here: http://picclick.co.uk/Apple-Postscript-LaserWriter-IINT-Printer-640-4105-M6009-Mainboard-282160713108.html#&gid=1&pid=7 -#define RXC_CLK ((CPU_CLK - (87 * 16 * 70)) / 3) // Tuned to get 9600 baud according to manual, needs rework based on real hardware +#define CPU_CLK (XTAL(22'321'000) / 2) // Based on pictures form here: http://picclick.co.uk/Apple-Postscript-LaserWriter-IINT-Printer-640-4105-M6009-Mainboard-282160713108.html#&gid=1&pid=7 +#define RXC_CLK ((CPU_CLK.value() - (87 * 16 * 70)) / 3) // Tuned to get 9600 baud according to manual, needs rework based on real hardware MACHINE_CONFIG_START(lwriter_state::lwriter) MCFG_CPU_ADD("maincpu", M68000, CPU_CLK) |