mirror of
https://github.com/MiSTer-devel/ao486_MiSTer.git
synced 2026-05-24 03:04:49 +00:00
22 lines
915 B
Tcl
22 lines
915 B
Tcl
derive_pll_clocks
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derive_clock_uncertainty
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set clk_sys {*|pll|pll_inst|altera_pll_i|*[0].*|divclk}
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set clk_uart {*|pll|pll_inst|altera_pll_i|*[1].*|divclk}
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set clk_opl {*|pll|pll_inst|altera_pll_i|*[2].*|divclk}
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set clk_vga {*|pll|pll_inst|altera_pll_i|*[3].*|divclk}
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set_false_path -from [get_clocks $clk_sys] -to [get_clocks $clk_vga]
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set_false_path -from [get_clocks $clk_vga] -to [get_clocks $clk_sys]
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set_false_path -from [get_clocks $clk_sys] -to [get_clocks $clk_opl]
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set_false_path -from [get_clocks $clk_opl] -to [get_clocks $clk_sys]
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set_false_path -from [get_clocks $clk_sys] -to [get_clocks $clk_uart]
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set_false_path -from [get_clocks $clk_uart] -to [get_clocks $clk_sys]
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set_multicycle_path -from {emu:emu|cpu_reset*} -setup 2
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set_multicycle_path -from {emu:emu|cpu_reset*} -hold 1
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set_multicycle_path -from {emu:emu|sys_reset*} -setup 2
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set_multicycle_path -from {emu:emu|sys_reset*} -hold 1
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